XBR-55/65X930D, 65X935D/937D, 75X940D
51
TROUBLE SHOOTING
FLOW
5. KEY SWITCH BUTTONS ERROR
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
Resistor value
[BMFW2/BM1]
R1089 : 0 [ohm]
R1086 : 47k [ohm]
R1432 : 4.7k [ohm]
* R1089 may be not mounted
In case that power key error
Parts issue
NG
Check resistor value on B-
board
In case that buttons error except power key
NG
Resistor value
[BMFW2/BM1]
R1042 : 4.7k [ohm]
R1091 : 0 [ohm]
R1087 : 20k [ohm]
R1088 : 22k [ohm]
* R1091 may be not mounted
OK
OK
Main device issue
Change B-board
Summary of Contents for BRAVIA XBR-55X930D
Page 61: ...XBR 55 65X930D 65X935D 937D 75X940D 61 DIAGRAMS BLOCK DIAGRAM Common for all inches ...
Page 85: ...XBR 55 65X930D 65X935D 937D 75X940D 85 DISASSEMBLY 1 6 CATCHER 1 XBR 55X930D CATCHER ...
Page 93: ...XBR 55 65X930D 65X935D 937D 75X940D 93 DISASSEMBLY 1 14 WIRE DRESSING 1 XBR 55X930D ...
Page 187: ...XBR 55 65X930D 65X935D 937D 75X940D 187 DISASSEMBLY 4 19 WIRE DRESSING 4 XBR 75X940D 1 2 ...
Page 193: ...XBR 55 65X930D 65X935D 937D 75X940D 193 DISASSEMBLY 4 25 WIRE DRESSING 4 XBR 75X940D NOTE ...
Page 195: ...XBR 55 65X930D 65X935D 937D 75X940D 195 DISASSEMBLY 4 27 WIRE DRESSING 4 XBR 75X940D 1 2 ...
Page 215: ...XBR 55 65X930D 65X935D 937D 75X940D 215 DISASSEMBLY 4 XBR 75X940D 4 47 LCD PANEL LCD PANEL ...