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5

New part of microcomputer (IC3002) and EEPROM (IC3001) on the I. LINK board cannot be used. Therefore, if the mounted I. LINK
board (A-4733-835-A) is replaced, exchange new microcomputer  and new EEPROM with that used before the replacement.

The standing boards connected to the MOTHER board via the connectors can be operated using the jig with the standing boards discon-
nected from the MOTHER board.
In such a case, for the board with the bracket (back panel), remove the board together with the bracket from the MOTHER board, and
connect the bracket to the chassis using a cable attached with alligator clips for GND connection.

Board

Ref. No. of connector

Pitch/Pin

Part No. of jig

Each board

MOTHER board

DIGITAL board

CN2001

CNS801

1.25mm/20 pin

J-2501-260-A

CN2002

CNS802

1.25mm/20 pin

J-2501-260-A

CN2003

CNS803

1.25mm/16 pin

J-2501-258-A

CN2004

CNS804

1.25mm/18 pin

J-2501-259-A

CN2005

CNS805

1.25mm/20 pin

J-2501-260-A

I. LINK board

CN3501

CNS806

1.25mm/16 pin

J-2501-258-A

CN3502

CNS807

1.25mm/18 pin

J-2501-259-A

CN3503

CNS808

1.25mm/6 pin

J-2501-253-A

MAIN board

CN101

CNS810

1.25mm/14 pin

J-2501-257-A

CN102

CNS811

1.25mm/14 pin

J-2501-257-A

CN103

CNS809

1.25mm/8 pin

J-2501-254-A

CN104

CNS825

1.25mm/20 pin

J-2501-260-A

CN105

CNS824

1.25mm/10 pin

J-2501-255-A

PREOUT board

CN1201

CNS822

1.25mm/16 pin

J-2501-258-A

CN1203

CNS823

1.25mm/10 pin

J-2501-255-A

SUB board

CN1003

CNS812

1.25mm/14 pin

J-2501-257-A

CN1002

CNS813

1.25mm/14 pin

J-2501-257-A

CN1001

CNS814

1.25mm/8 pin

J-2501-254-A

CN1006

CNS826

1.25mm/12 pin

J-2501-256-A

VIDEO board

CN302

CNS816

1.25mm/18 pin

J-2501-259-A

CN301

CNS815

1.25mm/8 pin

J-2501-254-A

S-VIDEO board

CN402

CNS817

1.25mm/20 pin

J-2501-260-A

CN401

CNS818

1.25mm/6 pin

J-2501-253-A

COMPONENT board

CN1303

CNS819

1.25mm/20 pin

J-2501-260-A

CN1302

CNS820

1.25mm/16 pin

J-2501-258-A

CN1301

CNS821

1.25mm/20 pin

J-2501-260-A

AMP board

CN1501

CN824

2.5mm/20 pin

J-2501-262-A

CN1507

CN816

2.5mm/6 pin

J-2501-261-A

CN1508

CN815

2.5mm/6 pin

J-2501-261-A

6

 Follow the disassembly procedure in the numerical order given.

1

nine screws
(BV3 

×

 8)

2

nine screws
(BV3 

×

 8)

3

bottom plate

mother board

FSP board

DC board

NOTE:

•

FSP board can be removed in this state.

•

In the same state after removing a FSP board,
the check of DC board can be performed.

7

 Case (top) and Case (side-L)/(side-R) are removed.

digital board

Please place a sheet 
for insulation.

aligator clip

Connect jig (J-2501-253-A) 
to the AMP board (CN1507) 
and mother board (CN816).

Connect jig (J-2501-260-A) 
to the AMP board (CN1501) 
and mother board (CN824).

Connect jig (J-2501-253-A) 
to the AMP board (CN1508) 
and mother board (CN815).

8

 Please open a front panel on the right hand side of the set front.

DISP board

front panel section

PART No.

Model

PART No.

AEP model

4-248-144-1

[]

Korean model

4-248-144-2

[]

Taiwan model

4-248-144-3

[]