Pioneer KEH-P4700 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-ZEM. FEB. 1998 Printed in Japan
ORDER NO.
CRT2169
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH FM/AM TUNER
Se r v i c e
M a nu a l
KEH-P424 X1M/UC
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.
- Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
- 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-P4700 X1M/UC
• KEH-P424/X1M/UC
CONTENTS
1. SAFETY INFORMATION ...........................................2
2. EXPLODED VIEWS AND PARTS LIST......................2
3. SCHEMATIC DIAGRAM ............................................8
4. PCB CONNECTION DIAGRAM ...............................18
5. ELECTRICAL PARTS LIST .......................................28
6. ADJUSTMENT ........................................................35
7. GENERAL INFORMATION ......................................37
7.1 PARTS.................................................................37
7.1.1 IC ...............................................................37
7.1.2 DISPLAY ...................................................41
7.2 DISASSEMBLY ..................................................42
7.3 BLOCK DIAGRAM..............................................43
8. OPERATIONS AND SPECIFICATIONS ...................44
KEH-P4750 X1M/ES
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TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Pioneer KEH-P4700 Specifications

General

Brand	Pioneer
Model	KEH-P4700
Category	Car Receiver
Language	English

Summary

Safety Information

Exploded Views and Parts Lists

Packing and Exterior Components

Details parts included in product packing and external components with exploded views.

Packing & Exterior Parts Lists

Lists part numbers for packing and external components, referencing specific models.

Cassette Mechanism Module Parts List

Provides an exploded view and lists part numbers for the cassette mechanism module.

Cassette Mechanism Parts List

Lists part numbers for the cassette mechanism module components.

Schematic Diagrams

Overall Connection Diagram

Shows overall connection diagram of major units like Tuner, Amplifier, and Keyboard.

Tuner Amp Unit Schematics

Detailed schematic for Tuner Amp Unit, showing component connections and IC pinouts.

Tuner Unit Schematics

Schematic details of FM/AM Tuner Unit and Tuner Amp Unit, including ICs and signal paths.

FM/AM Tuner Unit Schematic

Schematic diagram for the FM/AM Tuner Unit, detailing its internal circuitry.

Cassette Mechanism Schematics

Schematic diagrams for the Deck Unit, PCB Unit, and Reel PCB of the cassette mechanism.

PCB Connection Diagrams

Tuner Amp Unit PCB Layout

PCB layout for the Tuner Amp Unit, showing component placement and connections.

Keyboard Unit PCB Layout

PCB layout for the Keyboard Unit, illustrating button and LCD connections.

FM/AM Tuner Unit PCB Layout

PCB layout for the FM/AM Tuner Unit, showing IC and component placement.

Cassette Mechanism PCB Layouts

PCB layouts for the Deck Unit and other cassette mechanism components.

Cassette PCB & Reel PCB Layouts

PCB layouts for the PCB Unit and Reel PCB, showing switch and photo-interrupter connections.

Electrical Parts List

Component Lists

Lists electrical components like ICs, transistors, diodes, coils, resistors, capacitors, and miscellaneous parts with part numbers.

Tuner Amp Unit Contrast Table

Details component differences between models for the Tuner Amp Unit.

Adjustment Procedures

Tuner Adjustment Setup

Diagrams showing test point connections for FM/AM tuner unit adjustments using meters and signal generators.

FM & Dolby B NR Adjustments

Details FM adjustment procedures and Dolby B NR adjustment using a test tape.

General Information

Parts List & IC Details

Lists general parts including ICs and their pin functions.

IC Pin Functions (PD4915A/PD6247A)

Details ICs used, such as TDA7384, TDA7386, PM2006A, and their pin functions.

System Controller Pin Functions (PD4915A)

Pin function details for the PD4915A System Controller IC, covering various I/O operations.

LCD Driver IC Pin Functions (PD6247A)

Pin function details for the PD6247A IC, related to LCD driver operations.

Display Connection Diagram

Shows connection diagram for the CAW1477 display, illustrating segment and common pin assignments.

Disassembly Procedures

Unit and Component Removal

Instructions for removing the case, cassette module, grille, panel, and tuner amp unit.

System Block Diagram

Operations and Specifications

General & Tuner Specifications

General specs, FM/AM tuner details including frequency range and sensitivity.

Amplifier Specifications

Amplifier specs detailing power output, impedance, tone controls, and loudness.

Basic Operations Guide

Explains basic operations like source selection, volume adjustment, and using the head unit controls.

Cassette Player Operations

Explains cassette player functions like fast forward, rewind, and music search.

Tuner Operation Modes

Describes manual/seek tuning and preset station recall for radio reception.

Multi-CD Player Operations

Guides on multi-CD player functions, including switching players, disc search, and ejection.

Function Menu Operations

How to access and use the Function Menu for operations like Repeat Play and cancelling.

Technical Specifications Summary

Comprehensive technical specifications for FM/AM tuner, amplifier, and cassette player sections.