Toshiba 15V31D User manual

SERVICE MANUAL
PRINTED IN UK. 2002 C
COLOURTELEVISION
15V31D
TOSHIBA

SERVICING NOTICES ON CHECKING
6. AVOID AN X-RAY1. KEEP THE NOTICES
As for the places which need special attentions,
they are indicated with the labels or seals on the
cabinet, chassis and parts. Make sure to keep the
indications and notices in the operation manual.
3. USE THE DESIGNATED PARTS
5. TAKE CARE TO DEAL WITH THE
CATHODE-RAY TUBE
Safety is secured against an X-ray by consider-
ing about the cathode-ray tube and the high
voltage peripheral circuit, etc.
Therefore, when repairing the high voltage pe-
ripheral circuit, use the designated parts and
make sure not modify the circuit.
Repairing except indicates causes rising of high
voltage, and it emits an X-ray from the cathode-
ray tube.
Please include the following informations when you order parts. (Particularly the VERSION LETTER.)
1. MODEL NUMBER and VERSION LETTER
The MODEL NUMBER can be found on the back of each product and the VERSION LETTER can be
found at the end of the SERIAL NUMBER.
2. PART NO. and DESCRIPTION
You can find it in your SERVICE MANUAL.
HOW TO ORDER PARTS
Inferior silicon grease can damage IC's and transistors.
When replacing an IC's or transistors, use only specified silicon grease (YG6260M).
Remove all old silicon before applying new silicon.
IMPORTANT
2. AVOID AN ELECTRIC SHOCK
There is a high voltage part inside. Avoid an
electric shock while the electric current is
flowing.
The parts in this equipment have the specific
characters of incombustibility and withstand
voltage for safety. Therefore, the part which is
replaced should be used the part which has
the same character.
Especially as to the important parts for safety
which is indicated in the circuit diagram or the
table of parts as a mark, the designated
parts must be used.
4. PUT PARTS AND WIRES IN THE
ORIGINAL POSITION AFTER
ASSEMBLING OR WIRING
There are parts which use the insulation
material such as a tube or tape for safety, or
which are assembled in the condition that
these do not contact with the printed board.
The inside wiring is designed not to get closer
to the pyrogenic parts and high voltage parts.
Therefore, put these parts in the original
positions.
In the condition that an explosion-proof cathode-
ray tube is set in this equipment, safety is
secured against implosion. However, when
removing it or serving from backward, it is
dangerous to give a shock. Take enough care to
deal with it.
PERFORM A SAFETY CHECK AFTER
SERVICING
7.
Confirm that the screws, parts and wiring which
were removed in order to service are put in the
original positions, or whether there are the
portions which are deteriorated around the
serviced places serviced or not. Check the
insulation between the antenna terminal or
external metal and the AC cord plug blades.
And be sure the safety of that.
(INSULATION CHECK PROCEDURE)
1.
2.
3.
4.
Unplug the plug from the AC outlet.
Remove the antenna terminal on TV and turn
on the TV.
Insulation resistance between the cord plug
terminals and the eternal exposure metal
[Note 2] should be more than 1M ohm by
using the 500V insulation resistance meter
[Note 1].
If the insulation resistance is less than 1M
ohm, the inspection repair should be
required.
[Note 1]
If you have not the 500V insulation
resistance meter, use a Tester.
[Note 2]
External exposure metal: Antenna terminal
Earphone jack
A1-1

CONTENTS
A2-1
SERVICING NOTICES ON CHECKING......................................................................................................
HOW TO ORDER PARTS ...........................................................................................................................
IMPORTANT................................................................................................................................................
CONTENTS .................................................................................................................................................
GENERAL SPECIFICATIONS ....................................................................................................................
DISASSEMBLY INSTRUCTIONS
1.REMOVAL OF ANODE CAP ..............................................................................................................
2.REMOVAL AND INSTALLATION OF FLAT PACKAGE IC ...............................................................
SERVICE MODE LIST.................................................................................................................................
CONFIRMATION OF HOURS USED ..........................................................................................................
WHEN REPLACING EEPROM( MEMORY) IC ...........................................................................................
ELECTRICAL ADJUSTMENTS ..................................................................................................................
BLOCK DIAGRAM ......................................................................................................................................
PRINTED CIRCUIT BOARDS
MAIN/CRT...............................................................................................................................................
SCHEMATIC DIAGRAMS
MICON/TUNER.......................................................................................................................................
IF/CHROMA............................................................................................................................................
21PIN/AV SW .........................................................................................................................................
SOUND AMP ..........................................................................................................................................
DEFLECTION/CRT.................................................................................................................................
POWER ..................................................................................................................................................
WAVEFORMS .............................................................................................................................................
MECHANICAL EXPLODED VIEW ..............................................................................................................
MECHANICAL REPLACEMENT PARTS LIST ..........................................................................................
ELECTRICAL REPLACEMENT PARTS LIST ............................................................................................
A1-1
A1-1
A1-1
A2-1
A3-1~A3-5
B1-1
B2-1, B2-2
C-1
C-1
C-1
D-1~D-5
E-1, E-2
F-1~F-4
G-1, G-2
G-3, G-4
G-5, G-6
G-7, G-8
G-9, G-10
G-11, G-12
H-1~ H-3
I-1
J1-1
J2-1~ J2-7

GENERAL SPECIFICATIONS
G-1 TV CRT CRT Size / Visual Size 15 inch / 357mmV
System CRT Type Flat
Deflection 90 degree
Magnetic Field BV/BH +0.45G/0.18G
Color System PAL
Speaker 1 Speaker
Position Front
Size 1.5 x2.7 Inch
Impedance 8 ohm
Sound Output MAX 5W
10%(Typical) 4W
DDR SECAM No
NTSC3.58(AV)+NTSC4.43 Yes
PAL60Hz Yes
G-2 Tuning Broadcasting System CCIR System B/G
System Tuner and System 1Tuner
Receive CH Destination Hyper
Tuning System F-Synth
Input Impedance VHF/UHF 75 ohm
E2 - E4, X - Z+2, S1 - S10, E5 - E12,
CH Coverage S11 - S41, E21 - E69
Intermediate B/G
Frequency Picture(FP) 38.9 MHz
Sound(FS) 33.4 MHz
FP-FS 5.5 MHz
Preset CH 100
Stereo/Dual TV Sound No
Tuner Sound Muting Yes
G-3 Power Power Source AC 230V-240V AC 50Hz
DC
Power Consumption at AC 46 W at AC 230 V 50 Hz
Stand by (at AC) 3 W at AC 230 V 50 Hz
Per Year -- kWh/Year
Protector Power Fuse Yes
G-4 Regulation Safety CE(EN60065:98)
Radiation CE
X-Radiation -
G-5 Temperature Operation +5oC ~ +40oC
Storage -20oC ~ +60oC
G-6 Operating Humidity Less than 80% RH
A3-1

