PN-3000P
PP-3000M
- 6 -
No power
Check
B/U, ACC
OK
NG
Check
the display
Problem of
IC402, IC404, IC406, IC506
Confirm to
circuit line of B/U5V, ACC,
SYS5V
the voltage value of
IC505, Q520, Q519
Confirm to
the voltage value of
Q515, IC801
NG
Check
the operating key
NG
Problem of IC801
OK
Power on
No sound radio
OK
OK
NG
Check
the operating key
Connection J502
Problem of IC801
NG
OK
OK
OK
Check
the waveform of
38,39,43,44pin
of IC301
Check
the display
Confirm to
the voltage value of
Q515, IC801
Check
the voltage value of
TUNER8.5V/TUNER5V
Problem of Q109, IC104
NG
Check
the waveform of
16,17pin of BL101
Problem of BL101
NG
Problem of IC301
NG
OK
OK
Check
the waveform of
IC501
Problem of IC501
NG
Check
the waveform of
IC503
Problem of IC503
NG
OK
Power on
No sound CD
OK
OK
NG
Check
the operating key
Connection J502
Problem of IC801
NG
OK
OK
OK
Check
the waveform of
38,39,43,44pin of
IC301
Check
the display
Confirm to
the voltage value of
Q515, IC801
Check
the voltage value of
CD9V/CD5V
/CD3.3V
Problem of
IC204, IC205
NG
Check
the waveform of
8pin of J202
Problem of CD mech
NG
Problem of IC301
NG
OK
OK
Check
the waveform of
IC501
Problem of IC501
NG
Check
the waveform of
IC503
Problem of IC503
NG
TROUBLESHOOTING
