Sony KDL-32R324D / KDL-40R354D / KLV-32R326D / KLV-40R356D Service Manual ▷ View online
3-8. TUNER
3-8-1. NO SOUND: TUNER
57
This troubleshooting is only for Analog
No Sound with normal picture
Please refer Audio
troubleshooting
YES
NO
Only RF tuner input?
Check IC5000 (SoC)
3-8. TUNER
3-8-2. NO PICTURE: @ TUNER
58
RF input no picture / noisy
picture
Change RF cable and antenna
Please refer DDCON
troubleshooting
OK
OK
Analog
NG
NG
Refer Analog Tuning
Refer Digital Tuning 1
Digital
Check RF source cable
and antenna, OK?
Check Tuner power line:
3.3V at JL1035 = 3.3V?
1.8V at JL1004 = 1.8V?
DEM_3.3V at JL1018 = 3.3V?
Tuning for Analog, Digital or
Satellite?
Check Tuner power line
12V at JL1026 = 12V?
Satellite
Refer Digital Tuning 2
NG
OK
12V LNB Voltage
Checking
For TW & LA-ATSC
(MX/UC) only
For AEP-T2S2,, PA_T2, CH
LA-ISDB(BR/AR) and LA-T2(COL) only
59
BA BOARD (B Side)
JL1035
JL1035
JL1018
3-8. TUNER
3-8-3. FOR ANALOG TUNING: @ All destination
60
Change B-board
OK
Not Noisy
OK
NG
Check part mounting condition
for analog control line
“IFOUTN1, IFOUTP1,
IFAGC1”
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)
For Other destination
Channel can be lock?
Picture quality is noisy?
Notes:
- Parts for IFOUTN1 line: C1013,FB1000,C1011, R1061, C1027,R1055, R1057.
- Parts for IFOUTP1 line: C1015,FB1001,,C1012,R1062,C1028, R1062, R1056,
- Parts for IFAGC1 line: C1017,R1049, R1050, C1029, R1058.
- Parts for IFOUTN1 line: C1013,FB1000,C1011, R1061, C1027,R1055, R1057.
- Parts for IFOUTP1 line: C1015,FB1001,,C1012,R1062,C1028, R1062, R1056,
- Parts for IFAGC1 line: C1017,R1049, R1050, C1029, R1058.
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