Read Sony KDL-32EX403 / KDL-37EX403 / KDL-40EX403 / KDL-46EX403 Service Manual online
KDL-32/37/40/46EX403(UK)
21
SEC 3. TROUBLE SHOOTING
3-1. TRIAGE CHART
Note: Power board is different in name every inch. Therefore this section displays difference point in "*".
No
Power
Remote
Network
Audio
2
3
4
5
6
7
No Green
Power LED
(Dead Set)
Stationary
colored lines
or dots
No video
one of Inputs
No video
all Inputs
No
Remote
Wireless
can't
connect
No Audio
BAL BOARD
G* BOARD
HLR BOARD
WiFi MODULE
LVDS CABLE
LCD PANEL
Problem
POWER
POWER
DTT
AUDIO
POWER
PANEL
(TCON)
PANEL
(INVERTER)
TEMP
: doubtful part
: Few possibility
Reference
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
Video - missing or distorted
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