XBR-55/65X930D, 65X935D/937D, 75X940D
24
TROUBLE SHOOTING
FLOW
1-3. NO POWER DDCON/LDO
DDCONs check
Check Enable pin
voltage
Is voltage >2.5V?
1-2 No Power U-Com Failure
or
Enable source
Change Fuse
no
no
START
yes
Change DDCON IC
Check fuse
F9xxx / F4xx
Is fuse OK?
Check Vcc voltage
C9xxx / C4xx
Is voltage >12.0V?
Check POWER_ON
IC9017 #pin19
(Refer 1-2 No Power U-Com Failure)
no
yes
yes
Refer this list
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 ...