Sony CFS-B31 User manual

Frequency range
CFS-B31:
European model
FM: 87.6-107 MHz
AM: 531-1,611 kHz
Italian model
FM: 87.5-108 MHz
AM: 531-1,611 kHz
CFS-B31L:
European model:
FM: 87.6-107 MHz
LW: 153-279 kHz
CFS-B31L:
East European model:
FM: 65-74 MHz
87,5-108 MHz
LW: 153-279 kHz
TF FM: 10.7 MHz
AM/LW: 450 kHz
Aerials
FM: Telescopic aerial
European, UK, Italian model:
AM/LW: Built-in ferrite bar aerial
East European model:
LW: Built-in ferrite bar aerial
Recording system
“track, 2 channel stereo
Frequency response
50-12,500 Hz
Photo : CFS-B31
JIL
AEP Model
CFS-B31/B31L
UK Model
CFS-B31
SPECIFICATIONS
Speakers
Full range: 10 cm (4 inches) dia. x 2,
cone type
Maximum power output
2.5W+2.5W
Output
Headphones jack, 16-68 ohms
inpedance
Power requirements
For radio cassette-corder:
European, East European model:
220-230 V AC, 50 Hz
United Kingdom model
230-240 V AC, 50 Hz
9V DC, six R20 (size D) batteries
For radio memory:
3 V DC, two R6 (size AA) batteries
Power consumption
10 W AC operation
Battery life
For radio cassette-corder:
Batteries FM recording | Playback
Sony approx. approx.
SUM-1(NS) | 18 hours 8 hours
Sony AM1 approx. approx.
alkaline 30 hours 20 hours
Model Name Using Similar Mechanism | CFS-B11
Tape Transport Mechanism Type
MF-200
For radio memory: approx. one year
Dimensions
Approx. 440 x 136.5 x 150.5 mm
(w/h/d)
(17 %x 5 %x 6 % inches) including
projecting parts
Mass
Approx. 2.8 kg (6 Ib 3 02) including
batteries
Accessory supplied
Mains lead (1)
Optional accessories
Sony “MDR” headphones series
Design and specifications are subject to
change without notice.
RADIO CASSETTE-CORDER
SONTY.

TABLE OF CONTENTS
Section Title Page
SECTION. 12 GENERAL e::oscSsicasivaeriscttig aural dimen 3
SECTION 2. DISASSEMBLY
Zale sFROMECaDINGt a casGietiach omsetinsate nina a rae Ameins 4
SECTION 3. MECHANICAL ADJUSTMENTS...............5 5
SECTION 4. ELECTRICAL ADJUSTMENTS ............00. 5
SECTION 5. DIAGRAMS
5-1. IC Pin Function
* 10901 WPD1724G LCD Drive/Control ...........c:ccceseeeeeees 8
5-23. -BlOCK DIAQIAMM wiessdsccccssvevccvetavabaaaea tedasasvestenssdeadiae sa daaveete 9
5-3. Printed Wiring Board — Tuner/LCD Section —...........0. 12
5-4. Schematic Diagram —Tuner/LCD Section —........ ee 15
5-5. Printed Wiring Board — Audio/Power Section —............. 18
5-6. Schematic Diagram — Audio/Power Section —............. 21
SECTION 6. EXPLODED VIEWS
6-1. Front Cabinet Section 0.0... cc ceeesteceesneceeseteeteeeeieeenes 24
6-2. Rear Cabinet Section ........ ccc cccscssessessecenseceneecereeseeeaes 25
6-3. Mechanism Deck Section 1 (MF-200) ........ccesceeseceeenreees 26
6-4. Mechanism Deck Section 2 (MF-200) .........cccccceeeeeee 27
SECTION 7. ELECTRICAL PARTS LIST.............:ccceee 28
SAFETY-RELATED COMPONENT WARNING !!
COMPONENTS IDENTIFIED BY MARK A\ OR DOTTED
LINE WITH MARK A\ ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
HOW TO CHANGED THE CERAMIC FILTERS
This model is used two ceramic filters of CF1 and CF2.
You must used same type of color marked ceramic filters in
order to meet same specifications.
Therefore, the ceramic filter must changed two pieces together
since it's supply two pieces in one package as a spare parts.

