Pioneer KEH-P4800R User Manual

PIONEER ELECTRONIC 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 ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880
C PIONEER ELECTRONIC CORPORATION 1998
K-ZZU. OCT. 1998 Printed in Japan
ORDER NO.
CRT2258
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH RDS TUNER
KEH-P4830R X1M/EW
Service
Manual
CONTENTS
1. SAFETY INFORMATION............................................2
2. EXPLODED VIEWS AND PARTS LIST ......................2
3. SCHEMATIC DIAGRAM.............................................8
4. PCB CONNECTION DIAGRAM................................20
5. ELECTRICAL PARTS LIST........................................30
6. ADJUSTMENT.........................................................36
7. GENERAL INFORMATION.......................................38
7.1 PARTS................................................................38
7.1.1 IC...............................................................38
7.1.2 DISPLAY ...................................................42
7.2DISASSEMBLY ...................................................43
7.3BLOCK DIAGRAM ..............................................44
8. OPERATIONS AND SPECIFICATIONS....................45
NOTE:
- See the separate manual CX-631(CRT1640) for the cassette mechanism description.
- The cassette mechanism assy employed in this model is one of 2L series.
- This service manual does not describe the CD test mode.
For the operations in the CD test mode, refer to the CD player's Service Manual.
KEH-P4800R X1M/EW
KEH-P4830R/X1M/EW

Pioneer KEH-P4800R Specifications

General

Type	Car Receiver
Form Factor	In-Dash
Radio Tuner	AM/FM
DIN Size	1 DIN
Channels	4
CD Playback	Yes
MP3 Playback	No
USB Port	No
Aux Input	No
CD Changer Control	Yes
Detachable Face	Yes
Anti-Theft Protection	Yes
Media Type	Radio
RMS Power Output	22 Watts x 4
Frequency Response	20Hz - 20kHz

Summary

Safety Information

Exploded Views and Parts List

Packing Section Parts List

Lists parts included in the product packaging.

Exterior Parts List

Lists external components and their part numbers.

Cassette Mechanism Module Parts List

Lists parts for the cassette mechanism module.

Schematic Diagram

Overall Connection Diagram

Shows the overall electrical connections of the unit.

FM/AM Tuner Unit Schematic

Detailed schematic for the FM/AM tuner section.

Keyboard Unit Schematic

Schematic diagram for the keyboard control unit.

Cassette Mechanism Module Schematic

Schematic diagram for the cassette mechanism module.

PCB Connection Diagrams

Tuner Amp Unit PCB Connection

PCB layout for the Tuner Amp Unit.

FM/AM Tuner Unit PCB Connection

PCB layout for the FM/AM Tuner Unit.

Keyboard Unit PCB Connection

PCB layout for the Keyboard Unit.

Cassette Mechanism Module PCB Connection

PCB layout for the Cassette Mechanism Module.

Electrical Parts List

Miscellaneous Electrical Parts

Lists various miscellaneous electronic components and their part numbers.

Adjustment Procedures

Adjustment Connection Diagram

Diagram showing connections for adjustment procedures.

FM Adjustment

Procedure for tuning and adjusting FM reception.

RDS SL Adjustment

Procedure for adjusting RDS (Radio Data System) SL.

General Information

Parts Identification

Identification of various parts used in the unit.

IC (Integrated Circuit) Identification

Lists integrated circuits and their part numbers.

Display Unit Identification

Identification of display components.

Disassembly Instructions

Steps for disassembling the unit.

Block Diagram

Functional block diagram of the unit's systems.

Operations and Specifications

Basic Operation

Guide to basic functions like listening to music and adjusting volume.

Technical Specifications

Detailed technical specifications of the unit's performance.