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MHC-V41D
39
The laser diode emits the light.
(Visual check)
It is outputted 2 V to the CN302 pin 6
(FE_LD_CD (780)) on the MOTHER
board.
Yes
Yes
Set the test disc (YEDS-18) on the
disc tray and playback it.
The following standard value of RF
signal is outputted to the CN302
pin 17 (RF) on the MOTHER board.
RF level = 1.0 ± 0.25 Vp-p
There is no problem when
performing the playback test of long
time (60 minutes).
The sound skip does not happen.
Yes
No
Perform the lens cleaning.
No
No
Check the circuit of area surrounding
Q402 on the MOTHER board.
Check the circuit of area surrounding
IC301 pin 9 (LDO1) on the MOTHER
board.
– From page 38 –
Yes
Replace the optical pick-up block.
Replace the optical pick-up block.
No
Yes
The following standard value of RF signal
is outputted to the CN302 pin 17 (RF) on
the MOTHER board.
RF level = 1.0 ± 0.25 Vp-p
Yes
Replace the optical pick-up block.
No
Yes
End
Summary of Contents for MHC-V41D
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