Sony Watchman FDL-250T User manual

SERVICE MANUAL
MODEL COMMANDER DEST. CHASSIS NO.
–––––– –––––––––––– ––––– ––––––––––– MODEL COMMANDER DEST. CHASSIS NO. –––––– –––––––––––– ––––– –––––––––––
MICROFILM
∗Please file according to model size. .......
FDL-250T US
2.5
LCD COLOR TV

– 2 –
FDL-250T
SPECIFICATIONS
TV standard American TV standard/NTSC
Channel coverage VHF : 2-13
UHF : 14-69
Antenna VHF/UHF strap antenna
Display format Transmissive type TN liquid cryatal
panel
Drive format TFT/active matrix
Picture 2.5 inches measured diagonally
Viewable image size 49 x 36.5mm (17/8 x 1 7/16 in.)(wh)
Input Audio/video : minijack
Audio : 500mVrms, 47kΩ
Video : 1 Vp-p, 75-ohms, unbalanced,
sync negative
Antenna : VHF/UHF 75Ω(minijack)
Output Headphones : minijack (mono)
Impedance 8-45 ohms
Power requirements 4.5 V DC
AC power adaptor compatible (not
supplied)
Power consumtion Approx. 2.8W
Speaker Ø28mm (1 1/8in.), 0.1W
Temperature range 32˚F-104˚F (0˚C-40˚C)
Dimensions Closed : Approx. 90 x 109 x 71.7mm
(3 9/16 x 4 5/16 x 2 13/16 in.)(w/h/d)
Fully opened :
Approx. 90 x 194 x 71.7mm
(3 9/16 x 7 3/4x 2 13/16 in.)(w/h/d)
excl. projecting parts and controls
Strap length Approx. 1,300mm (51 1/4 in.)
Mass Approx. 360g (12.7oz), excl. batteries
Supplied accessories Strap adjuster
This instruction manual
Warranty
Customer Inquiry Card
Important Safeguards
Optional accessories AC power adaptor AC-E45HG
Size AA (LR6) alkaline batteries
Design and specifications are subject to change without notice.
TABLE OF CONTENTS
Section Title Page
1. GENERAL
Power Sources (see fig. A) ...................................................... 3
Operation (see fig. B) .............................................................. 3
External Antenna Connection (see fig. C)............................... 3
Using with Video Equipment (see fig. D) ............................... 4
Precsutions .............................................................................. 4
Troubleshooting ...................................................................... 4
WARNING .............................................................................. 4
2. DISASSEMBLY
2-1. Case,A board and H board Removal ............................ 5
2-2. LCD Case and B board Removal ................................. 5
2-3. Service Position ............................................................ 5
3. CIRCUIT ADJUSTMENTS ............................................ 6
4. DIAGRAMS
4-1.Block diagram .................................................................. 8
4-2.Circuit Boards Location ................................................. 11
4-3.Printed Wiring Boards and Schematic Diagrams ........... 11
• A Board ....................................................................... 12
• B Board ....................................................................... 16
• H Board ....................................................................... 20
4-4.Semiconductors .............................................................. 21
5. EXPLODED VIEWS
5-1. Chassis Section .............................................................. 22
6. ELECTRICAL PARTS LIST ........................................ 23
(CAUTION)
SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE AN-
ODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR CARBON PAINT-
ED ON THE CRT, AFTER REMOVING THE ANODE.
WARNING!!
AN ISOLATION TRANSFORMER SHOULD BE USED DURING ANY SER-
VICE TOAVOID POSSIBLE SHOCK HAZARD, BECAUSE OF LIVE CHAS-
SIS.
THE CHASSIS OF THIS RECElVER IS DIRECTLY CONNECTED TO THE
AC POWER LINE.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK ! ON THE SCHE-
MATIC DIAGRAMS, EXPLODED VIEWS AND IN THE PARTS LIST ARE
CRITICAL TO SAFE OPERATION. REPLACE THESECOMPONENTS
WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN
THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. CIRCUIT
ADJUSTMENTS THAT ARE CRITICAL TO SAFEOPERATION ARE IDEN-
TIFIED IN THIS MANUAL. FOLLOW THESE PROCEDURES WHENEV-
ER CRITICAL COMPONENTSARE REPLACED OR IMPROPER OPERA-
TION IS SUSPECTED.

– 3 –
SECTION 1
GENERAL
The operating instructions mentioned here are partial abstracts from the
Operating Instructions Manual. The page numbers of the Operating
Instruction Manual remain as in the manual. (Part no : 3-867-899-11)
A
b
1
English
Power Sources (see fig. A)
Alkaline Batteries
Use three Sony LR6 alkaline batteries (not supplied).
1Open the display and sunshade.
2Push and slide the battery cover open.
3Insert three batteries. Be sure to insert the (-) polarity of each battery first as illustrated.
Battery Life: With continuous use, Sony LR6 alkaline batteries will last about 3.0 hours.
BatteryType Size Battery Life
LR6 AA Approx. 3.0 hours
Notes
• When the picture becomes dim or the tuning does not lock onto a channel, replace all the
batteries with new ones.
• Switch off the TV and remove the batteries from the unit if the TV will not be used for a
long period of time to avoid battery leakage. Also, be sure to remove dead batteries from the
unit.
House Current
See fig. A-2.
Note
Use only the recommended Sony AC power adaptor, AC-E45HG (not supplied).
(For the polarity of the plug, see fig. A-3)
Operation (see fig. B)
1Open the display and sunshade.
2Set the OFF/VHF/UHF switch to VHF or UHF, according to the band you want to watch.
3Press the CH +/- button to select a channel.
4Adjust the volume with the VOL dial.
5Adjust the brightness with the BRT dial.
To switch off the TV: Set the OFF/VHF/UHF
switch to OFF.
To improve the broadcast reception: Extend the strap antenna and adjust the unit’s
orientation until reception is optimal.
Notes
• Grasp the unit as shown in fig. B-1so that your fingers are not pinched when opening the
display and sunshade.
• You can open the display and sunshade to about 190°. Do not force it open further.
There may be poor broadcast reception in the following areas:
• Faraway from the broadcasting station, or behind a mountain or tall building.
• Inside a train or car, etc.
• Where there is strong interference, such as near a high tension wire, neon sign, or radio
station.
• Near a railway line or expressway, or under air traffic routes.
• In underground shopping centers, tunnels, or solid buildings.
Listening with headphones: Connect headphones (not supplied) to the i(headphones)
jack. The sound is heard from both sides of the headphones, but the sound is monaural.
How to use theTV
First, place the adjuster on the strap as shown on the left, then adjust to a confortable position
and wear the TV around your neck. You can adjust the length of the strap. (See fig. B-2)
You can also place the TV on a flat surface using the supplied adjuster as a tilt stand.Attach the
adjuster to the rear of the unit. (See fig. B-3)
External Antenna Connection (see fig. C)
Connect a 75 Ωexternal antenna cable (not supplied) to the TV. This will improve the TV’s
reception.
AA (LR6)
×3
2
3
to a wall outlet
Polarity of the plug
B
1
2
3
C
A/V IN
i
CH +/-
OFF/VHF/UHF
BRT
VOL
EXT ANT
1Indoor antenna
275 Ωexternal antenna cable (not supplied)
1
2
To EXT ANT

– 4 –
DUsing withVideo Equipment (see fig. D)
Connect video equipment (such as VCR or camcorder) to the unit using an audio/video cable
(miniplug yphono plug) (not supplied).
When you connect an audio/video cable to the unit, the unit automatically selects the input only
from the video equipment.
After connecting, start playback on the video equipment connected to the unit.
About the A/V IN jack
The A/V IN jack is a minijack, and the signal connections are aligned as shown on the left. This
alignment may be opposite depending on the equipment.
In such case (if no sound is heard and no picture is seen), connect the video plug to the audio
output jack, and the audio plug to the video output jack of the equipment.
To A/V IN
Camcorder
VCR
To video output
To audio output AUDIO
VIDEO
EnglishEnglish
Precautions
• Use the recommended Sony AC power adaptor,
AC-E45HG (not supplied). Do not use any other type of
AC power adaptors for this unit.
• Do not open the unit. Refer servicing to qualified
personnel only.
• Do not place the unit in a hot or humid place, or in a place
subject to excessive dust or vibration.
• Avoid rough handling.
• Clean the unit with a soft cloth slightly dampened with a
mild detergent solution. Never use strong solvents, such as
thinner or benzine, as they may damage the finish.
• Do not touch the AC power adaptor with wet hands. Doing
so may cause an electric shock.
• Do not touch the external antenna cord or AC power
adaptor during stormy weather. Doing so may result in an
electric shock.
• Do not use while driving, walking or engaging in any
activity where full attention is required.
• Keep out of reach of children. Strap antenna could cause
strangulation.
• When opening the display, be careful not to pinch your
fingers in the hinge. Also, be careful that the sunshade
does not close on your fingers while viewing.
Troubleshooting
Before you contact your nearest Sony dealer or authorized
service center, refer to the following troubleshooting guide.
No picture, no sound
• The AC power adaptor is disconnected.
• Incorrect battery polarity.
• Weak batteries. Replace all the batteries with new ones.
• The external antenna is disconnected.
• The video equipment is not connected properly.
Good picture, no sound
• Turn the VOL dial to the + direction.
• The headphones are connected.
• Weak batteries. Replace all the batteries with new ones.
• The video equipment is not connected properly.
Good sound, no picture
• Weak batteries. Replace all the batteries with new ones.
• Increase the brightness by turning the BRT dial toward the
+ direction.
• The video equipment is not connected properly.
Snowy or indistinct picture
• Improper tuning.
• Extend the strap antenna fully.
• Adjust the strap antenna direction.
• Connect an external antenna (not supplied).
Dotted lines or stripes
Often caused by interference from other electrical appliances
such as a hair dryer, car, or motorcycle.
• Relocate the strap antenna away from the source of
interference.
• Extend the strap antenna fully.
• Connect an external antenna (not supplied).
WARNING
To prevent fire or shock hazard, do not expose the unit to
rain or moisture.
This symbol is intended to alert the user to the
presence of uninsulated “dangerous voltage” within the
product’s enclosure that may be of sufficient magnitude
to constitute a risk of electric shock to persons.
This symbol is intended to alert the user to the
presence of important operating and maintenance
(servicing) instructions in the literature accompanying
the appliance.
CAUTION
This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including
interference that may cause undesired operation.
You are cautioned that any changes or modifications not expressly
approved in this manual could void your authority to operate this
equipment.
Owner's Record
The model and serial numbers are located at the front side. Record the
serial number in the space provided below. Refer to these numbers
whenever you call upon your Sony dealer regarding this product.
Model No. FDL-250T Serial No.

