Technics SU-V4 Service Manual

= BLOCK DIAGRAM OF IC’S
e This is the basic block diagram of the inside circuit of IC. In an
actual circuit, there may be sometimes idle terminals or some dif-
ferent functions other than the basic circuit.
CURRENT
MIRROR
1C101 (SVINJM4559Ds)
Equalizer amplifier
1C303, 701 (AN6552F)
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DIRECT VOLTAGE | | DISCHARGE | |
3 CIRCUIT
(3) CIRCUIT
SHUMITT | RELAY DRIVE
CIRCUIT CIRCUIT
SUB STRAIGHT
GROUND
1C601 (SVITA7317P) Speakers protection
Driver
Synchronous
bias transistor
Synchronous
bias transistor
Temperature
compensation
transistor
| Driver
Fr O cee
Power amp.
Tone contro! amplifier & voltage amplifier
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1301, 302 (SVISTK8050) Synchronous bias circuit and power amplifier
U-V4
| BLOCK DIAGRAM
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VR1 is in
with VR2
Resistance value
Rotationz.
Characteris

Technics SU-V4 Specifications

General

Brand	Technics
Model	SU-V4
Category	Amplifier
Language	English