Rf Input No Picture / Noisy Picture - Sony KD-55A9G Service Manual
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Also See for KD-55A9G:
- Reference manual (16 pages) ,
- Setup manual (2 pages) ,
- Reference manual (32 pages)
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2019/04/19 01:55:00 (GMT+09:00)
4.4 NO PICTURE: @ TUNER
4.4 NO PICTURE: @ TUNER
RF input no picture / noisy picture
Check RF source cable
and antenna, OK?
Check Tuner power line:
3.3V at JL2800 = 3.3V?
1.8V at JL2801 = 1.8V?
RESET value at JL2807 = 3.3V?
All broadcasting channel
cannot be received?
Refer to next page
NG
OK
NG
*1
*1
OK
NG
for I2C SDA & SCL line. (Refer Note I2C)
OK
TV Business Division
Change RF cable and antenna
Please refer DDCON
troubleshooting
Check part mounting condition
OK
60
NG
Change NG parts
connected to I2C bus
Notes: I2C
I2C line for all tuners except Japan
- Parts for I2C SDA line: R2800, C2803.
- Parts for I2C SCL line : R2801, C2804.
I2C line for Japan
- Parts for I2C SDA line: R2804
- Parts for I2C SCL line : R2805
It does not use 1.8V and RESET in the UC model
*1
60
SYS SET
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