– 6 – – 7 –
– 5 –
SECTION 3
CIRCUIT ADJUSTMENTS
SECTION 2
DISASSEMBLY
2-1. CASE, A BOARD AND H BOARD REMOVAL 2-2. LCD CASE AND B BOARD REMOVAL
2-3. SERVICE POSITION
2Three screws
(7-685-105-19)
3A board
4H board
1Battery cover
5Battery case (upper)
1Hinge collar
2LCD case (upper)
3LCD holder
4B board
Battery case (lower)
LCD case (lower)
Antenna
B board
Cord
AC power adaptor CN301
CN401
CN201
J101
J601
A board
[SETUP](A BOARD )
1. Apply a DC voltage of 4.5V±0.1V to the J601 terminal (DC
input jack) on the Aboard.
2. With S601 on the A board at UHF position, set the User Con-
trol RV-550(VOL) and RV-901(BRT) on the H board to their
mechanical centers.
[+5.0V ALIGNMENT (RV600)](A BOARD )
Using a digital voltmeter measuring the voltage between
JL09 (+5.0V) and JL87 (A.GND). Adjust RV600 to obtain
the value shown below.
StandardValue = 4.55V±0.02VDC
S601 position = UHF position
[+30.0V CHECK](A BOARD )
Check the voltage across JL07 (+30.0V) and JL87 (A.GND) .
StandardValue = 32.0V±2.0VDC
[+7.5V CHECK](A BOARD )
Check the voltage across JL08 (+7.5V) and JL87 (A.GND) .
StandardValue = 7.0V±0.3VDC
[-10.0V CHECK](A BOARD )
Check the voltage across JL10 (-10.0V) and JL87 (A.GND) .
StandardValue = -9.5V±0.6VDC
< A BOARD ALIGNMENT >
3-1.VIF.AFT ROUGH ALIGNMENT (T201,T202)
[SETUP]
1. Set S601 on the A board to VHF position.
2. Apply no signal to JL119 (RF).
3. Connect a 1 kΩresistor between JL09 (+5.0V) and
JL13 (RF AGC).
4. Apply a sweep signal across JL12 (IF) and JL14(IF GND).
(Fig. 3-1)
Note : Set the sweep signal for JL12 to -30±5dBm. Keep the
distance to the ATT output JL12 as short as possible.
Fig. 3-2
1. Connect an oscilloscope between JL86 (VIDEO) and JL87
(A.GND) and apply an external voltage (MGC) to JL26 to
obtain a waveform as shown in Fig. 3-2 (make sure not to
clip the extremely short portion).Adjust T202 so that the po-
sition at 45.75 MHz is the lowest point.
Note : Align JL26 (MGC) external voltage for approximately
a 1.0 Vp-p. Make sure that the JL26 (MGC) external
voltage does not exceed 4.3VDC.
2. Remove the external voltage (MGC) from JL26.
3. Connect an oscilloscope between JL02 (AFT) and JL01
(D.GND)andmake a rough adjustment ofT201 so that wave-
form is close to zero at the 45.75 Mhz position.
4.Remove the 1 kilohm resistor connectedbetween JL09 (+5.0V)
and JL13 (RF AGC).
Fig. 3-1
JL12
75Ω6dB
fo=45.75MHz±5kHz
SWEEP
MARKER
GENERATOR
0.01µF
ATT
10Vp-p
45.75MHz
0
RV600
RV002
RV001
RV201
RV004
RV003
J601
DC IN JACK
J601
EXT ANT
T201
T202
- A board - (Component side)
3-7.COLOR PHASE (TINT) ALIGNMENT (RV-308)
1. Receive the color bar signal from the signal generator.
2. Observe the waveform across JL422(VB) and JL407(GND).
3. Adjust RV308 (TINT) so that the waveform level resembles
that of Fig. 3-7.
3-6.CONTRAST ALIGNMENT (RV301)
1. Receive the stepped waveform signal in 10 steps.
2. Observe the waveform across JL421(VG) and JL407(GND).
3. Align RV301 (CONT) so that 100IRE section matches the
standard below. (Fig. 3-6)
3-5.V COM ALIGNMENT (RV302, RV306)
1. Adjust BRT VR (RV901) to1.740±0.005VDC, between
JL301(BRT) and JL307 (A.GND).
2. Observe the waveform across JL411 (V COM) and
JL407(GND).
3.Adjust RV302 (COMAMP) and RV306 (V COM DC) so that
the waveform resembles that in Fig. 3-5.
Note : The voltage at pin 37 (COMMON AMP) of IC302 shall
be a minimum of 1.8V.
3-3.RF. AGC ALIGNMENT (RV201)
1. Set S601 to VHF position and receive a VHF color bar signal
issued from a signal generator.
2. Adjust RV201 and align the screen for the optimal point so
that the snow noise disappears.
3-4.CHANNEL DiISPLAY POSITION ALIGNMENT
(RV001, RV002, RV004)
1. Set S601 to VHF position, a potentiometer (47kΩ±15kΩ)
across JL06(CS) and JL09 (+5.0 V) as shown in Fig. 2-6 and
short the points JL04(CH CAL) and JL01 (D.GND).
2. Receive channel 2 and align the channel display positions with
RV002(VP).
3. Receive channel 13 and align the display bar with RV004(VA).
4.Align while performing tracking to mutual interference in the
above steps 2 and 3.
5. Receive channels 3 & 4 and confirm that the display bar is
within the standards.
6. Set S601 to UHF.
7. Receive channel 14 and align the display position with
RV001(UP).
8. Receive channel 69 and confirm that the display bar is within
the standards. If not within standards, align with RV001 so it
is within standards.
Once again receive channel 14 and confirm that the display bar
is within the standards.
Note : Use caution since shifting channel 69 will also
cause channel 14 to shift.
9. Remove the potentiometer (47kΩ+15kΩ) you connected be-
tweenJL06(CS)and JL09(+5.0V).Also remove the short you
connectedbetween points JL04(CH CAL)and JL01(D.GND).
3-2.AFT FINE ADJUSTMENT (T201)
1. Connect a 1 kilohm resistor between JL09 (+5.0V) and JL13
(RF AGC).
Note : Perform this adjustment as the last step in the
process since drift may occur due to aging.
2. Switch the sweep signal to CW.
fo= 45.75 MHz±5 kHz, -30±5dBm
Apply the above signal between JL12 (IF) and JL14 (IF GND)
and then make a fine adjustment of T201 so that the level be-
tweenJL02 (AFT) andJL01(D.GND) reaches2.2V±0.4VDC.
3.Remove the 1 kilohm resistor connectedbetween JL09 (+5.0V)
and JL13 (RF AGC).
Align so the portion is parallel and linear.
10thstep
(101IRE)
3.0V±0.1Vp-p
5.0V±0.1Vp-p
-1.4V±0.1Vp-p
0V
JL06 (CS) JL09(+5.0V)
15kΩVR(47kΩ)
Fig. 3-5
Fig. 3-6
Fig. 3-7
Fig. 3-4
Display bar
Channel No.
6
*Channel No. and display
bar are to be in line.
< B BOARD ALIGNMENT >
RV302
RV308
RV301
RV306
- B board -
(Component side)
Fig. 3-4
H board

– 10 –
– 9 –– 8 –
4-1. BLOCK DIAGRAM
IF
TU101
TUNER
RV001
UP
RV002
VP
RV004
VA
F601
7
9
8
T601
J701
DC IN 4.5V
RF IN
AGC
HB
LB
TU
IF AMP
Q201 IF AMP
AGC
BS
COMPOSITION
28
INPUT
CONTROL
AUTO
RETURN
CHARGE/
DISCHARGE
BT
GENERATOR INITIAL
SET
DEFECT
OUT PUT
SIGNAL
DEFECT
COMPARATOR
3
PULSE WIDTH
SET
14
6
5
MUTE
Q203
10
MUTE
Q003,004
S001
CH -
S002
CH +
R OUT
IC302
Y/C/J
14
3
6
7
BUFFER
20
19
16
15
17
13
FM
DET
10
VIDEO
DET
LIMITER
VIDEO
AMP
18
AFT
4
21 22
23
SYNC
SEP
18
19
23
20
INITIAL
SET
30
31
BAR
OUT PUT
16
DC AMP
Q002 26
27
VOLTAGE
SELECT
Q001
BAND
SW
UB
MB
VH/VL SW
Q011
VH/VL SW
Q012
U/V SW
Q010
CF203
CF201
T201
CF202
19
BUFFER
Q304
RV301
CONT
G OUT 21
B OUT 24
CONTRAST 2
TINT 13
COMMON AMP 37
VCO OUT 16
VCO IN 14
PFRP
SYNC SEP
VIDEO IN
SW
R IN
COMMON OUT 38
RV308
TINT
RV302
COMP AMP
3
27
IC301
AMP
BRIGHT
G IN
SYNC IN
SYNC OUT
34
44
X301
3.58MHz
CK2A 18
FRP 33
COMMON FRP
STHR 14
CKV 16
CK1A 17
STHL 13
32
OEH 3
OEV 4
STV1 10
STV2 11
CK3A 19
Q1HA 8
INV/O 1
INV/I 2
LRA 40
UDC 37
17 VCC
16 VGH
15 VCOM
14 AVDD
13 STHR
12 L/R
10 VR
9VG
8VB
6CPH3
5CPH2
4CPH1
3Q1H
2OEH
1STHL
22 STVR
20 CKV
19 OEV
18 STVL
24 VGL
21 U/D
18
UNREG
17
UNREG
14
HP
12
30V
10
7.5V
9
5V
6
UHF
4
IND
2
-10V
1
BRT
7
VIDEO
5
VHF
INVERTER
Q302
HSY/O
VSY/I
SYNC SEP
Q401,402
Csync
NPD
OSC/O
OSC/I
+1
-3
4
O
IC403
LCD CONTROL
IC401
OSC
CN401
SW
Q306
SW
Q305
L401
T202
45.75MHz
10
AUDIO
4 AUDIO
2 BRT
15V
7
AUDIO
5 AUDIO
4
2
1
7
5
10
RV901
BRT
RV550
VOL
HEAD
PHONE
J550
CN550
CN202
(HEAD PHONE,BRT/VOL VR)
H
IC600
SWITCHING CONTROL
4
1
6
3
+30V
+5V
D603
D602
D601
D604
-10V
+7.5V
+5V
RV600
Vcc CONT
Q604,605
Vcc OUT
Q601
SW REG OUT
Q600
UN4.5V
+30V +5V
OSC
5
OUT
1-IN
3VCC
D605
UN4.5V
D607
7
L401
2
+5V AFT SW
Q006,007
4
BR/CTL CONT
Q602 UN4.5V
A/V IN
J801
V BUFFER
Q801
IND SW
Q005,008
15
FILTER
SWF201
UN4.5V
+7.5V
+5V
-10V
CN301
UN4.5V
+30V +7.5V
+5V
-10V
+30V
CN201
18
17
14
12
10
9
6
4
2
1
7
5
IC501
AUDIO AMP
6
OUTPUT
3-IN
2-IN
7
V+ UN4.5V
+5V
2 SP.GND
1SP
CN501
SPEAKER
D302
-10V
2
9
8
T701
1
3
5
OSC 2
Q702
4
OSC 1
Q701
OSC SW
Q703,704 UN4.5V
UN4.5V
+5V
FR701
CK2A
STHR
CKV
CK1A
STHL
OEH
OEV
STV1
STV2
CK3A
VGH REG
Q303
+30V
34
30
35
15
25
26
35
29
3
39
42
41
36
TUNING
CONTROL
RV201
RF AGC
AUDIO AMP
Q803
J101
EXT ANT
ANT
S601(1/2)
OFF/VHF/UHF
S601(2/2)
OFF/VHF/UHF
DRY
BETTERY
IC001
ELECTRONIC TUNING
IC201
VIF/SIF DET
RV306
VCOM DC
TO
MONITER
(LCD)
+5V
AB
(Y/C/J,LCD CONTROL)
(TUNER,ELECTRONIC TUNING,VIF,SIF,POWER)
+5V ADJ
V BUFFER
Q202

