XBR-55/65X930D, 65X935D/937D, 75X940D
43
TROUBLE SHOOTING
FLOW
4-4. NO PICTURE (@ TUNER)
Note:
I2C line for all tuners except Japan_SKP
- Parts for I2C_A_SDA line: R6001, C6004.
- Parts for I2C_A_SCL line: R6002, C6005.
I2C line for Japan_SKP
- Parts for I2C_D_SDA line: R6003,C6006
- Parts for I2C_D_SCL line: R6004,C6007
TU_1.1V line only in Japan_SKP Tuner
- Parts for TU_1.1V: FB6800
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 JL6005 = 3.3V?
1.8V at JL6006 = 1.8V?
DEM_3.3V at JL6019 = 3.3V?
A_RESET value at JL6012 = 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_A_SDA, I2C_A_SCL
or
I2C_D_SDA, I2C_D_SCL”
Refer Note I2C
Change NG parts
connected to I2C bus
NG
OK
Analog
Refer Analog Tuning
Refer Digital Tuning 1
Digital
Check Tuner power line
12V at JL6027 = 12V?
Satellite
Refer Digital Tuning 2
NG
OK
12V LNB Voltage
Checking
For TW & NA-ATSC
(MX/UC) only
All tuners except
TW & NA-ATSC(MX/UC)
Terrestrial/Cable
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 ...