Technics SLCH 505 X Service Manual

Page 1

ORDER NO. A0940926938

Service Manual

Compact Disc Player

Compact Disc Player S L- C H 5 05
S L-C H 505X

Please file and use this supplement manual together with the
service manual for the below models.

Colour
(K) : Black
Service Manual
Model No. Order No. Areas
SL-CH505 (E) ADeaomzocs SUE: Er Area Colour
SL-CHaosx (GP) Aoeaoezema M° 9 °'
Europe, Asia, Latin
Notes: This supplement is intended to provide additional (E) America. Middle EaS - (K)
information or corrections to the existing service Africa and 0995*
manual for model No. SL-CHSOS or SL»CH505X. GPl China
Be sure to update your service manual for future (
reference.
I Changed of CD unit

With the change of CD unit, the schematic diagram. printed circuit board, loading unitparts location, and replacement parts list
have been partly changed.

.MAIN CHANGED POINTS
1.Traverse motor changed in shape.
2. Traverse deck and traverse chassis changed in shape. (OLD = 4-point support, NEW = 3-point support)
3. P.C.B. changed.
(OLD) (NEW)

3-point support . Motor changed
in shape
/

Traverse chassis
changed in shape

P.C.B. changed

AWARNING
This service information is designed for experienced repair technicians only and is designed for use by the general public. It does not
contain warnings or cautions to advise non~technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced prolessional technicians. Any attempt to service or
repair the product or products dealt with in this service information by anyone else could result in serious injury or death,

© 1994 Matsushita Electric industrial Cc.. Ltd.

T 0 ® I ® . . .
All rights reserved. tJnauthorIzed copying
ec nlcs anasonlc and distribution is a violation of law.

Page 2

SL-CHSOS/SL-CH505X

0 HOW TO DISTINGUISH BETWEEN NEW AND OLD CD UNITS

~ CD servo P.c.B. . Traverse deck ass'y
(OLD) (NEW) (OLD) (NEW)

®
Om I} (on
in Of a D 'f",
Gindm cu3 indication é é é

3-point support

O NEW/OLD COMPATIBILITY

In regard to Traverse deck assy, CD servo P.C.B. and traverse chassis, New and Old are not compatible with each other.
When repairing, make sure of the New/Old compatibility and use proper parts.

lPrinted Circuit Board Diagram

1 l 2 | 3 | 4 I
u SERVO P.C.B.
A
® MARK _
indication
B
(VREF)
c
m D M701 . Y
"~ .am , W
D ¥ , . J