Sony XBR-43X830C / XBR-49X830C / XBR-49X835C / XBR-49X837C / XBR-49X839C Service Manual ▷ View online
XBR-43X830C, 49X830C, 835C, 837C, 839C
113
TROUBLE SHOOTING
3-5-9. FOR ANALOG TUNING: @ All destination except JP
Notes:
- Parts for IFOUT_N line: R6007, FB6002, C6008, R6327,
C6301, R6301.
- Parts for IFOUT_P line: R6008, FB6003, C6009, R6326,
C6300, R6300.
- Parts for IFAGC line: R6072, R6009, R6010, R6069, C6302,
R6303.
: Insert correct signal in correct terminal.
A
OK
Analog Tuning
NG
For LA-ISDB(BR/AR), LA-T2(COL) and TW only
For Other destination
Change NG parts
Check IC1000(SOC)
OK
Confirm ANT or Cable connection
A
NG
Check part mounting condition for
analog control line
“IFOUT_N, IFOUT_P, IFAGC”
XBR-43X830C, 49X830C, 835C, 837C, 839C
114
TROUBLE SHOOTING
3-5-10. FOR DIGITAL TUNING 1: @ TW, NA-ATSC(MX/UC), JP_SKP and LA-T2(COL)
Sound is normal?
OK
No sound
Check part mounting condition for digital data line
“IFOUT_N, IFOUT_P, IFAGC”
Check IC1000 (SoC)
Digital Tuning 1
OK
Check SOC(IC1000) and Tuner
module
Change NG parts
Confirm ANT or Cable connection
For TW only
For all
tuners
except TW
Notes:
- Parts for IFOUT_N line: R6007, FB6002, C6008, R6327, C6301,
R6301.
- Parts for IFOUT_P line: R6008, FB6003, C6009, R6326, C6300,
R6300.
- Parts for IFAGC line: R6072, R6009, R6010, R6069, C6302,
R6303.
NG
A
NG
: Insert correct signal in correct terminal.
A
XBR-43X830C, 49X830C, 835C, 837C, 839C
115
TROUBLE SHOOTING
3-5-11. FOR DIGITAL TUNING 2: @ AEP_W, JP_SKP, PA_T2, CH/HK, LA-ISDB(BR/AR) and LA-T2(COL)
On Service
mode display
TS_LOCK ?
UEC ?
CASE B
No sound
Check part mounting condition for digital data line
“TU1_TS_DATA0, TU1_TS_CLK, TU1_TS_VALID, TU1_TS_SYNC”
Change Tuner module
(Refer to Note tuner )
Digital Tuning 2
Confirm ANT or Cable connection
Confirm ANT or Satellite connection
For LA-ISDB(BR) and
LA-T2(COL) only
For AEP-W
For PA_T2 and
CH/HK only
OK
Notes:
- Parts for TU1_TS_DATA0 line: R6015,
R6321.
- Parts for TU1_TS_CLK line: R6016, R6322.
- Parts for TU1_TS_VALID line: R6017, R6323.
- Parts for TU1_TS_SYNC line: R6018, R6324.
- CASE A : TS _LOCK = LOCK and UEC
constant
- CASE B : TS _LOCK = UNLOCK or UEC is
increasing
Digital cable/ Terrestrial
Refer to Digital Tuning 1
Terrestrial
Cable
OK
Change NG parts
NG
OK
Sound is normal?
OK
Check IC1000 (SoC)
Check IC1000 (SoC)
CASE A
Confirm ANT or Satellite connection
BS/CS or SKP_Opticast/
SKP_Premium or terrestrial
Refer to Digital Tuning 1
All except SKP_Opticast
For JP_SKP
SKP_Opticast
OK
Note Tuner –
(IC reference -- destination)
TU6001 - PA-T2
TU6001 - LA-T2/LA-ISDB
TU6001 - CH, HK
TU6003 - AEP_W
TU6802 - JP_SKP
A
A
A
NG
NG
NG
: Insert correct signal in correct terminal.
A
XBR-43X830C, 49X830C, 835C, 837C, 839C
116
TROUBLE SHOOTING
3-5-12. NO PICTURE: HDMI1
No Picture
Check other
HDMI input
Other Input is OK
All Inputs 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:4.7~5.3V
Replace
R5515
+5V line is OK
and HPD line
is NG
Spec:2.4~5.3
V
Only DDC
lines
are NG
Only TMDS
lines
are NG
All lines
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
CN5202
Replace
JC5216, JC5217
RB5209, RB5210
NG
NG
Replace
IC1000
JC5227, JC5228, JC5235, JC5236
JC5241, JC5242, JC5243, JC5244
Change B-Board.
Replace IC5212
(HDMI EQ).
Replace IC5212
(HDMI EQ).
Change B-Board.
Change B-Board.
If you can do
component repair
If you can do
component repair
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