GENERAL SPECIFICATIONS
G-7 On Screen Menu Yes
Display Menu Type Character
Picture Yes
Contrast Yes
Brightness Yes
Colour Yes
Tint (NTSC Only) Yes
Sharpness Yes
Audio No
Bass No
Treble No
Balance No
BBE On/Off No
Stable Sound On/Off No
CH Tuning Yes
Manual Yes
ITS Yes
CH MAPPING Yes
CH Allocation No
Text Langage(East/West) Yes
Language Yes
Clock Set No
On/OffTimer Set Yes
On Timer Set No
Pin Code Registration No
Panel Lock Yes
Nicam Auto Off No
AV Colour System Yes
Sound System No
Auto 4:3 Default No
AV2 Output No
Output Source No
Source No
Control Level Yes
Volume Yes
Brightness Yes
Contrast Yes
Colour Yes
Tint (NTSC Only) Yes
Sharpness Yes
Tuning Yes
Bass No
Treble No
Balance No
Back Light No
Nicam ST No
G(A2)Stereo No
Tone 1/2 (A/B) No
Surround On/Off No
Pin Code No
AV Yes
Skip Yes
Channel Yes
Broadcasting Station Name Yes
Hotel Lock No
Sleep Timer No
Selectable Picture Yes
Wide Mode No
Sound Mute Yes
G-8 OSD Language English , French , Spanish
Germany , Italian
Polski , Turkey , Sweden
Netherland , Portgal
Norway , Finland , Denmark
Czech , Slovak , Hungarian
Russian , Greek
Yugoslavian , Bulgarian , Romanian
Slovenian , Croatian
G-9 Clock and Sleep Timer Max Time - Min
Timer Step - Min
Clock No
On Timer Program( On Timer) Yes
Off Timer Program( Off Timer) Yes
Wake Up Timer No
Timer Back-up (at Power Off Mode) more than -- Min Sec
A3-2

GENERAL SPECIFICATIONS
G-10 Remote Unit RC-GX
Control Glow in Dark Remocon No
Format NEC
Custom Code 40-BF h
Power Source Voltage(D.C) 3V
UM size x pcs UM-4 x 2 pcs
Total Keys 34 Keys
Keys Power Yes
1/Rename Yes
2/Move Yes
3 Yes
4 Yes
5 Yes
6 Yes
7 Yes
8 Yes
9 Yes
0 Yes
Volume Up / + Yes
Volume Down / - Yes
Previous Yes
Select Picture Yes
Menu Yes
OK(Enter) Yes
EXIT Yes
Audio Select No
On/OffTimer Yes
Mute Yes
DSP/surround/Virtual Dolby No
Woofer/Bass No
Picture Size No
T'TEXT Keys TEXT / MIX / TV Yes
CH Up / Page Up Yes
CH Down / Page Down Yes
Red Yes
Green Yes
Yellow Yes
Cyan Yes
TEXT F/T/B Yes
Reveal Yes
TIMED PAGE(SUB PAGE) Yes
CALL / TEXT INDEX Yes
INPUT SELECT Yes
TEXT HOLD Yes
TIME / TXCL Yes
A3-3

GENERAL SPECIFICATIONS
G-11 Features Auto Degauss Yes
Auto Shut Off Yes
Canal+ No
CATV No
Anti-theft(Back Up 30 Min.) No
Memory(Last CH) Yes
Memory(Last Volume) Yes
BBE No
Auto Search No
ITS Yes
CH Allocation No
CH MAPPING Yes
Just Clock Function No
Game Position No
CH Label No
VM Circuit No
Full OSD No
Noise Blue Back No
T'Text Yes
Text type Fastext
Text Language English , French, Swedish, Hungarian
Finnish, Turkish, German, Dutch
Portuguese, Spanish, Italian, Greek
Polish, Russian, Bulgarian, Czech
Slovak, Romanian, Slovenian
Croatian, Yugoslavian
Premiere No
Comb Filter No
Lines
Auto CH Memory No
Stable Sound No
Auto Set Up No
Protect of FBT Leak Circuit Yes
Power ON Memory Yes
Previous (Quick View) Yes
Panel Lock Yes
Double Focus & Dynamic Focus No
Wss Signal Wide Change No
Virtual Dolby Surround No
Hotel Lock No
G-12 Accessories Owner's Manual Language Germany,Dutch,Italian
w/Guarantee Card No
Buyer Model No. 15V31D x
Remote Control Unit Yes
Rod Antenna Yes
Poles 2Pole
Terminal D-type
Loop Antenna No
Terminal -
U/V Mixer No
DC Car Cord (Center+) No
Guarantee Card No
Warning Sheet No
Circuit Diagram No
Antenna Change Plug No
Service Facility List No
Important Safeguard Yes (Owner's Manual In)
Dew/AHC Caution Sheet No
AC Plug Adapter No
Quick Set-up Sheet Yes
Battery Yes
UM size x pcs UM-4 x 2 pcs
OEM Brand No
AC Cord No
AV Cord (2Pin-1Pin) No
Registration Card Yes
PTB Sheet No
300 ohm to 75 ohm Antenna Adapter No
A3-4

