XBR-55/65X930E, 75X940E
TROUBLE SHOOTING
FLOW
4-3. NO PICTURE (TUNER)
39
RF input no picture / noisy picture
Change RF cable and antenna
Please refer DDCON
troubleshooting
OK
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?
A_RESET value at JL2807 = 3.3V?
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.(CN2800)
Change NG parts
connected to I2C bus
NG
OK
Notes: I2C
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
Analog
Refer Analog Tuning
Refer Digital Tuning 1
Digital
Check Tuner power line
12V at JL2822 = 12V?
Satellite
Refer Digital Tuning 2
NG
OK
12V LNB Voltage Checking
For TW, NA-ATSC(MX/UC),
JP_SKP(Opticast) and LA-ISDB-T
For AEP_W, JP_SKP, PA_T2,
CH/HK, and LA-T2(COL)
Terrestrial/Cable
Summary of Contents for BRAVIA XBR-75X940E
Page 72: ...XBR 55 65X930E 75X940E DISASSEMBLY 1 7 COVER BTM L PUC 1 XBR 55X930E 72 1 2 3 COVER BTM L PUC ...
Page 81: ...XBR 55 65X930E 75X940E DISASSEMBLY 1 16 TAPE 1 XBR 55X930E 81 TAPE TAPE 1 2 NOTE ...
Page 82: ...XBR 55 65X930E 75X940E DISASSEMBLY 1 17 TAPE 1 XBR 55X930E 82 NOTE 1 2 TAPE 3 TAPE TAPE ...
Page 86: ...XBR 55 65X930E 75X940E DISASSEMBLY 1 21 TAPE 1 XBR 55X930E 86 NOTE TAPE TAPE TAPE 1 2 3 ...
Page 87: ...XBR 55 65X930E 75X940E DISASSEMBLY 1 22 TAPE 1 XBR 55X930E 87 NOTE 1 TAPE 2 3 TAPE TAPE ...
Page 92: ...XBR 55 65X930E 75X940E DISASSEMBLY 1 27 WIRE DRESSING 1 XBR 55X930E 92 1 3 2 4 ...
Page 99: ...XBR 55 65X930E 75X940E DISASSEMBLY 1 34 TAPE 1 XBR 55X930E 99 NOTE 1 2 3 TAPE TAPE TAPE ...
Page 133: ...XBR 55 65X930E 75X940E DISASSEMBLY 2 16 TAPE 2 XBR 65X930E 133 NOTE 1 TAPE TAPE TAPE 2 3 ...
Page 134: ...XBR 55 65X930E 75X940E DISASSEMBLY 2 17 TAPE 2 XBR 65X930E 134 NOTE TAPE 1 2 3 TAPE TAPE ...
Page 135: ...XBR 55 65X930E 75X940E DISASSEMBLY 2 18 TAPE 2 XBR 65X930E 135 NOTE TAPE TAPE TAPE 1 2 3 ...
Page 141: ...XBR 55 65X930E 75X940E DISASSEMBLY 2 24 TAPE 2 XBR 65X930E 141 TAPE NOTE 1 2 3 TAPE TAPE ...
Page 144: ...XBR 55 65X930E 75X940E DISASSEMBLY 2 27 WIRE DRESSING 2 XBR 65X930E 144 1 3 4 2 ...
Page 182: ...XBR 55 65X930E 75X940E DISASSEMBLY 3 14 TAPE 3 XBR 75X940E 182 NOTE 1 2 3 TAPE TAPE TAPE ...
Page 184: ...XBR 55 65X930E 75X940E DISASSEMBLY 3 16 TAPE 3 XBR 75X940E 184 NOTE 1 2 3 TAPE TAPE TAPE ...
Page 190: ...XBR 55 65X930E 75X940E DISASSEMBLY 3 22 TAPE 3 XBR 75X940E 190 NOTE 1 2 3 TAPE TAPE TAPE ...
Page 191: ...XBR 55 65X930E 75X940E DISASSEMBLY 3 23 WIRE DRESSING 3 XBR 75X940E 191 1 2 3 4 ...
Page 198: ...XBR 55 65X930E 75X940E DISASSEMBLY 3 30 TAPE 3 XBR 75X940E 198 NOTE 1 2 3 TAPE TAPE TAPE ...
Page 217: ...XBR 55 65X930E 75X940E DISASSEMBLY 3 48 FFC 75 3 XBR 75X940E 217 1 FFC 75 1 ...
Page 221: ...XBR 55 65X930E 75X940E DISASSEMBLY 3 52 WIRE DRESSING 3 XBR 75X940E 221 2 1 NOTE ...
Page 223: ...XBR 55 65X930E 75X940E DISASSEMBLY 3 54 CUSHION SPACER LD 3L PUC 3 XBR 75X940E 223 NOTE ...