For details, refer to "Important symbols for good services" on the next page.
PIONEER CORPORATION4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) 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 2001
K-ZZU.NOV.20012000.printed in Japan
K-ZZU.NOV.2001.printed in Japan
1234
[ Important symbols for good services ]
In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:
1. Product safety
You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and
A
should keep the safety during servicing by following the safety instructions described in this manual.
2. Adjustments
To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.
3. Cleaning
For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.
4. Shipping mode and shipping screws
To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.
5. Lubricants, glues, and replacement parts
B
Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.
- CD Player Service Precautions
1. For pickup unit(CXX1480) handling, please refer
to"Disassembly"(see page 46).
During replacement, handling precautions shall be
taken to prevent an electrostatic discharge(protection
by a jumper-solder).
2. During disassembly, be sure to turn the power off
C
since an internal IC might be destroyed when a connector is plugged or unplugged.
3. Please checking the grating after changing the pickup
unit(see page 40).
4. In this product, because the memory capacity of the
microcomputer is insufficient, the test mode is not
installed. However grating of the pickup unit can be
confirmed.
D
2
1234
DEH-P4400R/XN/EW
A
B
5678
1. SAFETY INFORMATION
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.
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
bottom 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
C
DEH-P4400R/XN/EW
56
D
3
7
8
1234
2. EXPLODED VIEWS AND PARTS LIST
NOTES : • Parts marked by "*" are generally unavailable because they are not in our Master Spare Parts List.
• Screw adjacent to mark on the product are used for disassembly.
"
• For the applying amount of lobricants or glue, follow the instructions in this manual.
A
(In the case of no amount instructions,apply as you think it appropriate.)
Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or
"ELECTRICAL PARTS LIST".
A
A-a
A-a
A-b
A-b
Large size
SCH diagram
Guide page
FM(100%):-15.5dBs
AM(30%) :-26dBs
A-a
MIC, TEL
>
200mA
A-b
Detailed page
FM/AM TUNER UNIT
A-a
B
PE5245A
DSP-201M
PM4009A
SYSTEM CONTROLLER
DETACH SENSE SW
C
D
12
AB
EJECT
KEYBOARD UNIT
C
PANEL UNIT
B
CD:+4.1dBs
CONTROL UNIT
D
DEH-P4400R/XN/EW
1234
The > mark foun
the importance of
Therefore, when r
identical designat
A
B
5678
" or
MIC, TEL
>
200mA
PE5245A
SYSTEM CONTROLLER
IP-BUS:+2.2dBs
CD: +4.1dBs
IP-BUS: +2.2dBs
AM(30%): -26dBs
FM(100%):-15.5dBs
FM(100%): +6.6dBs
AM(30%): -3.9dBs
CD:+10.2dBs
IP-BUS:+10.3dBs
A-b
TUNER AMP UNIT
A
600µH
472/16
CD:+9.4dBs
DETACH SENSE SW
The > mark found on some component parts indicates
the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts of
identical designation.
>
CEK1136
10A
For resistors and capacitors in the circuit diagrams, their resistance values or
capacitance values are expressed in codes: