Sony KDL-32R400C / KDL-32R403C / KDL-32R405C / KDL-32R408C / KDL-32R410C / KDL-40R450C / KDL-40R453C / KDL-40R455C / KLV-32R412C Service Manual ▷ View online
BA BOARD (B Side)
JL1018
JL1035
JL1035
105
3-9. TUNER
3-9-3. FOR 12V LNB Voltage Checking: @ AEP_T2S2
12V LNB Voltage Checking
OK
NG
Check fuse F1000 at
12V line.
Please change fuse if NG
Check Tuner power line
12V at JL003 = 12V?
Check Panel_PWR signal line
at CL6021 = 3.3V?
MOSFET Q6014
broken
OK
Please refer DDCON
troubleshooting
OK
NG
Refer Digital Tuning 2
NG
troubleshooting
Refer Digital Tuning 2
Pl
f
DDCON
Please refer DDCON
troubleshooting
106
BE BOARD EU T2S2 (A Side)
CL6021
F1000
F1000
107
3-9. TUNER
3-9-4. FOR ANALOG TUNING: @ All destination
For LA-ISDB(BR/AR) , LA-T2(COL)
Notes:
Analog Tuning
Confirm ANT or Cable connection
(
) ,
(
)
For Other destination
Notes:
- Parts for IFOUTN1 line: C1013,FB1000,C1011, R1061,
C1027,R1055, R1057.
C1027,R1055, R1057.
- Parts for IFOUTP1 line:
C1015,FB1001,,C1012,R1062,C1028, R1062, R1056,
C1015,FB1001,,C1012,R1062,C1028, R1062, R1056,
NG
Channel can be lock?
- Parts for IFAGC1 line: C1017,R1049, R1050, C1029, R1058.
OK
Check part mounting
condition for analog control
NG
Noisy
Not Noisy
OK
line
“IFOUTN1, IFOUTP1,
IFAGC1”
Picture quality is noisy?
Please re-upgrade
Firmware (PKG), Check
again Picture quality?
OK
NG
Change B-board
Done (End)
108
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