– 11 –
FDL-250T
4-2. CIRCUIT BOARDS LOCATION
4-3. PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS
Note:
• Capacitors without voltage indication are all 50V.
• All resistors are in ohms.
kΩ=1000Ω, MΩ=1000kΩ
• Indication of resistance, which dose not have one for rating electrical power, is
as follows.
Pitch : 5mm
Rating electrical power : 1/4 W
•: nonflammable resistor.
•: fusible resistor.
• : internal component.
•: panel designation and adjustment for repair.
• Allvariable and adjustableresistorshave characteristiccurveB, unless otherwise
noted.
•: earth-chassis.
• Astothevoltage volue shown by the semiconductors on the ShematicDiagram,
see the another list
• Readings are taken with a color-bar signal input.
• Readings are taken with a 10MΩdigital multimeter.
• Voltages are dc with respect to ground unless otherwise noted.
• Voltage variations may be noted due to normal production tolerances.
• All voltages are in V.
• Circled numbers are waveform references.
• : B+ bus.
• : B– bus.
• : signal path.
Reference information
RESISTOR : RN METAL FILM
: RC SOLID
: FPRD NONFLAMMABLE CARBON
: FUSE NONFLAMMABLE FUSIBLE
: RW NONFLAMMABLE WIREWOUND
: RS NONFLAMMABLE METAL OXIDE
: RB NONFLAMMABLE CEMENT
:ADJUSTMENT RESISTOR
COIL : LF-8L MICRO INDUCTOR
CAPACITOR : TA TANTALUM
: PS STYROL
: PP POLYPROPYLENE
: PT MYLAR
: MPS METALIZED POLYESTER
: MPP METALIZED POLYPROPYLENE
Note: The symbol display is on the component slde.
The components identified by shading and mark
are critical for safety. Replace only with part number
specified.
The symbol indicate fast operating fuse.
Replace only with fuse of same rating as maked.
: ALB BIPOLAR
: ALT HIGH TEMPERATURE
: ALR HIGH RIPPLE
B
H
A
G
D
S
B1 E1C2
B2 C1E2
2
3
4
5
6
7
8
9
0
!¡
!™
!¢
!§
!¶
!•
–
1
G
D
S
B2 E2C1
B1 C2E1
B2 E2C1
B1 C2E1
!ª
B1
E1
C2
B2
C1
E2
G
SS
D
G
D
B1
E1
C2
B2
C1
E2
Ver.1.6
Transistor
(FET)
Transistor
Transistor
Transistor
Transistor
Transistor
Discrete semiconductot
(Chip semiconductors that are not actually used are included.)
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Source
Source
Anode Anode
(NC)
(NC)
Cathode
Anode
Cathode
Common
Cathode Cathode
Common
Cathode Cathode
Common
Common
Common
Common
Cathode
Anode
Base Emitter
Collector
Base Emitter
Collector
Drain
Gate
Gate
Drain
Device Printed symbol Terminal name Circuit
Anode
Anode
Anode Cathode
Anode Anode
Cathode
!£
Transistor
(FET)
Transistor
(FET)
!∞
Emitter
Collector
Base
Transistor
Source
Gate
Drain
Cathode
Anode
Anode Cathode
Anode
Anode
Terminal name of semiconductors in silk screen
printed circuit (
* )

– 12 –
FDL-250T
ATUNER, ELECTRONIC TUNING,
VIF, SIF, POWER
[ ]
< Conductor Side >
< Component Side >
– A Board –
CN201
BRT
-10V
D.GND
IND
VHF
UHF
VIDEO
A.GND
5V
7.5V
A.GND
30V
D.GND
H.P
UNREG GND
UNREG GND
UNREG
UNREG
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
CN202
5V
BRT
GND
AUDIO
AUDIO
NC
AUDIO
NC
UNREG GND
AUDIO
1
2
3
4
5
6
7
8
9
10
BE
C
BE
B
B
E
E
C
C
C
B
BE
E
CB
E
E
C
C
B
E
B
B
E
E
C
C
C
B
E
C
B
E
C
CB
BE
EC
C
B
B
E
E
C
BE
C
EB
C
BE
C
DIODE *
UPPER LOWER
D001 B-3 9
D002 A-2 7
D003 B-2 3
D201 B-2 5
D202 C-3 3
D501 A-1 7
D600 B-1 3
D601 B-2 5
D602 B-2 5
D603 B-2 5
D604 B-2 5
D605 C-1 7
D606 A-1 3
D607 C-1 C-1 -
D609 B-1 3
TRANSISTOR *
UPPER LOWER
Q001 B-3 2
Q002 A-3 @º
Q003 B-2 2
Q004 B-2 2
Q005 B-2 3
Q006 A-2 2
Q007 A-2 2
Q008 B-2 2
Q010 B-3 !ª
Q011 B-3 !¶
Q012 B-3 2
Q201 B-3 2
Q202 C-3 2
Q203 A-3 3
Q600 A-2 3
Q601 A-1 2
Q602 C-2 2
Q604 C-1 2
Q605 C-1 2
Q801 B-2 2
Q803 B-3 2
IC
UPPER LOWER
IC001 A-3
IC201 C-3
IC501 C-1
IC600 C-2
VARIABLE RESISTOR
UPPER LOWER
RV001 B-3
RV002 B-3
RV003 B-3
RV004 B-3
RV201 B-3
RV601 B-1
A BOARD
UPPER : Component side
LOWER : Conductor side

