XBR-65/75X850E
TROUBLE SHOOTING
FLOW
1-3. NO POWER DDCON/LDO
DDCONs CHECK
23
Check Enable pin
voltage
Is voltage >2.5V?
No Power U-Com Failure
or
Enable source
Change Fuse
no
no
START
yes
Change DDCON IC
Check fuse
F4xx or F6xx
Is fuse OK?
Check Vcc voltage
C4xx or C6xx
Is voltage >12.0V?
1) Check POWER_ON P-on ucom #pin10
(Refer No Power U-Com Failure)
2) Check G* board
3) Check IC9000 on JK* (only AC-ADP Models)
no
yes
yes
IC Ref
Voltage supply
IC402
+5.05V_MAIN
IC403
+3.3V_STBY
(AC-ADP only)
/+3.3V_MAIN
IC405
+1.8V_TU/+1.8V_BE
IC404
+1.0V_BE
IC409
+1.5V_FRC
IC410
+0.95V_FRC
IC604
+1.0V_M2
Check Enable pin
voltage
Is voltage >3V?
No Power U-Com Failure
or
Enable source
no
START
yes
Change LDO IC
Check Vcc voltage
C6xx
Is voltage >3V?
Check +3.3V_DDC_OUT
DDCON (IC403)
or
+3.3V_STBY (G* board)
no
yes
LDOs CHECK
IC Ref
Voltage supply
IC602
+1.05V_M2_STBY
IC603
+1.05V_M2_A_1
IC605
+1.05V_M2_ST_ET
IC606
+1.05V_M2_A_2
IC607
VCC3IO_EMMC (1.8V)
Summary of Contents for BRAVIA XBR-65X850E
Page 61: ...XBR 65 75X850E DISASSEMBLY 1 6 TAPE 1 XBR 65X850E 61 TAPE TAPE ...
Page 62: ...XBR 65 75X850E DISASSEMBLY 1 7 TAPE 1 XBR 65X850E 62 TAPE TAPE TAPE ...
Page 64: ...TAPE TAPE XBR 65 75X850E DISASSEMBLY 1 9 TAPE 1 XBR 65X850E 64 ...
Page 65: ...TAPE XBR 65 75X850E DISASSEMBLY 1 10 TAPE AND WIRE DRESSING 1 XBR 65X850E 65 TAPE ...
Page 68: ...XBR 65 75X850E DISASSEMBLY 1 13 WIRE DRESSING 1 XBR 65X850E 68 1 2 3 ...
Page 76: ...XBR 65 75X850E DISASSEMBLY 1 21 SLIDE CLAMP 1 XBR 65X850E 76 1 2 1 2 SLIDE CLAMP SLIDE CLAMP ...
Page 77: ...XBR 65 75X850E DISASSEMBLY 1 22 BRACKET SIDE SBT M 1 XBR 65X850E 77 1 3 2 BRACKET SIDE SBT M ...
Page 87: ...XBR 65 75X850E DISASSEMBLY 2 2 COVER TOP FRE 2 SMART CORE H65 87 1 NOTE 2 3 4 COVER TOP FRE ...
Page 94: ...XBR 65 75X850E DISASSEMBLY 3 6 TAPE 3 XBR 75X850E 94 TAPE TAPE TAPE TAPE ...
Page 97: ...XBR 65 75X850E 3 9 TAPE 3 XBR 75X850E 97 TAPE TAPE TAPE DISASSEMBLY ...
Page 99: ...XBR 65 75X850E 3 11 WIRE DRESSING 3 XBR 75X850E 99 DISASSEMBLY ...
Page 100: ...XBR 65 75X850E 3 12 WIRE DRESSING 3 XBR 75X850E 100 1 2 DISASSEMBLY ...
Page 106: ...XBR 65 75X850E DISASSEMBLY 3 18 TAPE 3 XBR 75X850E 106 1 TAPE TAPE TAPE TAPE NOTE 2 ...
Page 119: ...XBR 65 75X850E DISASSEMBLY 4 2 COVER TOP FRE 4 SMART CORE H 119 1 2 3 4 COVER TOP FRE NOTE ...