XBR-49/55/65/75X900E
TROUBLE SHOOTING
FLOW
1-3. NO POWER DDCON/LDO
DDCONs CHECK ON JK*
23
Check Enable pin
voltage
Is voltage >2.5V?
No Power U-Com Failure
Change Fuse
no
no
START
yes
Change DDCON IC
Check fuse
F9001
Is fuse OK?
Check Vcc voltage
C9023
Is voltage >18V?
no
yes
yes
AC Adaptor
Check
F9000
On JK* board
OK
(Both side are
19.5V or 24V.)
NG
(Both side are No power.)
NG
(Only single side is
19.5V or 24V.)
Q9002 or
drive circuit around Q9002
on JK* board
F9000
IC Ref
Voltage supply
IC9000
+12V_MAIN
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 ...