Diagnosis; Trouble Shooting - Pioneer DV-310-K Service Manual

5

5. DIAGNOSIS

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5.1 TROUBLE SHOOTING

POWER DOES NOT TURN ON
Is the voltage at
pin 8 and pin 9 of CP502 about 3.3V
and at pin 5 of CP502
Is there waveform at
X4001 about 3.0Vp-p ?
Write DVD FIRMWARE DATA.
TE
L 13942296513
DECK DOES NOT ACCEPT
OPEN/CLOSE
pin 8 and 19 of IC2301
Is the lose connection
at CD2302 to DECK ?
www
Change DVD LOADER.
.
5
http://www.xiaoyu163.com
No
about 5V?
Yes
No
Yes
Is the voltage at
No
about DC6V ?
Yes
Yes
No
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http://www.xiaoyu163.com
6
8
Q Q
3 6 7 1 3
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.
DV-310-K
6
7
2 9 9 4 2 8
Check AT+3.3V line of POWER BLOCK.
Check Q515 and peripheral circuit.
Check X4001, IC4001 and
peripheral circuit.
1 5 0 5 8 2 9 9 4
Check P.CON 6V line of
POWER BLOCK.
Check CD2302
connection to DECK.
m
co
7
8
9 9
A
B
C
2 8 9 9
D
E
F
23
8