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DV-SP405
TROUBLE SHOOTING-1
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
about 5V?
No
Yes
No
Is there waveform at
X4001 about 3.0Vp-p ?
Check X4001, IC4001 and
peripheral circuit.
Yes
Write DVD FIRMWARE DATA.
Check AT+3.3V line of POWER BLOCK.
Check Q515 and peripheral circuit.
No
Yes
No
DECK DOES NOT ACCEPT
OPEN/CLOSE
Check P.CON 6V line of
POWER BLOCK.
Yes
Is the lose connection
at CD2302 to DECK ?
Check CD2302
connection to DECK.
Change DVD LOADER.
Is the voltage at
pin 8 and 19 of IC2301
about DC6V ?
Summary of Contents for DV DV-SP405
Page 71: ...DV SP405 IC BLOCK DIAGRAM TERMINAL DESCRIPTIONS 3 Pin Function...
Page 72: ...DV SP405 IC BLOCK DIAGRAM TERMINAL DESCRIPTIONS 4...
Page 73: ...DV SP405 IC BLOCK DIAGRAM TERMINAL DESCRIPTIONS 5...
Page 74: ...DV SP405 IC BLOCK DIAGRAM TERMINAL DESCRIPTIONS 6...
Page 75: ...DV SP405 IC BLOCK DIAGRAM TERMINAL DESCRIPTIONS 7...
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