GENERAL SPECIFICATIONS
G-13 Interface Switch Front Power (Tact Sw) No
System Select No
Main Power SW Yes
Sub Power No
Channel Up Yes
Channel Down Yes
Volume Up Yes
Volume Down Yes
Rear AC/DC No
TV/CATV Selector No
Degauss No
Main Power SW No
Indicator Power No
Stand-by No
Stand-by/ON Yes(Red)
On Timer Yes(Green)
Terminals Front Video Input Yes
Audio Input Yes
Other Terminal Head Phon(MONO)
Rear Video Input(Rear1) No
Video Input(Rear2) No
Audio Input(Rear1) No
Audio Input(Rear2) No
Video Output No
Audio Output No
Euro Scart(21Pin) No
S-INPUT
Euro Scart(21Pin) Yes ( x1 )
RGB-INPUT Yes ( x1 )
Component Input No
Diversity No
Ext Speaker No
DC Jack 12V(Center +) No
VHF/UHF Antenna Input D Type
AC Outlet No
G-14 Set Size Approx. W x D x H (mm) 366 x 396.7 x 373
G-15 Weight Net (Approx.) 11 .0 kg ( --- lbs)
Gross (Approx.) 13.0kg ( ---lbs)
G-16 Carton Master Carton No
Content --- Sets
Material --- / ---
Dimensions W x D x H(mm) ---
Description of Origin ---
Gift Box Yes
Material Double/Brown
Dimensions W x D x H(mm) 440 x 472 x 457
Design As per Buyer's
Description of Origin No (Assembled in UK)
Buyer Model No. 15V31D
Drop Test Natural Dropping At 1
C
orner / 3 Edges / 6
Su
rf
aces
Height (cm) 62
Container Stuffing 655 Sets/40' container
G-17 Material Cabinet Front PS 94HB
Rear PS 94V0 NON-HALOGEN
Holder PS 94V0 NON-DECABROM
PCB Non-Halogen Demand Yes
Eyelet Demand Yes
G-18 Environment Pb Free Lead-free Solder No
Other No
Cd Free No
A3-5

1. REMOVAL OF ANODE CAP
Read the following NOTED items before starting work.
After turning the power off there might still be a potential
voltage that is very dangerous. When removing the
Anode Cap, make sure to discharge the Anode Cap's
potential voltage.
Do not use pliers to loosen or tighten the Anode Cap
terminal, this may cause the spring to be damaged.
*
*
REMOVAL
1. Follow the steps as follows to discharge the Anode Cap.
(Refer to Fig. 1-1.)
Connect one end of an Alligator Clip to the metal part of a
flat-blade screwdriver and the other end to ground.
While holding the plastic part of the insulated Screwdriver,
touch the support of the Anode with the tip of the
Screwdriver.
A cracking noise will be heard as the voltage is discharged.
Flip up the sides of the Rubber Cap in the direction of the
arrow and remove one side of the support.
(Refer to Fig. 1-2.)
2.
DISASSEMBLY INSTRUCTIONS
GND on the CRT
Screwdriver
Alligator Clip
Support CRT
GND on the CRT
Rubber Cap
CRT Support
Fig. 1-1
Fig. 1-2
3. After one side is removed, pull in the opposite direction to
remove the other.
NOTE
Take care not to damage the Rubber Cap.
INSTALLATION
1. Clean the spot where the cap was located with a small
amount of alcohol. (Refer to Fig. 1-3.)
B1-1
Location of Anode Cap
Fig. 1-3
NOTE
Confirm that there is no dirt, dust, etc. at the spot where
the cap was located.
2.
3.
Arrange the wire of the Anode Cap and make sure the
wire is not twisted.
Turn over the Rubber Cap. (Refer to Fig. 1-4.)
Fig. 1-4
4. Insert one end of the Anode Support into the anode button,
then the other as shown in Fig. 1-5.
5.
6. Confirm that the Support is securely connected. Put on the Rubber Cap without moving any parts.
CRT Support Fig. 1-5

B2-1
Masking Tape
(Cotton Tape)
DISASSEMBLY INSTRUCTIONS
2.
REMOVAL
IC
Put the Masking Tape (cotton tape) around the Flat
Package IC to protect other parts from any damage.
(Refer to Fig. 2-1.)
1.
Fig. 2-1
NOTE
REMOVAL AND INSTALLATION OF
FLAT PACKAGE IC
Some ICs on the PCB are affixed with glue, so be
careful not to break or damage the foil of each IC
leads or solder lands under the IC when removing it.
NOTE
Masking is carried out on all the parts located within
10 mm distance from IC leads.
Blower type IC
desoldering machine
IC
Heat the IC leads using a blower type IC desoldering
machine. (Refer to Fig. 2-2.)
2.
Fig. 2-2
NOTE
Do not add the rotating and the back and forth
directions force on the IC, until IC can move back and
forth easily after desoldering the IC leads completely.
When IC starts moving back and forth easily after
desoldering completely, pickup the corner of the IC using
tweezers and remove the IC by moving with the IC
desoldering machine. (Refer to Fig. 2-3.)
3.
Blower type IC
desoldering
machine
IC Fig. 2-3
Tweezers
Peel off the Masking Tape.4.
Absorb the solder left on the pattern using the Braided
Shield Wire. (Refer to Fig. 2-4.)
5.
NOTE
Do not move the Braided Shield Wire in the vertical
direction towards the IC pattern.
Braided Shield Wire
Soldering Iron
Fig. 2-4
IC pattern

B2-2
DISASSEMBLY INSTRUCTIONS
Supply soldering
from upper position
to lower position
IC
Supply the solder from the upper position of IC leads
sliding to the lower position of the IC leads.
(Refer to Fig. 2-6.)
2.
Fig. 2-6
Soldering IronSolder
IC
Absorb the solder left on the lead using the Braided
Shield Wire. (Refer to Fig. 2-7.)
3.
Fig. 2-7
Soldering Iron
Braided Shield Wire
NOTE
Do not absorb the solder to excess.
IC
When bridge-soldering between terminals and/or the
soldering amount are not enough, resolder using a Thin-
tip Soldering Iron. (Refer to Fig. 2-8.)
4.
Fig. 2-8
Thin-tip Soldering Iron
NOTE
When the IC leads are bent during soldering and/or
repairing, do not repair the bending of leads. If the
bending of leads are repaired, the pattern may be
damaged. So, be always sure to replace the IC in this
case.
Finally, confirm the soldering status on four sides of the
IC using a magnifying glass.
Confirm that no abnormality is found on the soldering
position and installation position of the parts around the
IC. If some abnormality is found, correct by resoldering.
5.
Solder temporarily
Soldering Iron
INSTALLATION
Take care of the polarity of new IC and then install the
new IC fitting on the printed circuit pattern. Then solder
each lead on the diagonal positions of IC temporarily.
(Refer to Fig. 2-5.)
1.
Fig. 2-5
Solder temporarily

