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Digital Tuning 2

C

fi

ANT

C bl

ti

C

fi

ANT

S t llit

ti

For LA-ISDB(BR) and
LA-T2(COL) only

For AEP-W

For PA_T2 and 
CH/HK only

C

fi

ANT

S t llit

ti

For JP_SKP

A

A

A

NG

NG

NG

Confirm ANT or Cable connection

Confirm ANT or Satellite connection

y

OK

Digital cable/ Terrestrial 

Terrestrial

Cable

OK

OK

Confirm ANT or Satellite connection

BS/CS or SKP_Opticast/ 

SKP_Premium or terrestrial 

All except SKP_Opticast

OK

A

A

A

On Service 

No sound

Notes:

Refer to Digital Tuning 1

Cable

Sound is normal?

OK

Check IC1000 (SoC)

Refer to Digital Tuning 1

SKP_Opticast

mode display 

TS_LOCK ?

UEC ? 

CASE B

Change Tuner module

(Refer to Note tuner )

- 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 A

Check part mounting condition for digital data line

“TU1_TS_DATA0, TU1_TS_CLK, TU1_TS_VALID, TU1_TS_SYNC”

- CASE B : TS _LOCK = UNLOCK or UEC is 
increasing

NG

OK

Note Tuner –
(IC reference -- destination) 
TU6001 - PA-T2
TU6001 - LA-T2/LA-ISDB

Change NG parts

Check IC1000 (SoC)

TU6001  LA T2/LA ISDB
TU6001 - CH, HK
TU6003 - AEP_W
TU6802 - JP_SKP

: Insert correct signal in correct terminal.

A

109

Side Key button 
malfunction

Change Switch Unit

Switch unit issue

OK

NG

Harness on Switch Unit

and B* Board properly connected

Harness 

connection

issue

NG

OK

Change 

Switch unit-B* board Harness

Harness issue

OK

NG

NG

Power Key (B*Board)

Check parts value : 

0 ohm < R1089 < 2 ohm

4.4k ohm < R1432 < 5k ohm

NG

Key AD(B*Board)

Check parts value : 

0 ohm < R1091 < 2 ohm
0 ohm < R1042 < 2 ohm

NG

OK

Parts Broken issue

NG

OK

Muffin IC1000

problem

Power Key Muffin Pin (B*Board)

Check voltage(Power ON condition) : 

3.13V < Voltage < 3.47V

NG

OK

OK

Key AD muffin pin (B*Board)

Check voltage (Power ON condition): 

1.62V < voltage < 1.84V

OK

OK

NG

Change B*Board

NG

NG

110

Check whether center 

white LED blink ,when using

commander near the sensor 

windows

IR do not response to 
Remote Commander

Remote control battery 

could be weak.

Change battery. 

Center white LED

lit up when remote  

control is pressed

OK

OK

NG

Harness on H-board 

and B* Board 

properly connected

Harness 

connection

issue

NG

OK

Change 

H-B* board Harness

H-B* board harness 

issue

OK

NG

OK

B*Board

Check parts value :

Change Smart Core 

OK

Smart core issue 

NG

NG

Parts Broken issue

Check parts value :

R1080 = zero ohm

SIRCS (IC1000 Pin Y35 , B*Board)

Check voltage (Power ON condition):

Muffin IC1000

problem

OK

Parts Broken issue 

OK

3.287V < Voltage < 3.55V?

Change B*Board

problem

NG

111

Backlight doesn’t change 
when ambient lighting 
level changed

Check UI setting for light 
Sensor. Make sure it is “on”

Change the UI setting 

to “ON”

OK

NG

User did not activate light 

sensor function

OK

OK

Harness on H-board and 

B* Board properly connected

Harness connection

issue

Change

NG

OK

H-B* board harness 

Change 

H-B* board Harness

Change Smart Core

OK

NG

issue

Smart Core issue

B*Board

Check LIGTH_SENSOR signal path :

R1079 = zero ohm

NG

NG

OK

Part broken issue

LIGTH_SENSOR (Muffin Pin L35)

Check voltage variation from

room light to  dark  condition

Muffin IC1000 problem

OK

OK

NG

Change B*Board

112