FUNCTION NAME
LOCATION CONTROL
O©®@
@) PHONES jack
(2) VOLUME knob
@ TONE knob
® MIC
© OPR/BATT indicator lights.
© FUNCTION switch
@ FM MODE/ISS button
(rear side)
11 PAUSE button
() m/& STOP/EJECT button
<< REW button
() »p» FF button
(2) < PLAY button
(3 @ REC button
ENTER button
(5) TUNING — button
TUNING + button
2 PRESET — button
PRESET + button
SECTION 1
GENERAL
OO O®@

SECTION 2
DISASSEMBLY
Note : Follow the disassembly procedure in the numerical order given.
2-1. FRONT CABINET
@ Three screws
(PTP3x30)
@ Push the EJECT
button
@ Connector
(CNP4)
@ Three screws
OF
(PTP3x30)
@ Connector
(CN2)
© Connector
(CN1)
@ Front cabinet

SECTION 3
MECHANICAL ADJUSTMENTS
PRECAUTION
1. Clean the following parts with a denatured-alcohol-
moistened swab :
record/playback head pinch roller
erase head rubber belts
capstan idlers
2. Demagnetize the record/playback head with a head
demagnetizer. (Do not bring the head demagnetizer close to
the erase head.)
3. Do not use a magnetized screwdriver for the adjustments.
4. After the adjustments, apply suitable locking compound to
the parts adjusted. ;
5. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.
1. Torque Measurement
| Mode Torque Meter Meter Reading
30 — 70 g*cm
Playback COA (0.42 — 0.97 oz « inch)
Pee ; C0-102C 1.5—5.5 g*cm
aceSIOu 2 (0.021 — 0.076 oz « inch)
60 — 130 g + cm
-201B '
2. Tape Tension Measurement
| Mode | Tension Meter Meter Reading
CQ-403A more than 100g (3.53 oz)
SECTION 4
ELECTRICAL ADJUSTMENTS
TAPE SECTION
1. The adjustments should be performed in the order given in
the service manual. (As a general rule. playback circuit
adjustment should be completed before performing
recording circuit adjustment.)
2. The adjustments should be performed for both L-CH and R-
CH unless otherwise indicated.
« Switch location
FUNCTION sjiscaiveissciteneare TAPE
VOLUME iccsusseressvsainitoatonne MAX
TON Be vesiteeiccretaneseatssatetnentvans HIGH
Standard Output Level
SP OUT
Output level 0.775V (0 dB)
Test Tape
| Type | Sonat | Useditor
WS-48B 3 kHz, 0 dB Tape Speed Adjustment
P-4-A063 6.3 kHz, -10 dB Head azimuth adjustment
0 dB =0.775 V
Tape speed adjustment
Procedure :
Mode : playback speed checker
LFM-30 or
test tape digital frequency
WS-48B
counter
(3 kHz, 0 dB) 32Q
phones jack
Adjustment Values :
Speed checker Digital frequency counter
Frequency difference between the beginning and the end of the
tape should be within 1.5% (45Hz).
Adjustment Location :
tape speed adjustment
countrol inside motor

Record/Playback Head Azimuth Adjustment
Procedure :
1. Mode : Playback
test tape
P-4-A063
(6.3 kHz, -10 dB) VTVM
ee jack
2. Turn the adjustment screw for the maximum output level. If
these levels do not match, turn the adjustment screw until
both of output levels match together within 2 dB.
L-CH
peak output
level
. ast
Screw
position
3. Phase Check
Mode : playback
test tape
P-4-A063
oscilloscope
(6.3 kHz, ~10 dB) L-CH
L-CH 320 |
phones jack RCH
inphase 45°
good
Adjustment Location :
adjustment screw
REC/PB head
TUNER SECTION
¢ Switch location
TONE sevcosscctetevorlreskecaeeens mechanical center
AM (LW) SECTION
BAND : AM (LW)
AM FF signal
generator
Put the lead-wire
Va antenna close to
the set.
C——
30% amplitued modulation
by 400 Hz signal.
Output level : as low as possible
FM SECTION
BAND : FM
FM RF signal
generator
0.01pF
| » telescopic
(oummeema
antenna
terminal
22.5 kHz frequency deviation by
400 Hz signal.
Output level : as low as possible VTVM
phones jack
* Repeat the procedures in each adjustment several times, and
the frequency coverage and tracking adjustments should be
finally done by the trimmer capacitors.

AM IF ADJUSTMENT
Adjust for a maximum reading on VT VM.
Adjust for a maximum reading on VTVM.
u
( ) : CFS-31L LW
Adjustment Location :
[TUNER BOARD] ( Component Side)
AM (LW) FREQUENCY
COVERAGE ADJUSTMENT
71
FM IF ADJUSTMENT
T3
POG
ee
ad
VCO Adjustment
Procedure :
FM
RF
signal
telescopic
generator
antenna
terminal
Carrier frequency : 98 MHz
Modulation : no modulation
Output level : 0.1V (100 dB)
1. Connect the frequency counter to @ and @ pins of IC1 as
shown the figure below.
2. Turn the set to 98 MHz.
3. Adjust RV1 for 76 kHz + 500 Hz reading on frequency
counter.
[TUNER BOARD] ( Component Side)
frequency
counter
25
FM FREQUENCY COVERAGE
ADJUSTMENT
ANT2
cTt }
FM FREQUENCY COVERAGE
ADJUSTMENT
L2
FM TRACKING ADJUSTMENT
L1
cre J
AM IF ADJUSTMENT
T2