C-1
SERVICE MODE LIST
This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily.
To enter the Service Mode, press both set key and remote control key for more than 2 seconds.
Set Key Remocon Key Operations
VOL. (-) MIN 0 Reset the user setting items (PICTURE, VOLUME and LANGUAGE) to the initial state
for delivery.
VOL. (-) MIN 1
Initialization of the factory.
NOTE: Do not use this for the normal servicing.
If you set a factory initialization, the memories are reset such as the
channel setting, and the POWER ON total hours.
VOL. (-) MIN 6
POWER ON total hours is displayed on the screen.
Refer to the "CONFIRMATION OF HOURS USED".
Can be checked of the INITIAL DATA of MEMORY IC.
Refer to the "WHEN REPLACING EEPROM (MEMORY) IC".
VOL. (-) MIN 8Writing of EEPROM initial data.
NOTE: Do not use this for the normal servicing.
VOL. (-) MIN Display of the Adjustment MENU on the screen.
Refer to the "ELECTRICAL ADJUSTMENT" (On-Screen Display Adjustment).
9
If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to
ensure correct data settings while making reference to TABLE 1.
WHEN REPLACING EEPROM (MEMORY) IC
Table 1
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
The unit will now have the correct DATA for the new MEMORY IC.
Enter DATA SET mode by setting VOLUME to minimum.
Press both VOL. DOWN button on the set and Channel button (6) on the remote control for more than 2 seconds.
ADDRESS and DATA should appear as FIG 1.
ADDRESS is now selected and should "blink". Using the VOL. +/- button on the remote, step through the ADDRESS until
required ADDRESS to be changed is reached.
Press OK to select DATA. When DATA is selected, it will "blink".
Again, step through the DATA using VOL. +/- button until required DATA value has been selected.
Pressing OK will take you back to ADDRESS for further selection if necessary.
Repeat steps 3 to 6 until all data has been checked.
When satisfied correct DATA has been entered, turn POWER off (return to STANDBY MODE) to finish DATA input.
After the data input, set to the initializing of shipping.
Turn POWER on.
Press both VOL. DOWN button on the set and Channel button (1) on the remote control for more than 2 seconds.
After the finishing of the initializing of shipping, the unit will turn off automatically.
NOTE: No need setting for after INI 16 due to the adjustment value.
CONFIRMATION OF HOURS USED
POWER ON total hours can be checked on the screen. Total hours are displayed in 16 system of notation.
NOTE: If you set a factory initialization, the total hours is reset to "0".
1.
2.
3.
Set the VOLUME to minimum.
Press both VOL. DOWN button on the set and Channel
button (6) on the remote control for more than 2 seconds.
After the confirmation of using hours, turn off the power.
ADDRESS DATA
INIT 01 00
CRT ON 0010
FIG. 1
Initial setting content of MEMORY IC.
POWER ON total hours.
= (16 x 16 x 16 x thousands digit value)
+ (16 x 16 x hundreds digit value)
+ (16 x tens digit value)
+ (ones digit value)
---
+0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +A +B +C +D +E +F
INI
10
00 00 00 00 00 61 80 60 68 40 27 07 03 00
--- ---
10 80 80 8000
06 73
BC 00 --- --- --- --- --- --- ---

ELECTRICAL ADJUSTMENTS
D-1
2. BASIC ADJUSTMENTS
2-1: CONSTANT VOLTAGE
1.
2.
3.
4.
Place the set with Aging Test for more than 5 minutes.
Connect the digital voltmeter to TP501.
Set condition is AV MODE without signal.
Adjust the VR501 until the DC voltage is 117 ±0.5V.
1. ADJUSTMENT PROCEDURE
Read and perform these adjustments when repairing the
circuits or replacing electrical parts or PCB assemblies.
CAUTION
•
•
•
•
Use an isolation transformer when performing any
service on this chassis.
Before removing the anode cap, discharge electricity
because it contains high voltage.
When removing a PCB or related component, after
unfastening or changing a wire, be sure to put the wire
back in its original position.
When you exchange IC and Transistor for a heat sink,
apply the silicon grease on the contact section of the
heat sink. Before applying new silicon grease, remove all
the old silicon grease. (Old grease may cause damage
to the IC and Transistor).
1. Oscilloscope
2. Digital Voltmeter
3. Pattern Generator
Prepare the following measurement tools for electrical
adjustments.
2-2: VCO
1.
2.
3.
4.
5.
6.
Place the set with Aging Test for more than 10 minutes.
Connect the oscillator (38.9MHz) to TP001.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (13) on the remote control to
select "VCO COARSE".
Press the VOL. +/- button on the remote control until
the "OK" appear on the screen. If the "OK" is not
displayed, select the "+" side on the changed from "+"
to "-".
Press the Page UP button once to set to "VCO FINE"
mode.
Press the VOL. +/- button on the remote control to
select the 5 step down point from the upper limit on the
"OK".
(Example: In case of the "OK" range 30~41, select 36.)
On-Screen Display Adjustment
1. In the condition of NO indication on the screen.
Press the VOL. DOWN button on the set and the
Channel button (9) on the remote control for more than
2 seconds to appear the adjustment mode on the
screen as shown in Fig. 1-1.
2.
3.
Use the Channel button (0-9) or Channel UP/DOWN
button on the remote control to select the options
shown in Fig. 1-2.
Press the MENU button on the remote control to end
the adjustments.
NO.
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
FUNCTION
CUT OFF
RF AGC
AGC GAIN
R DRIVE
R CUTOFF
G DRIVE
G CUTOFF
B DRIVE
H POSI (50)
V POSI (50)
V POSI (60)
V SIZE (50)
V SIZE (60)
VCO COARSE
VCO FINE
VCO COARSE L1
VCO FINE L1
BRIGHT CENT
BRIGHT MAX
BRIGHT MIN
NO.
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
FUNCTION
TINT
SHARP
CONTRAST CENT
CONTRAST MAX
CONTRAST MIN
COLOR CENT
COLOR MAX
COLOR MIN
M R CUT OFF
M G CUT OFF
M B CUT OFF
CVBS OUT
APR THRESHOLD
BELL FILTER
BANDPASS
H POSI OSD
V POSI OSD
H POSI TEXT
V POSI TEXT
H POSI (60) Fig. 1-2
1.
2.
3.
4.
5.
Place the set with Aging Test for more than 15 minutes.
Receive the UHF (63 ±1dB).
Connect the digital voltmeter to pin 5 of CP101.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (01) on the remote control to
select "RF AGC".
Press the VOL. +/- button on the remote control until the
digital voltmeter is 2.5 ±0.05V.
2-3: AGC VOLTAGE
2-4: CUT OFF
1.
2.
3.
4.
5.
Set condition is AV MODE without signal.
Using the remote control, set the brightness and
contrast to normal position.
Place the set with Aging Test for more than 15 minutes.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (00) on the remote control to
select "CUT OFF".
Adjust the Screen Volume until a dim raster is obtained.
2-5: WHITE BALANCE
NOTE: Adjust after performing CUT OFF adjustment.
1.
2.
3.
4.
5.
6.
7.
Place the set with Aging Test for more than 15 minutes.
Receive the gray scale pattern from the Pattern
Generator.
Using the remote control, set the brightness and
contrast to normal position.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (03) on the remote control to
select "R DRIVE".
Press the Page UP/DOWN button on the remote control
to select the "R DRIVE", "G DRIVE", "M R CUTOFF" or
"M G CUTOFF".
Adjust the VOL. +/- button on the remote control to
whiten the R DRIVE, G DRIVE, M R CUT OFF, and M G
CUT OFF at each step tone sections equally.
Perform the above adjustments 5 and 6 until the white
color is looked like a white.
Fig. 1-1
9- EXT VCO Status -
MMM
35 H POSI OSD
36 V POSI OSD
37 H POSI TEXT
38 V POSI TEXT
39 H POSI 60
00 CUT OFF
120
57
119
57
34

