
XBR-43X830C, 49X830C, 835C, 837C
114
TROUBLE SHOOTING
3-5-8. FOR 12V LNB Voltage Checking: @ AEP_W and JP_SKP
12V LNB Voltage Checking
NG
OK
OK
NG
Change the fuse
Check fuse F6000
Check Tuner power line
12V at JL9012 = 12V?
Check P_ON_LNB signal line
at R9167 = 3.3V?
MOSFET Q9019
broken
OK
NG
Check harness between
B-Board and G-board
OK
NG
Harness broken
Please refer G-board
troubleshooting
Please refer DDCON
troubleshooting
Summary of Contents for XBR-49X835C
Page 2: ...SERVICE MANUAL LCD TV 9 888 568 01 GN1T CHASSIS Segment XFL ...
Page 21: ...XBR 43X830C 49X830C 835C 837C 21 DISASSEMBLY 1 1 9 TAPE 1 1 XBR 43X830C TAPE TAPE ...
Page 39: ...XBR 43X830C 49X830C 835C 837C 39 DISASSEMBLY 1 1 27 LCD PANEL 1 1 XBR 43X830C LCD PANEL ...
Page 48: ...XBR 43X830C 49X830C 835C 837C 48 DISASSEMBLY 1 2 9 TAPE 1 2 XBR 49X830C 835C 837C TAPE TAPE ...
Page 71: ...XBR 43X830C 49X830C 835C 837C 71 DISASSEMBLY 1 3 5 COVER TOP 1 COVER TOP 2 1 3 SMART CORE ...
Page 75: ...XBR 43X830C 49X830C 835C 837C 75 DISASSEMBLY 1 3 9 CASE BOTTOM M CASE BOTTOM M 1 3 SMART CORE ...
Page 130: ...XBR 43X830C 49X830C 835C 837C 130 SEC 4 DIAGRAMS 4 1 1 UC 4 1 BLOCK DIAGRAM ...
Page 131: ...XBR 43X830C 49X830C 835C 837C 131 DIAGRAMS 4 1 2 LA8 AR4 CR1 ECU BR6 ...
Page 132: ...XBR 43X830C 49X830C 835C 837C 132 DIAGRAMS 4 1 3 CO1 ...
Page 133: ...XBR 43X830C 49X830C 835C 837C 133 DIAGRAMS 4 1 4 MX ...