Pioneer DEH-546 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, Lane Wheelock Place, Singapore 23880
C PIONEER ELECTRONIC CORPORATION 1998
MULTI-CD CONTROL HIGH POWER CD PLAYER WITH FM/AM TUNER
DEH-P646 ES
Se r v i c e
M a nu a l
DEH-546 ES
DEH-P646
K-FEA. FEB. 1998 Printed in Japan
ORDER NO.
CRT2149
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST.......................3
3. SCHEMATIC DIAGRAM ...........................................10
4. PCB CONNECTION DIAGRAM ................................30
5. ELECTRICAL PARTS LIST ........................................40
6. ADJUSTMENT..........................................................50
7. GENERAL INFORMATION .......................................56
7.1 PARTS .................................................................56
7.1.1 IC................................................................56
7.1.2 DISPLAY....................................................62
7.2 DIAGNOSIS ........................................................63
7.2.1 DISASSEMBLY .........................................63
7.2.2 TEST MODE..............................................64
7.3 BLOCK DIAGRAM ..............................................66
8. OPERATIONS AND SPECIFICATIONS.....................68
- See the separate manual CX-597(CRT1829) for the CD mechanism description, disassembly and circuit
description.
- The CD mechanism employed in this model is one of S7 series.

Pioneer DEH-546 Specifications

General

Brand	Pioneer
Model	DEH-546
Category	Car Receiver
Language	English

Summary

SAFETY INFORMATION

CD Player Service Precautions

Precautions for handling the CD player and during disassembly.

EXPLODED VIEWS AND PARTS LIST

Packing Section Parts List

Lists parts related to the product's packing and accessories.

Exterior Section Parts List

Lists external parts of the unit with their corresponding part numbers.

CD Mechanism Module Parts List

Detailed parts list for the CD mechanism module.

SCHEMATIC DIAGRAM

Overall Connection Diagram

Provides an overview of the unit's internal connections for service.

CD Mechanism Module Schematic

Detailed schematic of the CD mechanism module.

FM/AM Tuner Unit Schematic

Detailed schematic of the FM/AM tuner unit.

Keyboard PCB Schematic

Schematic diagram for the keyboard and display control PCB.

PCB CONNECTION DIAGRAM

Tuner Amp Unit PCB Connection Diagram

Shows component placement and connections for the tuner amp PCB.

FM/AM Tuner Unit PCB Connection Diagram

Component layout and connections for the FM/AM tuner unit PCB.

CD Mechanism Module PCB Connection Diagram

Component layout and connections for the CD mechanism module PCB.

Keyboard and Switch PCB Connection Diagram

Component layout and connections for keyboard and switch PCBs.

ELECTRICAL PARTS LIST

IC, Transistor, and Diode Lists

Lists semiconductor components with part numbers.

Passive Components Lists

Lists coils, filters, resonators, and resistors with part numbers.

Capacitor Lists

Lists various capacitors with part numbers.

Miscellaneous Electrical Parts

Lists other electrical components like switches and buzzers.

ADJUSTMENT

Tuner Adjustment Procedure

Describes the procedure for adjusting the tuner unit, including connection diagrams.

CD Section Adjustment Procedures

Precautions and procedures for adjusting the CD section, including test modes.

Pickup Unit Grating Check

Procedure to check CD pickup unit grating angle after replacement.

GENERAL INFORMATION

IC Pin Functions

Details pin functions and operations for various integrated circuits.

Display Component Details

Details the LCD display components, including segment and common connections.

Diagnosis Procedures

Contains information on disassembly and test modes for diagnosis.

System Block Diagram

High-level overview of the unit's functional blocks and their interconnections.

OPERATIONS AND SPECIFICATIONS

Connection Diagram

Illustrates how to connect speakers, power, and other accessories.

DFS Alarm Installation

Details installation and wiring for the DFS Alarm system.

Remote Controller Operation

Explains how to use the remote control and its battery replacement.

Basic Tuner Operations

How to perform manual, seek, and local tuning.

Basic CD Player Operations

Explains disc loading, eject, and playback functions.

Basic Multi-CD Player Operations

Describes controlling multiple CD players, disc search, and display switching.

Tuner Operation Modes

Explains Local Seek Tuning and Best Stations Memory (BSM) functions.

CD Player Playback Modes

Details Repeat, Scan, Random, Pause, and Disc Title Input functions.

Technical Specifications

Provides detailed technical specifications for the unit.