ELECTRICAL ADJUSTMENTS
D-2
Receive a 70dB monoscope pattern.
Turn the Focus Volume fully counterclockwise once.
Adjust the Focus Volume until picture is distinct.
2-6: FOCUS
1.
2.
3.
2-7: HORIZONTAL POSITION
1.
2.
3.
4.
5.
6.
7.
8.
Receive the monoscope pattern from the Pattern
Generator.
Using the remote control, set the brightness and
contrast to normal position.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (08) on the remote control to
select "H POSI (50)".
Press the VOL. +/- button on the remote control until
the SHIFT quantity of the OVER SCAN on right and left
becomes minimum.
Receive the monoscope pattern of NTSC. (Audio Video
Input)
Using the remote control, set the brightness and
contrast to normal position.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (39) on the remote control to
select "H POSI (60)".
Press the VOL. +/- button on the remote control until
the SHIFT quantity of the OVER SCAN on right and left
becomes minimum.
Receive the monoscope pattern from the Pattern
Generator.
Using the remote control, set the brightness and
contrast to normal position.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (11) on the remote control to
select "V SIZE (50)".
Adjust by using the VOL. +/- button on the remote
control so that the Up/Down OVER SCAN Quantity
becomes equal to the Right/Left OVER SCAN Quantity.
Receive a broadcast and check if the picture is normal.
Receive the monoscope pattern of NTSC. (Audio Video
Input)
Using the remote control, set the brightness and
contrast to normal position.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (12) on the remote control to
select "V SIZE (60)".
Adjust by using the VOL. +/- button on the remote
control so that the Up/Down OVER SCAN Quantity
becomes equal to the Right/Left OVER SCAN Quantity.
2-8: VERTICAL SIZE
1.
2.
3.
4.
5.
6.
7.
8.
9.
Receive the monoscope pattern from the Pattern
Generator.
Using the remote control, set the brightness and
contrast to normal position.
Adjust the VR401 until the horizontal line becomes fit to
the notch of the shadow mask.
Adjust the VR420 until the SHIFT quantity of the OVER
SCAN on upside and downside becomes minimum.
2-9: VERTICAL POSITION/VERTICAL LINEARITY
1.
2.
3.
4.
2-10: BRIGHT CENT
1.
2.
3.
4.
5.
6
7.
Receive the PAL black pattern*. (RF Input)
Using the remote control, set the brightness and
contrast to normal position.
Place the set with Aging Test for more than 15 minutes.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (17) on the remote control to
select "BRIGHT CENT".
Press the VOL. +/- button on the remote control until
the screen begin to shine.
Receive the PAL black pattern*. (Audio Video Input)
Set to the AV mode. Then perform the above
adjustments 2~5.
*The Black Pattern means the whole black raster signal.
Select the "RASTER" of the pattern generator, set to
the OFF position for each R, G and B.
2-11: CONTRAST CENT
1.
2.
3.
4.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (22) on the remote control to
select "CONTRAST CENT".
Press the VOL. +/- button on the remote control until
the contrast step No. becomes "30".
Receive a broadcast and check if the picture is normal.
Set to the AV mode. Then perform the above
adjustments 1~3.
2-12: COLOR CENT
1.
2.
3.
4.
5.
6.
7.
8.
Receive the PAL color bar pattern. (RF Input)
Using the remote control, set the brightness, contrast
and color to normal position.
Connect the oscilloscope to TP022.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (25) on the remote control to
select "COLOR CENT".
Adjust the VOLTS RANGE VARIABLE knob of the
oscilloscope until the range between white 100% and
0% is set to 5 scales on the screen of the oscilloscope.
Press the VOL. +/- button on the remote control until
the red color level is adjusted to 85 ±10% of the white
level. (Refer to Fig. 2-1)
Receive the PAL color bar pattern. (Audio Video Input)
Set to the AV mode. Then perform the above
adjustments 2~6.
Fig. 2-1
85% 100%