SECTION 5
DIAGRAMS
5-1. IC PINFUNCTIONS
¢ 1C901 yPD1724G LCD DRIVE/CONTROL
Pinnon | PinName [vo [SSCS
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X’tal clock (75 kHz)
ee eres
| 32. | VREG Te Connect to capacitor (for X’tal voltage drive)
PAS hel
er Oe | ee
ac i
Connect to capacitor (for LCD voltage drive)
35 PAI rae
ne
PAO ade
37 — 39
40
4l
42 — 44
: i Manag =
PC3 | O | FM/AM (LW) band switch “H”=AM (LW) “L”=FM
pee
fc
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ee
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|
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e Abbreviation
IT: Italian model
EE : East European model

CFS-B31/B31L
5-2. BLOCK DIAGRAM
13
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5-3. PRINTED WIRING BOARD — TUNER/LCD SECTION —
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CFS-B31/B31L
5-4. SCHEMATIC DIAGRAM — TUNER/LCD SECTION —
* See page 8 for IC Pin Function. (IC901)
1 2 3 4 5 6 7 8 93 10 11 12 13 14 15 16 17 18
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CFS-B31/B31L
« Semiconductor
Location
Note:
5-5. PRINTED WIRING BOARD — AUDIO/POWER SECTION —
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[oPR/BATT]
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R313
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M901
MOTOR
FM:79mA
AM (LW) :76mA
PLAY: 1358A
REC: 168mA
FF:12350A
REW:125mA
TUNER/LCA ®-—
SECTION
I
I
|
| TOTAL CURRENT
I
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!
TI ae A eg a Lk acclaemeemeinieas, acad | emaeaiaeeee a
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cI
SP101
SPEAKER
L-CH
CNJ801
ARY BATTERY
S)ZE"C™
(18c DESIGNATION )
Ri4
éPcs. 3Vv
16 17 18
NOTE
*All capacitors are in pF unless otherwise noted. pF: pur
SOW or less are not indicated except for electralytics
and tantalums,
*All resistors ore in Q and 1/4W or less unless otherwise
specified,
* [__] :pane! designation,
Note:The components identified by mark AN or dotted
line with mark AXore critical for safety,
Replace only with port number specified,
¢ [Bt] :Bt Line,
¢ Voltages and waveforms are dc with respect to ground
under no-Ssignal conditions,
no mark: TAPE
( =): FM
¢Voltoges ore token with a VOM([nput impedance 10MQ).
Voltage variations may be noted due to normal produc-
tion tolerances,
* Total current is measured with no cossette instolled.
© Signal path,
:FM
2> :PB
>>> :REC
CFS-B31/B31L

NOTE:
e -XX, -X mean standardized parts, so they may
have some difference from the original one.
¢ Items marked “ * ” are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
* Color Indication of Appearance Parts Example:
KNOB, BALANCE (WHITE)... (RED)
t t
Parts color Cabinet’s color
6-1. FRONT CABINET SECTION
SECTION 6
EXPLODED VIEWS
e The mechanical parts with no reference number
in the exploded views are not supplied.
¢ Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
¢ Abbreviation
IT _ : Italian model
EE : East European model
The components identified by mark
A\ or dotted line with mark A\ are
critical for safety.
Replace only with part number
specified.
Remark
Description
X-3366-323-1 HANDLE (FRONT) ASSY (WHITE)
3-384-748-01 LID, BATTERY CASE (BLACK)
3-384-748-11 LID, BATTERY CASE (WHITE)
3-918-725-01 SHEET (CST WIND), ADHESIVE
SLP-181B-51 (TUNE)
1-810-851-11 DISPLAY PANEL, LIQUID CRYSTAL
1-504-269-21 SPEAKER (10CM) (B31)
1-504-727-11 SPEAKER (10CM) (B31L)
1-504-269-21 SPEAKER (10CM) (B31)
1-504-727-11 SPEAKER (10CM) (B31L)
Ref.No.
Part
No.
Description
Remark
|
Ref.No.
Part
No.
1
3-920-773-01
WINDOW,
CASSETTE
10
2
3-831-441-XX
SPACER
3
3-913-267-11
HOLDER,
CASSETTE
(BLACK)
11
3
3-913-267-21
HOLDER,
CASSETTE
(WHITE)
ll
4
3-922-546-01
WINDOW,
DIAL
12
*
13
3-922-549-01
RETAINER,
LCD
5
X-3370-267-1
CABINET
(FRONT)SUB
ASSY
(BLACK)
14
3-922-548-01
BUTTON
(CONTROL)
5
X-3370-268-1
CABINET
(FRONT)SUB
ASSY
(2B)
(WHITE)
6
3-356-157-01
DAMPER
D903
8-719-038-29
DIODE
7
3-384-771-01
SPRING
(CASSETTE)
NDU901
8
3-922-547-01
SPACER
SP101
SP101
*
9
A~3305-066-A
LCD
BOARD,
COMPLETE
(B31)
SP201
*
9
A-3305-228-A
LCD
BOARD,
COMPLETE
(B31L:AEP)
*
9
A-3305-229-A
LCD
BOARD,
COMPLETE
(B31L:EE)
SP201
10
X-3365-904-1
HANDLE
(FRONT)
ASSY
(BLACK)

