Pioneer cld 1850 service manual

Page 1

(ID PIONEER

The Art of Entertainment

Scfiicc
C7V1anua1 222%

CD CDV LD PLAYER

OLD-1850

HEZ, HB, HPW

. Refer to the service manual ARP2543 for CLD-1700/HEZ.

o This manual Is applicable to CLD-1850/HEZ, HB and HPW.

PIONEER ELECTRONIC CORPORATION 4-1, Meguro I-Chome, MegurO-ku, Tokyo 153, Japan

PIONEER ELECTRONICS SERVICE INC. PO. Box 1760. Long Beach. California 90801 USA.

PIONEER ELECTRONICS OF CANADA, INC. 300 Allstate Parkway Markham. Onlarlo L3H 0P2 Canada

PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keelberglaan 1,9120 Melsele. Belgium

PIONEER ELECTRONICS AUSTRALIA PTY. LTD. 178-184 Boundary Road, Braeside. Vlclona 3l95, Australia TEL: [03} 58079911

© PIONEER ELECTRONIC CORPORATION 1993 ":0 JUNE 1993 Primed MP5. .

Page 2

1 . SAFETY INFORMATION

- IFOR EUROPEAN MODEL ONLYI

VAROI

AVATTAESSA JA. SUOJALUKITUS
OHITETTAESSA OLET ALTTIINA
NAKYMATTOMALLE LASERSATEILYLLEL
ALA KATSO SATEESEENL

HADVERSEL:
USVNLIG LASERSTRALING VED ABNING
NAR SIKKERHEDSAFBRYDERE ER UDE AF
FUNKTION UNDGA UDSAETTELSE FOR
STRALINGl

I

VARNlNG'
OSYNLIG LASEHSTHALNING NA'R DENNA
DEL AR OPPNAD OCH SPARREN
AR URKOPPLAD BEYRAKTA EJ STRALEN.

LASER

Kuva 'I
Lasersateilyn
vanItusmerkkI

- WARNING!
DEVICE INCLUDES LASEFI DIODE WHICH
EMITS INVISIBLE INFRARED RADIATION
WHICH Is DANGEROUS TO EYES THERE IS
A WARNING SIGN ACCORDING TO PICTURE
1 INSIDE THE DEVICE CLOSE TO THE LASER LASER

DIODEL Picture 1

IMPORTANT
THIS PIONEER APPARATUS CONTAINS
LASER 0F CLASS ll
SERVICING OPERATION OF THE APPARATUS
SHOULD BE DONE BY A SPECIALLV
INSTRUCTED PERSON,

- LASER DIODE CHARACTERISTICS --~
MAXIMUM OUTPUT POWER: 5 mw
WAVELENGTH: 7807785 nm

LABEL CHECK

HB model HEZ model

CAUTION
INVISIBLE LASER
RADIATION WHEN OPEN.
AVOID EXPOSURE

TO BEAM

PRW1018

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use on: nmsm nlkylttellll'
Inscrsnulxyun. All xuuo suns-an.

vmruol

osynnq nurszrnntng nu- dcnn- dd
h- eppnad och spur-n i: urxopplad.
ecu-kt. .j strum.

HEZ and HB model

CLASS 1

LASER PRODUCT

VAW-SZO

VIII?!

HEZ model

ADVAFISEL
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mum m In I: ruining.
IJIIGA umntm m swim

VDESICNTI
mm. mama's nun AIIs, w: mm
Im Kuhn creme on non or.» smir. mm»
mum

Additional Laser Caution

in MOTHER ASSY, *

requirements satisfied.

beam,

Warnlng stgn Ior
laser radiatIon

I. The ONIOFF statuses of the slider - position detection
switches (PARK INNER. PARK OUTER on the PKSB
assembly I, Ioading~ status detection switches (SW 1. 2 and 3
on PKSB assembly) are detected by the microprocessor
(ICIOI in the MOTHER ASSY )t To permit the laser diode to
oscillate. it is required to set the slider » position detection
switch for the LD ACTIVE status (PARK INNER: OFF, PARK
OUTER: OFF). and to set the loading - status detection switch
lot clamped state (SW1: OFF. SW2: 0N, SW3: ON )t As long
as these requirements are not satisfied. the laser diode will
not oscillate. When the requirements are met in any way, the
laser diode can oscillate The laser diode oscillation will
continue it pin 29 of Iceoi is shorted to GND or the emitter
and collector of 0509 are shorted each other (fault condition)

In test mode (see page 51 ). the laser diode oscillates when
microprocessor detects a PLAY signal or when the PLAY key
is pressed (5223: ON in the FLKY assembly), with the above

2, When the cover is open. close viewing through the objective
lens with the naked eye will Cause exposure to a Class 1 laser

>I< : Reler to service manual ARP2543, OLD-1700,