ELECTRICAL ADJUSTMENTS
D-3
2-13: TINT
1.
2.
3.
4.
5.
Receive the NTSC color bar pattern. (Audio Video Input)
Using the remote control, set the brightness and contrast
to normal position.
Connect the oscilloscope to TP024.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (20) on the remote control to
select "TINT".
Press the VOL. +/- button on the remote control until the
section "A" becomes a straight line. (Refer to Fig. 2-2)
Fig. 2-2
"A"
2-14: Confirmation of Fixed Value (Step No.)
Please check if the fixed values of each the adjustment
items are set correctly referring below.
NO.
02
04
06
07
09
10
18
19
20
21
23
24
26
27
30
31
32
33
34
35
36
37
38
FUNCTION
AGC GAIN
R CUTOFF
G CUTOFF
B DRIVE
V POSI (50)
V POSI (60)
BRIGHT MAX
BRIGHT MIN
TINT
SHARP
CONTRAST MAX
CONTRAST MIN
COLOR MAX
COLOR MIN
M B CUT OFF
CVBS OUT
APR THRESHOLD
BELL FILTER
BANDPASS
H POSI OSD
V POSI OSD
H POSI TEXT
V POSI TEXT
RF
00
00
00
45
08
08
30
13
32
02
40
10
50
10
127
31
00
00
00
125
50
122
58
AV
---
---
---
---
---
---
30
13
ADJ.
02
40
10
50
10
---
---
---
---
---
---
---
---
---
*To check for the fixed values of the RF (60Hz), indicate
the adjustment mode screen while input the 60Hz video
signal.

ELECTRICAL ADJUSTMENTS
D-4
3.
1.
2.
3.
1.
2.
3.
4.
5.
6.
7.
8.
3-2: PURITY
NOTE
Adjust after performing adjustments in section 3-1.
1.
2.
3.
4.
5.
Receive the green raster pattern from color bar
generator.
Adjust the pair of purity magnets to center the
color on the screen.
Adjust the pair of purity magnets so the color at the
ends are equally wide.
Move the deflection yoke backward (to neck side)
slowly, and stop it at the position when the whole
screen is green.
Confirm red and blue colors.
Adjust the slant of the deflection yoke while watching the
screen, then tighten the fixing screw.
DEFLECTION YOKE
DEFLECTION YOKE SCREW
MAGNET SCREW
PURITY MAGNETS
6 POLE MAGNETS
4 POLE MAGNETS
Fig. 3-1
PURITY AND CONVERGENCE
ADJUSTMENTS
NOTE
NOTE
3-1: STATIC CONVERGENCE (ROUGH ADJUSTMENT)
Tighten the screw for the magnet. Refer to the adjusted
CRT for the position. (Refer to Fig. 3-1)
If the deflection yoke and magnet are in one body,
untighten the screw for the body.
Receive the green raster pattern from the color bar
generator.
Slide the deflection yoke until it touches the funnel
side of the CRT.
Adjust center of screen to green, with red and blue on the
sides, using the pair of purity magnets.
Switch the color bar generator from the green raster
pattern to the crosshatch pattern.
Combine red and blue of the 3 color crosshatch pattern
on the center of the screen by adjusting the pair of
4 pole magnets.
Combine red/blue (magenta) and green by adjusting the
pair of 6 pole magnets.
Adjust the crosshatch pattern to change to white
by repeating steps 6 and 7.
Turn the unit on and let it warm up for at least 30
minutes before performing the following adjustments.
Place the CRT surface facing east or west to reduce the
terrestrial magnetism.
Turn ON the unit and demagnetize with a Degauss Coil.
Adjust after performing adjustments in section 3-2.
3-3: STATIC CONVERGENCE
1.
2.
3.
3-4: DYNAMIC CONVERGENCE
NOTE
Adjust after performing adjustments in section 3-3.
1.
2.
Adjust the differences around the screen by moving
the deflection yoke upward/downward and right/left.
(Refer to Fig. 3-2-a)
Insert three wedges between the deflection yoke and
CRT funnel to fix the deflection yoke.
(Refer to Fig. 3-2-b)
R G B
R
G
B
Fig. 3-2-a
WEDGE WEDGE
WEDGE
WEDGE POSITION
Fig. 3-2-b
R G B
R
G
B
UPWARD/DOWNWARD SLANT RIGHT/LEFT SLANT
Receive the crosshatch pattern from the color bar
generator.
Combine red and blue of the 3 color crosshatch pattern
on the center of the screen by adjusting the pair of
4 pole magnets.
Combine red/blue (magenta) and green by adjusting the
pair of 6 pole magnets.

D-5
ELECTRICAL ADJUSTMENTS
4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION)
MAIN PCB
TU001
CP101
J702
VR420
CP401
OS101
CP1002
VR401
CP802A
FB401
CP502
J701
CD802
J704
J703
CP803A
CP803B
TP024
TP022
J801 CP806
CP802B
R805
R803
CP801
SPEAKER
CRT
CD803
CP501
TP501 R521
CRT PCB
DEGAUSS COIL
W855
TP001
VR501
AC IN
CD501
CD801
CRT

MEMORY IC
IC199
S-24C16AFJA-TB-01
AUDIO SW IC
IC701 MM1501XNRE
MICON W/T.TEXT IC
IC101 OECF013B
CHROMA IC
IC201 STV2246H V-DRIVE IC
IC401 TDA8174A
TU001
FB401
CVBSOUT1
XTAL2
29
39
VCC_IF
VCC_D
53
12
OSD-R
36
XTAL140
VCC1
VCC2
17
45
OSD-G
35
OSD-B
34
FM_OUT
11
7 154 11
SCL SDA BPL AGC IF
768
I2C
P.CON+5V
SDA 19
OSD-B
OSD-G 16
15
SCL 20
OSD-R
CVBS2 33
17
CVBS1 34
SDA
5
SCL
6
31
39
1
25
50
STANDBY LED
AVDD1
AVDD2
ON_TIMER
AVDD3
REMORT
OSC_OUT
51 OSC_IN
X602
3.579545MHz X601
4.433619MHz
RF_AGC_OUT
PIFIN1
PIFIN2
VERT 47
SDA
H_OUT 48
52
SCL 51
B.OUT
G.OUT 31
30
R.OUT 32
P.CON+5V
P.CON+8V
3TRIGGER INPUT
10
1
Vs
POWER OUTPUT
P.CON+25V
Q806
BLUE AMP
Q805
GREEN AMP
Q804
RED AMP
J801
9
3
7
F
8
Q402
H.DRIVE
Q401
H.OUTPUT
I2C
DY
1
F
S
2
3
HV
+B
P.CON+25V
CRT
V801
56
KEY_IN VOL DOWN
VOL UP
AV1 42
J701
3
1
2
6
8
19
20
VIDEO OUT
VIDEO IN
R OUT
L OUT
6
IN2 4
1
2
IN1
OUT
SW
R IN
L IN
FOR VCR
16
26
27
25
28
21-Y IN
11
7
15
21-B IN
21-G IN
21-R IN
BLK_EXT
G_EXT/Y_EXT
R_EXT/V_EXT
B_EXT/U_EXT
1
3
2
1
3
2
FRONT VIDEO
J703
FRONT AUDIO L
J704
BLOCK DIAGRAM
9
CH UP
CH DOWN
49
X101
4MHz
STAND BY/P.ON
D101
ON TIMER
D103
Q103
LED DRIVE
Q102
LED DRIVE
AT+5V
1
OS101
53
FORTHD VCR1
EXT_AUDIO_IN
14
AUDIO_OUT
55
Q204
SIF BUFFER
Q703
BUFFER
INT_CVBS_OUT 13
CVBSIN2 20
Y/CVBS_IN3 22
SW TRANS
T501
5
12
9SOUND+B
15
+B
P.CON+8V
D
Q501
POWER
16 AT+5V
P.CON+5V
2
5
1
HEADPHONE JACK
J702
SPEAKER
SP353
SOUND AMP IC
IC1002
AN5276 57
+
+ -
10
VCC
SOUND+B
E-1 E-2

