Pioneer KEH-1800 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. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER ELECTRONIC CORPORATION 1998
K-ZZB. DEC. 1998 Printed in Japan
ORDER NO.
CRT2265
HIGH POWER CASSETTE PLAYER WITH FM/MW/LW TUNER
KEH-1800 X1M/EW
Service
Manual
CONTENTS
1. SAFETY INFORMATION............................................2
2. EXPLODED VIEWS AND PARTS LIST ......................2
3. SCHEMATIC DIAGRAM...........................................10
4. PCB CONNECTION DIAGRAM................................18
5. ELECTRICAL PARTS LIST........................................26
6. ADJUSTMENT.........................................................31
7. GENERAL INFORMATION.......................................33
7.1 PARTS ................................................................33
7.1.1 IC...............................................................33
7.1.2 DISPLAY ...................................................37
7.2 DISASSEMBLY ..................................................38
7.3 BLOCK DIAGRAM .............................................39
8. OPERATIONS AND SPECIFICATIONS....................40
KEH-1830 X1M/EW
NOTE:
- See the separate manual CX-644(CRT1800) for the cassette mechanism description.
- The cassette mechanism assy employed in this model is one of 2M series.
KEH-1800/X1M/EW

Pioneer KEH-1800 Specifications

General

Brand	Pioneer
Model	KEH-1800
Category	Car Receiver
Language	English

Summary

Safety Information

Exploded Views and Parts List

Packing Section Parts List

Lists parts for product packing.

Exterior Section Parts List

Lists exterior components and their part numbers.

Contrast Table

Details differences between KEH-1800/X1M/EW and KEH-1830/X1M/EW.

Cassette Mechanism Assy

Exploded view of the cassette mechanism assembly.

Cassette Mechanism Assy Parts List

Lists parts for the cassette mechanism assembly.

Schematic Diagram

Overall Connection Diagram

Guide page showing connections between major units.

Tuner Amp Unit Schematic

Detailed schematic for the Tuner Amp Unit.

FM/AM Tuner Unit Schematic

Schematic details for the FM/AM Tuner Unit.

Keyboard Unit Schematic

Schematic details for the Keyboard Unit.

PCB Connection Diagram

Tuner Amp Unit PCB Layout

Shows component placement on the Tuner Amp Unit PCB.

FM/AM Tuner Unit PCB Layout

Shows component placement on the FM/AM Tuner Unit PCB.

Keyboard Unit PCB Layout

Shows component placement on the Keyboard Unit PCB.

Cassette Mechanism PCB Layout

Shows component placement on the Cassette Mechanism PCB.

Electrical Parts List

Tuner Amp Unit Electrical Parts

Lists electrical components for the Tuner Amp Unit.

Keyboard Unit Electrical Parts

Lists electrical components for the Keyboard Unit.

FM/AM Tuner Unit Electrical Parts

Lists electrical components for the FM/AM Tuner Unit.

Cassette PCB Electrical Parts

Lists electrical components for the Cassette PCB.

Adjustment

Connection Diagram for Adjustment

Wiring diagram for performing adjustments.

FM Adjustment Procedures

Step-by-step guide for FM tuning adjustments.

General Information

IC Specifications and Pin Functions

Details of integrated circuits and their pin assignments.

Display Unit Information

Describes the display unit and its connections.

Disassembly

Removing the Case

Instructions for removing the unit's outer case.

Removing the Cassette Mechanism

Steps to detach the cassette mechanism assembly.

Removing the Panel Unit

Guide to disengaging and removing the front panel unit.

Removing the Tuner Amp Unit

Steps for detaching the tuner amplifier unit.

Block Diagram

System Block Diagram

Visual representation of the unit's internal functional blocks.

Operations and Specifications

Connection Diagram for Operation

Wiring diagram for connecting external devices.

Cassette Player Basic Operation

How to insert, play, and remove cassette tapes.

Tuner Basic Operation

Steps for tuning radio stations and adjusting volume.

Audio Adjustment Functions

How to adjust Bass, Treble, Balance, Loudness, and Volume.