Pioneer dehp 490 ib service manual

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Pioneer sound. vision. sou/

Service
Manual

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ORDER NO.

CD RECEIVER

DEH-P490leuc
DEH-P4900IBWUC

CRT3846
DEH-P490lB/XN/UC

This service manual should be used together with the following manual(s):

Model No.

CX-3195

Order No.

CRT3815

Mech.Module

S10.SCOMP2

Remarks

CD Mech. Module :Circuit Descriptions, Mech. Descriptions, Disassembly

For details, refer to "Important Check Points for Good Servicing".

PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan

PIONEER ELECTRONICS (USA) INC. PO. 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

OPIONEER CORPORATION 2006

K-ZZU. DEC. 2006 Printed in Japan

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CONTENTS

SAFETY INFORMATION
1. SPECIFICATIONS ......
2. EXPLODED VIEWS AND PARTS LIST.
2.1 PACKING
2.2 EXTERIOR.
2.3 CD MECHANISM MODULE..
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM.
3.1 BLOCK DIAGRAM .......................................
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE
3.3 KEYBOARD UNIT ........................................
3.4 CD MECHANISM MODULE(GUIDE PAGE)
4. PCB CONNECTION DIAGRAM .........................
4.1 TUNER AMP UNIT...
4.2 KEYBOARD UNIT
4.3 PANEL UNIT ........
4.4 CD CORE UNIT(S10.5COMP2)
5. ELECTRICAL PARTS LIST ..
6. ADJUSTMENT ...........
6.1 CD ADJUSTMENT...

6.2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT 52
6.3 ERROR MODE 54
6.4 IPOD TEST MODE .. 55
6.5 SYSTEM MICROCOMPUTER TEST PROGRAM . 56
7. GENERAL INFORMATION 57
7.1 DIAGNOSIS... 57
7.1.1 DISASSEMBLY. 57
7.1.2 CONNECTOR FUNCTION DESCRIPTION. 60
7.2 IC .. 61
7.3 OPERATIONAL FLOW CHART 70

8. OPERATIONS ................................

4 DEH-P490IB/XN/UC
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