ABC D E F GH
ABC D E F GH
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
R003
270 1/4W
R125 4.7K
R005
82K
R006
15K
R110
5.6K
R004
270 1/4W
R122
4.7K
R151
4.7K
R147 1.2K 1/4W
R143 1.5K
R142 2.2K
R146 1.8K 1/4W
R141 2.2K
R140 2.2K
R144 1.8K 1/4W
R145 1.8K 1/4W
R126
47
R116
10K
R133
10K
R123
10K
R124
10K
R131
100K
R109
2.2K 1/4W
R120
4.7K
R107 1K
R115 4.7K
R114 4.7K
R134
10K
R152
100 1/4W
R148
10K
R137
180
R136
1.5K 1/4W
R111
15K
R108
270
R105
10K
R106
10K
R102
820
R103
1.2K
R104
2.2K
R101
390
R113
5.6K
R132
560
R112
1.5K 1/4W
R128
100
R129
100
R121
100 1/4W
C007
0.01 B
C140 220P CH
C129 220P CH
C132 30P CH
C104
0.0047 B
C111_1
0.47 F
C109
22P CH
C108
22P CH
C120_2
1B
C114
0.1 B
C112
82P CH
C103
22P CH
C106
0.022 B
C105
0.1 B
C101
68P CH
C102
0.1 B
C143
0.1 B
C126
100P CH
C125
100P CH
C127
100P CH
C128
150P CH
C118
0.1 B
C116
0.0047 B
C113
22P CH
C141 0.1 B
C119
0.1 B
C006
100P CH
C001 0.022 B
C139_1
0.47 F
W832
C003_1
150V KA
C115
22006.3V YK
C122
1016V KA
C121
1006.3V YK
C131
1016V KA
D108 1SS133
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
D102 MTZJ5.1B
D001 MTZJ33B
C002
4706.3V YK
X101
100CT4R013
4MHz
L001
10uH 0305
L102
10uH 0305
L101
10uH 0305
Q103
2SA1037AK
LED DRIVE
Q102
2SA1037AK
LED DRIVE
TU001 TUWRF4EG-778F2A
1
10
11
12 13 14 15
2 3 4 5 6
7
8 9
SW106
EVQ21505R
CH UP SW104
EVQ21505R
VOL DOWN
SW102
EVQ21505R
VOL UP
SW107
EVQ21505R
CH DOWN
IC199
S-24C16AFJA-TB-01
MEMORY IC
1234
5678
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME :SINCE THESE PARTS MARKED BY
CAUTIONDESCRIBED IN PARTS LIST ONLY
CRITICAL FOR SAFETY,USE ONES ARE
DANS LA NOMENCLATURE DES PIECES
N’UTILISER QUE CELLS DECRITES
DANGEREUSES AN POINT DE VUE SECURITE
:LES PIECES REPAREES PAR UN ETANT
ATTENTION
CP001
003P-2100
CP101
06JQ-ST
1
2
3
4
5
6
Vout B+ GND
OS101
RPM7138-H5
1 2 3
IC102
PST3231NR
RESET IC
123
4 5
IC101 OECF013B
MICON W/T.TEXT IC
110111213141516171819 2202122232425262728
29
3
30 31 32 33 34 35 36 37 38 39
4
40 41 42 43 44 45 46 47 48 49
5
50 51 52 53 54 55 56
6
789
D101
SLR-342VCT32
STAND BY/P.ON
D103
LTL-1CHGE-002A
ON TIMER
TM101
RC-GX010
BT001
R03(AB)2PXGPI
UM-4
BT002
R03(AB)2PXGPI
UM-4
ANT001
T4-216AP-BK
P.CON+5V
TUNER_BT
P.FAIL
GND
AT+5V_AVDD
AT+5V_DVDD
DEGAUSS
POWER
EMERGENCY
RF_AGC
IF
OSD_B
OSD_G
OSD_R
OSD_FB
CVBS_TXT
V_OUT
PROTECT
H_CONT
SCL
SDA
A_MUTE
AFC
PROTECT
AV1
FORTHD_VCR_1
PCB010
TMC572
9
5
6
NC NC NC NC
NC
NC
NC
NC
NC
3
2
FROM/TO DEFLECTION/CRT
FROM/TO 21PIN/AV SW
FROM/TO POWER
GND
NC
I2C_SCL
I2C_SDA
I2C_OFF
RF_AGC
TEST POINT
NC
4
4.9 0 4.9
IF BTL BPL V.S SDA SCL ADRES AGC
NC
NC
NC
4.9
4.9
2.3
4.9
2.0
4.9
2.1 4.8
1.6
4.9
4.9
4.9
0.2
0.2
0.7
4.9
4.8
4.9
4.9
4.9
RED
03.1
GREEN
NC
NC
1
FROM/TO IF/CHROMA
NC
NC
NC
NC
NC
CVBS1
AV2
AV1
V_SYNC
AVDD1
H_SYNC
GND
CVBS2
MCFM
TEST0
AVDD3
VPP
WSCF
JTDO
VDD
SCL
SDA
OSD_FB
OSD_R
OSD_G
OSD_B
STANDBY LED
POWER
I2C_OFF
DEGAUSS
AGND
POWER FAIL
(BBE-H)
PXFM
KEY_IN
TU/RGB
A MUTE
JTCK
JTRSTO
JTMS
CVBSO
AVDD2
OSC_OUT
OSC_IN
RESET
REMORT
TXCF
SECAM_VL_H
H_CONT
ON_TIMER
FORTHD VCR 2
FORTHD VCR 1
EMERGENCY
P4.6/PWM6
PROTECT
STEREO RESET
P3.5
P3.4
TUNER HI
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
ATS
0
VCC
MODE
SCL SDAVSS
E2 E1 E0
04.9
000
4.94.90
NC
NC
GND
RESET
VCC
NC
NC
0
0
3.6
3.7 4.90.0
2.2
0
0
0
0.5
4.6
0.5
1.4
1.2
4.8
1.4
1.3
0
0
NC
4.9
1.8
TO SOUND AMP
4.9
4.9
4.9 4.9
4.9 4.9 1.8 5.0
31.4
0
MICON/TUNER SCHEMATIC DIAGRAM
(MAIN PCB)
7
8
10
ACCESSORY
G-1
G-2

