58
(*)VLED : The DC level is different by the model (LCD panel).
(Power off)
Disconnect P3 connectors.
Short check between each
Pin1-8 of P3 and GND.
One of them
shorted
NG
OK
over100V(
*
)
P board
Connect P3 connector.
Power on.
Check if the voltage
of SRV-VLED(pin10-13 of P3)
before LED 1 blink?
All
OK
Panel Module
Panel Module
Shorted
OK
Short check Q7851
between Source and Drain.
P board
Troubleshooting for LED 1 Time Blinking 1-2
(P board: TNPA6699**)
SRV-VLED
Q7851
S
D
G
P3
TH- ##JX800*, 900W (Android TV)
Содержание TH-40JX700
Страница 2: ...Revision History Version Issued Revised date Revised content Ver 1 0 7th Jun 2021 First version 2 ...
Страница 4: ...1 Lineup and Function Comparison 4 ...
Страница 10: ...2 Function 10 ...
Страница 18: ...3 Board Layout 18 ...
Страница 23: ...23 4 Signal Flow and Troubleshoot of Picture Problem ...
Страница 31: ...31 5 Start up Operation ...
Страница 54: ...54 6 SOS Protection Circuit and Troubleshoot of Power Problem ...