1
A
B
C
D
E
F
G
H
I
212 13
11
10
98765
43
– 14 – – 15 –
– 13 –
Schematic diagram
B board /
D001
D501
J601
C219
C223
CF201
CF202
CF203
T201
T202
C011 C002
C004
C502 C505
TU101
RV201
RV002
RV004
S601
F601
CN501
C001
C205
C222
C237
D607
R012
R006
R003
R005
R011
R046 R047
R017
R018
R016
R014
R021
R029
R510
R218
R232
R219 R220
R233
R225
R222
R226
R223
R229
R224
R221
R243
R209
R228
R240
R241
R242
R501
R002
R216
R210 R208
C101
C003
C007
R015
C006
R013
C506
C235
C207
C208
C218
C507
R801
R803
R804
R805
R816
R808
R817
R824
C614
C610 C620
C613 C619
L605
C612 C618
L604 C616
C611 C617
C601
C602
C605
R601
R606
R020
R826
L201
L205
C005
C209
C210
C211
C212
C213
C215
C224
C226
C234
C236
C504
C802
C803
C805
C807
C804
D602
D603
D604
R008
R009
R004
R201
R608
C607
C203
C609
R807
C801
R007
CN201
R205
R202
C013
R022
C600
RV600
R215
R823
R818
R604
D600
R612
R600
C608
RV001
R809
R613
R614
D606
R609
R101
C008
R213
R001
R031
R607
D201
D202
D003
D002
D605
C615
S001
S002
D609
R615
R616
R605
SWF201
T601
C621
R810
C603
R212
R206 C204
R230 R231
C221
C220
C503
R813
C806
R023
C014
L606
R602
C604
D601
R820
R603
R010
CN202
R617
JL115 JL116
JL110
JL111
JL112
JL113
JL119
JL12 JL117
JL118
JL114
JL13
JL14
JL02
JL01
JL06 JL81
JL82
JL84
JL05
JL22
JL86
JL87
JL88
JL89
JL91
JL90
JL04
JL25
JL26
JL23
JL07
JL68
JL67
JL65
JL08
JL09
JL66
JL10
IC501
IC001
IC201
Q801
Q803
Q003
Q006
Q007
Q004
Q202
Q201
Q001
Q002
Q011
Q012
Q010
Q600
Q601
C012
C206
C225
Q203
L603
L602
L601
L600
J801
J101
Q005 Q008
IC600
Q602 Q604
Q605
0.47
25V
:TA-CP
0.47
25V
:TA-CP
TPS4.5MC
CDA4.5MC
SFSL4.5MDB
MA152WK-TX
MA157-TX
45.75MHZ
45.75MHZ
47
6.3V
:7L
47
6.3V
:7L
10
16V
:7L
100
6.3V
:7L 100
6.3V
:7L
1k
:CHIP
47k
:CHIP
100k
:CHIP
1A
4.7
25V
:7L
4.7
25V
:7L
10
16V
:7L
22
6.3V
:7L
2P
330k
1/16W
:CHIP
27k
1/16W
:CHIP
68k
1/16W
:CHIP
150k
1/16W
:CHIP
10k
1/16W
:CHIP
47k
1/16W
:CHIP
10k
1/16W
:CHIP
18k 1/16W :CHIP
100k
1/16W
:CHIP
39k
1/16W
:CHIP
39k
1/16W
:CHIP
100k 1/16W :CHIP
470
1/16W
:CHIP
1k
1/16W
:CHIP
100
1/16W
:CHIP
1k
1/16W
:CHIP
68
1/16W
:CHIP
1.2k
1/16W
:CHIP
390
1/16W
:CHIP 47
1/16W
:CHIP
1.2k
1/16W
:CHIP
4.7k
1/16W
:CHIP
5.6k
1/16W
:CHIP
3.3k
1/16W
:CHIP
1k
1/16W
:CHIP
8.2k
1/16W
:CHIP
1.5k
1/16W
:CHIP
1k 1/16W :CHIP
22k
1/16W
:CHIP
1.8k 1/16W :CHIP
10k
1/16W
:CHIP
10k
1/16W
:CHIP
180k
1/16W
:CHIP
470
1/16W
:CHIP
47k
1/16W
:CHIP
100k
1/16W
:CHIP
1.2k
1/16W
:CHIP
33k
1/16W
:CHIP 680
1/16W
:CHIP
560p
CH:1608
0.001 B:1608
10k
1/16W
:CHIP
0.1
25V
F:1608
56k
1/16W
:CHIP
0.1
25V
F:1608
0.001
B:1608
10p
CH:1608
2p
CK:1608
6.8
1/16W
:CHIP
0.01
F:1608 0.01
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608 0.1
25V
F:1608
100
6.3V
:7L
0.1
25V
F:1608
0.1
25V
F:1608
0.1
16V
B:1608
0.001
B:1608
0.01
F:1608
0.1
25V
F:1608
22k
1/16W
:CHIP
6.8k
1/16W
:CHIP
22k
1/16W
:CHIP
1k
1/16W
:CHIP
680
1/16W
:CHIP
22k
1/16W
:CHIP
47k
1/16W
:CHIP
:FR-CP
0.01
25V
B:1608
0.01 25V B:1608
0.01
25V
B:1608
47
6.3V
:7L
0.01
25V
B:1608
0.01 25V B:1608
0.01
25V
B:1608
0.01
25V
B:CHIP
0.01
25V
B:1608
0.01
25V
B:1608
0.01
25V
B:1608 0.01
25V
B:1608
0.01
25V
B:1608
10
16V
:7L
10
:7L
0.1
16V
B:1608
0.1
16V
B:1608
0.01
25V
B:1608
0.1
16V
B:1608
SB01-15CP
SB01-15CP
SB05-05CP
47k
1/16W
:CHIP
33k
1/16W
:RN-CP
680
1/16W
:CHIP
4.7
:CHIP
2.2
:CHIP
270k
1/16W
:RN-CP
10 16V :7L
0.1
25V
F:1608
:FR-CP
:FR-CP
47µH
100µH
:FR-CP
100 :CHIP
0.1 25V F:1608
56
1/16W
:CHIP
0
1/16W
:CHIP
100k
1/16W
:CHIP
270
1/16W
:CHIP
0.01
F:1608
0.47
16V
B:CHIP
47
16V
:7L
22
10V
:BP
18P
150
:CHIP
SOWA
68
:CHIP
47k
1/16W
:CHIP
150
1/16W
:CHIP
10k
1/16W
:CHIP
MA8360-TX
1k
1/16W
:CHIP
2.2k
1/16W
:CHIP
33
10V
:OS
11EQS04
470
:CHIP
47k
:CHIP
100k 1/16W :CHIP
150k
1/16W
:CHIP
47
:CHIP
8.2k
1/16W
:CHIP
68k
1/16W
:CHIP 150k
1/16W
:CHIP
22
:CHIP
0.1
25V
F:1608
1
10V
B:CHIP
MA157-TX
MA8240
MA157-TX
MA8240
MA157-TX
MA8043-M
10k
1/16W
:CHIP
10k
1/16W
:CHIP
MA8062-TX
10k
1/16W
:CHIP
2.2k
1/16W
:CHIP
2.2k
1/16W
:CHIP
100
1/16W
:CHIP
470
1/16W
:CHIP
3.9k
1/16W
:CHIP
0.01
B:1608
10 :CHIP 47 :CHIP
0.01
25V
B:1608
22
1/16W
:CHIP
0.01
25V
B:1608
47k
1/16W
:CHIP
0.1 25V F:1608
0.001
B:1608 0.001
B:1608
C201
560P
CH:1608
C202
560P
CH:1608
C229
560P
CH:1608
C228 560P
CH:1608
220
6.3V
:7L
0.01
25V
B:1608
SB05-05CP
0.0022
B:1608
C624
10V
B:1608
:FR-CP
47
1/16W
:CHIP
5.1k
1/16W
:CHIP
270k
1/16W
:CHIP
10
:CHIP
10P
:BTOB-
10k
1/16W
:CHIP
F1248
NJM2070M-TE2
AUDIO AMP
AN5707NFAP
ELECTRONIC
TUN
ING
M51348AFP
VIF/SHIF
DET
2SD1819A
V BUFFER
2SD1819A
AUDIO
AMP
UN5210-TX
MUTE
UN5210-TX
AFT SW
UN211D-TX
AFT SW
UN2110-TX
MUTE
2SB1218A
V BUFFER
2SC3837KT146Q
IF AMP
2SB1218A
VOLTAGE
SELECT
XP4601
DC AMP
XN4215-TW
VH/VL SW
UN5210-TX
VH/VL SW
XN1115-TX
U/V SW
2SD1119-Q
REG OUT
2SB1218A
110V B:CHIP
27p
CH:1608
0.01
25V
B:1608
UN5210-TX
MUTE
0
0
0
0
UN2110-TX
IND SW 2SD1819A
IND SW
MB3800PFV
SWITCHING CONT
2SD1819A
CONTROL
2SD1819A
VCC CONT
2SD1819A
VCC CONT
2.2µH
15µH
0.82µH
ABOARD : IC001 AN5707NFAP A BOARD : IC501 NJM2070M-TE2
ABOARD : IC201 M51348AFP
8
7
6
5
1
2
3
4
NC NC
V+
OUTPUT
POWER
GND
+INPUT
-INPUT
GND
300
BIAS
100k
50k
+
-
5
13 14 15 17 27
26
3225 24
23
10 11
3
2
430
31
AFC
H.P.
M.M.
H.syn
VHA VLA
NC NC BT CHAC.S.
U/V
L/HDBRTCHCALDEFSTOP
BS
V OUT
U OUT
INITIAL RESET
AUTO
RETURN
COMPARATOR
PULSE WIDTH
SET SIGNAL
DET
BT GENERATOR
BS ADD
BAR OUTPUT
TUNINNG
CONTROL 28
1
FH
6
SUD
CHARGE/
DISCHARGE
BAR DISPLAY
POSITION
ADJUST
INPUT
CONTROL
DEFEAT
OUT BAND
SW
19
18
21
22
VLP
VHP
UP
CON
UA
20
12
MANU
169
NC NC
29
GND
7
20
14
15
16
11
10
E-VDL
FM DET IN.
LIMITER OUT
AFT COIL
REF COIL
GND
DC F/B
SIF IN
12
13
AUDIO OUT
AFT OUT
VIDEO OUT
8
9
6
5
IF IN
GND(VIF)
Vcc(SIF)
IF IN
Vcc(VIF)
7
22
23
SYNC OUT
SYNC SEP IN
REF COIL
24
IF AGC ADJ
4
2
1
RF AGC OUT
RF AGC DELAY
AGC FILTER 1
3
AGC FILTER 1
FM DET
BUFFER
VIDEO
DET
IF AGC
DET
2ND
AMP
AFT
1ST
AMP
LIMITER
AGC
SYNC
SEP
21
19
18
17 VIDEO AMP
A BOARD : IC600 MB3800PFV
8
7
6
5
1
2
3
4
-IN FB
OSC
GND
OUT
SCP
VCC
BR/CTL
ERROR AMP
DTC 0.6V
0.5V
0.1V
REFERENCE
VOLTAGE
OUT PUT
DRIVE
CONTROL
CIRCUIT
SOFT START
S.C.P.
SAW-WAVE
GENERATOR
500
1.25V
36K PWM COMP
0.3V
30K
+
-
+
-
+
-
1.0 Vp-p ( H )
1
3.5 Vp-p ( H )
2
0.8 Vp-p ( H )
3
• A BOARD WAVEFORMS

