Read Sharp DV-RW250H (serv.man2) Service Manual online
TROUBLESHOOTING GUIDE
E-31
E-E DOES NOT APPEAR
AT DVD MODE
No
Check VCR block.
Yes
Is there a signal in at pin 17, 19
of CP7301 and at pin 1, 19 of
CP7302 with each input?
No
Yes
Check IC4009.
Is there a signal in at pin
194~201, 203, 205~207
of IC4009 ?
No
Yes
Check IC4001
and peripheral circuit.
Is there a signal in at pin
97, 107, 108, 117 of
IC4001 with each output
mode?
Go to each output mode in no
playback.
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