Sony hcd cp x 1 service manual

Page 2

HCD-CPX1

Notes on chip component replacement

. Never reuse a disconnected chip component.

- Notice that the minus side ofa tantalum capacitor may be dam7
aged by heat.

Flexible Circuit Board Repairing

- Keep the temperature of the soldering iron around 270 C dur-
ing repairing.

. Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).

- Be careful not to apply force on the conductor when soldering
or unsoldering.

CAUTION

Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous ra-
diation exposure.

This appliance is
CLASSI use: vacuum classified as 3 CLASS 1
wow ASFRWTF LASER product. This
KLASSt LASERAPARAI _

labcl is Iocatcd on thc
rcai exterior.

SAFETY-RELATED COMPONENT WARNING I!

COMPONENTS IDENTIFIED BY MARK A OR DOTTED
LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.

6.

671.
672.
6-3.
674.

675.

6719.

7.

771.
772.
773.
774.
775.
776.
777.
778.

779.

l . Schematic Diagram 7 MAIN Board (1/2)
. Schematic Diagram

. Printed Wiring Board 7 AMP Board 7
. Schematic Diagram 7 AMP Board 7 ..
. Printed Wiring Boards

TABLE OF CONTENTS

SERVICING NOTES ............................................... 3
GENERAL

Location of Controll 7
Setting the Clock. 8
DISASSEMBLY

Dis' 'sembly Flow

Case .................
Front Panel Section
TC Board, Mechanical Dec
MAIN Board .......................
Tuner Unit
CD Mechan m Deck (CDMSSC-KGBD44S)
Loading Board.
Cam (CDMSS)
Base Unit (BUAKGBD44S) .

TEST MODE .............................................................. 15
ELECTRICAL ADJUSTMENTS

Deck Section
CD Section

DIAGRAMS
Block Diagram 7 CD Servo Section 7 ........................... 19
Block Diagram 7 TUNER/TAPE DECK Section 7
Block Diagram 7 MAIN Section 7 ......................
Block Diagram

7 DISPLAY/POWER SUPPLY Section 7 ...................... 22
Note for Printed Wiring Boards and

Schematic Diagrams .....................
Printed Wiring Board 7 BD Board 7
Schematic Diagram 7 BD Board 7
Printed Wiring Board 7 TC Board 7
Schematic Diagram 7 TC Board 7

. Printed Wiring Boards

7 LOADING/MAIN Boards 7 ...............

7 LOADING/MAIN (2/2) Boards 7 ............................... 31

7 BACK LIGHT/LCD/SWITCH Boards 7 .................... 34

. Schematic Diagram

7 BACK LIGHT/LCD/SWITCH Boards 7 ..

. Printed Wiring Board

7 HP/ SP OUT/POWER Boards 7 ................................. 36

. Schematic Diagram

7 HP/ SP OUT/POWER Board.
IC Pin Function Description

EXPLODED VIEWS
Case Section
Front Panel Section-l
Front Panel Section-2
Lid (TC) Section .
Cha is Section-l
Cha Section-2
Chassis Section-3
CD Mechanism Deck Section

46
47
48
49
50
51

(CDM55C7K6BD44S) ..... 52
Base Unit (BU-K6BD44S) . 53
ELECTRICAL PARTS LIST ............................... 54