Pioneer CDX-M12 - User Manual

YW)
PIONEER’
The Art of Entertainment
ORDER NO.
MULTI-COMPACT DISC PLAYER
Cc
LD
x
IVI
UC,
EW
COMPACT
DIGITAL AUDIO
@See
the
separate
manual
CX-612
(CRT1518)
for
the
CD
mechanism
description.
CONTENTS ~
1.
SAFETY
INFORMATION
........escesesesscssesseeseeseceeeenenieee
2
9.
CHASSIS
EXPLODED
VIEW............:ceceeseeeeeneeeteees
51
2.
DISASSEMBLY
.......cccecceecceeesssesecssseneeeeeeeneseenereneesensaes
3
10.
MAGAZINE
ASSY
EXPLODED
VIEW...
54
3.
BLOCK
DIAGRAM
........ceseeeeceeesseeeeeeerenesseseneneseneeneners
5
11.
CD
MECHANISM
UNIT
EXPLODED
VIEW..............
56
A,
ADJUSTMENT
0.0...
ccccececcesseesenesesscseeeseesseeeeeneeeeeeseeeeees
7
12.
PACKING
METHOD.
........ccccscecesseeseeesneeeeenseeeeeeenees
63
5.
CONNECTION
DIAGRAM(1)........::eeseeeeeteeretereeeeeers
39
13.
ELECTRICAL
PARTS
LIST
..........cccscssessseesreetteeetettees
64
6.
SCHEMATIC
CIRCUIT
DIAGRAM(1)........:---seeseeeees
43
14.
CIRCUIT
DESCRIPTION...
cee
ceecceseeseeeeseetereeseeetere
66
7.
SCHEMATIC
CIRCUIT
DIAGRAM(2)........:::eceeeeeeee
46
15.
OPERATIONS
AND
CONNECTION
.........ceseereretees
86
8.
CONNECTION
DIAGRAM(2)........ccccceseseeereetereereeeees
49
SPECIFICATIONS
@CD
Player
Service
Precautions
one
C
di
di
1.Since
these
screws
protects
the
mechanism
during
TSH
eee
ee
ompactdise
audio
system
“transport,
be
sure
to
affix
it
when
its
transported
for
Signal
format
...........-
Sampling
frequency:
44.1
kHz
repair,
etc.
Number
of
quantisation
bits:
16;
linear
2.For
pick-up
unit
handling,
please
refer
to
Power
source
......
14.4
V
DC
(10.8
—
15.6
V
allowable)
“Disassembly”.
During
replacement,
handling
precau-
Ween
pence
taeda
ceecumaiatan
8
kg
(6
Aaa
tions
shall
be
taken
to
prevent
an
electrostatic
dis-
Dimensions.
.............275
(W)
x
93
(H)
x
168
(D)
mm
charge
{protection
by
a
short
pin):
[10-7/8
(W)
x
3-5/8
(H)
x
6-5/8
(D)
in.]
3:During
disassembly,
be
sure
to
turn
the
power
off
since an internal IC might be destroyed when a con-
Audio
i
nector
is
plugged
or
unplugged.
Frequency characteristics ........ 5 — 20,000 Hz (+1 dB)
Signal-to-noise ratio .97 dB (1 kHz) (IHF-A Network)(UC)
97 dB (1 kHz) (IEC-A Network)(EW)
Dynamic
range
.......
00.
cece
eee
ee
eee
ee
94
dB
(1
kHz)
-
Output
level.............
0.
eee
e
eee
500
mV
(1
kHz,
0
dB)
Number of channels.............00e eee e eee ee 2 (stereo)
Note:
Specifications and the design are subject to possible
modification without prior notice due to improvements.
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 Keetberglaan 1,9120 Melsele, Belgium
PIONEER
ELECTRONICS
AUSTRALIA
PTY.LTD.
178-184
Boundary
Road,Braeside,
Victoria
3195,Australia
TEL:{03]580-9911
©
PIONEER
ELECTRONIC
CORPORATION
1993
Sune
ven
eaneainaeen

Summary

Safety Information

Safety Precautions

General safety guidelines for handling and servicing the unit.

Disassembly Procedures

Component Removal Steps

Steps to remove cases, brackets, and internal boards.

Block Diagram

Adjustment Procedures

Key Adjustments and Precautions

Critical guidelines for adjustments and test mode operation.

Detailed Adjustment Procedures

Grating, Skew, Servo Gain, and Offset Adjustments

Procedures for grating, skew, servo gain, and offset adjustments.

Connection Diagrams

Connection Diagram (1)

Diagram illustrating component connections.

Schematic Circuit Diagrams

Schematic Circuit Diagram (1)

Detailed electrical schematic of the unit's circuits.

Exploded Views

Chassis and Component Exploded Views

Exploded views of the unit chassis and major components.

Packing Method and Parts List

Electrical Parts List

List of electrical components with part numbers.

Circuit Description

Preamplifier and RF Amplifier Stages

Description of preamplifier and RF amplifier circuits.

Servo System Overview

Focus Servo System

Tracking Carriage Servo System

Tracking Equalizer and Brake Circuit

Explanation of tracking equalizer and brake circuit.

CLV Control Stage

CLV Control Command Details

List and explanation of CLV control commands.

Operational Modes

Test Mode and Normal Mode

Description of the unit's test and normal operation modes.

Power Supply Stage

New Test Mode Operation

New Test Mode Usage and Entry

Using the new test mode for analyzing operations and errors.

Error Code and Status Information

Error Cause Codes

Table of error codes, their descriptions, and causes.

Operations and Connection

Compact Disc Magazine Usage

Magazine Handling and Disc Insertion

Precautions and instructions for using the CD magazine.

Multi-CD Player Operation Guide

Disc Selection and Main Unit Operation

How to select discs and operate from the main unit.

Track Jump Operation

Pioneer CDX-M12 Specifications

General

Type	CD Player
DIN Size	1 DIN
Playback Formats	CD, CD-R, CD-RW
Tuner	AM/FM
Preamp Outputs	Yes
CD Changer Control	Yes
AUX Input	Yes
Display Type	LCD
Channels	4
Dimensions	178 x 50 x 160 mm
Weight	1.5 kg
Frequency Response	5Hz - 20kHz
Output Voltage	2V