Sony KDL-43W755C / KDL-43W756C / KDL-43W800C / KDL-43W805C / KDL-43W807C / KDL-43W808C / KDL-43W809C / KDL-50W755C / KDL-50W756C / KDL-50W800C / KDL-50W805C / KDL-50W807C / KDL-50W808C / KDL-50W809C / KDL-55W755C / KDL-55W756C / KDL-55W800C / KDL-55W805C / KDL Service Manual ▷ View online
45
Troubleshooting
IC9013 (Pin 4)
(BL_ON)
BMX Probing Points
BMX (A-Side)
3-4-1. Video Analog Signal Path
46
47
3-4-2. FOR ANALOG TUNING: @ All destination except JP.
Change B* board
OK
Not Noisy
OK
NG
Check part mounting condition
for analog control line
“IFOUT_N, IFOUT_P, IFAGC”
Please re-upgrade Firmware
(PKG), Check again Picture
quality?
Done (End)
OK
NG
Analog Tuning
NG
Noisy
Confirm ANT or Cable connection
For LA-ISDB(BR/AR) , LA-T2(COL) and TW only
For Other destination
Channel can be lock?
Picture quality is noisy?
Notes:
- Parts for IFOUT_N line: R6007, FB6002, C6008, R6327,
- Parts for IFOUT_N line: R6007, FB6002, C6008, R6327,
C6301, R6301.
- Parts for IFOUT_P line: R6008, FB6003, C6009, R6326,
- 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.
Troubleshooting
Note: Board Details refer Section 3
main page.
48
BMX BOARD (A Side)
R6326
C6300
R6300
R6327
C6301
R6301
R6008
FB6003
C6009
R6007
FB6002
C6008
R6072
R6009
R6010
Troubleshooting
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