Fisher 4035 Service Manual

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REQUIRED TEST EQUIPMENT .
CHASSIS PARTS LIST

HARMONIC DISTORTION TEST
TUNER ALIGNMENT PROCEDURES .
TUNER SCHEMATIC .

TUNER PARTS LIST I

TUNER BOARD LAYOUT

TUNER ALIGNMENT WAVEFORMS
TUNER lC SIGNAL FLOW

TUNER IC CIRCUIT DESCRIPTION

CD-4 DEMODULATOR SCHEMATIC

TABLE OF CONTENTS

CD-4 ALIGNMENT PROCEDURES . . . . I . 8
CD4 DEMODULATOR PARTS LIST 8
(DD-4 DEMODULATOR BOARD LAYOUT I 8
SO DECODER PARTS LIST . . . . . . . . 8
SC! DECODER SCHEMATIC I . . I I . I . 9
AUDIO CONTROL AMPLIFIER SCHEMATIC. . . 1O
AUDIO CONTROL AMPLIFIER PARTS LIST I I . 10
POWER AMPLIFIER SCHEMATIC I . . I . . 11
POWER AMPLIFIER PARTS LIST . . I . . . 11
POWER SUPPLV/DIAL LAMP SCHEMATIC . . . 12
POWER SUPPLY/DIAL LAMP PARTS LIST I I , 12

REQUIRED TEST EQUIPMENT

The following test equipment is required to completely test and align the
Tuner section and the CD4 Demodulator section of the 4035 Receiver:

Line Voltage Autotransformer or
Voltage Regulator

AC DC Multimeter

Accurately Calibrated AC Voltmeter

Oscilloscope (Flat to 100 kHz Min.)

Low-Distortion Audio Oscillator

Harmonic Distortion Analyzer

CDv4 Generator (Fisher 3109 or equivalent)

Frequency Indicator or Frequency Counter

Four (4) Load Resistors, 8 ohms, 50 Watts (Minimum Rated)
Low-Distortion AMAFM Signal Generator

10.7 MHZ Sweep Generator, Fisher Model 3024 or equivalent
455 kHz Sweep Generator, Fisher Model 3025 or equivalent
Multiplex Generator, Fisher Model 1536 or equivalent

Two (2) RCA Snorting Plugs

CAUTION. This precision high-fidelity instrument should be serviced only by qualified personnel,
' trained in the repair of transitorized equipment and printed circuitry.

© COPYRIGHT 1974 FISHER RADIO o All Rights Reserved.

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Fisher 4»

We invented high fidelity

FISHER RADIO -11-40 45th ROAD, . LONG ISLAND CITY - NEW YORK 11101

N L4134-103

® COPYRIGHT )974 F|SHER RADIO 0 All nghts Reserved.

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