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XBR-43X830C, 49X830C, 835C, 837C
95
TROUBLE SHOOTING
1) Power Off Checking*1
(1) K-PWB
PVDD-GND short ?
(See Note 2)
Power Off Check*1
Replace K-PWB
No
Measure the Speaker
impedance by multi-meter
Less than 3Ω ?
Yes
Confirm the speaker
harness
Cut or shorted
to the chassis ?
Replace Speaker
No
Yes
Replace Speaker Harness
No
Yes
Return to LED 3x blinking
or Power Off Checking*3
(2) K-PWB
LDO out short ?
(See Note 2)
(3) K-PWB
Fuse broken ?
(See Note 2)
No
Yes
No
Yes
Power Off Check*3
Segment “XS”?
(1) B-PWB
PVDD-GND short ?
(See Note 1)
Replace B-PWB
No
Yes
(2) B-PWB
LDO out short ?
(See Note 1)
(3) B-PWB
Fuse broken ?
(See Note 1)
No
Yes
No
Yes
Yes
No
(3) Fuse open check
Measure impedance of fuse F7700, F7702 5A (12.5V)
If fuse open
→ NG
(1) PVDD-GND short check
Measure impedance between PVDD and GND at C7706,
C7707.
If impedance is <100Ω → NG
(2) LDO out short check
Measure impedance b3.3V and GND at C9130.
If impedance is <100Ω → NG
(3) Fuse open check
Measure impedance of fuse
F7702, F7704, F7705, F7701 5A (12.5V)
F7700 3.15A (DDC5V)
If fuse open
→ NG
(1) PVDD-GND short check
Measure impedance between PVDD and GND at C7722, C7762, C7782,
C7834.
If impedance is <100Ω → NG
(2) LDO out short check
Measure impedance b3.3V and GND at
C7909.
If impedance is <100Ω → NG
Note 2:
Note 1:
Содержание XBR-49X835C
Страница 2: ...SERVICE MANUAL LCD TV 9 888 568 01 GN1T CHASSIS Segment XFL ...
Страница 17: ...XBR 43X830C 49X830C 835C 837C 17 DISASSEMBLY 1 1 5 TAPE AND WIRE DRESSING 1 1 XBR 43X830C TAPE ...
Страница 18: ...XBR 43X830C 49X830C 835C 837C 18 DISASSEMBLY 1 1 6 TAPE AND WIRE DRESSING 1 1 XBR 43X830C TAPE TAPE ...
Страница 19: ...XBR 43X830C 49X830C 835C 837C 19 DISASSEMBLY 1 1 XBR 43X830C 1 1 7 SPEAKER BOX ASSY L 1 2 3 SPEAKER BOX ASSY L ...
Страница 20: ...XBR 43X830C 49X830C 835C 837C 20 DISASSEMBLY 1 1 8 SPEAKER BOX ASSY R 1 1 XBR 43X830C 1 2 3 SPEAKER BOX ASSY R ...
Страница 21: ...XBR 43X830C 49X830C 835C 837C 21 DISASSEMBLY 1 1 9 TAPE 1 1 XBR 43X830C TAPE TAPE ...
Страница 27: ...XBR 43X830C 49X830C 835C 837C 27 DISASSEMBLY 1 1 15 SLIDE CLAMP 1 1 XBR 43X830C 1 2 SLIDE CLAMP ...
Страница 36: ...XBR 43X830C 49X830C 835C 837C 36 DISASSEMBLY 1 1 24 SHEET THERMAL BM 1 1 XBR 43X830C SHEET THERMAL BM 1 2 ...
Страница 38: ...XBR 43X830C 49X830C 835C 837C 38 DISASSEMBLY 1 1 26 SLIDE CLAMP 1 1 XBR 43X830C 1 2 SLIDE CLAMP ...
Страница 39: ...XBR 43X830C 49X830C 835C 837C 39 DISASSEMBLY 1 1 27 LCD PANEL 1 1 XBR 43X830C LCD PANEL ...
Страница 44: ...XBR 43X830C 49X830C 835C 837C 44 DISASSEMBLY 1 2 5 TAPE AND WIRE DRESSING 1 2 XBR 49X830C 835C 837C TAPE TAPE ...
Страница 45: ...XBR 43X830C 49X830C 835C 837C 45 DISASSEMBLY 1 2 6 TAPE AND WIRE DRESSING 1 2 XBR 49X830C 835C 837C TAPE TAPE ...
Страница 48: ...XBR 43X830C 49X830C 835C 837C 48 DISASSEMBLY 1 2 9 TAPE 1 2 XBR 49X830C 835C 837C TAPE TAPE ...
Страница 54: ...XBR 43X830C 49X830C 835C 837C 54 DISASSEMBLY 1 2 XBR 49X830C 835C 837C 1 2 15 SLIDE CLAMP 1 2 SLIDE CLAMP ...
Страница 66: ...XBR 43X830C 49X830C 835C 837C 66 DISASSEMBLY 1 2 XBR 49X830C 835C 837C 1 2 27 SLIDE CLAMP 1 2 SLIDE CLAMP ...
Страница 67: ...XBR 43X830C 49X830C 835C 837C 67 DISASSEMBLY 1 2 XBR 49X830C 835C 837C 1 2 28 LCD PANEL LCD PANEL ...
Страница 71: ...XBR 43X830C 49X830C 835C 837C 71 DISASSEMBLY 1 3 5 COVER TOP 1 COVER TOP 2 1 3 SMART CORE ...
Страница 73: ...XBR 43X830C 49X830C 835C 837C 73 DISASSEMBLY 1 3 7 LIGHT GUIDE LIGHT GUIDE 1 2 3 1 3 SMART CORE ...
Страница 75: ...XBR 43X830C 49X830C 835C 837C 75 DISASSEMBLY 1 3 9 CASE BOTTOM M CASE BOTTOM M 1 3 SMART CORE ...
Страница 130: ...XBR 43X830C 49X830C 835C 837C 130 SEC 4 DIAGRAMS 4 1 1 UC 4 1 BLOCK DIAGRAM ...
Страница 131: ...XBR 43X830C 49X830C 835C 837C 131 DIAGRAMS 4 1 2 LA8 AR4 CR1 ECU BR6 ...
Страница 132: ...XBR 43X830C 49X830C 835C 837C 132 DIAGRAMS 4 1 3 CO1 ...
Страница 133: ...XBR 43X830C 49X830C 835C 837C 133 DIAGRAMS 4 1 4 MX ...
Страница 149: ...XBR 43X830C 49X830C 835C 837C 149 END 9 888 568 01 English 2015CL08 Data Made in Japan 2015 3 Sony Visual Products Inc ...