Pioneer PD-S904 Service Manual

Y PIONEER’
The Art of Entertainment
Service
Manual
COMPACT DISC PLAYER
PD-S904
PD-S904-G
THIS
MANUAL
IS
APPLICABLE
TO
THE
FOLLOWING
MODEL(S)
AND
TYPE(S).
Type
ae
Power
Requirement
The
voltage
can
be
converted
by
following
method.
Se
oe
Trew
[Oo
|
0
[acem=zov
ican
awe
a
SO
|
,
ee
eee
ORDER NO.
RRV1284
AC220 — 230V/230 — 240V With the voltage selector
AC110V/120 ~ 127V/220V/240V With the voltage selector
*
:
Alter
the
wiring
of
the
Power-supply
block
at
the
primary
winding
of
power
transformer
referring
to
the
“Line
Voltage
Selection”
described
in
Service
Manual.
CONTENTS
1. SAFETY INFORMATION .....0000 cee teeters 2
2. EXPLODED VIEWS, PACKING AND PARTS LIST ..4
3, DISASSEMBLY te.sceciec ccc ccietee ie neetiensvedind 10
4. SCHEMATIC AND PCB CONNECTION
DIAGRAMS esccs.cs ven ti Nasa tthe pains 11
5: “PCB PARTSUST 2.25030. cei eli ate. 25
6. IC INFORMATION ..0000. cee eeteetetees 28
7. FLINFORMATION 0.0000... reecntees 30
8. ADJUSTMENTS ...00000.0.0.c cece cececete ete ceeneeeesees 31
9. FOR PD-S904/HEM, HL, SD
AND PD-S904-G/HEM ........ eee ce tereeeeee 36
10. PANEL FACILITIES oo... ee eet ereeterteeee 38
11. -SPECIFICATIONS : 25013 ci dae ees 39
PIONEER
ELECTRONIC
CORPORATION
4-1,
Meguro
1-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 OP2
Canada
PIONEER
ELECTRONIC
[EUROPE]
N.V.
Haven
1087
Keetbergiaan
1,
9120
Melsele,
Belgium
PIONEER
ELECTRONICS
AUSTRALIA
PTY. LTD.
178-184
Boundary
Road,
Braeside,
Victoria
3195,
Australia
TEL
:
103]
580-9911
©
PIONEER
ELECTRONIC
CORPORATION
1995
asteit
T-SSG
ARP.
1995
Princ
in
Japan

Pioneer PD-S904 Specifications

General

Brand	Pioneer
Model	PD-S904
Category	CD Player
Language	English

Summary

Safety Information

Safety Precautions

Essential checks for customer and technician safety during operation.

Product Safety Notice

Highlights safety-related characteristics of electrical/mechanical parts.

Exploded Views, Packing and Parts List

Schematic and PCB Connection Diagrams

Waveforms

PCB Parts List

IC Information

Pin Arrangement

Pin Function

Adjustments

Preparations

How to Start / Cancel Test Mode

Procedures for entering and exiting the service test mode.

Adjustment Locations

Necessary Adjustment Items

List of adjustments required for different components and modes.

Check and Adjustment

Procedures for performing checks and adjustments on the unit.

Pickup Radial Tangential Direction Tilt Adjustment

Adjusting the tilt of the pickup head in radial and tangential directions.

RF Level Check

Procedure for checking the Radio Frequency (RF) signal level.

Focus Servo Loop Gain Adjustment

Adjusting the gain of the focus servo loop for optimal performance.

Tracking Servo Loop Gain Adjustment

Adjusting the gain of the tracking servo loop for optimal performance.

For PD-S904/HEM, HL, SD and PD-S904-G/HEM Types

Specifications