MEX-XB100BT - Sony Car Audio Service Manual (repair manual). Page 6

MODEL  IDENTIFICATION
Distinguish by Part No. on the bottom side of a main unit.

4-558-654-0[]

US and Canadian models (UC)

4-558-655-0[]

AEP and UK models (EUR)

4-558-656-0[]

Russian model (RU2)

4-558-657-0[]

E and Australian models (E)

4-558-660-0[]

Saudi Arabia model (EA)

TEST  DISCS
Use following TEST DISC (for CD) when this unit confi rms the 
operation and checks it.

Part No.

   

Description

3-702-101-01 DISC 

(YEDS-18), 

TEST

4-225-203-01 DISC 

(PATD-012), 

TEST

NOTE  OF  PERFORMING  THE  OPERATION  CHECK
When performing the operation check in the state that is removed 
the CD mechanism deck from the main unit, it is necessary to use 
a long fl exible fl at cable.
When performing the operation check, use following fl exible fl at 
cable.

Part No.

   

Description

1-846-819-31 

CABLE FLEXIBLE FLAT (27 CORE)

(Length: 150 mm)

NOTE  OF  REPLACING  THE  KEY  BOARD
When the KEY board is defective, replace the FRONT PANEL 
(SV) ASSY (Ref. No. FP1).

NOTE  OF  REPLACING  THE  IC804,  IC1002, IC1009,    
IC1501  AND  Q1507 to Q1510  ON  THE  MAIN  BOARD
IC804, IC1002, IC1009, IC1501 and Q1507 to Q1510 on the 
MAIN board cannot replace with single. When these parts are 
damaged, replace the complete mounted board.

NOTE  OF  REPLACING  THE  IC1600  ON  THE  AMP BOARD  
AND  THE  COMPLETE  AMP  BOARD
When the IC1600 on the AMP board and the complete AMP board 
are replaced, it is necessary to spread the compound  between the 
AMP board and the heat sink.
Spread the compound (OIL COMPOUND (KS609)) referring to 
the fi gure below.