6-2. REAR CABINET SECTION
73
The components identified by mark
A\ or dotted line with mark A\ are
critical for safety.
Replace only with part number
Description
BUTTON (PAUSE) (BLACK)
BUTTON (PAUSE) (WHITE)
BUTTON (STOP) (BLACK)
BUTTON (STOP) (WHITE)
BUTTON (FF) (BLACK)
BUTTON (FF) (WHITE)
BUTTON (REW) (BLACK)
BUTTON (REW) (WHITE)
BUTTON (FWD) (BLACK)
BUTTON (FWD) (WHITE)
BUTTON (REC) (BLACK)
BUTTON (REC) (WHITE)
POWER BOARD
A-3305-067-A AUDIO BOARD, COMPLETE
specified.
Ref.No. Part No.
51 3-913-261-11
51 3-913-261-21
52 3-913-258-11
52 3-913-258-21
53 3-913-260-11
53 3-913-260-21
54 3-913-259-11
54 3-913-259-21
55 3-913-257-11
55 3-913-257-21
56 3-913-262-11
56 3-913-262-21
* 57 1-655-557-11
x 58
59 3-379-431-01
59 3-379-431-1]1
* 60 3-911-281-01
* 61 3-384-758-01
62 3-384-768-01
63 3-384-769-01
* 64 3-384-767-01
* 65 3-924-120-01
KNOB (LEVER) (BLACK)
KNOB (LEVER) (WHITE)
CUSHION, MIC
BUTTON, BRACKET (MD)
TERMINAL (+), BATTERY
TERMINAL (-), BATTERY
TERMINAL, ANTENNA
LEVER (REC)
Remark
~— 74
Part No. Description Remark
3-922-551-01 TERMINAL (+), BATTERY
A-3305-065-A TUNER BOARD, COMPLETE (B31)
A-3305-069-A TUNER BOARD, COMPLETE (B31L: AEP)
A-3305-230-A TUNER BOARD, COMPLETE (B31L:EE)
3-922-550-01 SPRING (-), BATTERY COIL
3-923-981-01 CABINET (REAR) (BLACK) (B31)
3-923-981-11 CABINET (REAR) (WHITE) (B31)
3-923-981-21 CABINET (REAR) (BLACK) (B31L)
3-923-981-31 CABINET (REAR) (WHITE) (B31L)
3-379-419-01 KNOB (ROTARY) (BLACK)
3-379-419-11 KNOB (ROTARY) (WHITE)
3-831-441-XX SPACER
3-384-770-01 SPRING (+ -), BATTERY COIL
4-812-134-00 RIVET NYLON, 3.5
3-385-889-01 KNOB (ISS) (BLACK)
3-385-889-11 KNOB (ISS) (WHITE)
3-377-293-01 CUSHION, SARANET
1-533-217-31 HOLDER, FUSE
1-501-378-11 ANTENNA, TELESCOPIC
1-532-285-00 FUSE Tl. 25A/250V
1-542-118-11 MICROPHONE, ELECTRET CONDENSER (MIC)
1-450-492-11 TRANSFORMER, POWER

6-3. MECHANISM DECK SECTION 1
(MF-200)
Ref.No. Part No. Description
101 3-379-844-01 PLATE, STOP, FR
102 3-366-352-01 SCREW
103 3-362-980-01 WASHER
104 3-362-988-01 HOLDER, MOTOR
105 X-3363-315-1 GEAR, CAM
106 3-362-973-01 AS (BASE)
107 3-362-976-01 LEVER, CONTROL
108 3-362-977-01 SPRING
109 3-362-978-01 SPRING, PLATE
110 3-362-975-01 LEVER, SENSOR
lll 3-387-697-01 SENSOR
Remark | Ref. No.
Part No.
3-362-989-01
3-362-969-01
3-362-970-01
3-362-971-01
3-362-967-01
3-387-698-01
3-369-961-01
3-369-962-01
3-379-843-01
X-3366-491-1
1-572-304-11
a
Description Remark
BELT
IDLER ASSY, PF
SPRING
SPRING
SPRING, CASSETTE
FW ASSY
WASHER
SPRING, COMPRESSION
SPRING
MOTOR ASSY
SWITCH, LEAF