1
A
B
C
D
E
F
G
H
I
212 13
11
10
98765
43 14 17
1615
– 18 –
– 17 –– 16 –
RV301
C405
D302
L401
R402
R404
R406
R407
R408
R409
R412
R416
R418
R419
R421
R423
R429
R434
R436
C404
C408
C410
C412
C414
C305
C307
C312
C313
C315
C317
C318
C319
C320 C323 C324 C327
C328
C329
C330
C331
C332
C333
C335
C336
C337
C338
C340
R304
R306
R307
R309
R310
R311
R312
R317
R322
R326
R330
R333
R336
R338
R341
R343
R348
RV308
C309
C311
C701
C704
L701
100µH
R302
R440
R442
D301 C306
C406
C413
R313
R319
R334
R335
R337
R403
R405
R422
RB404
RB406
C411
R303
C403
CN301
R426 R428
C301
C303
R351
R353
R354
R352
R702
R703
R437
C341
C302 C308
C325 C334
C316
R339
R342
R331
R315
RV302
RV306
R329
R318
R444
C415
R345
R346
R344
C339
R327
CN401
C322
C321
C409
D401
C304 L702
C419
C421
R314
R401
R340
R332
R316
R325
R308
R413
R410
R305
R358
R355
R359
T701
R363
R364 R365
C310
C326
R301
C401 C402
R414
C420
R328 R350
R349 R362
R415
R417
R701
R431
C343
C345
C346
C344
R366
R367
R704
R705
R424
R411
C702
Q304
JL420
JL421 JL422
JL401
JL402
JL403
JL404
JL405
JL406
JL407
JL314
JL318
JL315
JL316
JL408
JL409
JL410
JL411
JL412
JL413
JL414
JL415
JL416
JL417
JL418
JL419
JL301
JL302
JL304
JL305
JL306
JL307
JL308
JL309
JL310
JL313
JL311
JL312
JL317
JL701
JL703
FR701
JL702
Q302
C418
C417
C416
X301
Q305
Q306
Q703
Q704
Q701
Q702
IC301
Q402
Q401
IC401
IC403
Q303
IC302
100
6.3V
:7L
1k
1/16W
:CHIP
47k
1/16W
:CHIP
680
1/16W
:CHIP
68k
1/16W
:CHIP
1M
1/16W
:CHIP
8.2k
1/16W
:CHIP
2.2k 1/16W :CHIP 5.6k
1/16W
:CHIP
68k
1/16W
:CHIP
47k
1/16W
:CHIP
0.01 25V B:1608
0.01 25V B:1608
0.01
25V
B:1608
0.01
25V
B:1608
0.1
25V
F:1608
0.01
25V
B:1608 0.047
16V
B:1608
0.1
16V
B:1608
0.01
25V
B:1608
0.01
25V
B:1608
0.1 25V F:1608
0.01
25V
B:1608
0.01
25V
B:1608
0.01
25V
B:1608
0.01
25V
B:1608
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
10k
1/16W
:CHIP
22k
1/16W
:CHIP
10k
1/16W
:CHIP 10k
1/16W
:CHIP 22k
1/16W
:CHIP
4.7k
1/16W
:CHIP
4.7k
1/16W
:CHIP
1M
1/16W
:CHIP
82k
1/16W
:CHIP 10k
1/16W
:CHIP
1M
1/16W
:CHIP
330
1/16W
:CHIP
1k
1/16W
:CHIP
10k
1/16W
:CHIP
39k
1/16W
:CHIP
47k
1/16W
:CHIP
47k
47k
15k
1/16W
:CHIP
100
1/16W
:CHIP
0.0068 25V B:1608
110V B:CHIP
110V B:CHIP
100 16V :TA-CP
110V B:CHIP
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
MA111
:FR-CP
100
1/16W
:CHIP
100k
1/16W
:CHIP
15k
1/16W
:CHIP
10
:CHIP
100 10V :TA-CP
0.1 25V F:1608
0.001
B:1608
0.01
F:1608
0.0022
B:1608
390p
CH:1608
33k
1/16W
:CHIP
22k
1/16W
:CHIP
47k
1/16W
:CHIP
22k
1/16W
:CHIP
22k
1/16W
:CHIP
68k
1/16W
:CHIP
2.2k
1/16W
:CHIP
10k
1/16W
:CHIP
100
10V
:TA-CP
47k
1/16W
:CHIP
560p
CH:1608
10k 1/16W :CHIP
10k
1/16W
:CHIP
18k 1/16W :RN-CP
10 10V :TA-CP
10k
1/16W
:CHIP
10k
1/16W
:CHIP
100
:CHIP
1
10V
B:CHIP
3.3 16V :TA-CP
0.47
16V
B:CHIP
18P
MA8160-M-TX
10k
1/16W
:CHIP
10k 1/16W :CHIP
10k
1/16W
:CHIP 10k
1/16W
:CHIP
10k
1/16W
:CHIP
470
1/16W
:CHIP
470
1/16W
:CHIP
2.2k
1/16W
:CHIP
68k
1/16W
:CHIP
47k
1/16W
:CHIP
68k
1/16W
:CHIP
33k
1/16W
:CHIP
10k
10k
2.2k
1/16W
:CHIP
33k
1/16W
:CHIP 470
1/16W
:CHIP
0.1
25V
F:1608
10
20V
:TA-CP
10
20V
:TA-CP
10
20V
:TA-CP 10
20V
:TA-CP
100 1/16W :CHIP
100 1/16W :CHIP
100 1/16W :CHIP
8pCH:1608
10
25V
:7L
1k
1/16W
:CHIP
24P
0.01 25V B:1608
0.01 25V B:1608
68p
CH:1608
MA335
22p
CH:1608 :FR-CP
220p
CH:1608
220p
CH:1608
C423
220p
CH:1608
C422
220p
CH:1608
220k 1/16W :CHIP
47k
1/16W
:CHIP
33k
1/16W
:CHIP
47k
1/16W
:CHIP
68k
1/16W
:CHIP
27k
1/16W
:CHIP
47k
1/16W
:CHIP 2.2k
1/16W
:CHIP
470k
1/16W
:CHIP
1M
1/16W
:CHIP
2.2
:CHIP
4.7
:CHIP
4.7 :CHIP
1k
1/16W
:CHIP
0.001
B:1608 0.001
B:1608
220p
CH:1608
68k
1/16W
:CHIP 68k
1/16W
:CHIP
47k
1/16W
:CHIP
56k
1/16W
:CHIP
39k
1/16W
:CHIP
68k
1/16W
:CHIP
47
:CHIP
560p
CH:1608
0.1
25V
F:1608
0.001
B:1608
0.001
B:1608
0.001
B:1608
0.001
B:1608
10p
3kV
:CHIP
4.7k
1/16W
:CHIP
180k
1/16W
:CHIP
100k
1/16W
:CHIP
100k
1/16W
:CHIP
1k
:CHIP
1k
1/16W
:CHIP
1k
1/16W
:CHIP
47k
1/16W
:CHIP
10k
1/16W
:CHIP
47k
1/16W
:CHIP
4.7k
1/16W
:CHIP
0.12
:PP
C703
0.1
:CHIP
2SD1819A
BUFFER
2SD1819A
INVERTER
0.1
25V
F:1608
0.1
25V
F:1608
C425
220P
CH:1608
C424
220P
CH:1608
0.1
25V
F:1608
3.58MHz
UN5210-TX
SW
UN5210-TX
SW
2SB1218A
OSC DRIVE
2SD1819A
OSC DRIVE
2SC2873Y
OSC1
2SC2873Y
OSC2
NJM3414AV
AMP
XP6501
SYNC SEP
2SB1218A
SYNC SEP
NJM2107F
OSC
LCD CONTROL
µP5015
2SD1819A
VGH REG
IR3Y29B4
Y/C/J
21
6
5
4
1
2
3
4
5
6
12
13
18
19
20
21
22
3
12
20
1
13
22
18
19
2
100µH
15µH
L406 0µ
L405 0µ
L404 0µ
L403 0µ
L402 0µ
L408 0µ
L407 0µ
B BOARD : IC302 IR3Y29B4
B BOARD : IC301 NJM3414AV
8
2
3
4
1
6
7
5
AB
0.9 Vp-p ( H )
1
4.5 Vp-p ( H )
6
0.3 Vp-p ( 3.58MHZ )
2
4.3 Vp-p ( V )
7
4.5 Vp-p ( H )
3
0.9 Vp-p ( H )
8
4.5 Vp-p ( H )
4
4.5 Vp-p
5
• B BOARD WAVEFORMS
38 39 40 41 42 43 44 45 4746 4837
36
35
34
33
32
31
30
29
25
24 23 22 21 20 19 18 17 1516 14 13
26
27
28
SYNC SEP
BGP GEN
WINDOW
PULSE GEN
REG1
REG3 REG2
IDENT
KILLER
TRAP
AGC HPF COLOR
CLAMP
AGC AMP
AGC DET
AGC DET
PICTURE
INV
5
7
8
9
10
11
12
6
3
1
2
4
F/F
PAL SW
TINT
VCO
APC
PHASE
SHIFT
PN
COMP
COMP
MATRIX
INT/EXT SW
INV INV
VREF
DEMOD
R-Y G-Y B-Y
SYNC
IN
Y/C
Y/C
BGP
F/F
Y
R-Y G-Y B-Y PAL
ON
PN
NP
CHROMA OUT
ACC FILTER
B-Y
R-Y
KILLER FILTER
BURST OUT
COLOR
C IN
IDENT FILTER
VIDEO IN
CONTRAST
TRAP
PICTURE
AGC OUT
AGC FILTER
CLAMP
F ADJ
VCC1
G IN R IN
B IN
SW
COMMON OUT
COMMON
AMPLITUDE
ADJUST
SYNC SEP
SYNC OUT
SYNC IN
FRP
SUB BRIGHT R
SUB BRIGHT B
BRIGHT
GAMMA 0
GAMMA 2
B DC DET
RGB AMPLITUED
ADJUST
COMMON
FRP
B OUT VCC2 G DC DET G OUT R DC DET R OUT GND2 GND1 VCO OUT APC FILTER VCO IN TINT
PNPN
AMP
AMP

– 19 –
FDL-250T
B
B
E
CN401
STHL
OEH
Q1H
CPH1
CPH2
CPH3
GND
VB
VG
VR
NC
L/R
STHR
AVDD
VCOM
VGH
VCC
STVL
OEV
CKV
U/D
STVR
NC
VGL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
CN301
BRT
-10V
D.GND
IND
VHF
UHF
VIDEO
A.GND
5V
7.5V
A.GND
30V
D.GND
H.P
UNREG GND
UNREG GND
UNREG
UNREG
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
E
C
C
BB
E
E
C
B
E
BCEB
BE
C
C
EC
C
BE
C
B
BBE E
E
C
C
C
< Conductor Side >
< Component Side >
– B Board –
BY/C/J, LCD CONTROL
[ ]
DIODE *
UPPER LOWER
D301 C-2 3
D302 A-2 3
D401 A-3 3
TRANSISTOR *
UPPER LOWER
Q302 A-2 2
Q303 C-2 2
Q304 B-2 2
Q305 B-2 2
Q306 B-2 2
Q401 A-3 2
Q402 A-3 !¶
Q701 C-1 2
Q702 C-1 2
Q703 B-1 1
Q704 B-1 1
IC
UPPER LOWER
IC301 C-1
IC302 B-2
IC401 C-3
IC403 C-3
VARIABLE RESISTOR
UPPER LOWER
RV301 B-2
RV302 A-2
RV306 C-1
RV308 B-2
B BOARD
UPPER : Component side
LOWER : Conductor side

– 20 –
FDL-250T
1
A
B
C
D
25
43
< Conductor Side >
< Component Side >
RV550
RV901
R551
R552
R553
J550
CN550
D901
R901
R902
JL100
JL101
JL102
JL103
JL104
JL106
JL107 JL105 D550
JL109
(HEAD PHONE, BRIGHT/AUDIO VOLUME)
JL108
10k
50k
390
1/16W
:CHIP
470 1/16W :CHIP
470
1/16W
:CHIP
10P
MA157-TX
180k
1/16W
:CHIP
110k
1/16W
:CHIP
HHEAD PHONE,BRIGHT/AUDIO VOL
– H Board –
[ ]
CN550
5V
BRT
GND
AUDIO
AUDIO
NC
AUDIO
NC
UNREG GND
AUDIO
1
2
3
4
5
6
7
8
9
10

– 21 –
FDL-250T
AN5707NFAP
1
TOP VIEW
32pin
IR3Y29B4
UPS015
TOP VIEW
1
12
13 24
25
36
3748
MB3800PFV-G-BND-EF
NJM2070M
NJM2070M-TEZ
NJM3414AV(TE2)
1TOP VIEW
8pin
M51348AFP
M51348AFP-E1
1TOP VIEW
24pin
NJM2107F
NJM2107F-TEZ
1
5pin
UN211D-TX
UN2110
UN2110-TX
UN5210
UN5210-TX
2SB1218A-QRS
2SC3837KQ
2SC4116-YG
2SD1819A-QRS
E
B
C
XN1115
5
4
1
3
2
21
345
XN4215
XN4215-TW
56
4
1
32
1
2
3
6
5
4
XP4601
XP4601-TXE
4
5
6
2
1
5
6
4
1
3
2
3
XP6501
XP6501-TXE
35
6
4
1
3
2
4
5
6
2
1
2SC2873Y-TE12L
2SD1119-Q
2SD1623-S
BCE
MA111-(K8.)SO
MA111-TX
MA8043-M
MA8062
MA8160M (MA8160-M-TX)
MA8240-TX
MA8360
MA8360-TX
CATHODE
ANODE
4-4. SEMICONDUCTORS
MA335
MA335-TX
CATHODE
ANODE
SB01-15CP
CATHODE
ANODE
NC
SB05-05CP
1
2
3
1
23
MA152WK-TX
1SS184
1
2
3
1
2
3
MA157-TX
1SS226
1
2
3
1
2
3
11EQS04
11EQS04-TA1B
CATHODE
ANODE

– 22 –
FDL-250T
5-1. CHASSIS SECTION
• Items with no part number and no
description are not stocked because they
are seldom required for routine service
• The construction parts of an assembled part
are indicated with a collation number in the
remark column.
NOTE:
SECTION 5
EXPLODEDVIEWS
The components identified by shading and
mark
!
are critial for safety.
Replace only with part number specified.
• Items marked " *" are not stocked since
they are seldom required for routine
service. Some delay should be anticipated
when ordering these items.
REF. NO. PART NO. DESCRIPTION REMARK
–––––––– ––––––––– ––––––––––––– ––––––––– REF. NO. PART NO. DESCRIPTION REMARK –––––––– ––––––––– ––––––––––––– –––––––––
1 4-073-306-01 CASE, LCD UPPER
2 4-073-319-01 COLLAR, HINGE
3 1-803-809-11 INDICATOR MODULE, LIQUID CRYSTAL
4 4-073-313-01 SHIELD, LCD
5 4-073-308-01 HOLDER, LCD
6 * A-1136-044-A B BOARD, COMPLETE
7 4-073-305-01 CASE, LCD LOWER
8 4-073-318-01 HINGE
9 X-4037-306-1 CASE ASSY, BATTERY UP
10 4-073-311-01 BUTTON, POWER
11 1-504-847-11 SPEAKER (2.8cm)
12 * A-1299-025-A A BOARD, COMPLETE
13 1-675-949-11 FLEXIBLE BOARD
14 4-073-321-01 SHEET, A PC BOARD
15 * A-1372-708-A H BOARD, COMPLETE
16 4-073-309-01 SHADE
17 4-073-310-01 COLLAR, ANTENNA
18 7-624-113-04 STOPRING 9.0, TYPE -E
19 1-754-098-11 ANTENNA, STRAP
20 4-073-314-01 SPRING (B), BATTERY
21 4-561-079-01 SPRING (A), BATTERY
22 4-073-315-01 SPRING (C), BATTERY
23 4-073-303-01 CASE, BATTERY (LOWER)
24 4-073-307-01 COVER, BATTERY
25 4-073-320-01 ADJUSTER
134
5
67
8
9
10
13
17
15
11
12
2
14
16 25
18
17
19
20
23
21
22
24
s: 7-685-105-19
s
s
s
s

