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XBR-65X930C, 75X940C, 945C
169
TROUBLE SHOOTING
LIGTH_SENSOR (Muffin Pin L35)
Check voltage variation from
room light to dark condition
B*Board
Check LIGTH_SENSOR signal path :
R1079 = zero ohm
Backlight doesn’t change
when ambient lighting
level changed
Check UI setting for light
Sensor. Make sure it is “on”
Change the UI setting
to “ON”
OK
Harness on H-board and
B* Board properly connected
Harness connection
issue
NG
User did not activate light
sensor function
OK
Change
H-B* board Harness
NG
OK
Change Smart Core
OK
NG
NG
H-B* board harness
issue
Smart Core issue
NG
Change B*Board
Muffin IC1000 problem
OK
OK
NG
Part broken issue
3-8. LIGHT SENSOR ERROR
Summary of Contents for XBR-75X945C
Page 2: ...SERVICE MANUAL LCD TV 9 888 572 02 GN1T CHASSIS Segment XS ...
Page 19: ...XBR 65X930C 75X940C 945C 19 DISASSEMBLY 1 1 6 TAPE 1 1 XBR 65X930C TAPE TAPE TAPE TAPE ...
Page 20: ...XBR 65X930C 75X940C 945C 20 DISASSEMBLY 1 1 7 TAPE 1 1 XBR 65X930C TAPE TAPE TAPE TAPE TAPE ...
Page 21: ...XBR 65X930C 75X940C 945C 21 DISASSEMBLY 1 1 8 WIRE DRESSING 1 1 XBR 65X930C ...
Page 40: ...XBR 65X930C 75X940C 945C 40 DISASSEMBLY 1 1 27 TAPE 1 1 XBR 65X930C TAPE TAPE ...
Page 56: ...XBR 65X930C 75X940C 945C 56 DISASSEMBLY 1 1 43 LCD PANEL 1 1 XBR 65X930C LCD PANEL ...
Page 63: ...XBR 65X930C 75X940C 945C 63 DISASSEMBLY 1 2 6 TAPE 1 2 XBR 75X940C 945C TAPE TAPE TAPE ...
Page 64: ...XBR 65X930C 75X940C 945C 64 DISASSEMBLY 1 2 7 TAPE 1 2 XBR 75X940C 945C TAPE TAPE TAPE TAPE ...
Page 65: ...XBR 65X930C 75X940C 945C 65 DISASSEMBLY 1 2 8 TAPE 1 2 XBR 75X940C 945C TAPE TAPE TAPE TAPE ...
Page 66: ...XBR 65X930C 75X940C 945C 66 DISASSEMBLY 1 2 9 TAPE 1 2 XBR 75X940C 945C TAPE ...
Page 67: ...XBR 65X930C 75X940C 945C 67 DISASSEMBLY 1 2 10 TAPE 1 2 XBR 75X940C 945C TAPE TAPE TAPE ...
Page 69: ...XBR 65X930C 75X940C 945C 69 DISASSEMBLY 1 2 XBR 75X940C 945C 1 2 12 WIRE DRESSING ...
Page 70: ...XBR 65X930C 75X940C 945C 70 DISASSEMBLY 1 2 XBR 75X940C 945C 1 2 13 WIRE DRESSING ...
Page 71: ...XBR 65X930C 75X940C 945C 71 DISASSEMBLY 1 2 XBR 75X940C 945C 1 2 14 WIRE DRESSING ...
Page 94: ...XBR 65X930C 75X940C 945C 94 DISASSEMBLY 1 2 37 TAPE 1 2 XBR 75X940C 945C TAPE TAPE ...
Page 95: ...XBR 65X930C 75X940C 945C 95 DISASSEMBLY 1 2 38 TAPE 1 2 XBR 75X940C 945C TAPE TAPE ...
Page 111: ...XBR 65X930C 75X940C 945C 111 DISASSEMBLY 1 2 54 LCD PANEL 1 2 XBR 75X940C 945C LCD PANEL ...
Page 115: ...XBR 65X930C 75X940C 945C 115 DISASSEMBLY 1 3 5 COVER TOP 1 COVER TOP 2 1 3 SMART CORE ...
Page 117: ...XBR 65X930C 75X940C 945C 117 DISASSEMBLY 1 3 7 LIGHT GUIDE LIGHT GUIDE 1 2 3 1 3 SMART CORE ...
Page 119: ...XBR 65X930C 75X940C 945C 119 DISASSEMBLY 1 3 9 CASE BOTTOM L CASE BOTTOM L 1 3 SMART CORE ...
Page 173: ...XBR 65X930C 75X940C 945C 173 SEC 4 DIAGRAMS 4 1 1 UC 4 1 BLOCK DIAGRAM ...
Page 174: ...XBR 65X930C 75X940C 945C 174 DIAGRAMS 4 1 2 LA BR AR ...
Page 175: ...XBR 65X930C 75X940C 945C 175 DIAGRAMS 4 1 3 LA COL ...