6-1
L0370TS
TROUBLESHOOTING
Table of Contents for the Troubleshooting Flow Charts
No.
Chart
Flow
Description
Page
1
The power cannot be turned on.
6-2
2
The fuse blows out.
6-2
3
When the output voltage fluctuates.
6-2
4
When buzz sound can be heard in the vicinity of power circuit.
6-2
5
AL-8V is not outputted.
6-2
6
AL+3.3V is not outputted.
6-3
7
AL+40V is not outputted.
6-3
8
AL+5V is not outputted.
6-3
9
AL+33V is not outputted.
6-3
10
AL+12V is not outputted.
6-3
11
REG+5V(1) is not outputted.
6-4
12
REG+5V(2) is not outputted.
6-4
13
P-ON+3.3V(D) is not outputted.
6-4
14
P-ON+3.3V(A) is not outputted.
6-4
15
P-ON+1.8V(D) is not outputted.
6-4
16
PANEL+24V is not outputted.
6-5
17
PANEL+5.4V is not outputted.
6-5
18
PANEL-12V is not outputted.
6-5
19
PANEL+12V is not outputted.
6-5
20
PANEL+9V is not outputted.
6-5
21
The key operation is not functioning.
6-6
22
No operation is possible from the remote control unit.
6-6
23
Picture does not appear normally. (Tuner input / Video input/S-Video input.)
6-7
24
Picture does not appear normally. (Y / Pb / Pr input.)
6-7
25
Audio is not outputted normally. (Tuner input.)
6-8
26
Audio is not outputted normally. (Audio input terminals.)
6-8
NOTE: CBA AND PWB MEANS PRINTED WIRING
BOARD.
