Pioneer pds 504 service manual

Page 1

COMPACT DISC PLAYER

- 0-501

(I!) PIONEER?

The Art of Entertainment

ORDER NO.
RRV1296

oRefer to the service manual ARP2684 for PD-3502l
WEMXK.

THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).

I Model

H

--l- -uun- IIIIII-l-l-l nlll um.- n-huuu-

Power Requirement The voltage can be converted by the following method.
PD-S504 I
I W-=MXK O A0220 - 240V
WBWXK O A0220 -240V I
WPW O A0220 - 240v
WL O A0220 - 240V
RD I 0 A01 10 - 127V/220 - 240V With the voltage selector
CONTENTS
1. SAFETY INFORMATION ......................................... 2
2. CONTRAST OF MISCELLANEOUS PARTS ........... 3
3. PCB DIAGRAM ........................................................ 8
4. SCHEMATIC DIAGRAM ........................................ 14

PIONEER ELECTRONIC CORPORATION 4-1, Meguro l-Chome, Meguro-ku, Tokyo 153, Japan
PIONEER ELECTRONICS SERVICE INC. P.O. BOX 1760, Long Beach, California 90801 U.S.A.

PIONEER ELECTRONICS OF CANADA, INC. 300 Allstate Parkway Markham, Ontario L3R 0P2 Canada
PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium

PIONEER ELECTRONICS AUSTRALIA PTY. LTD.

© PIONEER ELECTRONIC CORPORATION 1995

178-184 Boundary Road, Braesnde, Victoria 3195, Australia TEL: [03] 5809911

T-SSI APR. 1995 Printed In Japan

Page 2

PD-S504

- .-

1. SAFETY INFORMATION

(FOR EUROPEAN MODEL ONLYI- - -

l' WARNING! "r '-

DEVICE INCLUDES LASER DIODE WHICH
EMITS INVISIBLE INFRARED RADIATION
WHICH IS DANGEROUS TO EYES. THERE IS
A WARNING SIGN ACCORDING TO PICTURE

LASER 1 INSIDE THE DEVICE CLOSE TO THE LASER LASER
Kuva I DIODE. Picture I

Warning sign for

-VAROI-- -
AVATTAESSA JA SUOJALUKITUS
OHITETTAESSA OLET ALTTIINA
NAKYMATTOMALLE LASERSATEILYLLE.
ALA KATSO SATEESEEN.

Lasersateilyn

ADVERSEL: --''-" F

varoitusmerkki laser radiation
USYNLIG LASERSTRALING VED ABNING
NAR SIKKERHEDSAFBRYDERE ER UOE AF . -. IMPORTANT
FUNKTION UNDGA UDSAETTELSE FOR THIS PIONEER APPARATUS CONTAINS
STRALING. LASER or: CLASS 1.

SERVICING OPERATION OF THE APPARATUS
SHOULD BE DONE BY A SPECIALLY
INSTRUCTED PERSON.

VARNING!

OSYNLIG LASERSTRALNING NAR DENNA
DEL AR OPPNAD OCH SPARREN
AR URKOPPLAD. BETRAKTA EJ STRALEN.

LASER DIODE CHARACTERISTICS
MAXIMUM OUTPUT POWER: 5 mw
WAVELENGTH: 780-785 nrn

LABEL CHECK

WBWXK, WL and WEMXK types we MXK type

' Wino:
CLASS 1 - -. Avattaosln ja cuojllukltus ohitcttn-
, . oss- olct alttiina nlk trealllc

LASER PRODUCT _. ' 1".rst.ilyntmn:11:c:£:° sun-«n.

WWI-323 Osynliq laserstrllninq nlr damn (101
It Oppnad och splrrcn a: urkopplad.
Bettakta cj strllcn.

RNHZB

-- I Additional Laser Caution

1. Laser Interlock Mechanism
The position of the switch (8601) for detecting loading
state is detected by the system microprocessor. and
the design prevents laser diode oscillation when the
switch (8601) is not on CEIWP- terminal side (DEW
signal is OFF or high level).

Thus. the interlock will no longer function if the switch
(8601)is deliberately set to (TEMP terminal side (low level).
The interlock also does not function in the test mode 3.
Laser diode oscillation will continue, if pin 1 of
M51593FP (ICIOI) on the PRE AMP BOARD ASSY

I mounted on the pickup assembly is connected to GND.

or pin 19 is connected to low level (ON), or else the

terminals of 0101 are shorted to each other (fault
condition).

CAUTION

INVISIBLE LASER
RAOIATION WHEN OPEN.
AVOID EXPOSURE

TO BEAM

WEMXK type WBWXK, WPW and WL types

ADVAllsa
mmmhmmmmmm

IWDEEIRIIEIFIUIKnfll
UIDGAINEETHEIERIISUUHIII

2. When the cover is opened. close viewing of the
objective lens with the naked eye will cause exposure
to a Class I laser beam. 92313

mm
llllflflURELkfilimmfllfllfllflflTlflfltEIIIEDEL
IEIIUUHBGHFRIIIHIIIRTOfilSflflflllflflitflll

VIRHOIC

PRWIOIO _

arc : Refer to page 28 on the service manual ARP2684.