6-4. MECHANISM DECK SECTION 2
(MF-200)
FORMER TYPE
Part No.
3-372-120-01 SPRING
X-3363-611-1 REEL, S
3-362-962-01 REEL ASSY, T
3-362-960-01 PULLEY, IDLER
3-362-959-01 ARM, IDLER
3-362-965-01 IDLER, FF
3~362-961-01 SPINDLE (BASE)
3-362-958-01 SCREW
3-362-954-01 SPRING
3-362-955-01 SPRING
3-362-956-01 SPRING
3-362-957-01 SPRING
3-362-984-01 HEAD (BASE)
3-362-968-01 LEVER, EJECT
3-363-228-01 SPRING
3-362-966-01 INTER LOCK
3-363-229-01 SCREW
3-362-953-01 ARM, PAUSE
3-363-230-01 LUG
3-362-985-01 SPRING
Ref. No.
Te 3 2 3H 2 se *
-«
186
Part No.
3-362-986-01
3-362-983-01
3-362-982-01
3-362-981-01
3-362-952-01
3-362-942-01
3-362-950-01
3-362-951-01
3-362-944-01
3-362-945-01
3-362-941-01
3-362-943-01
3-362-946-01
3-362-947-01
3-362-948-01
3-362-949-01
3-917-805-01
87
HE901 1-500-031-11
HRP901 1-500-005-11 HEAD, MAGNETIC (RECORD/PLAYBACK)
Description Remark
HOLDER, HEAD
SPRING
PINCH ROLLER
PINCH ARM
LEVER, PAUSE
FRAME ASSY
LEVER, FF
LEVER, SE
STOPPER, REC
SPRING
CHASSIS
PLATE, FUNCTION
LEVER, S¥
LEVER, REC
LEVER, PLAY
LEVER, REW
SPRING
HEAD, MAGNETIC (ERASE)

The components identified by mark
A\ or dotted line with mark A\ are
critical for safety.
Replace only with part number
specified.
When indicating parts by reference
number, please include the board
name.
° Due to standardization, replacements in the parts
list may be different from the parts specified in
the diagrams or the components used on the set.
e -XX, -X mean standardized parts, so they may
have some difference from the original one.
¢ Items marked “*” are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
¢ RESISTORS
All resistors are in ohms
METAL: Metal-film resistor
SECTION 7
ELECTRICAL PARTS LIST
*« SEMICONDUCTORS
In each case, u: “ , for example:
uA...: WA..., UPA... wPA..., UPB...: “PB...
uPC...: “ZPC..., uPD...: w PD...
¢ CAPACITORS
uF: WF
¢ COILS
uH: “#H
« Abbreviation
IT: Italian model
EE: East European model
METAL OXIDE: Metal Oxide-film resistor
F : nonflammable
Ref.No. Part No. Description
x A-3305-067-A AUDIO BOARD, COMPLETE
KAKEEERERRK RRA ALEA EEE
* 3-377-293-01 CUSHION, SARANET
x 3-911-281-01 CUSHION, MIC
7-685-871-01 SCREW +BVIT 3X6 (S)
< CAPACITOR >
C101 1-124-903-11 ELECT luF
C102 1-162-827~11 CERAMIC 0. 0OluF
C103 1-124-902-00 ELECT 0. 47uF
C104 1-162-294-31 CERAMIC 0. 001uF
C105 1-162-286-31 CERAMIC 220PF
C106 1-124-443-00 ELECT 100uF
C107 ~=1-162-843-11 CERAMIC 0. 022uF
C108 1-124-902-00 ELECT 0. 47uF
C109 = 1-161-045-00 CERAMIC 0. 0033uF
C110 =. 1-162-848-11 CERAMIC 0. 022uF
