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OK
XBR-49X835D
41
TROUBLE SHOOTING
FLOW
4-3. NO PICTURE (TUNER)
RF input no picture / noisy picture
Change RF cable and antenna
Please refer DDCON troubleshooting
OK
NG
NG
Check RF source cable
and antenna, OK?
Check Tuner power line:
3.3V at JL2800 = 3.3V?
1.8V at JL2801 = 1.8V?
DEM_3.3V at JL2830 = 3.3V? (BM2 only)
A_RESET value at JL2807 = 3.3V?
For JP_SK only
– TU1.1 V (Refer notes)
All broadcasting channel
cannot be received?
NO
YES
Check part mounting condition
for I2C SDA & SCL line (Refer Note I2C)
And
Check Tuner module connection (BFM)
Change NG parts connected to
I2C bus
NG
OK
Refer to next page
Notes:
I2C line for all tuners except Japan_SKP
- Parts for I2C SDA line: R2800, C2803.
- Parts for I2C SCL line : R2801, C2804.
I2C line for Japan_SKP
- Parts for I2C SDA line: R2804
- Parts for I2C SCL line : R2805
TU_1.1V line only in BM2 Japan_SKP Tuner
- Parts for TU_1.1V : FB2806
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 ...