XBR-49/55/65/75X900E
TROUBLE SHOOTING
FLOW
5. KEY SWITCH BUTTONS ERROR
46
Side key buttons error
Harness connection issue
Check harness connection
between B*board and switch
module
Change switch module
Switch module issue
B* board to switch module harness
issue
OK
Change harness between B*
board to switch module
harness
NG
NG
NG
OK
OK
Check resistor value on B*
board
In case that power key error
Parts issue
NG
Check resistor value on B*
board
In case that buttons error except power key
NG
OK
OK
Main device issue
Change B* board
[BMKP]
R250 : 0 [ohm]
R232 : 47k [ohm]
R1222 : 4.7k [ohm]
Resistor value
[BMKS]
R1108 : 0 [ohm]
R1049 : 47k [ohm]
R1222 : 4.7k [ohm]
[BMKP]
R1028 : 4.7k [ohm]
R249 : 0 [ohm]
R230 : 20k [ohm]
R231: 22k [ohm]
Resistor value
[BMKS]
R1028 : 4.7k [ohm]
R1107 : 0 [ohm]
R1050 : 20k [ohm]
R1051: 22k [ohm]
Summary of Contents for BRAVIA XBR-49X900E
Page 52: ...XBR 49 55 65 75X900E TROUBLE SHOOTING BMKS A side view PCB PARTS MAP 52 ...
Page 53: ...XBR 49 55 65 75X900E TROUBLE SHOOTING BMKS B side view PCB PARTS MAP 53 ...
Page 75: ...XBR 49 55 65 75X900E DISASSEMBLY 1 13 WIRE DRESSING 1 XBR 55X900E 75 1 3 4 2 ...
Page 101: ...XBR 49 55 65 75X900E DISASSEMBLY 1 38 LD35 1 XBR 55X900E 101 1 2 LD35 ...
Page 108: ...XBR 49 55 65 75X900E DISASSEMBLY 2 8 TAPE 2 XBR 65X900E 108 1 NOTE 2 3 TAPE TAPE TAPE ...
Page 113: ...XBR 49 55 65 75X900E DISASSEMBLY 2 13 WIRE DRESSING 2 XBR 65X900E 113 1 3 4 2 ...
Page 121: ...XBR 49 55 65 75X900E DISASSEMBLY 2 21 TAPE 2 XBR 65X900E 121 1 NOTE 2 3 4 TAPE TAPE TAPE TAPE ...
Page 138: ...XBR 49 55 65 75X900E DISASSEMBLY 2 37 LD45 2 XBR 65X900E 138 1 1 2 LD45 ...
Page 153: ...XBR 49 55 65 75X900E DISASSEMBLY 4 13 WIRE DRESSING 4 XBR 75X900E 153 1 3 2 ...
Page 154: ...XBR 49 55 65 75X900E DISASSEMBLY 4 14 WIRE DRESSING 4 XBR 75X900E 154 1 3 2 ...
Page 187: ...XBR 49 55 65 75X900E DISASSEMBLY 5 7 TAPE 5 XBR 49X900E 187 NOTE TAPE TAPE TAPE 1 2 3 4 TAPE ...
Page 188: ...XBR 49 55 65 75X900E DISASSEMBLY 5 8 TAPE 5 XBR 49X900E 188 NOTE 1 2 3 4 TAPE TAPE TAPE TAPE ...
Page 192: ...XBR 49 55 65 75X900E DISASSEMBLY 5 12 WIRE DRESSING 5 XBR 49X900E 192 1 2 3 ...
Page 218: ...XBR 49 55 65 75X900E DISASSEMBLY 5 37 LD30 5 XBR 49X900E 218 1 LD30 2 ...