XBR-49X835D
27
TROUBLE SHOOTING
FLOW
1-4. NO POWER MUFFIN2 FAILURE
Muffin2 Fail Suspected
Muffin2 LOG is
displayed
No
Yes
Follow 1.2&1.3
Yes
Check Muffin Log
related to eMMC
Is there
“CRC error”
Power uCom and
DDCON/LDO OK?
No
Yes
Replace eMMC
Crystal X1000
Is there 24MHz?
Replace crystal
No
Yes
Muffin reset released?
ORESETB=High
Check uCom
Follow 1.2
No
Yes
eMMC clock present?
Write DDR check
bootloader
No
Yes
eMMC
data corruption
No
Is there DDR error?
Replace Muffin
Replace DDR
Yes
Store SW log, check SW
behaviors.
Is there DDR error?
Write DDR check
bootloader
No
Replace DDR
Yes
No
1-5. NO POWER MUFFIN2 REPLACEMENT
Muffin2 replacement
SW write
Muffin2
replacement flow
eMMC
erase
Data on eMMC need to
be erase first before
changing Muffin
If cannot be erased,
erase after replacing
Muffin
Summary of Contents for XBR-49X835D
Page 66: ...XBR 49X835D 66 DISASSEMBLY 1 5 TAPE 1 XBR 49X835D TAPE 3 4 5 TAPE TAPE TAPE 1 2 ...
Page 67: ...XBR 49X835D 67 DISASSEMBLY 1 6 WIRE DRESSING AND TAPE 1 XBR 49X835D 2 TAPE 3 1 TAPE ...
Page 69: ...XBR 49X835D 69 DISASSEMBLY 1 8 TAPE 1 XBR 49X835D 1 TAPE TAPE 2 3 TAPE ...
Page 70: ...XBR 49X835D 70 DISASSEMBLY 1 9 TAPE 1 XBR 49X835D 2 TAPE 3 1 TAPE TAPE ...
Page 71: ...XBR 49X835D 71 DISASSEMBLY 1 10 TAPE AND WIRE DRESSING 1 XBR 49X835D TAPE 1 2 ...
Page 73: ...XBR 49X835D 73 DISASSEMBLY 1 12 TAPE 1 XBR 49X835D 1 2 TAPE TAPE 3 TAPE ...
Page 81: ...XBR 49X835D 81 DISASSEMBLY 1 20 BRACKET SIDE PDT 1 XBR 49X835D 1 2 3 BRACKET SIDE PDT ...
Page 85: ...XBR 49X835D 85 DISASSEMBLY 1 24 SLIDE CLAMP 1 XBR 49X835D SLIDE CLAMP SLIDE CLAMP SLIDE CLAMP ...
Page 88: ...XBR 49X835D 88 DISASSEMBLY 1 27 TAPE AND LCD PANEL 1 XBR 49X835D 1 TAPE 2 LCD PANEL ...
Page 89: ...XBR 49X835D 89 DISASSEMBLY 2 1 BRACKET WIFI ASSY 2 SMART CORE S BRACKET WIFI ASSY 1 3 2 ...
Page 91: ...XBR 49X835D 91 DISASSEMBLY 2 3 COVER TOP 2 SMART CORE S COVER TOP 1 3 2 ...
Page 92: ...XBR 49X835D 92 DISASSEMBLY 2 4 HSC4 S 2 SMART CORE S HSC4 S 1 3 2 NOTE ...
Page 105: ...XBR 49X835D 105 APPENDIX 3 UNIVERSAL Silicon Tuner Information ...