– 23 –
FDL-250T
The components identified by shading and
mark
!
are critial for safety.
Replace only with part number specified.
• Items marked " * " are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these
items.
• All variable and adjustable resistors have
characteristic curve B, unless otherwise noted.
RESISTORS
• All resistors are in ohms
• F : nonflammable
• CAPACITORS
PF : µµ F
• There are some cases the reference
number on one board overlaps on the
other board. Therefore, when ordering
parts by the reference number, please
include the board name.
SECTION 6
ELECTRICAL PARTS LIST
When indicating parts by reference number,
please include the board name.
REF. NO. PART NO. DESCRIPTION REMARK
–––––––– ––––––––– ––––––––––––– ––––––––– REF. NO. PART NO. DESCRIPTION REMARK –––––––– ––––––––– ––––––––––––– –––––––––
B
* A-1136-044-A B BOARD, COMPLETE
*********************
<CAPACITOR>
C301 1-109-982-11 CERAMIC CHIP 1µF 10% 10V
C302 1-126-795-11 ELECT 10µF 20% 25V
C303 1-104-851-11 TANTAL. CHIP 10µF 20% 10V
C304 1-162-919-11 CERAMIC CHIP 22pF 5% 50V
C305 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C306 1-162-974-11 CERAMIC CHIP 0.01µF 50V
C307 1-162-964-11 CERAMIC CHIP 0.001µF 10% 50V
C308 1-113-985-11 TANTAL. CHIP 10µF 20% 20V
C309 1-113-500-11 TANTAL. CHIP 100µF 20% 10V
C310 1-164-739-11 CERAMIC CHIP 560pF 5% 50V
C311 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C312 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C313 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C315 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C316 1-113-985-11 TANTAL. CHIP 10µF 20% 20V
C317 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C318 1-162-969-11 CERAMIC CHIP 0.0068µF 10% 25V
C319 1-104-912-11 TANTAL. CHIP 3.3µF 20% 16V
C320 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C321 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C322 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C323 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C324 1-165-176-11 CERAMIC CHIP 0.047µF 10% 16V
C325 1-113-985-11 TANTAL. CHIP 10µF 20% 20V
C326 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C327 1-107-826-91 CERAMIC CHIP 0.1µF 10% 16V
C328 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C329 1-109-982-11 CERAMIC CHIP 1µF 10% 10V
C330 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C331 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C332 1-109-982-11 CERAMIC CHIP 1µF 10% 10V
C333 1-109-982-11 CERAMIC CHIP 1µF 10% 10V
C334 1-113-985-11 TANTAL. CHIP 10µF 20% 20V
C335 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C336 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C337 1-115-581-11 TANTAL. CHIP 100µF 20% 16V
C338 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C339 1-162-913-11 CERAMIC CHIP 8pF 0.5pF 50V
C340 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C341 1-107-823-11 CERAMIC CHIP 0.47µF 10% 16V
C343 1-162-964-11 CERAMIC CHIP 0.001µF 10% 50V
C344 1-162-964-11 CERAMIC CHIP 0.001µF 10% 50V
C345 1-162-964-11 CERAMIC CHIP 0.001µF 10% 50V
C346 1-162-964-11 CERAMIC CHIP 0.001µF 10% 50V
C401 1-162-964-11 CERAMIC CHIP 0.001µF 10% 50V
C402 1-162-964-11 CERAMIC CHIP 0.001µF 10% 50V
C403 1-164-739-11 CERAMIC CHIP 560pF 5% 50V
C404 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C405 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C406 1-162-966-11 CERAMIC CHIP 0.0022µF 10% 50V
C408 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C409 1-162-925-11 CERAMIC CHIP 68pF 5% 50V
C410 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C411 1-113-500-11 TANTAL. CHIP 100µF 20% 10V
C412 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C413 1-164-392-11 CERAMIC CHIP 390pF 5% 50V
C414 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C415 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C417 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C418 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C419 1-164-230-11 CERAMIC CHIP 220pF 5% 50V
C420 1-164-230-11 CERAMIC CHIP 220pF 5% 50V
C421 1-164-230-11 CERAMIC CHIP 220pF 5% 50V
C422 1-164-816-11 CERAMIC CHIP 220pF 2% 50V
C423 1-164-230-11 CERAMIC CHIP 220pF 5% 50V
C424 1-164-230-11 CERAMIC CHIP 220pF 5% 50V
C425 1-164-230-11 CERAMIC CHIP 220pF 5% 50V
C701 1-126-382-11 ELECT 100µF 20% 6.3V
C702 1-136-166-00 MYLAR 0.12µF 5% 50V
C703 1-164-004-11 CERAMIC CHIP 0.1µF 10% 25V
C704 1-113-520-11 CERAMIC CHIP 10pF 10% 3KV
<CONNECTOR>
CN301 1-764-526-11 CONNECTOR, FFC/FPC (ZIF) 18P
CN401 1-691-388-11 CONNECTOR, FFC/FPC (ZIF) 24P
<DIODE>
D301 8-719-022-90 DIODE MA8160-M
D302 8-719-073-01 DIODE MA111-(K8).S0
D401 8-719-022-91 DIODE MA335-TX
<IC>
IC301 8-759-359-49 IC NJM3414AV(TE2)
IC302 8-759-450-52 IC IR3Y29B4

– 24 –
FDL-250T
REF. NO. PART NO. DESCRIPTION REMARK
–––––––– ––––––––– ––––––––––––– ––––––––– REF. NO. PART NO. DESCRIPTION REMARK –––––––– ––––––––– ––––––––––––– –––––––––
IC401 8-759-710-79 IC NJM2107F
IC403 8-759-642-43 IC UPS015
<COIL>
L401 1-412-953-11 INDUCTOR 15µH
L402 1-414-760-21 FERRITE 0µH
L403 1-414-760-21 FERRITE 0µH
L404 1-414-760-21 FERRITE 0µH
L405 1-414-760-21 FERRITE 0µH
L406 1-414-760-21 FERRITE 0µH
L407 1-414-760-21 FERRITE 0µH
L408 1-414-760-21 FERRITE 0µH
L701 1-408-615-31 INDUCTOR 100µH
L702 1-412-963-11 INDUCTOR 100µH
<TRANSISTOR>
Q302 8-729-230-63 TRANSISTOR 2SC4116-YG
Q303 8-729-230-63 TRANSISTOR 2SC4116-YG
Q304 8-729-230-63 TRANSISTOR 2SC4116-YG
Q305 8-729-420-44 TRANSISTOR UN5210
Q306 8-729-420-44 TRANSISTOR UN5210
Q401 8-729-420-24 TRANSISTOR 2SB1218A-QRS
Q402 8-729-427-83 TRANSISTOR XP6501
Q701 8-729-807-51 TRANSISTOR 2SD1623-S
Q702 8-729-807-51 TRANSISTOR 2SD1623-S
Q703 8-729-420-24 TRANSISTOR 2SB1218A-QRS
Q704 8-729-230-63 TRANSISTOR 2SC4116-YG
<RESISTOR>
R301 1-216-821-11 RES,CHIP 1K 5% 1/16W
R302 1-216-833-91 RES,CHIP 10K 5% 1/16W
R303 1-216-841-11 RES,CHIP 47K 5% 1/16W
R304 1-216-819-11 RES,CHIP 680 5% 1/16W
R305 1-216-857-11 RES,CHIP 1M 5% 1/16W
R306 1-216-821-11 RES,CHIP 1K 5% 1/16W
R307 1-216-841-11 RES,CHIP 47K 5% 1/16W
R308 1-216-841-11 RES,CHIP 47K 5% 1/16W
R309 1-216-833-91 RES,CHIP 10K 5% 1/16W
R310 1-216-837-11 RES,CHIP 22K 5% 1/16W
R311 1-216-833-91 RES,CHIP 10K 5% 1/16W
R312 1-216-833-91 RES,CHIP 10K 5% 1/16W
R313 1-218-877-11 METAL CHIP 18K 0.50% 1/16W
R314 1-216-849-11 RES,CHIP 220K 5% 1/16W
R315 1-216-839-11 RES,CHIP 33K 5% 1/16W
R316 1-216-843-11 RES,CHIP 68K 5% 1/16W
R317 1-216-841-11 RES,CHIP 47K 5% 1/16W
R318 1-216-839-11 RES,CHIP 33K 5% 1/16W
R319 1-216-839-11 RES,CHIP 33K 5% 1/16W
R322 1-216-837-11 RES,CHIP 22K 5% 1/16W
R325 1-216-838-11 RES,CHIP 27K 5% 1/16W
R326 1-216-843-11 RES,CHIP 68K 5% 1/16W
R327 1-216-821-11 RES,CHIP 1K 5% 1/16W
R328 1-216-843-11 RES,CHIP 68K 5% 1/16W
R329 1-216-825-11 RES,CHIP 2.2K 5% 1/16W
R330 1-216-857-11 RES,CHIP 1M 5% 1/16W
R331 1-216-843-11 RES,CHIP 68K 5% 1/16W
R332 1-216-841-11 RES,CHIP 47K 5% 1/16W
R333 1-216-825-11 RES,CHIP 2.2K 5% 1/16W
R334 1-216-837-11 RES,CHIP 22K 5% 1/16W
R335 1-216-841-11 RES,CHIP 47K 5% 1/16W
R336 1-216-809-11 RES,CHIP 100 5% 1/16W
R337 1-216-837-11 RES,CHIP 22K 5% 1/16W
R338 1-216-845-11 RES,CHIP 100K 5% 1/16W
R339 1-216-843-11 RES,CHIP 68K 5% 1/16W
R340 1-216-839-11 RES,CHIP 33K 5% 1/16W
R341 1-216-843-11 RES,CHIP 68K 5% 1/16W
R342 1-216-841-11 RES,CHIP 47K 5% 1/16W
R343 1-216-832-11 RES,CHIP 8.2K 5% 1/16W
R344 1-216-809-11 RES,CHIP 100 5% 1/16W
R345 1-216-809-11 RES,CHIP 100 5% 1/16W
R346 1-216-809-11 RES,CHIP 100 5% 1/16W
R348 1-216-830-11 RES,CHIP 5.6K 5% 1/16W
R349 1-216-841-11 RES,CHIP 47K 5% 1/16W
R350 1-216-843-11 RES,CHIP 68K 5% 1/16W
R351 1-216-833-91 RES,CHIP 10K 5% 1/16W
R352 1-216-833-91 RES,CHIP 10K 5% 1/16W
R353 1-216-833-91 RES,CHIP 10K 5% 1/16W
R354 1-216-833-91 RES,CHIP 10K 5% 1/16W
R355 1-216-308-00 RES,CHIP 4.7 5% 1/10W
R358 1-216-298-00 RES,CHIP 2.2 5% 1/10W
R359 1-216-308-00 RES,CHIP 4.7 5% 1/10W
R362 1-218-842-11 RES,CHIP 56K 5% 1/16W
R363 1-216-829-11 RES,CHIP 4.7K 5% 1/16W
R364 1-216-848-11 RES,CHIP 180K 5% 1/16W
R365 1-216-845-11 RES,CHIP 100K 5% 1/16W
R366 1-216-821-11 RES,CHIP 1K 5% 1/16W
R367 1-216-821-11 RES,CHIP 1K 5% 1/16W
R401 1-216-841-11 RES,CHIP 47K 5% 1/16W
R402 1-216-829-11 RES,CHIP 4.7K 5% 1/16W
R403 1-216-837-11 RES,CHIP 22K 5% 1/16W
R404 1-216-835-11 RES,CHIP 15K 5% 1/16W
R405 1-216-843-11 RES,CHIP 68K 5% 1/16W
R406 1-216-829-11 RES,CHIP 4.7K 5% 1/16W
R407 1-216-835-11 RES,CHIP 15K 5% 1/16W
R408 1-216-857-11 RES,CHIP 1M 5% 1/16W
R409 1-216-844-11 RES,CHIP 82K 5% 1/16W
R410 1-216-853-11 RES,CHIP 470K 5% 1/16W
R411 1-216-841-11 RES,CHIP 47K 5% 1/16W
R412 1-216-833-91 RES,CHIP 10K 5% 1/16W
R413 1-216-825-11 RES,CHIP 2.2K 5% 1/16W
R414 1-216-845-11 RES,CHIP 100K 5% 1/16W
R415 1-216-840-11 RES,CHIP 39K 5% 1/16W
R416 1-216-840-11 RES,CHIP 39K 5% 1/16W
R417 1-216-843-11 RES,CHIP 68K 5% 1/16W
R418 1-216-833-91 RES,CHIP 10K 5% 1/16W
R419 1-216-857-11 RES,CHIP 1M 5% 1/16W
R421 1-216-815-11 RES,CHIP 330 5% 1/16W
R422 1-216-825-11 RES,CHIP 2.2K 5% 1/16W
R423 1-216-821-11 RES,CHIP 1K 5% 1/16W
R424 1-216-829-11 RES,CHIP 4.7K 5% 1/16W
R426 1-216-833-91 RES,CHIP 10K 5% 1/16W
B

