Pioneer CDX-M12 Service Manual

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)
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.
4-1,Meguro 1-Chome,Meguro-ku, Tokyo 153,Japan
PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1,9120 Melsele, Belgium