Service Manuals, User Guides, Schematic Diagrams or docs for : Pioneer DEH DEH-340 & 3400 & 34 Pioneer_DEH-340,3400,34

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Service DEH-340/XN/UC

Manual ORDER NO.
CRT2759
HIGH POWER CD PLAYER WITH FM/AM TUNER

DEH-340
DEH-3400 XN/UC
XN/UC

DEH-34 XN/UC

- This service manual should be used together with the following manual(s):
Model No. Order No. Mech. Module Remarks
CX-977 CRT2624 S9 CD Mech. Module:Circuit Description, Mech.Description, Disassembly

CONTENTS
1. SAFETY INFORMATION ............................................3 7. GENERAL INFORMATION .......................................45
2. EXPLODED VIEWS AND PARTS LIST .......................4 7.1 DIAGNOSIS ........................................................45
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...12 7.1.1 DISASSEMBLY .........................................45
4. PCB CONNECTION DIAGRAM ................................26 7.1.2 CONNECTOR FUNCTION DESCRIPTION .......48
5. ELECTRICAL PARTS LIST ........................................34 7.2 PARTS .................................................................49
6. ADJUSTMENT..........................................................41 7.2.1 IC................................................................49
7.2.2 DISPLAY ....................................................58
7.3 OPERATIONAL FLOW CHART ...........................59
7.4 CLEANING ..........................................................60
8. OPERATIONS AND SPECIFICATIONS.....................61

For details, refer to "Important symbols for good services" on the next page.

PIONEER CORPORATION 4-1, 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-ZZD. NOV. 2001 Printed in Japan
DEH-340,3400,34

[ 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
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
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 3. Please checking the grating after changing the pickup
to"Disassembly"(see page 45). unit(see page 42).
During replacement, handling precautions shall be 4. In this product, because the memory capacity of the
taken to prevent an electrostatic discharge(protection microcomputer is insufficient, the test mode is not
by a jumper-solder). installed. However grating of the pickup unit can be
2. During disassembly, be sure to turn the power off confirmed.
since an internal IC might be destroyed when a con-
nector is plugged or unplugged.

2
DEH-340,3400,34

1. SAFETY INFORMATION

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

3
DEH-340,3400,34

2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING

20 19

18 7
21
8
5 4
6
22
1
10 17
3
11 2
9 15

14
13

4
DEH-340,3400,34

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.
- For the applying amount of lubricants or glue, follow the instructions in this manual.
( In the case of no amount instructions, apply as you think it appropriate.)
(1) PACKING SECTION PARTS LIST

Mark No. Description Part No. Mark No. Description Part No.
1-1 Owner's Manual See Contrast table(2) 12 Polyethylene Bag CEG1173
1-2 Installation Manual See Contrast table(2) 13 Carton See Contrast table(2)
* 1-3 Card See Contrast table(2) 14 Contain Box See Contrast table(2)
* 1-4 Warranty Card See Contrast table(2) 15 Protector CHP2251
1-5 Polyethylene Bag CEG1116 16 Protector CHP2252

2 Cord Assy CDE6468 17 Case Assy See Contrast table(2)
3 Spring CBH1650 18 Screw BPZ20P060FZK
4 Screw Assy CEA2796 19 Remote Control Unit CXB8743
5 Screw CBA1002 * 20 Battery CEX1065
* 6 Polyethylene Bag CEG-127 21 Accessory Assy CEA2773

7 Screw CRZ50P090FMC 22 Earth Plate CNC9450
8 Screw TRZ50P080FMC
* 9 Polyethylene Bag CEG-158
10 Handle CNC5395
11 Bush CNV3930

(2) CONTRAST TABLE
DEH-340/XN/UC, DEH-3400/XN/UC and DEH-34/XN/UC are constructed the same except for the follow-
ing:

Part No.
Mark No. Symbol and Description DEH-340/XN/UC DEH-3400/XN/UC DEH-34/XN/UC
1-1 Owner's Manual CRD3497 CRD3498 CRD3498
1-2 Installation Manual CRD3501 CRD3502 CRD3502
* 1-3 Card Not used ARY1048 ARY1048
* 1-4 Warranty Card CRY1070 Not used Not used
13 Carton CHG4550 CHG4547 CHG4549

14 Contain Box CHL4550 CHL4547 CHL4549
17 Case Assy CXB3520 CXB3520 Not used

- Owner's Manual, Installation Manual
Model Part No. Language
DEH-340/XN/UC CRD3497 English, French, Spanish
CRD3501
DEH-3400/XN/UC CRD3498 English, French, Spanish
DEH-34/XN/UC CRD3502

5
DEH-340,3400,34
2.2 EXTERIOR(DEH-340/XN/UC)

6
DEH-340,3400,34

- EXTERIOR SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
1 Screw BMZ30P040FZK 41 Pin CNV6486
2 Screw BMZ30P100FMC 42 Lighting Conductor CNV6487
3 Screw BSZ26P060FMC 43 Gear CNV6507
4 Screw BSZ30P060FMC 44 Arm CNV6508
5 Cord Assy CDE6468 45 Panel Unit CWM7375

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