PIONEER CORPORATION
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE INC.
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER EUROPE NV
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2000
K-ZZY. DEC. 2000 Printed in Japan
ORDER NO.
CRT2591
MULTI-COMPACT DISC PLAYER
CDX-P1270
X1N/UC
Service
Manual
CDX-P1270/X1N/UC
- This service manual should be used together with the following manual(s):
Model No.
Order No.
Mech. Module
Remarks
CX-938
CRT2357
C8
CD Mech. Module:Circuit Description, Mech. Description, Disassembly
CONTENTS
1. SAFETY INFORMATION ............................................3
2. EXPLODED VIEWS AND PARTS LIST .......................4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...12
4. PCB CONNECTION DIAGRAM ................................22
5. ELECTRICAL PARTS LIST ........................................28
6. ADJUSTMENT..........................................................31
7. GENERAL INFORMATION .......................................40
7.1 DIAGNOSIS ........................................................40
7.1.1 TEST MODE ..............................................40
7.1.2 DISASSEMBLY .........................................44
7.1.3 CONNECTOR FUNCTION DESCRIPTION46
7.2 IC .........................................................................47
7.3 OPERATIONAL FLOW CHART ...........................49
8. OPERATIONS AND SPECIFICATIONS.....................50
CDX-P1270 X1N/EW
CDX-P1270 X1N/ES
2
CDX-P1270
A transport screw has been attached to the set in order to protect
it during transportation. After removing the transport screw,
cover the hole with the supplied seal. Be sure to remove the
transport screw before mounting the set. The removed transport
screw should be retained in the accessory bag for use the next
time the set is transported.
Transport screw
Attach to the original position before transporting the set.
Seal
After removing the transport screw, cover the hole
with the supplied seal.
- CD Player Service Precautions
1. For pickup unit(CXX1285) handling, please refer
to"Disassembly"(see page 44).
During replacement, handling precautions shall be
taken to prevent an electrostatic discharge(protection
by a short pin).
2. During disassembly, be sure to turn the power off
since an internal IC might be destroyed when a con-
nector is plugged or unplugged.
3. Please checking the grating after changing the ser-
vice pickup unit(see page 34).
4. Since these screws protects the mechanism during
transport, be sure to affix it when it is transported for
repair, etc.
3
CDX-P1270
- CDX-P1270/X1N/EW
1. Safety Precautions for those who Service this Unit.
· When checking or adjusting the emitting power of the laser diode exercise caution in order to get safe, reliable
results.
Caution:
1. During repair or tests, minimum distance of 13cm from the focus lens must be kept.
2. During repair or tests, do not view laser beam for 10 seconds or longer.
2. A "CLASS 1 LASER PRODUCT" label is affixed to the
rear of the player.
3. The triangular label is attached to the mechanism
unit frame.
CLASS 1
LASER PRODUCT
4. Specifications of Laser Diode
Specifications of laser radiation fields to which human access is possible during service.
Wavelength
=
800 nanometers
1. SAFETY INFORMATION
- CDX-P1270/X1N/UC
CAUTION
This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.
Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair
complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.
If you are not qualified to perform the repair of this product properly and safely; you should not risk trying to do so
and refer the repair to a qualified service technician.
WARNING
This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of
California to cause cancer, birth defects or other reproductive harm.
Health & Safety Code Section 25249.6 - Proposition 65
4
CDX-P1270
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
12
11
11
12
8
9
15
17
10
7
13
5
4
3
1
6
2
19
18
16
14
5
CDX-P1270
Part No.
Mark No. Description
CDX-P1270/X1N/UC
CDX-P1270/X1N/EW
CDX-P1270/X1N/ES
1 Screw Assy
CEA1962
CEA1962
CEA1962
2 Screw
CBA1295
CBA1295
CBA1295
*
3 Polyethylene Sheet
CNM5158
CNM5158
CNM5158
4 Screw
HMB60P500FMC
HMB60P500FMC
HMB60P500FMC
5 Screw
HMF40P080FZK
HMF40P080FZK
HMF40P080FZK
6 Nut
NF60FMC
NF60FMC
NF60FMC
*
7 Polyethylene Bag
CEG1099
CEG1099
CEG1099
8 Polyethylene Bag
CEG1174
CEG1026
CEG1026
9 Carton
CHG4286
CHG4285
CHG4284
10 Contain Box
CHL4286
CHL4285
CHL4284
11 Protector
CHP2136
CHP2136
CHP2136
12 Protector
CHP2137
CHP2137
CHP2137
13 Seal
CNM5741
CNM5741
CNM5741
14-1 Owner's Manual
CRD3351
CRD3349
CRD3348
14-2 Owner's Manual
Not used
CRD3350
CRB1629
* 14-3 Warranty Card
Not used
CRY1157
Not used
* 14-4 Card
ARY1048
Not used
Not used
15 Magazine Assy
CXB4028
CXB6519
CXB4028
16 Angle Assy
CXB6817
CXB6817
CXB6817
17 Cord
CDE5831
CDE5830
CDE5831
*
18 Caution Card
CRP1090
CRP1090
CRP1090
*
19 Caution Card
CRP1233
CRP1233
CRP1233
- Owner's Manual
Model
Part No.
Language
CDX-P1270/X1N/UC
CRD3351
English, French
CDX-P1270/X1N/EW
CRD3349
English, Italian, French
CRD3350
German, Dutch, Spanish
CDX-P1270/X1N/ES
CRD3348
English, Spanish, Portuguese(B), Arabic
CRB1629
Chinese
- PACKING SECTION PARTS LIST
NOTE:
- Parts marked by "*"are generally unavailable because they are not in our Master Spare Parts List.
- Screws adjacent to
mark on the product are used for disassembly.