Sony KDL-65W850C / KDL-65W855C / KDL-65W857C / KDL-65W858C / KDL-65W859C / KDL-75W850C / KDL-75W855C Service Manual ▷ View online
49
C6302
R6069
R6303
BMX BOARD (A Side)
Troubleshooting
50
3-4-3.FOR DIGITAL TUNING 1: @ TW and LA-ATSC(MX/UC).
Notes:
- Parts for IFOUT_N line: R6007, FB6002, C6008,
- Parts for IFOUT_N line: R6007, FB6002, C6008,
R6327, C6301, R6301.
- Parts for IFOUT_P line: R6008, FB6003, C6009,
- Parts for IFOUT_P line: R6008, FB6003, C6009,
R6326, C6300, R6300.
- Parts for IFAGC line: R6072, R6009, R6010, R6069,
- Parts for IFAGC line: R6072, R6009, R6010, R6069,
C6302, R6303.
- Parts for I2C_A_SDA line: R6001, C6004.
- Parts for I2C_A_SCL line: R6002, C6005.
- Parts for I2C_A_SDA line: R6001, C6004.
- Parts for I2C_A_SCL line: R6002, C6005.
Sound is normal?
OK
No sound
Check part mounting condition for digital data line
“IFOUT_N, IFOUT_P, IFAGC”
NG
If UEC > 0
If UEC = 0
Confirm UEC of digital
RF by Service mode
Check IC1000 (SoC)
Digital Tuning 1
OK
Change B* board
Done (End)
Please re-upgrade
Firmware (PKG), Check
again Picture quality?
OK
NG
Confirm ANT
or Cable connection
For TW only
For LA-ATSC(MX/UC) only
Channel can be lock?
Check part mounting
condition for
digital control line
“I2C_A_SDA,I2C_A_SCL”
NG
OK
NG
OK
Troubleshooting
51
BMX BOARD (A Side)
R6326
C6300
R6300
R6327
C6301
R6301
R6008
FB6003
C6009
R6007
FB6002
C6008
R6072
R6009
R6010
C6004
R6001
C6005
R6002
Troubleshooting
52
BMX BOARD (A Side)
C6302
R6069
R6303
Troubleshooting
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