LG 50PK780-ZC (CHASSIS:PD02C) Service Manual ▷ View online
ⓒ LG Electronics. Inc.2009
Making
전자 - 6-2
Revision
PDP TV
Input
Block
No OSD( or Picture) Problem
Check DISP_EN(R253)
Check R27 and MICOM
Check LVDS Cable damage
or open connectors
.
Check LVDS DATA
Replace Cable
Check Vs,Va, 5V,17V
on Power Board
Replace Power Board
Check LED blanking
When press a key on R/C
Follow Power-Up Boot Fail
Y
Y
Y
Y
N
N
N
N
13/15
Change BCM(IC100)
N
Check Module condition
Y
2010. 2 . 22
ⓒ LG Electronics. Inc.2009
Making
전자 - 6-2
Revision
PDP TV
Input
Block
USB Problem
Check USB 2.0 Cable for damage
or open conductors
Check C1116/C1117 voltage 5V
Y
N
Check IC1102/1103 #8 status
is high ?
Check P1101/P1102
Replace Connector
Y
N
Check R1133,R1134,R1137,R1138
Y
Replace Capacitor
N
N
Replace the Resistor
14/15
Check USB Module condition
Y
Y
Y
Check R200,R201
N
Replace IC1100
Y
Change BCM(IC100)
2010. 2 . 22
ⓒ LG Electronics. Inc.2009
Making
전자 - 6-2
Revision
PDP TV
Input
Block
Bluetooth Problem
Check B/T Version
on INSTART MENU
Check R204, R205
N
N
Check P1100
Check #10 P1100 is 3.3V
Replace Connector
Y
N
Change BCM(IC100)
13/15
Replace Bluetooth Module
Y
N
2010. 2 . 22
ⓒ LG Electronics. Inc.2009
Making
전자 - 6-2
Revision
PDP TV
Input
Block
Bluetooth Problem
Check B/T Version
on INSTART MENU
Check R204, R205
N
N
Check P1100
Check #10 P1100 is 3.3V
Replace Connector
Y
N
Change BCM(IC100)
13/15
Replace Bluetooth Module
Y
N
2010. 2 . 22