Technics SA-EH670 - System Block Diagram

From POWER
TRANSFORMER
1
8
W501
2
3
4
5
6
7
9
12
13
14
15
16
17
18
A.GND
+B(10V)
SUR L
SUR R
19
11
10
CT.GND
SH FL1
DATA
D.GND
TUNER L/C
TUNER Rch
Lch IN
Rch IN
S.W
MIC
-B(-10V)
V.GND
CE/REQ
CLK
SH FL2
20
SYNC
+B5
Rch
Rch
-B3
To SOUND PROCESSOR
(SH-EH670)
BLOCK DIAGRAM
LC72 CE
LC72 DI/ST
LC72 CK
DATA1
CLK1
DATA IN
CE1
345
LC72 DO
2
C2BBFD000317
IC901
SYSTEM CONTROL / FL DRIVE
94
SH CS
97
SH CK
9596
SH DO
SH DI
SHSYNC
100
SD
21
SH REQ
SD
MUTING
Q607
(Q608)
93
MUTE3
MUTING
CONT.
-VP
+B4
Q902
10
SEL/ TUNER MIC DET
25
+B8