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Sony Walkman WM-EX678 Service Manual

Sony Walkman WM-EX678
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NOTE:
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.
-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.
CAPACITORS:
uF: µF
RESISTORS
All resistors are in ohms.
METAL: metal-film resistor
METAL OXIDE: Metal Oxide-film resistor
F: nonflammable
COILS
uH: µH
Abbreviation
FR : French
EE : East European
The components identified by mark ! or
dotted line with mark ! are critical for safety.
Replace only with part number specified.
SEMICONDUCTORS
In each case, u: µ, for example:
uA...: µA... , uPA... , µPA... ,
uPB... , µPB... , uPC... , µPC... ,
uPD..., µPD...
When indicating parts by reference number,
please include the board name.
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
— 26 —
SECTION 8
ELECTRICAL PARTS LIST
A-3021-172-A MAIN BOARD, COMPLETE (AEP,UK,EE)
********************
A-3021-173-A MAIN BOARD, COMPLETE (FR)
*********************
< CAPACITOR >
C101 1-107-520-11 TANTAL. CHIP 33uF 20% 2.5V
C102 1-115-156-11 CERAMIC CHIP 1uF 10V
C103 1-115-156-11 CERAMIC CHIP 1uF 10V
C104 1-115-156-11 CERAMIC CHIP 1uF 10V
C105 1-113-619-11 CERAMIC CHIP 0.47uF 10% 6.3V
C106 1-115-467-11 CERAMIC CHIP 0.22uF 10% 10V
C107 1-164-505-11 CERAMIC CHIP 2.2uF 16V
C108 1-164-227-11 CERAMIC CHIP 0.022uF 10% 25V
C109 1-164-677-11 CERAMIC CHIP 0.033uF 10% 16V
C201 1-107-520-11 TANTAL. CHIP 33uF 20% 2.5V
C202 1-115-156-11 CERAMIC CHIP 1uF 10V
C203 1-115-156-11 CERAMIC CHIP 1uF 10V
C204 1-115-156-11 CERAMIC CHIP 1uF 10V
C205 1-113-619-11 CERAMIC CHIP 0.47uF 10% 6.3V
C206 1-115-467-11 CERAMIC CHIP 0.22uF 10% 10V
C207 1-164-505-11 CERAMIC CHIP 2.2uF 16V
C208 1-164-227-11 CERAMIC CHIP 0.022uF 10% 25V
C209 1-164-677-11 CERAMIC CHIP 0.033uF 10% 16V
C301 1-119-663-11 TANTAL. CHIP 47uF 20% 2.5V
C302 1-164-156-11 CERAMIC CHIP 0.1uF 25V
C303 1-117-181-11 TANTAL. CHIP 4.7uF 20% 2.5V
C304 1-115-156-11 CERAMIC CHIP 1uF 10V
C305 1-126-236-11 ELECT 330uF 20% 2V
C306 1-109-935-11 TANTAL. CHIP 4.7uF 20% 4V
C307 1-115-467-11 CERAMIC CHIP 0.22uF 10% 10V
C308 1-165-112-11 CERAMIC CHIP 0.33uF 16V
C309 1-115-467-11 CERAMIC CHIP 0.22uF 10% 10V
C310 1-135-149-21 TANTALUM CHIP 2.2uF 20% 10V
C311 1-164-156-11 CERAMIC CHIP 0.1uF 25V
C312 1-115-156-11 CERAMIC CHIP 1uF 10V
C313 1-109-935-11 TANTAL. CHIP 4.7uF 20% 4V
C314 1-135-187-21 TANTAL. CHIP 2.2uF 20% 4V
C315 1-135-187-21 TANTAL. CHIP 2.2uF 20% 4V
C316 1-125-837-91 CERAMIC CHIP 1uF 10% 6.3V
C317 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50V
C318 1-135-201-11 TANTALUM CHIP 10uF 20% 4V
C319 1-164-156-11 CERAMIC CHIP 0.1uF 25V
C320 1-162-968-11 CERAMIC CHIP 0.0047uF 10% 50V
C321 1-115-416-11 CERAMIC CHIP 1000PF 5% 25V
C322 1-109-937-11 TANTAL. CHIP 6.8uF 20% 2.5V
C323 1-115-412-11 CERAMIC CHIP 680PF 5% 25V
C601 1-125-837-91 CERAMIC CHIP 1uF 10% 6.3V
C602 1-107-826-91 CERAMIC CHIP 0.1uF 10% 16V
C603 1-115-467-11 CERAMIC CHIP 0.22uF 10% 10V
C604 1-164-156-11 CERAMIC CHIP 0.1uF 25V
C605 1-107-826-91 CERAMIC CHIP 0.1uF 10% 16V
C606 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25V
C607 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25V
C608 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25V
C609 1-135-151-21 TANTALUM CHIP 4.7uF 20% 4V
C701 1-119-750-11 TANTAL. CHIP 22uF 20% 6.3V
C702 1-104-851-11 TANTAL. CHIP 10uF 20% 10V
C703 1-162-915-11 CERAMIC CHIP 10PF 0.5PF 50V
C704 1-107-826-91 CERAMIC CHIP 0.1uF 10% 16V
C705 1-115-156-11 CERAMIC CHIP 1uF 10V
C706 1-115-156-11 CERAMIC CHIP 1uF 10V
C707 1-115-156-11 CERAMIC CHIP 1uF 10V
C708 1-115-156-11 CERAMIC CHIP 1uF 10V
C709 1-115-156-11 CERAMIC CHIP 1uF 10V
C710 1-115-156-11 CERAMIC CHIP 1uF 10V
C711 1-115-156-11 CERAMIC CHIP 1uF 10V
C712 1-115-156-11 CERAMIC CHIP 1uF 10V
< CONPOSITION CIRCUIT BLOCK >
CB301 1-127-575-21 CERAMIC CHIP 470PF 0 50V
CB303 1-127-576-21 CERAMIC CHIP 22000PF 0 50V
< DIODE >
D701 8-719-404-50 DIODE MA111-TX
D702 8-719-072-70 DIODE MA2ZD14001S0
D703 8-719-067-79 LED CL-170HR-CD-T-AB (BATT)
D709 8-719-068-83 DIODE MAZL068D0LS0-TX/L
D710 8-719-422-58 DIODE MA8062
D711 8-719-422-58 DIODE MA8062
< FERRITE BEAD >
FB101 1-469-125-21 FERRITE 0uH (AEP,UK,EE)
FB201 1-469-125-21 FERRITE 0uH (AEP,UK,EE)
< IC >
IC301 8-759-549-78 IC TA2123F(EL)
IC302 8-759-488-80 IC NJM2185AV-TE2
IC601 8-759-356-46 IC MM1279XVBE
IC701 8-759-580-19 IC ML63512-119TBZ060
IC702 8-759-566-77 IC XC6371C251PL
IC703 8-759-430-08 IC PST9008NL
IC704 8-759-280-84 IC S-81211SG-QA-T1
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Sony Walkman WM-EX678 Specifications

General IconGeneral
BrandSony
ModelWalkman WM-EX678
CategoryCassette Player
LanguageEnglish

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