Technics RS-CH770 - Block Diagram

RS-CH770__|
m@ Block Diagram
MC T4066BFEL
— 6) Q108
mom
SIGNAL CONT. {7}
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.—-oe Je
14
JK601(1/2)
12)
CXA1102M-T4
MC 14066BFEL
DECK 1/2 SELECT
VR 102(VR 103)
P.B GAIN ADJ. ree 01)
(DECK2) I ~- +3
(1
VR104(VR 101)
P.B GAIN ADJ.
(DECK?)
DECKI
PLAYBACK HEAD
g @105(Q 106)
MUTING
0105
(0106)
Q103(0104)
HEAD SELECT O
: Q103
(PLAY : ON) (Q 104) iy
DECK2 ap
R/P HEAD g
Q101(Q 102)
HEAD SELECT
(REC : ON)
BA7755AF
R/P SELECT
ro- -<S ~d- 0
l
I
O
1
GB)
$976(METALDECK2)
BIAS OSC
CONTROL
{CrO2/
METAL)
SWITCHING
(REC : ON)
ON2180RLC
|1c951
F
807,009
PHOTO
INTERRUPTER
NAN CAPSTAN
7 SOLENOID MOTOR
DRIVE
s9st
801,811
(MODE) CAPSTAN
c MOTOR
$952
(HALE)
o—— 0
VRBOT
(TAPE SPEED AD}
(3)
~28-