Product: Service Manual. Fisher PH-490 Portable Hi-Fi Audio System [BOOMBOX]. Large manual. Over 70+ pages.
Table of Contents:
Specifications
Mechanical Adjustments
Electrical Adjustments
Tuner Adjustments
Dial Cord Stringing
Parts List
Exploded View (10 views) including:
Cabinet 1-2
Chassis 1-6
Speaker L, R
IC & Transistor Lead Identification
IC equivalent circuit & block diagram
Tuning Indicator P.C. Board
Record Volume P.C. Board
Function Switch P.C. Board
LED meter P.C. Board
Lamp P.C. Board
Microphone Amplifier P.C. Board
Power Supply P.C. Board
Operation Indicator P.C. Board
Sub Control P.C. Board
Power Amplifier P.C. Board
ASF Switch P.C. Board
Frequency EQ control P.C. Board
Control P.C. Board (top view)
Control P.C. Board (bottom view)
Radio Tuner P.C. Board (top view)
Radio Tuner P.C. Board (bottom view)
Pre Amplifier P.C. Board (top view)
Pre Amplifier P.C. Baord (bottom view)
Wiring Diagram (Amplifier)
Wiring Diagram (Control)
Speaker Box Schematic Diagram
Schematic Diagrams
Control Schematic Diagram
Radio Tuner Schematic Diagram
LED Meter Schematic Diagram
Frequency EQ Control Schematic Diagram
Pre-Amplifier Schematic Diagram
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