Block Diagram - Technics RS-B11W Service Manual

■
B LOC K DIAG RAM
I C I ( 1/2 )
P.B/EO AMP
TAPE I
PLAYBACK_
H E A D
TAPE 2
RECORD/
PLAYBACK'°7"
H EAD
VR 3
P.B Level
adj .
(TAPE 2 J
L I N E I N
-- - - - ,
L _ _ _ _
IC 3
M I C AMP
J 3 '. M I C
VR 9
B ias Current
adj .
040
II BIAS OSC
ERASE
CONTROL
H E AD
I C 4 ( 1/2J
M I X I NG AMP
- ,
I
I
•
I
I S6
0
Play
I /
(Tape 2J
I I
f
I I I
I
I
Dubbing/Mixing
ON/OFF
I
S3-2 S3-4
I I
off - on off-on
020
I I
I L
L _
1
I Rec/Ploy Selector
1
S l- 6
I
I I Play-Rec
:
t t
Q42
04 1
AUTO
TAPE
SELECTO
S l 2 S l 3
ATS S W ATS SW
� �
( Metal J (Cr02 J
- 10 -
Dolby NR Selector
Dubbing/Mixing ON/OFF
S2-2 S 3 -2
off-on
0 2 1 ,23
Dolby NR/
MPX IN-OUT
M . P. X
043 , D?, 8
TA PE I
EO CONTROL
C I RC U I T
°{
S I O
Play EO
( Tape I )
S9
SS
0 0
FF/REW
/ /
Play
( Tape I )
( Tape l )
f f
Dubbing Speed Selector Rec/Ploy Selector
Q52
S4-2 S l - 7
TAPE 1
rr
Norma l - Metal
Ploy�R,c
IC 7 ( 1/ 2 )
HEADPHONES AMP
From R - CH � �: ADP.HONES
VR ?
Overa l l
gain adj.
VR30 1
FL Meter
adj.
r
I
+
I
I
I
t
FL METE R
0 5 1 050
TAPE2 TAPE I
MOTOR
MOTOR
S P E E D
SPEED
CONTROL
CONTROL
TAPE 2 TAPE I
MOTOR
MOTOR
GOVERNOR
GOVERNOR
?
?
S l 5 S l 4
..__ _ Cm -----' :
MOTOR SW MOTOR SW
( Tape 2 ) (Tope I J
SPEED
_
_
CONTROL
�-- -
TO FL METER
�-------<� �
- 1 1 -
RS-B11W
L I NE OUT
From
AC POWER
}
T RA N S FORMER
S I G
POWER
ON/OFF
AG IN