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
53
3-4-4.FOR DIGITAL TUNING 2: @ AEP-T2S2, JP, PA_T2, CH/HK, LA-ISDB(BR/AR) and LA-T2(COL).
Sound is normal?
OK
No sound
Check part mounting condition for digital data line
“TU1_TS_DATA0, TU1_TS_CLK”
OK
NG
If UEC > 0
If UEC = 0
Confirm UEC of digital RF by Service mode
Check IC1000 (SoC)
Digital Tuning 2
Change B* board
Done (End)
Please re-upgrade
Firmware (PKG), Check
again Picture quality?
OK
NG
Confirm ANT or
Cable connection
Confirm ANT or Satellite connection
For LA-ISDB(BR) and
LA-T2(COL) only
For AEP-T2S2 and
JP only
For PA_T2 and
CH/HK only
Channel can be lock?
OK
NG
OK
NG
Check part mounting condition for
digital control line
“I2C_A_SDA,I2C_A_SCL”
Notes:
- Parts for I2C_A_SDA line: R6001,
- Parts for I2C_A_SDA line: R6001,
C6004.
- Parts for I2C_A_SCL line: R6002,
- Parts for I2C_A_SCL line: R6002,
C6005.
- Parts for TU1_TS_DATA0 line: R6015,
- Parts for TU1_TS_DATA0 line: R6015,
R6321.
- Parts for TU1_TS_CLK line: R6016,
- Parts for TU1_TS_CLK line: R6016,
R6322.
Troubleshooting
Note: Board Details refer Section 3
main page.
54
BMX BOARD (A Side)
R6016
R6015
C6004
R6001
C6005
R6002
Troubleshooting
55
R6321
R6322
BMX BOARD (A Side)
Troubleshooting
56
3-4-5. NO PICTURE: HDMI1
No Picture
Check other
HDMI input
Other Input is OK
All Inputs
are NG
are NG
Check Picture by other TV set
which is same model
Reference
TV set
NG
Check Source equipment
by Reference TV set
(For example, RB1)
Check the below point at
Connector side
・
Check +5V line
・
Check HPD line
・
Check DDC lines
・
Check TMDS lines
Only +5V
line
is NG
Spec:4.7~5.
is NG
Spec:4.7~5.
3V
Replace
R5427
+5V line is OK
and HPD line
is NG
Spec:2.4~5.3V
and HPD line
is NG
Spec:2.4~5.3V
Only DDC
linesare NG
Only TMDS
lines
are NG
are NG
All
lines
are
are
NG
Check the settings of
Source equipment
Target board & other
TV set both NG
Other TV set
OK
Is Distributor used ?
NO
YES
Connect Source
equipment directly
Reference TV Set
OK
Replace
R5424,R5425
Replace
CN5401
Replace
RB5405,RB5406,RB5407,
RB5408
NG
NG
NG
Replace
IC1000
Change B* Board
Replace IC1000 (SoC)
Troubleshooting
Click on the first or last page to see other 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 manuals if exist.