– 25 –
FDL-250T
R428 1-216-833-91 RES,CHIP 10K 5% 1/16W
R429 1-216-841-11 RES,CHIP 47K 5% 1/16W
R431 1-216-017-91 RES,CHIP 47 5% 1/10W
R434 1-216-809-11 RES,CHIP 100 5% 1/16W
R436 1-216-001-00 RES,CHIP 10 5% 1/10W
R437 1-216-025-91 RES,CHIP 100 5% 1/10W
R440 1-216-833-91 RES,CHIP 10K 5% 1/16W
R442 1-216-833-91 RES,CHIP 10K 5% 1/16W
R444 1-216-817-11 RES,CHIP 470 5% 1/16W
R701 1-216-049-91 RES,CHIP 1K 5% 1/10W
R702 1-216-833-91 RES,CHIP 10K 5% 1/16W
R703 1-216-825-11 RES,CHIP 2.2K 5% 1/16W
R704 1-216-841-11 RES,CHIP 47K 5% 1/16W
R705 1-216-833-91 RES,CHIP 10K 5% 1/16W
<RESISTORBLOCK>
RB404 1-233-679-91 RES, NETWORK 470
RB406 1-233-679-91 RES, NETWORK 470
<VARIABLERESISTOR>
RV301 1-223-588-11 RES, ADJ, CARBON 47K (CONT)
RV302 1-223-586-11 RES, ADJ, CARBON 10K
(COMPAMP)
RV306 1-223-586-11 RES, ADJ, CARBON 10K
(VCOM DC)
RV308 1-223-588-11 RES, ADJ, CARBON 47K (TINT)
<TRANSFORMER>
T701 1-435-197-11 TRANSFORMER, CONVERTER
<CRYSTAL>
X301 1-567-505-11 OSCILLATOR, CRYSTAL
*************************************************************
* A-1299-025-A A BOARD, COMPLETE
*********************
<CAPACITOR>
C001 1-126-794-11 ELECT 4.7µF 20% 25V
C002 1-126-513-11 ELECT 47µF 20% 6.3V
C003 1-164-739-11 CERAMIC CHIP 560pF 5% 50V
C004 1-126-513-11 ELECT 47µF 20% 6.3V
C005 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C006 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C007 1-162-964-11 CERAMIC CHIP 0.001µF 10% 50V
C008 1-109-982-11 CERAMIC CHIP 1µF 10% 10V
C011 1-126-791-11 ELECT 10µF 20% 16V
C012 1-109-982-11 CERAMIC CHIP 1µF 10% 10V
C013 1-162-974-11 CERAMIC CHIP 0.01µF 50V
C014 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C101 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C201 1-164-739-11 CERAMIC CHIP 560pF 5% 50V
C202 1-164-739-11 CERAMIC CHIP 560pF 5% 50V
C203 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C204 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C205 1-126-794-11 ELECT 4.7µF 20% 25V
C206 1-162-920-11 CERAMIC CHIP 27pF 5% 50V
C207 1-162-915-11 CERAMIC CHIP 10pF 0.5pF 50V
C208 1-162-907-11 CERAMIC CHIP 2pF 0.25pF50V
C209 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C210 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C211 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C212 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C213 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C215 1-126-513-11 ELECT 47µF 20% 6.3V
C218 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C219 1-135-145-11 TANTAL. CHIP 0.47µF 20% 25V
C220 1-162-964-11 CERAMIC CHIP 0.001µF 10% 50V
C221 1-162-964-11 CERAMIC CHIP 0.001µF 10% 50V
C222 1-126-791-11 ELECT 10µF 20% 16V
C223 1-135-145-11 TANTAL. CHIP 0.47µF 20% 25V
C224 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C225 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C226 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C228 1-164-739-11 CERAMIC CHIP 560pF 5% 50V
C229 1-164-739-11 CERAMIC CHIP 560pF 5% 50V
C234 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C235 1-162-964-11 CERAMIC CHIP 0.001µF 10% 50V
C236 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C237 1-126-514-11 ELECT 22µF 20% 6.3V
C502 1-126-382-11 ELECT 100µF 20% 6.3V
C503 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C504 1-126-791-11 ELECT 10µF 20% 16V
C505 1-126-382-11 ELECT 100µF 20% 6.3V
C506 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C507 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C600 1-107-823-11 CERAMIC CHIP 0.47µF 10% 16V
C601 1-107-826-91 CERAMIC CHIP 0.1µF 10% 16V
C602 1-162-964-11 CERAMIC CHIP 0.001µF 10% 50V
C603 1-124-635-00 ELECT 220µF 20% 6.3V
C604 1-162-966-11 CERAMIC CHIP 0.0022µF 10% 50V
C605 1-162-974-11 CERAMIC CHIP 0.01µF 50V
C607 1-126-791-11 ELECT 10µF 20% 16V
C608 1-127-561-11 ELECT 33µF 20% 10V
C609 1-126-786-11 ELECT 47µF 20% 16V
C610 1-126-795-11 ELECT 10µF 20% 50V
C611 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C612 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C613 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C614 1-162-974-11 CERAMIC CHIP 0.01µF 50V
C615 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C616 1-126-382-11 ELECT 100µF 20% 6.3V
C617 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C618 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C619 1-164-156-11 CERAMIC CHIP 0.1µF 25V
C620 1-162-974-11 CERAMIC CHIP 0.01µF 50V
C621 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C624 1-109-982-11 CERAMIC CHIP 1µF 10% 10V
REF. NO. PART NO. DESCRIPTION REMARK
–––––––– ––––––––– ––––––––––––– ––––––––– REF. NO. PART NO. DESCRIPTION REMARK –––––––– ––––––––– ––––––––––––– –––––––––
B A

– 26 –
FDL-250T
C801 1-124-288-00 ELECT 22µF 20% 10V
C802 1-107-826-91 CERAMIC CHIP 0.1µF 10% 16V
C803 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C804 1-107-826-91 CERAMIC CHIP 0.1µF 10% 16V
C805 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C806 1-162-970-11 CERAMIC CHIP 0.01µF 10% 25V
C807 1-107-826-91 CERAMIC CHIP 0.1µF 10% 16V
<FILTER>
CF201 1-409-332-00 CERAMIC TRAP
CF202 1-760-642-11 DISCRIMINATOR, CERAMIC
CF203 1-577-559-21 FILTER, CERAMIC
<CONNECTOR>
CN201 1-764-526-11 CONNECTOR, FFC/FPC (ZIF) 18P
CN202 1-568-363-11 CONNECTOR, BOARD TO BOARD 10P
CN501 * 1-568-951-11 PIN, CONNECTOR 2P
<DIODE>
D001 8-719-801-78 DIODE 1SS184
D002 8-719-800-76 DIODE 1SS226
D003 8-719-018-04 DIODE MA8240-TX
D201 8-719-800-76 DIODE 1SS226
D202 8-719-018-04 DIODE MA8240-TX
D501 8-719-800-76 DIODE 1SS226
D600 8-719-018-15 DIODE MA8360
D601 8-719-938-75 DIODE SB05-05CP
D602 8-719-989-93 DIODE SB01-15CP
D603 8-719-989-93 DIODE SB01-15CP
D604 8-719-938-75 DIODE SB05-05CP
D605 8-719-800-76 DIODE 1SS226
D606 8-719-421-82 DIODE MA8043-M
D607 8-719-210-21 DIODE 11EQS04
D609 8-719-422-58 DIODE MA8062
<FUSE>
F601 !1-533-631-31 FUSE, MICRO (1A)
<IC>
IC001 8-759-332-43 IC AN5707NFAP
IC201 8-759-176-91 IC M51348AFP
IC501 8-759-046-84 IC NJM2070M
IC600 8-759-427-21 IC MB3800pFV-G-BND-EF
<JACK>
J101 1-568-027-11 JACK, SMALL TYPE (EXT ANT)
J601 1-568-907-21 JACK,DC(POLARITY UNIFIED TYPE)
(DC IN 4.5V)
J801 1-691-001-11 JACK (A/V IN)
<COIL>
L201 1-412-953-11 INDUCTOR 15µH
L205 1-412-938-11 INDUCTOR 0.82µH
L600 1-414-760-21 FERRITE 0µH
L601 1-414-760-21 FERRITE 0µH
L602 1-414-760-21 FERRITE 0µH
L603 1-414-760-21 FERRITE 0µH
L604 1-412-031-11 INDUCTOR CHIP 47µH
L605 1-412-032-11 INDUCTOR CHIP 100µH
L606 1-412-027-11 INDUCTOR CHIP 2.2µH
<TRANSISTOR>
Q001 8-729-420-24 TRANSISTOR 2SB1218A-QRS
Q002 8-729-427-74 TRANSISTOR XP4601
Q003 8-729-420-44 TRANSISTOR UN5210
Q004 8-729-424-38 TRANSISTOR UN2110
Q005 8-729-424-38 TRANSISTOR UN2110
Q006 8-729-420-44 TRANSISTOR UN5210
Q007 8-729-424-45 TRANSISTOR UN211D-TX
Q008 8-729-230-63 TRANSISTOR 2SC4116-YG
Q010 8-729-403-45 TRANSISTOR XN1115
Q011 8-729-422-54 TRANSISTOR XN4215
Q012 8-729-420-44 TRANSISTOR UN5210
Q201 8-729-031-37 TRANSISTOR 2SC3837KQ
Q202 8-729-420-24 TRANSISTOR 2SB1218A-QRS
Q203 8-729-420-44 TRANSISTOR UN5210
Q600 8-729-421-15 TRANSISTOR 2SD1119-Q
Q601 8-729-420-24 TRANSISTOR 2SB1218A-QRS
Q602 8-729-230-63 TRANSISTOR 2SC4116-YG
Q604 8-729-230-63 TRANSISTOR 2SC4116-YG
Q605 8-729-230-63 TRANSISTOR 2SC4116-YG
Q801 8-729-230-63 TRANSISTOR 2SC4116-YG
Q803 8-729-230-63 TRANSISTOR 2SC4116-YG
<RESISTOR>
R001 1-216-843-11 RES,CHIP 68K 5% 1/16W
R002 1-216-845-11 RES,CHIP 100K 5% 1/16W
R003 1-216-843-11 RES,CHIP 68K 5% 1/16W
R004 1-216-841-11 RES,CHIP 47K 5% 1/16W
R005 1-216-847-11 RES,CHIP 150K 5% 1/16W
R006 1-216-838-11 RES,CHIP 27K 5% 1/16W
R007 1-216-864-11 SHORT 0
R008 1-218-905-11 METAL CHIP 270K 0.50% 1/16W
R009 1-218-883-11 METAL CHIP 33K 0.50% 1/16W
R010 1-216-001-00 RES,CHIP 10 5% 1/10W
R011 1-216-833-91 RES,CHIP 10K 5% 1/16W
R012 1-216-851-11 RES,CHIP 330K 5% 1/16W
R013 1-216-842-11 RES,CHIP 56K 5% 1/16W
R014 1-216-840-11 RES,CHIP 39K 5% 1/16W
R015 1-216-833-91 RES,CHIP 10K 5% 1/16W
R016 1-216-840-11 RES,CHIP 39K 5% 1/16W
R017 1-216-836-11 RES,CHIP 18K 5% 1/16W
R018 1-216-845-11 RES,CHIP 100K 5% 1/16W
R020 1-216-837-11 RES,CHIP 22K 5% 1/16W
R021 1-216-845-11 RES,CHIP 100K 5% 1/16W
REF. NO. PART NO. DESCRIPTION REMARK
–––––––– ––––––––– ––––––––––––– ––––––––– REF. NO. PART NO. DESCRIPTION REMARK –––––––– ––––––––– ––––––––––––– –––––––––
AThe components identified by
shading and mark !are criti-
cal for safety.
Replace only with part number
specified.

