Sony XBR-49X835C, Service Manual

Page: 117 / 160

XBR-43X830C, 49X830C, 835C, 837C
117
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