Pioneer DV-490V-S Service Manual page 62

1
Symptoms That May Occur When Any Of The Following ICs Is In Failure
IC
EEP ROM
A
(DVD MT Assy : IC4003)
16M Flash ROM
(DVD MT Assy : IC4004)
DVD IC
(DVD MT Assy : IC4001)
64M SDRAM
(DVD MT Assy : IC4005)
B
C
D
E
F
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1
2
User's data cannot be stored in memory.
The ID number is lost.
The power cannot be turned on.
Downloading of the firmware cannot be performed.
Any kind of symptoms (no power, a failure in any of the servo, video and audio systems, etc.) may be
generated, because the DVD processing is performed by a single chip.
No power.
Block noise is generated during playback.
DV-490V-S
2
3
Symptoms
3
4
4