DOWNLOAD Sony CDX-L550X / CDX-L570X / CXS-3100 Service Manual ↓ Size: 9.38 MB | Pages: 67 in PDF or view online for FREE

41

Ref. No.

Part No.

Description

Remark

PARTS FOR INSTALLATION AND CONNECTIONS
***************************************

251

3-014-370-21 FRAME, FITTING

252

3-916-012-01 BRACKET (ND), FITTING ASSIST (L550X)

253

X-3368-725-1 SCREW ASSY, FITTING (L550X)

254

7-682-160-01 SCREW +P 4X6 (L550X)

255

X-3366-405-1 SCREW ASSY (EXP), FITTING (L570X)

256

3-934-325-01 SCREW (+K 5X8 TP)

257

3-030-929-04 SPRING, FITTING

258

3-226-508-01 COLLAR

259

1-776-207-82 CORD (WITH CONNECTOR) (POWER)

1

US Model

Canadian Model

CDX-L550X

E Model

CDX-L570X

Subject : Change of Main Board

When performing service and inspection, check the suffix of the part number of
the main board.

MAIN Board Part No.
Former :1-679-989-11
New     :1-679-989-12

– MAIN BOARD (COMPONENT SIDE) –

(ECN-CSA04450)

2

1.   Printed Wiring Board –Main Section– ................................... 4
2.   Schematic Diagram –Main Section (1/2)– ............................. 5
3.   Schematic Diagram –Main Section (2/2)– ............................. 6
4.   Electrical Parts List ................................................................. 7

3

3

Note:
The components identi-
fied by mark 

0

 or dotted

line with mark 

0

 are criti-

cal for safety.
Replace only with part
number specified.

Note:
Les composants identifiés par
une marque 

0

 sont critiques

pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.

for schematic diagram:
• All capacitors are in µF unless otherwise noted.  pF: µµF

50 WV or less are not indicated except for electrolytics
and tantalums.

• All resistors are in 

Ω

 and 

1

/

4

 

W or less unless otherwise

specified.

•

%

: indicates tolerance.

•

f

: internal component.

•

C

: panel designation.

•

A

: B+ Line.

• Power voltage is dc 14.4V and fed with regulated dc power

supply from ACC and BATT cords.

• Voltages are taken with a VOM (Input impedance 10 M

Ω

).

Voltage variations may be noted due to normal produc-
tion tolerances.

• Waveforms are taken with a oscilloscope.

Voltage variations may be noted due to normal produc-
tion tolerances.

• Circled numbers refer to waveforms.

• Signal path.

F

: FM

f

: AM

J

: CD

• X

: parts extracted from the component side.

• Y

: parts extracted from the conductor side.

•

x

: parts mounted on the conductor side.

•

a

: Through hole.

•

: Pattern from the side which enables seeing.

(The other layer’s patterns are not indicated.)

Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)

pattern face are indicated.

Parts face side: Parts on the parts face side seen from the
(Side A)

parts face are indicated.

• (

) : Refer to page of Supplement-1.

• ((        )) : Refer to page of Service Manual.