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SU-VX800
Technics SU-VX800 Service Manual
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Manual
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Table of Contents
Specifications
1
Contents
2
Before Repair and Adjustment
2
Protection Circuitry
2
Location of Controls
3
Connections
3
To Connect to each Terminals
4
Disassembly Instructions
5
Removal of the Cabinet
5
Removal of the P.C.B. Angle
5
Removal of the Upper Plate
5
Removal of the Power Transformer
6
Removal of the Front Panel Ass'y
6
Removal of the Remote Switch Controller
6
Removal of the Volume P.C.B.
6
Removal of the Operation P.C.B.
7
Removal of the Switch P.C.B.
7
Removal of the AC Inlet/Volt Adj. P.C.B.
7
Removal of the Rear Panel
8
Removal of the Main P.C.B.
8
Removal of the Input Select P.C.B., and Tape 2/DAT P.C.B.
8
Removal of the Power Transistor
8
Measurements and Adjustments
9
Replacement of the Foot
9
Adjustment Points
9
Voltage Control Amp. Idling Adjustment
10
Current Drive Amp. Idling Adjustment
10
Amp. Gain Adjustment
10
Replacement Parts List
11
Cabinet Parts Location
14
Schematic Diagram
16
Input Selector Circuit
17
Volume Circuit
18
Operation Circuit
18
Wiring Connection Diagram
24
Block Diagram
25
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Technics SU-VX800 Specifications
General
Damping Factor
60 (8 ohms)
Channel Separation
55 dB (1 kHz)
Input Sensitivity
150mV (line)
Output
Speaker, Headphone
Speaker Load Impedance
4 ohms - 16 ohms
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