XBR-55/65X930E, 75X940E
TROUBLE SHOOTING
FLOW
AUDIO ERROR
2-2. LED BLINKING 3X (DC ALERT AND AUDIO ERROR)
27
Measure the Speaker
impedance by multi-meter
Less than 3Ω ?
Replace
Speaker
No
Yes
3-times blinking
(Audio Error)
Speaker Harness
Power Off Check
Go to No Sound (Power Off Check)
Power On Check
Go to No Sound (Power On Check)
Replace
G board or JK board
or AC Adaptor
NG
OK
G or JK board
or AC Adaptor
DC_ALERT
3-times blinking
(DC Alert)
Check “+5.0V_VBUS”
at C431 on B* board
4.959V<Voltage<5.285V?
Other flows
OK
NG
BMKS / BMKP board
Check “POWER_MAIN”
at pin 17/19 of CN400
on B* board,
Voltage = 18.0
~
20.0V or
22.5
~
24.5V ?
NG
G board
JK board
AC Adaptor
OK
Summary of Contents for BRAVIA XBR-75X940E
Page 72: ...XBR 55 65X930E 75X940E DISASSEMBLY 1 7 COVER BTM L PUC 1 XBR 55X930E 72 1 2 3 COVER BTM L PUC ...
Page 81: ...XBR 55 65X930E 75X940E DISASSEMBLY 1 16 TAPE 1 XBR 55X930E 81 TAPE TAPE 1 2 NOTE ...
Page 82: ...XBR 55 65X930E 75X940E DISASSEMBLY 1 17 TAPE 1 XBR 55X930E 82 NOTE 1 2 TAPE 3 TAPE TAPE ...
Page 86: ...XBR 55 65X930E 75X940E DISASSEMBLY 1 21 TAPE 1 XBR 55X930E 86 NOTE TAPE TAPE TAPE 1 2 3 ...
Page 87: ...XBR 55 65X930E 75X940E DISASSEMBLY 1 22 TAPE 1 XBR 55X930E 87 NOTE 1 TAPE 2 3 TAPE TAPE ...
Page 92: ...XBR 55 65X930E 75X940E DISASSEMBLY 1 27 WIRE DRESSING 1 XBR 55X930E 92 1 3 2 4 ...
Page 99: ...XBR 55 65X930E 75X940E DISASSEMBLY 1 34 TAPE 1 XBR 55X930E 99 NOTE 1 2 3 TAPE TAPE TAPE ...
Page 133: ...XBR 55 65X930E 75X940E DISASSEMBLY 2 16 TAPE 2 XBR 65X930E 133 NOTE 1 TAPE TAPE TAPE 2 3 ...
Page 134: ...XBR 55 65X930E 75X940E DISASSEMBLY 2 17 TAPE 2 XBR 65X930E 134 NOTE TAPE 1 2 3 TAPE TAPE ...
Page 135: ...XBR 55 65X930E 75X940E DISASSEMBLY 2 18 TAPE 2 XBR 65X930E 135 NOTE TAPE TAPE TAPE 1 2 3 ...
Page 141: ...XBR 55 65X930E 75X940E DISASSEMBLY 2 24 TAPE 2 XBR 65X930E 141 TAPE NOTE 1 2 3 TAPE TAPE ...
Page 144: ...XBR 55 65X930E 75X940E DISASSEMBLY 2 27 WIRE DRESSING 2 XBR 65X930E 144 1 3 4 2 ...
Page 182: ...XBR 55 65X930E 75X940E DISASSEMBLY 3 14 TAPE 3 XBR 75X940E 182 NOTE 1 2 3 TAPE TAPE TAPE ...
Page 184: ...XBR 55 65X930E 75X940E DISASSEMBLY 3 16 TAPE 3 XBR 75X940E 184 NOTE 1 2 3 TAPE TAPE TAPE ...
Page 190: ...XBR 55 65X930E 75X940E DISASSEMBLY 3 22 TAPE 3 XBR 75X940E 190 NOTE 1 2 3 TAPE TAPE TAPE ...
Page 191: ...XBR 55 65X930E 75X940E DISASSEMBLY 3 23 WIRE DRESSING 3 XBR 75X940E 191 1 2 3 4 ...
Page 198: ...XBR 55 65X930E 75X940E DISASSEMBLY 3 30 TAPE 3 XBR 75X940E 198 NOTE 1 2 3 TAPE TAPE TAPE ...
Page 217: ...XBR 55 65X930E 75X940E DISASSEMBLY 3 48 FFC 75 3 XBR 75X940E 217 1 FFC 75 1 ...
Page 221: ...XBR 55 65X930E 75X940E DISASSEMBLY 3 52 WIRE DRESSING 3 XBR 75X940E 221 2 1 NOTE ...
Page 223: ...XBR 55 65X930E 75X940E DISASSEMBLY 3 54 CUSHION SPACER LD 3L PUC 3 XBR 75X940E 223 NOTE ...