— 2 —
This appliance is classified as
a CLASS 1 LASER product.
The CLASS 1 LASER
PRODUCT MARKING is
located on the rear exterior.
This caution label is located inside
the unit.
The laser component in this product is ca-
pable of emitting radiation exceeding the
limit for Class 1.
CAUTION
Use of controls or adjustments or performance of
procedures other than those specified herein may result in
hazardous radiation exposure.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Flexible Circuit Board Repairing
• Keep the temperature of soldering iron around 270˚C
during 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.
SAFETY-RELATED COMPONENT WARNING !!
COMPONENTS IDENTIFIED BY MARK
!
OR DOTTED LINE
WITH MARK
!
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 PUBLISHED BY SONY.
TABLE OF CONTENTS
1. SERVICING NOTE
.......................................................... 3
2. GENERAL
.......................................................................... 4
3. DISASSEMBLY
3-1. Front Panel ........................................................................... 5
3-2. Base Unit (BU-5BD22) ......................................................... 5
4. TEST MODE
....................................................................... 6
5. ELECTRICAL BLOCK CHECKING
.......................... 8
6. DIAGRAMS
6-1. IC Block Diagrams ............................................................. 10
6-2. Circuit Boards Location ...................................................... 13
6-3. Printed Wiring Board — BD Section — ............................. 15
6-4. Schematic Diagram — BD Section — ............................... 17
6-5. Printed Wiring Board — Main Section — .......................... 19
6-6. Schematic Diagram — Main Section — ............................ 21
6-7. Printed Wiring Board — Panel Section — ......................... 23
6-8. Schematic Diagram — Panel Section — ............................ 25
6-9. Printed Wiring Board — Loading, HP Section — .............. 27
6-10. Schematic Diagram — Loading, HP Section — .............. 28
6-11. IC Pin Functions ............................................................... 29
7. EXPLODED VIEWS
7-1. Main Section ....................................................................... 33
7-2. Mechanism Deck Section (CDM14-5BD22) ...................... 34
7-3. Base Unit Section (BU-5BD22) .......................................... 35
8. ELECTRICAL PARTS LIST
........................................ 36
MODEL IDENTIFICATION
– BACK PANEL –
Parts No.
MODEL
AEP, EE, CIS
UK
PARTS No.
4-987-946-0
4-987-946-1
• Abbreviation
EE
: East European model