ABC D E F GH
ABC D E F GH
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
Q609
2SC2412K
BUFFER
Q201
KTC3881S-RTK
VIF PRE.AMP
Q601
2SC2412K
H CONT
Q204
2SC2412K
SIF BUFFER
L206
0.22uH
L203
2.2uH
L204
12uH
L207
10uH
OUTOUTGININ
CF202_1
K3953M
12345
CF201
TPS5.5MB-TF21
CF303
MKT40.4MA110P
CF204
MKT31.9MA110P
L202
3700005
VCO
1 2 34
6
R603
1K
R624
10K
R639
3.3K
R619
330K
R308
75 1/4W
R646
8.2K 1/4W
R218
150
R622 330K
R638
2.2K
R214
2.2K
R213
100 1/2W
R628
150
R629
150
R630
150
R636
47K
R604
100 1/4W
R606
100 1/4W
R641
1K
R608
47K
R215
6.8K
R202
270
R201
47
R219
1K
R217
1K
R206
1K
R645 2.2K R618
10K
R643
470
R607
22K
R601
220
R605
220
R626
10K 1/4W
R647
1K
R204
180
C620
0.1 B
C619
0.1 B
C618
0.1 B
C202
0.001 B
C604_1
1F
C633
0.01 B
C614_2
1B
C603_2
1B
C638
0.01 B C615_2
1B
C612
0.0015 B
C605_2
1B
C201
3P CH
C206_2
1B
C218
0.022 B C213_2
1B
C207_1
0.33 F
C205
0.001 B
C607_2 1 B
C602_1
1B
C210_2
1B
C212
0.01 B
C609
0.1 B
C215
0.1 B
C626
0.1 B
C221
0.1 B
C203
0.022 B
C204
0.001 B
C622
0.1 B
C623
0.1 B
C608
0.1 B
C616
0.0047 B
W839
W860
W859
W855
W823
C217
4716V YK
C635
1050V YK
C621
1016V KA
C611
3.350V KA
C610
1006.3V YK
C617
2.250V YK
C209
1016V KA
C613
47010V YK
C220
47010V YK
C634_1
1016V KANP
D604 11E1-EIC
D609 SB140-EIC
D601
1SS133
D603 1SS133
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
D605
MTZJ6.2B
X601
100CT4R408
4.433619MHz
X602
100CT3R509
3.579545MHz
L208
3.3uH 0305
L601
10uH 0305
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
IC201 STV2246H
CHROMA IC
1 101112131415161718192 20 21 22 23 24 25 26 27 28
29
3
30313233343536373839
4
40414243444546474849
5
50515253545556
6789
MONO_A_IN
MONO_A_OUT1
TUNER_V_OUT
EXT_A_IN
SCART_V_IN1
SCART_V_IN2/Y
21_B
21_G
21_R
21_Y
P.CON+5V
P.CON+8V
GND
G.OUT
R.OUT
B.OUT
VAMP
H_OUT
AFC
ABCL
V_OUT
CVBS_TXT
OSD_B
OSD_G
OSD_R
OSD_FB
PROTECT
H_CONT
V_OUT
SCL
SDA
RF_AGC
IF
PCB010
TMC572
NC
13
15
11
14
20
22
18
17
16
FROM/TO 21PIN/AV SW
8.2
3.9
8.2
NC
NCNC
ICATH
BLK_EXT
R_EXT/V_EXT G_EXT/Y_EXT B_EXT/U_EXT
APR CHR
Y/CVBS_IN3
PIF_LC2 PIF_LC1
INT_CVBS_OUT EXT_AUDIO_IN
VCC_IF(5V)
GND_IF
IFPLL
RF_AGC_OUT
PIFIN1
AGCPIF_CAP
VREF_IF
PIFIN2
(8V)
(8V)
(5V)
AGCSIFCAP
SIFIN2 SIFIN1FM_CAP
AUDIO_OUT GND_D VCC_D SDA SCL SLPF LBF/SSC H_OUT VERT BCL/SAF VCC1 CVBSOUT2 GND1 X1/VAMP/CHR_OUT CLPF XTAL1 XTAL2 XTAL3 OSD_BK OSD_R OSD_G OSD_B R.OUT G.OUT B.OUT
BS
CVBSIN2
GND2
CVBSIN1
VCC2
FM_OUT
CVBSOUT1
NC
2.5 2.5 3.0 3.2 2.8 2.5 2.5 1.4 2.1 0 4.0 5.0 3.5 2.1 3.9 3.9 8.0 3.7 0 3.2 2.7 3.2 1.7 1.9 2.5 2.5 2.5 0
2.32.32.34.0 3.84.002.91.51.52.45.004.48.05.65.70.90.74.15.104.01.9
4.5
FROM/TO DEFLECTION/CRT
7.0
1.5
IF/CHROMA SCHEMATIC DIAGRAM
3.3
(MAIN PCB)
0
0.4
0.9
5.1
4.0
FROM/TO MICON/TUNER
FROM POWER
4.9 4.9 4.0 4.5
TO SOUND AMP
12
24
23
21
19
G-3
G-4