C112 = 1-162-302-11 CERAMIC 0. 0022uF
C113 =: 1-124-443-00 ELECT 100uF
C114 = 1-104-664-11 ELECT ATuF
C115 1-130-497-00 MYLAR 0, i5uF
C116 =. 1-126-941-11 ELECT 470uF
C117. =: 1-162-286-31 CERAMIC 220PF
' €118 1-162-286-31 CERAMIC 220PF
C201 1-124-903-11 ELECT luF
C202 1-162-827-11 CERAMIC 0. 001uF
C203. 1-124-902-00 ELECT 0. 47uF
C204 1-162-294-31 CERAMIC 0. O01luF
C205 1-162-286-31 CERAMIC 220PF
C206 1-124-443-00 ELECT 100uF
C207 1-162-843-11 CERAMIC 0. 022uF
C208 1-124-902-00 ELECT 0. 47uF
C209 1-161-045-00 CERAMIC 0. 0033uF
C210 1-162-843-11 CERAMIC 0. 022uF
C212 = 1-162-302-11 CERAMIC 0. 0022uF
C213. = 1-124-443-00 ELECT 100uF
C214 =1-104-664-11 ELECT 4TuF
C215 1-130-497-00 MYLAR 0. 15uF
C216 1-126-941-11 ELECT 470uF
C217 1-162-286-31 CERAMIC 220PF
C218 1-162-286-31 CERAMIC 220PF
C301 1-162-843-11 CERAMIC 0. 022uF
20%
10%
20%
10%
10%
20%
10%
20%
10%
10%
30%
20%
20%
5%
20%
10%
10%
20%
10%
20%
10%
10%
20%
10%
20%
10%
10%
30%
20%
20%
5%
20%
10%
10%
10%
Remark | Ref. No.
50V
16V
50V
50V
10V
16V
50V
50V
16V
16¥
10V
10V
50V
6. 3V
50V
50V
50V
16V
50V
50V
50V
10V
16V
50V
50V
16V
16V
10V
10V
50V
50V
50V
16V
C302
C303
C304
C305
C306
C309
C310
C311
C312
C315
C316
C318
C319
C320
C341
C342
C343
(344
C346
C350
k CNP1
CNP2
CNP3
CNP4
D301
D303
D304
D305
D306
1C301
1302
J301
Part No.
1-124-907-11 ELECT
1-162-847-11 CERAMIC
1-104-663-11 ELECT
1-126-942-61 ELECT
1-126-233-11 ELECT
1-124-120-11 ELECT
1-162-294-31 CERAMIC
1-124-556-11 ELECT
1-164-097-11 CERAMIC
1-124-443-00 ELECT
1-164-097-11 CERAMIC
1-162-286-31 CERAMIC
1-162~-286-31 CERAMIC
1-162-286-31 CERAMIC
1-104-664-11 ELECT
1-130-477-00 MYLAR
1-162-301-11 CERAMIC
1-162-294-31 CERAMIC
1-104-665-11 ELECT
1-162-294-31 CERAMIC
Description
10uF
0. 047uF
33uF
1000uF
22uF
220uF
0. 001uF
2200uF
0. 022uF
100uF
0. 022uF
220PF
220PF
220PF
4TuF
0. 0033uF
0. 0015uF
0. 001uF
100uF
0. 001luF
< CONNECTOR >
20%
10%
20%
20%
20%
20%-
10%
20%
20%
10%
10%
10%
20%
5%
30%
10%
20%
10%
1-580-154-11 PIN, CONNECTOR (PC BOARD) 2P
1~506-986-11 PIN, CONNECTOR (PC BOARD) 4P
1-506-986-11 PIN, CONNECTOR (PC BOARD) 4P
1-506-986-11 PIN, CONNECTOR (PC BOARD) 4P
< DIODE
8-719-038-29 DIODE
8-719-987-63 DIODE
8-719-987-63 DIODE
8-719-109-93 DIODE
8-719-987-63 DIODE
< IC >
>
SLP-181B-51 (OPR/BATT)
1N4148M
1N4148M
RD6. 2ESB2
1N4148M
8-759-978-54 IC BA3420AL
8-759-246-03 IC TA8&229K
< JACK >
1-566-891-11 JACK (PHONES)
< MICROPHONE >
Remark
50V
16V
16V
16V
50V
25V
50V
16V
50V
10V
50V
50V
50V
50V
10V
50V
16V
50V
16V
bOV
MIC301 1-542-118-11 MICROPHONE, ELECTRET CONDENSER (MIC)