– 27 –
FDL-250T
R022 1-216-029-00 RES,CHIP 150 5% 1/10W
R023 1-216-841-11 RES,CHIP 47K 5% 1/16W
R029 1-216-817-11 RES,CHIP 470 5% 1/16W
R031 1-216-847-11 RES,CHIP 150K 5% 1/16W
R046 1-216-841-11 RES,CHIP 47K 5% 1/16W
R047 1-216-833-91 RES,CHIP 10K 5% 1/16W
R101 1-216-017-91 RES,CHIP 47 5% 1/10W
R201 1-216-819-11 RES,CHIP 680 5% 1/16W
R202 1-216-814-11 RES,CHIP 270 5% 1/16W
R205 1-216-845-11 RES,CHIP 100K 5% 1/16W
R206 1-216-828-11 RES,CHIP 3.9K 5% 1/16W
R208 1-216-819-11 RES,CHIP 680 5% 1/16W
R209 1-216-824-11 RES,CHIP 1.8K 5% 1/16W
R210 1-216-839-11 RES,CHIP 33K 5% 1/16W
R212 1-216-817-11 RES,CHIP 470 5% 1/16W
R213 1-216-832-11 RES,CHIP 8.2K 5% 1/16W
R215 1-216-021-00 RES,CHIP 68 5% 1/10W
R216 1-216-822-11 RES,CHIP 1.2K 5% 1/16W
R218 1-216-807-11 RES,CHIP 68 5% 1/16W
R219 1-216-816-11 RES,CHIP 390 5% 1/16W
R220 1-216-805-11 RES,CHIP 47 5% 1/16W
R221 1-216-821-11 RES,CHIP 1K 5% 1/16W
R222 1-216-830-11 RES,CHIP 5.6K 5% 1/16W
R223 1-216-821-11 RES,CHIP 1K 5% 1/16W
R224 1-216-823-11 RES,CHIP 1.5K 5% 1/16W
R225 1-216-829-11 RES,CHIP 4.7K 5% 1/16W
R226 1-216-827-11 RES,CHIP 3.3K 5% 1/16W
R228 1-216-833-91 RES,CHIP 10K 5% 1/16W
R229 1-216-832-11 RES,CHIP 8.2K 5% 1/16W
R230 1-216-001-00 RES,CHIP 10 5% 1/10W
R231 1-216-017-91 RES,CHIP 47 5% 1/10W
R232 1-216-822-11 RES,CHIP 1.2K 5% 1/16W
R233 1-216-822-11 RES,CHIP 1.2K 5% 1/16W
R240 1-216-833-91 RES,CHIP 10K 5% 1/16W
R241 1-216-848-11 RES,CHIP 180K 5% 1/16W
R242 1-216-817-11 RES,CHIP 470 5% 1/16W
R243 1-216-837-11 RES,CHIP 22K 5% 1/16W
R501 1-216-308-00 RES,CHIP 4.7 5% 1/10W
R510 1-216-821-11 RES,CHIP 1K 5% 1/16W
R600 1-216-821-11 RES,CHIP 1K 5% 1/16W
R601 1-216-831-11 RES,CHIP 6.8K 5% 1/16W
R602 1-216-805-11 RES,CHIP 47 5% 1/16W
R603 1-218-272-11 RES,CHIP 5.1K 5% 1/16W
R604 1-216-833-91 RES,CHIP 10K 5% 1/16W
R605 1-216-825-11 RES,CHIP 2.2K 5% 1/16W
R606 1-216-837-11 RES,CHIP 22K 5% 1/16W
R607 1-216-009-91 RES,CHIP 22 5% 1/10W
R608 1-216-025-91 RES,CHIP 100 5% 1/10W
R609 1-216-847-11 RES,CHIP 150K 5% 1/16W
R612 1-216-825-11 RES,CHIP 2.2K 5% 1/16W
R613 1-216-833-91 RES,CHIP 10K 5% 1/16W
R614 1-216-833-91 RES,CHIP 10K 5% 1/16W
R615 1-216-833-91 RES,CHIP 10K 5% 1/16W
R616 1-216-825-11 RES,CHIP 2.2K 5% 1/16W
R617 1-216-833-91 RES,CHIP 10K 5% 1/16W
R801 1-216-821-11 RES,CHIP 1K 5% 1/16W
R803 1-216-809-11 RES,CHIP 100 5% 1/16W
R804 1-216-841-11 RES,CHIP 47K 5% 1/16W
R805 1-216-795-11 RES,CHIP 6.8 5% 1/16W
R807 1-216-806-11 RES,CHIP 56 5% 1/16W
R808 1-216-821-11 RES,CHIP 1K 5% 1/16W
R809 1-216-845-11 RES,CHIP 100K 5% 1/16W
R810 1-216-809-11 RES,CHIP 100 5% 1/16W
R813 1-216-801-11 RES,CHIP 22 5% 1/16W
R816 1-216-298-00 RES,CHIP 2.2 5% 1/10W
R817 1-216-819-11 RES,CHIP 680 5% 1/16W
R818 1-216-811-11 RES,CHIP 150 5% 1/16W
R820 1-216-850-11 RES,CHIP 270K 5% 1/16W
R823 1-216-841-11 RES,CHIP 47K 5% 1/16W
R824 1-216-837-11 RES,CHIP 22K 5% 1/16W
R826 1-216-841-11 RES,CHIP 47K 5% 1/16W
<VARIABLERESISTOR>
RV001 1-223-588-11 RES,ADJ, CARBON 47K (UP)
RV002 1-223-588-11 RES,ADJ, CARBON 47K (VP)
RV004 1-223-589-11 RES,ADJ, CARBON 100K (VA)
RV201 1-223-583-11 RES,ADJ, CARBON 1K (RFAGC)
RV600 1-223-582-11 RES,ADJ, CARBON 470
(SWITCHING CONT)
<SWITCH>
S001 1-762-196-21 SWITCH, TACT (CH -)
S002 1-762-196-21 SWITCH, TACT (CH +)
S601 1-762-368-11 SWITCH, SLIDE (OFF/VHF/UHF)
<FILTER>
SWF201 1-781-643-11 FILTER, SURFACE WAVE
<TRANSFORMER>
T201 1-411-278-11 COIL
T202 1-411-278-11 COIL
T601 1-435-196-11 TRANSFORMER, DC-DC CONVERTER
<TUNER>
TU101!1-693-467-11 TUNER UNIT
*************************************************************
* A-1372-708-A H BOARD, COMPLETE
*********************
<CONNECTOR>
CN550 1-568-331-11 CONNECTOR, BOARD TO BOARD 10P
<DIODE>
D901 8-719-800-76 DIODE MA157-TX
REF. NO. PART NO. DESCRIPTION REMARK
–––––––– ––––––––– ––––––––––––– ––––––––– REF. NO. PART NO. DESCRIPTION REMARK –––––––– ––––––––– ––––––––––––– –––––––––
A H
The components identified by
shading and mark !are criti-
cal for safety.
Replace only with part number
specified.

– 28 –
FDL-250T
<JACK>
J550 1-563-282-11 JACK, SMALL TYPE (HEAD PHONE)
<RESISTOR>
R551 1-216-816-11 RES,CHIP 390 5% 1/16W
R552 1-216-817-11 RES,CHIP 470 5% 1/16W
R553 1-216-817-11 RES,CHIP 470 5% 1/16W
R901 1-216-848-11 RES,CHIP 180K 5% 1/16W
R902 1-218-348-91 RES,CHIP 110K 5% 1/16W
<VARIABLERESISTOR>
RV550 1-223-900-21 RES, VAR 10K (VOL)
RV901 1-223-901-21 RES, VAR 50K (BRT)
*************************************************************
MISCELLANEOUS
*****************
1-504-847-11 SPEAKER (2.8cm)
1-675-949-11 FLEXIBLE BOARD
1-754-098-11 ANTENNA, STRAP
1-803-809-11 INDICATOR MODULE, LIQUID CRYSTAL
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ACCESSORIES AND PACKING MATERIALS
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3-867-899-11 MANUAL, INSTRUCTION
REF. NO. PART NO. DESCRIPTION REMARK
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9-965-268-01 Sony Ichinomiya Corporation Quality Assurance Division
English
99IR74253-1
Printed in USA
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