Technics SU-V4 User manual

I BLOCK
DIAGRAM
OF
IC'S
. This is the basic
block diagramof the inside
circuit of lC. In an
actual circuit, there may be sometimes idle terminals or some dif-
ferent
functions
otherthan the basic
circuit.
I
I
I
L
rc101
(svrNJM4559DS)
Equalizer
amplifier
rc303
(AN6552Fl
Tonecontrol
amplifier
6)
T
GROUNO
1C601
(SVlTA7317P)
Speakers
protection
I
I
I
.l
Y
J
POWER
ON.OFF
OET€CIIONCIRCUII
OVTR
CURRENT
oEr€cnoN clRculr
E
1C301,302
(SVlSTK8050)
Synchronous
biascircuitand
por'Yer
amplifier