Ref.No.
Part
No.
Description
Remark
|
Ref.No.
Part
No.
Description
Remark
<
TRANSISTOR
>
<
VARIABLE
RESISTOR
>
Q301
8-729-194-57
TRANSISTOR
2SC945-P
RV301
1-238-431-11
RES,
VAR,
CARBON
20K/20K
(TONE)
Q302
8-729-119-76
TRANSISTOR
2SA1175-HFE
RV302
1-238-430-11
RES,
VAR,
CARBON
20K/20K
(VOLUME)
Q303
8-729-142-46
TRANSISTOR
2SC2001-LK
<
SWITCH
>
<
RESISTOR
>
$301 1-762-369-11 SWITCH, SLIDE (PB/REC)
R101
1-249~468-11
CARBON
82K
55%
1/4¥
$302
1-762-429-11
SWITCH,
LEVER
SLIDE
(FUNCTION)
R102
1-247-723-11
CARBON
6.8K
5%
1/4¥
F
$303.
1-571-547-11
SWITCH,
SLIDE
(FM
MODE/ISS)
R103 1-247-724-11 CARBON 8.2K 5% 1/4¥ F
R104
1-247-697-11
CARBON
56
5%
1/4¥
F
<
TRANSFORMER
>
R105 1-247-722-11 CARBON 5.6K 5% 1/4W¥ F
T301 1-433-268-00 TRANSFORMER, BIAS OSCILLATOR
R106 1-247-725-11 CARBON 10K 5% 1/4¥ F
R107
~=1-246-451-15
CARBON
120
5%
1/49
Pitti
ost
eset
etre
sts
s
sets
s
tists
tse
st
ests
sss
tes
etes sees seer
eee
es
|
R109 1-247-700-11 CARBON 100 5% 1/4 F
Rlll
=
1-247-700-11
CARBON
100
5%
1/4
F
x
A-3305-066-A
LCD
BOARD,
COMPLETE
(B31)
R112
1-247-700-11
CARBON
100
5%
1/4¥
F
KAKKKAKAAAKAK
ERK
ERE
RARER
R113:
1-247-700-11
CARBON
100
5%
1/4¥
F
*
A-3305-228-A
LCD
BOARD,
COMPLETE
(B31L:AEP)
R114
1-247-700-11
CARBON
100
5%
1/4¥
F
KKKKKKAEEKEARE
RARER
AREER
EKER
ES
R115 1-247-700-11 CARBON 100 5% 1/4¥ F
R201
1-249-468-1]1
CARBON
82K
5%
1/49
t
A-3305-229-A
LCD
BOARD,
COMPLETE
(B31L:EE)
R202
1-247-723-11
CARBON
6.8K
5%
1/4¥
F
EXEKKKAKEKEK
AKA
RAKAAK
KARE
ERK
R203
1-247-724-11
CARBON
8.2K
5%
1/4¥
F
3-922-548-01
BUTTON
(CONTROL)
R204
1-247-697-11
CARBON
56
5%
1/4¥
F
x
3-922-549-01
RETAINER,
LCD
R205 1-247-722-11 CARBON 5.6K 5% 1/4¥ F
R206
1-247-725-11
CARBON
10K
5%
1/4¥
F
<
CAPACITOR
>
R207 1-246-451-15 CARBON 120 5% 1/4¥
C901 1-136-177-00 FILM luF 5% 50V
R209
1-247-700-11
CARBON
100
5%
1/4¥
F
C902
1-162-306-11
CERAMIC
0.
OluF
30%
16V
R211
1-247-700-11
CARBON
100
5%
1/44
F
C903
1-162-203-31
CERAMIC
15PF
5%
50V
R212
1-247-700-11
CARBON
100
5%
1/44
F
C904
1-162-203-31
CERAMIC
15PF
5%
50V
R213
=1~247-700-11
CARBON
100
5%
1/4¥
F
C905
1-136-165-00
FILM
luF
5%
50V
R214 1-247-700-11 CARBON 100 «5% 1/4¥ F
C906
1-162-294-31
CERAMIC
0.00luF
10%
50V
R215
=
1-247-700-11
CARBON
100
5%
1/4¥
F
C907
=
1-136-165-00
FILM
luF
5%
50V
R301
1-247-717-11
CARBON
2.2K
5%
1/4¥
F
C908
1-126-968-11
ELECT
100uF
20%
50V
R302
1-247-715-11
CARBON
1.5K
5%
1/4¥
F
C909
1-162-294-31
CERAMIC
0.00luF
10%
50V
R303
=
1-247-708-11.
CARBON
470
5%
1/4¥
F
C910
1-162-294-31
CERAMIC
0.00luF
10%
50V
R304
1-247-697-11
CARBON
56
5%
1/4¥
F
C911
=
1-136-165-00
FILM
luF
5%
50V
R305
1-247-700-11
CARBON
100
5%
1/4¥
F
C912
1-162-306-11
CERAMIC
0.
OluF
30%
16V
R306
1-249-461-11
CARBON
18K
=
5%
1/4¥
C913:
1-162-290-31
CERAMIC
470PF
20%
50V
R307
=1-247-725-11
CARBON
10K
5%
1/44
F
C914
=:
1-162-290-31
CERAMIC
ATOPF
20%
50V
R308
1-247-700-11
CARBON
100
5%
1/4¥
F
C915
1-162-290-31
CERAMIC
470PF
20%
50V
R310
=
1-247-712-11
CARBON
820
5%
1/4¥
F
C916
1-162-306-11
CERAMIC
0.
OluF
30%
16V
R311
1-246-461-15
CARBON
330
©=5%
1/4¥
C917
=:
1-162-294-31
CERAMIC
0.00luF
10%
50V
R313
1-247-700-11
CARBON
100
5%
1/4¥
F
C918
1-162-294-31
CERAMIC
0.00luF
10%
50V
R314:
1-247-700-11
CARBON
100
5%
1/4¥
F
C919
1-162-294-31
CERAMIC
0.00luF
10% 50V
R315
1-247-700-11
CARBON
100
«5%
1/4¥
F
C920
1-162-306-11
CERAMIC
0.
OluF
30%
16V
R321
1-247-715-11
CARBON
1.5K
5%
1/4¥
F
C921
1-162-306-11
CERAMIC
0.
OluF
30%
16V
R341
1-247-694-11
CARBON
33
5%
1/4¥
F
C922
1-162-306-11
CERAMIC
Q.
OluF
30%
16V
R342
1-247-726-11
CARBON
33K
65%
1/4¥
F
C923
=1-162-306-11
CERAMIC
0.
OluF
30%
16V
R343
=
1-249~455-11
CARBON
4,7
5%
1/4¥
C924
1-162-306-11
CERAMIC
0.
OluF
30%
16V
R344:
1-247-721-11
CARBON
4.7K
5%
1/4
F
C925
1-162-294-31
CERAMIC
0.00luF
10%
50V

