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CONTENTS
Functional Block. Diagram:
a.-6 354. 5) 08a
wk ar ena
hd
Go nS
ed
we oe Al
SG
eae
oe oe
2
Recommended Test Equipments
...........
00. eee
3
Harmonic Distortion: Tests:
vs.
ecaecsve Ae
ec
BRA
ek Rk
we Sw
oe
at Se
ae ewe
3
Connecting Diagram,
sss.
oe koe
ee ee a
ee
ae
he
Oe
ee
ee od See
Re
4
Direct Call Function & Synchro Recording
..........
0... cee
eee
ee
5
Trouble Shooting Guide...
2...
ee
5-17
1C Equivalent Circuit & Block Diagram .. 6... ee
eee 17 — 19
Cabinet & Chassis Exploded View
...
2.0... 20... 0. cece
eee
es
20
Parts lest
09a: %.a, toh The stot sa ek sat elei Daek eR
GE
i eh RL
Gono brite
ol, wit ero a let atpalen 21 — 24
Printed Circuit Board (Bottom View) ...........
0000
cee
eee
eee 25 — 28
Point:to: Point Wiring Diagram: : ...s.e.405) 6 ak eee
ke
we Be Oe
ee
Aes
Pa
ee
ae
29,30
Schematic' Diagram.
ssczsce
oat
eee
eae
ee dh Ba aan
Wea a ate wai ice dar dad
31,32
Semiconductor
Lead Identification
.. 0.0...
0
ee
ee
eee
eee
33
FUNCTIONAL BLOCK DIAGRAM
Function
Tape Monitor
Buffer Amp.
EQ Amp.
YP
input
Graphic Equalizer
[pono]
a
©)
5 Bands
ae
STK-6328A
NJMO72D
2S8C1570
TUNER
AUX/CD
LC 7815BH
50Hz
1 kHz
15 kHz
A
250Hz
4.5 kHz
TAPE P/B
REC OUT
+
MIC Amp.
MIC
|
Mixing VR
i=
——3
—
NJMO72D
Mixing Graphic Rec Out
ih
Pre Amp.
Main Amp.
Relay
bisa aa
Speakers SW.
Speaker
System
|
|
:
ier
|
Sion
a
r A
oo
Speaker A
I
|
3
OO >-0-0
I
I
{
Master
a
be
od
LB
° C
Speaker B
L
|
Volume
NuMO72D
STK-4036
pie
+—%
Loudness
}
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