Dvd Part(Ns Model); Μ-Com Circuit; Electrical Troubleshooting Guide - Sanyo dvw6100 Service Manual

ELECTRICAL TROUBLESHOOTING GUIDE (NS)
1. µ-COM Circuit
A. No Power
YES
Does Logo appear
on the screen?
YES
OK
1
Is oscillation of
X501 normal?
YES
Are IC501 normal?
YES
A
DVD PART (NS MODEL)
YES
Does no DISC appear?
NO
NO
NO
Check the oscillation
NO
Check short.
OK
Replace IC501
POWER ON
Does Hello
appear at FLD?
NO
connected normally?
Reconnect it.
Refer to VCR Part
Check short
Replace IC301.
3-54
NO
Is PDV02
YES
Check power.
(Refer to power)
YES
Is PDV02 Pins8, 9,
10, 11 normal?
A
The waveform
NO NO
on AD(0~21) of IC501
normal?
NO
Are IC301 Pins5, 26 normal?
Replace Main B/D.
If power is
normal
NO
1
YES
YES