Ref.
No.
Part
No.
Description
Remark
|
Ref.No.
Part
No.
Description
Remark
C926
=
=©.1-162-294-31
CERAMIC
0.00luF
10%
50V
<
SWITCH
>
<
DIODE
>
$901
1-554-303-21
SWITCH,
KEYBOARD
(TUNING
+)
$902
1-554-303-21
SWITCH,
KEYBOARD
(TUNING
-)
D901
8-719-987-63
DIODE
1N4148M
$903
1-554-303-21
SWITCH,
KEYBOARD
(ENTER)
D902
8-719-987-63
DIODE
1N4148M
$904
1-554-303-21
SWITCH,
KEYBOARD
(PRESET
-)
D903
=
8-719-038-29
DIODE
SLP-181B-51
(TUNE)
$905
1-554-303-21
SWITCH,
KEYBOARD
(PRESET
+)
D904
8-719-987-63
DIODE
1N4148M
D905
8-719-987-63
DIODE
1N4148M
<
VIBRATOR
>
D906
©8-719-987-63
DIODE
1N4148M
X901
1-760-130-11
VIBRATOR,
CRYSTAL
(75kHz)
D907
8-719-987-63
DIODE
1N4148M
D908
8-719-987-63
DIODE
1N4148M
EKEKKERKER
ERK EES
AKER
KERR
ERAS
AERA
ER
ARE
RARER
KARR
ARREARS
AEE
ERE
EEE
«<
IC
>
x
1-655-557-11
POWER
BOARD
KEKKKKKEEES
IC901 8-759-341-24 IC uPD1724GP-697-GA7
1-533-217-31 HOLDER, FUSE
< COIL >
< CAPACITOR >
L901 1-410-521-11 MICRO INDUCTOR 100uH
L902
1-410-320-11
MICRO
INDUCTOR
2.
2uH
C801
1-101-005-00
CERAMIC
22000PF
50V
C802
1-101-005-00
CERAMIC
22000PF
50V
< LIQUID CRYSTAL DISPLAY > C803 1~-101-005-00 CERAMIC 22000PF 50V
C804 1-101-005-00 CERAMIC 22000PF 50V
NDU901 1-810-851-11 DISPLAY PANEL, LIQUID CRYSTAL
< CONNECTOR >
< TRANSISTOR >
* CNJ1 1-563-470-11 HOUSING, CONNECTOR ZP
Q901
8-729-012-83
TRANSISTOR
2SK679A
A\CNJ801
1-526-838-11
INLET,
AC
2P
(AC
IN
~)
Q903 8~729-178-62 TRANSISTOR = 2SC2786-L
< DIODE >
< RESISTOR >
D801 8-719-200-02 DIODE 10E2
R901 1-249-431-11 CARBON 15K 5% =-1/4¥ D802 8-719-200-02 DIODE 10E2
R902 1-247-855-11 CARBON 10K 5% 1/44 D803 © 8-719-200-02 DIODE 10E2
R903 1-247-855-11 CARBON 10K 5% 1/44 D804 = 8-719-200-02 DIODE 10E2
R904 1-249-436-11 CARBON _ 89K dh 1/4¥
R905
1-249-417-11
CARBON
IK
5%
1/4W
<
FUSE
>
R906 = 1-247-871-11 CARBON ATK 5% 1/49 A\F801 1-532-285-00 FUSE T1. 25A/250V
R907 = 1-247-807-11 CARBON 100 5% 1/49
R908
1-247-825-11
CARBON
560
5%
1/48
<
TRANSFORMER
>
R909 1-247-843-11 CARBON 3.3K 5% 1/48
R910
1-247-887-00
CARBON
220K
5%
41/49
A\T801
=:
1-450-492-11
TRANSFORMER,
POWER
R911
1-247-887-00
CARBON
220K
5%
1/4¥
HKEKEKAEERESESER
EERE
EERE
ERE
REERER
ERE
REESE
ERE
EEE
SEERA
ES
ERE
R912 = 1-247-887-00 CARBON 220K 5% 1/4¥
R913 = 1-247-887-00 CARBON 220K 5% 1/4¥ * A-3305-065-A TUNER BOARD, COMPLETE (B31)
R914
1-247-807-11
CARBON
100
5%
1/4¥
F
KAKEREAEEREES
ERASER
EERE
EELS
R915 1-249-417-11 CARBON IK 5% 1/44 F
* A-3305-069-A TUNER BOARD, COMPLETE (B31L: AEP)
R916
=1-247-807-11
CARBON
100
5%
1/44
F
HERRERA
RERARER
AREER
EER EER
EERE
E
R917 = 1-247-879-11 CARBON 100K 5% 1/4W
R918
1-247-807-11
CARBON
100
5%
1/44
F
*
A-3305-230-A
TUNER
BOARD,
COMPLETE
(B31L:EE)
R921
1-247-871-00
CARBON
ATK
=
5%
1/4¥
KEERREERRRRERERERE
EERE
EERE
REF
R922 = 1-247-871-00 CARBON ATK 5% 1/44
< ANTENNA >
ANT2 1-501-769-11 ANTENNA, FERRITE-ROD (B31)
The components identified by mark
A\ or dotted line with mark A\ are
critical for safety.
Replace only with part number
specified.
pases 30 see