Troubleshooting - Sharp DV-SL90UA Service Manual

Service manual
Table of Contents

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Table of Contents for the Troubleshooting Flow Charts
Flow
Chart
No.
1
The power cannot be turned on.
2
The fuse blows out.
3
When the output voltage fluctuates.
4
When buzz sound can be heard in the vicinity of power circuit.
5
-FL is not outputted.
6
P-ON+10V (EV+11V) is not outputted.
7
P-ON+5V is not outputted. (EV+11V is outputted normally.)
8
P-ON+3.3V is not outputted. (P-ON+10 V is outputted normally.)
9
EV+5V is not outputted.
10
EV+1.2V is not outputted.
11
The fluorescent display tube does not light up.
12
The key operation is not functioning.
13
No operation is possible from the remote control unit.
The disc tray cannot be opened and closed.
14
(It can be done using the remote control unit.)
15
The disc tray cannot be opened and closed.
16
[No Disc] indicated.
17
Both functions of picture and sound do not operate normally.
18
Picture does not appear normally.
19
Audio is not outputted normally.
NOTE: CBA AND PWB MEANS PRINTED WIRING BOARD.

TROUBLESHOOTING

Description
1-8-1
Page
1-8-2
1-8-2
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1-8-2
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1-8-3
1-8-3
1-8-3
1-8-3
1-8-3
1-8-4
1-8-4
1-8-4
1-8-5
1-8-5
1-8-5
1-8-5
1-8-6
1-8-7
E592BTS

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