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48
(*)VLED : The DC level is different by the model (LCD panel).
(Power off)
Disconnect P3 connectors.
Short check between
pin3,7 of P3 and GND.
Shorted
NG
OK
over100V(
*
)
P board
Connect P3 connector.
Power on.
Check if the voltage
of SRV-VLED1/2(pin1,5 of P3)
before LED 1 blink?
Both
OK
Panel Module
Panel Module
Shorted
OK
Short check between SRV-
VLED of P board and GND.
P board
Ex. 55FX600* series
Troubleshooting for LED Blinking ( 1 time blink ) for A+P type -2
<A+P>
SRV-VLED
SRV-VLED1
SRV-VLED2
(P board: TNAP6376**)
(P board: TNAP6376**)
Summary of Contents for LCD-201803
Page 4: ...1 Board Layout 4 ...
Page 11: ...11 2 Signal Processing 2 1 Signal Flow ...
Page 16: ...16 2 2 Troubleshoot of Picture Problem ...
Page 20: ...20 3 Power Supply 3 1 Power Board Structure ...
Page 44: ...44 3 3 SOS Protection Circuit and Troubleshoot of Power Problem ...