Fisher CA-77 - Page 2

CONTENTS
Functional Block Diagram ......... 0.0 eee ee ee ee eee ees 2
SPECIFICATIONS: <ds'oic- eects hee GS aes ee ee were le oe oe A A neal Ba Bihan bua 3
Disassembly Instructions ... 0.00.00 ce es 4
Recommended Test Equipments ... 0.2.0.0... eee ee ees 5
Harmonic Distortion Test... 2... 2. ce ee eee 5
Exploded View of Cabinet and Chassis ... 2... 2. ee ee ees 6
Parts: List: .!.20-3 2 sgieecdg Gib S Suse ee Oe we aoe wise Ree ne ee SA Nea, 7
System 7700 Connecting Diagram .... 2... 2-0. ee eee 8
IC Equivalent Circuit & Block Diagram... 0.2 ee eee 9,10
Printed Circuit Board (Bottom View) ........ 0.0 ee ee ee ee eee 11,12,13,14,15
Parts: Wiist: x 2ee 6 oS eign aes Ca wank Rhee ee Se eas gu Aa ae sede Ae ee 16,17,18
Point to Point Wiring Diagram... 1... ee ee 19,20
Schematic Diagram: co. are ee hence ee Sie Bn Sen a ed eee eee erletn e ee av gens ge ae as 21,22
Semiconductor Lead Identification ... 0... 0... eee ee eee 23
FUNCTIONAL BLOCK DIAGRAM
BEDE
GRAPHIC
EQ Amp.
peak Protector
Fuse
TAPE
SWITCH
FUNCTION
SWITCH
LC7815H
EQ Amp.
LA6458D
Main Amp.
STK4191
Balance VR
MIC
Loudness
SW.
Mic Amp.
LA6458D
Mic VR
Speaker
System