Fender 021-5700-000 User Manual

TWIN (PRO-TUBE) AMP
p/n 021-5700-000 (120V)
SERVICE MANUAL
CONTENTS:
Notices
Specifications
Service notes
Parts lists:
PCB assy-main
PCB assy rear
panel
Chassis assy
Cabinet assy
End item
Drawings
Fender Musical Instruments Corp. 7975 North Hayden Road Scottsdale, AZ 85258

Fender 021-5700-000 Specifications

General

Type	Solid State
Speaker Size	8 inches
Channels	1
Inputs	1 x 1/4"
Effects	Reverb, Vibrato
Speaker	Fender Special Design

Summary

Service Manual Introduction and Notices

Warranty Service and Part Usage

Technical Specifications

General Product Specifications

Amplifier Performance Details

Power output, input impedance, tubes, and speaker complement.

Fuses and Footswitch Functions

Details specific fuse types and footswitch functionality.

Service and Maintenance Procedures

Chassis Removal Guide

Amplifier Tube Chart

Diagram showing tube placement and types within the amplifier.

Output Tube Bias and Balance Adjustment

Procedure for setting bias and balance for output tubes.

Parts List - Main PCB

Main PCB Component Breakdown

Chassis Assembly Overview

Chassis Components and Hardware

Power Transformer and Choke

Chassis Assembly - Controls and Sockets

Chassis-Mounted Controls and Jacks

Details on switches, jacks, pilot lights, and connectors mounted on the chassis.

Tube Sockets and Related Parts

Cabinet Assembly

Cabinet Construction Components

End Item Assembly

End Item Components and Wiring

List of components for the complete, final amplifier unit including wiring.

Casters and Speaker Assemblies