Troubleshooting - Sharp DV-RW550U Service Manual

Table of Contents for the Troubleshooting Flow Charts
Flow
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NOTE: CBA AND PWB MEANS PRINTED WIRING BOARD.

TROUBLESHOOTING

The power cannot be turned on.
The fuse blows out.
When the output voltage fluctuates.
When buzz sound can be heard in the vicinity of power circuit.
-FL AL-30V is not outputted.
P-ON+9V is not outputted.
P-ON+5V is not outputted. (P-ON+9V is outputted normally.)
EV+33V is not outputted.
AL+18V is not outputted.
P-ON+11V is not outputted.
DVD-P-ON+5V is not outputted.
P-ON+2.5V is not outputted.
P-ON+3.3V is not outputted.
The fluorescent display tube does not light up.
The key operation is not functioning.
No operation is possible from the remote control unit.
(Operation is possible from the unit.)
The disc tray cannot be opened and closed.
(It can be done using the remote control unit.)
The disc tray cannot be opened and closed.
[No Disc] indicated.
Both functions of picture and sound do not operate normally.
VIDEO E-E does not appear normally.
Picture does not appear normally.
Audio E-E does not appear normally.
Audio is not outputted during playback.
The key operation is not functioning.
No VCR operation is possible from the remote control unit.
(Operation is possible from the unit.)
Cassette tape can not be loaded.
Cassette tape is ejected right after the loading.
Cassette tape can not be ejected.
Capstan Motor does not rotate.
Drum Motor does not rotate.
Drum Motor rotates only for a few seconds.
RF-SW signal is not outputted.
Video E-E does not appear.
Hi-Fi E-E audio does not operate normally.
Hi-Fi audio can not be recorded normally.
(E-E mode is normal.)
Hi-Fi audio can not be playbacked normally.
(Hi-Fi E-E mode is normal.)
Audio can not be recorded normally in the linear audio
mode. (E-E mode is normal.)
Audio can not be playbacked normally in the linear
audio mode. (E-E mode is normal.)
Description
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E9656TS