DOWNLOAD Sony CDX-L350 / CDX-L450X / CDX-L470X / CXS-2100 Service Manual ↓ Size: 8.7 MB | Pages: 71 in PDF or view online for FREE

1

US Model

Canadian Model

CDX-L350

AEP Model

CDX-L450X

E Model

CDX-L450X/L470X

Subject : Change of LED

Change of Main Board

The LED indicators on the display board of the CDX-L450X and CDX-L470X
have been changed in the process of production.
When replacing D561 through D564 and D567 through D581, check the former
and new parts and replace by the same parts.

(ENG-01010, ECN-CSA05035)

Cathode Mark

Cathode Mark

Part No.
Former : 8-719-083-97 SA1316
New

: 8-719-053-09 SML-310VTT86

- MAIN BOARD (COMPONENT SIDE) -

MAIN BOARD Part No.
Former :1-680-662-11
New     :1-680-662-23

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

Former

New

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.

4

4

US,Canadian,E Model

AEP Model

((Page 28))

((Page 23))

D401

D-6

D402

D-8

D444

E-7

D601

E-2

D604

F-2

D901

C-12

D903

C-11

D904

B-11

D906

D-12

D907

D-12

D908

E-12

D909

F-13

D910

E-9

D913

H-14

D914

K-10

D915

C-10

D916

C-8

D917

C-10

D918

C-8

D919

B-9

D920

A-9

D921

A-9

D922

C-10

D923

G-10

D930

I-12

D999

H-13

IC101

B-8

IC401

D-5

IC601

G-4

IC801

I-9

IC902

K-12

Q101

C-3

Q102

C-4

Q201

C-5

Q202

C-4

Q401

D-8

Q402

E-8

Q601

E-3

Q603

I-3

Q604

I-5

Q605

I-3

Q606

I-4

Ref. No.

Location

Ref. No.

Location

Ref. No.

Location

Q902

E-11

Q903

F-12

Q904

E-12

Q905

H-11

Q906

H-11

Q907

B-14

Q909

E-11

Q910

F-10

Q911

H-11

Q912

H-12

Q913

G-12

Q914

I-11

Q915

I-12

Q916

J-11

Q917

F-13

Q918

G-11

Q919

G-10

Q920

H-12

Q921

G-12

Q929

G-11