Philips ah 784 rec service manual

This is the 24 pages manual for philips ah 784 rec service manual.
Read or download the pdf for free. If you want to contribute, please upload pdfs to audioservicemanuals.wetransfer.com.

Page: 1 / 24
philips ah 784 rec service manual

Extracted text from philips ah 784 rec service manual (Ocr-read)


Page 1

22AH784-44 Stereo Receiver

Sewfige
§@WI@@
SerVIce

V Service Manual

PHILIPS HIGH FIDELITY LABORATORIES, LTD.
SERVICE DEPT. P.O.BOX 2208 FORT WAYNE, INDIANA 46801

06478 Philip: High Fldelirv Labornorlu LTD., 1978 Printed in USA. I H I ll I s

Page 2

TABLE OF CONTENTS

Description . Fs-gs
Specifications ........................................................................... 1
Chassis Identification ...................................................................... 1
Front Panel.Functions ..................................................................... 2
Rear Panel Functions ..................................................................... 3
Output Transistor Replacement ............................................................... 3
Circuit Description ..................................................................... 4-7
Alignment and Adjustments ............................................................... 9-11
Dial Stringing Procedure ................................................................... 19
Replacement Parts List .................................................................. 20-21
-
,. e
A

LIST OF ILLUSTRATIONS

Description Pflc;
r
Graphs ............................................................................... 1
Front Panel ............................................................................ 2
Rear Panel ............................................................................. 3
Chassis Top View ........................................................................ 8
Alignment Reference Guide .................................................................. 9
Schematic Diagram ..... _, ............................................................... 12-14
IC Voltage Charts ....................................................................... 14
Main P.C. Board (Copper Side) ............................................................. 15-16
Switch Guides .......................................................................... 16
Main PAC. Board (Component Side) .......................................................... 16-17
Gain Diagram .......................................................................... 18
Dial Stringing Diagram .................................................................... 19