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as reference information when probing defect point, because it
may differ from an actual measuring value due to difference of
Measuring instrument and its measuring condition and product
itself.
This schematic diagram may be modified at any time with the
development of new technology.
S1:
S2:
S3:
S4:
S5:
S6:
S7:
S8:
- The supply part number is described alone in the replacement
parts list.
- Voltage from negative terminal of battery.
( )...MP3 position, [ ]...FM position.
No mark...MP3 AND FM position.
- Voltage and signal line /
: FM RF signal line /
signal line /
- Important safety notice:
Components identified by
important for safety.
Furthermore, special parts which have purposes of fire-retardant
(resistors), high-quality sound (capacitors), low-noise (resistors),
etc. are used.
When replacing any of components, be sure to use only
manufacturers specified parts shown in the parts list.
- Caution!
IC and LSI are sensitive to static electricity.
Secondary trouble can be prevented by taking care during repair.
Cover the parts boxes made of plastics with aluminum foil.
Ground the soldering iron.
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PLAY / STOP switch
FF switch
REW switch
Volume up switch (VOL +)
Volume down switch (VOL -)
REC switch
MODE switch
HOLD switch (HOLD)
: REC signal line /
: Positive voltage line /
: Audio signal line /
mark have special characteristics
18
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: Mp3
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Troubleshooting
