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Model
KDL-32R400C KDL-32R403C KDL-32R405C KDL-32R408C KDL-32R410C KDL-40R450C KDL-40R453C KDL-40R455C KLV-32R412C
Pages
127
Size
14.66 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / COMMON
File
kdl-32r400c-kdl-32r403c-kdl-32r405c-kdl-32r408c-kd.pdf
Date
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Sony KDL-32R400C / KDL-32R403C / KDL-32R405C / KDL-32R408C / KDL-32R410C / KDL-40R450C / KDL-40R453C / KDL-40R455C / KLV-32R412C Service Manual ▷ View online

3-9. TUNER
3-9-6. FOR DIGITAL TUNING 2: @ AEP-T2S2, PA_T2, CH, LA-ISDB(BR/AR) and LA-T2(COL).
Digital Tuning 2
For LA-ISDB(BR) and
LA-T2(COL) only
For AEP-T2S2 
Notes:
- Parts for M_SCL line:  R5027.
- Parts for M_SDA ine: R5016
- Parts for DEMOD TSCLK line:R1029
Confirm ANT or Cable connection
Confirm ANT or Satellite connection
For PA_T2 and 
CH
_
- Parts for DEMOD_TSDATA line: 
-R1030,R1031, R1032,R1033, R1034,R1035, R1036
OK
Channel can be lock?
OK
NG
OK
NG
Check part mounting condition for 
digital control line
“M_SDA,M_SCL”
Sound is normal?
OK
No sound
If UEC > 0
If UEC = 0
Confirm UEC of digital RF by Service mode
Check IC5000 (SoC)
Check part mounting condition for digital data line
“DEMOD_TSCLK, DEMOD_TSDATA” 
OK
NG
Please re-upgrade Firmware 
(PKG), 
Check again Picture quality?
OK
NG
113
Change board
Done (End)
BE BOARD (A Side)
R1031
R1033
R5027
R5016
R1033
R1034
R1034
R1032
R1030
R1032
R1035
114
BA BOARD (A Side)
R1058
(
)
C1029
R5016
R5027
R1031
R1033
R1035
R1031
R1035
R1034
115
R1030
R1032
R1034
R1030
3-10. Tact Key
3-10-1. Switch Unit Buttons 
Switch Unit NOT FUNCTIONING
NG
*VOLTAGE  LEVEL FOR EACH PRESSED BUTTON
KEY
Voltage (average)
Voltage range
OK
NG
Check Wire Harness
And Connector 
Connection?
Change Wire Harness
And connect properly
-
0.000
0.00 – 0.2
+
1.114
1.00 – 1.22
CH/Input
1.693
1.53 – 1.86
No Input
2 420
2 3 – 2 54
** Check 3.3V
in Pin2, CN1
(Switch Unit)
NG
in 
**Check 3.3V in 
(Pin 8, CN9702 on
BE board) or (Pin 
27 CN9700 in BA
No Input
2.420
2.3  2.54
**see the following slide for probing point at BA board and BE 
board to check 3.3V, and probing point at switch unit
(Switch Unit)
OK
OK
27, CN9700 in BA 
board)
Change Switch Unit
NG
*Check 
Pin 1 Voltage Level 
in CN1 (switch unit)
OK
Change B-board
NG
116
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