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6-2. BLOCK
DIAGRAM
-TAPE Section —
PLAYBACK
RV151
PLAYBACK
LEVEL (L)
L-CH
<= tp
=>
(RECORD/PLAYBACK)
R-CH
RV253
|
record | _\
BIAS (R)
+
EQ AMP
1C351
REC-L
KE
eg
2
DECK PROCESS,
DOLBY NR AMP
Y
10352
DECK A/B
na
SELECT
Lo
DOLBY NR
=
>>
0
AMP
°
>
>
CIRCUIT
0
REC/PB
REC/PB
sone oe |
REC-BIAS
Os5d of
REC-MUTE
ence a
RV152
a4 <<
DOLBY
eee
dey
RECORD | SS
aa
LEVEL (L)
o<]
{
L-MUTE
WIT
0351
REC/PB
R-CH
—~A
H .
Pm
REC/PB SWITCHING
1C350
o<]
Q355 oC]
4
BIAS OSC
7351
Y
RECORD
BIAS (L)
REC BIAS
SWITCH
Q359, 360
+8V
7150
BIAS
-
KE
TRAP
Kz
AVI53
CAPSTAN/REEL
MOTOR DRIVE
(CAPSTAN/REEL) (M)
0657, 659
TRIGGER
PLUNGER DRIVE
(ERASE) nS:
e SIGNAL PATH
S_> «TAPE PLAY
>_»> : TAPE RECORD
1
1
1
1
fl
BIAS OSC
Q357, 358
(TRIGGER PLUNGER)
Q656, 658
TAPE END DETECT
SENSOR
(1) TAPE-END
(HEAD POSITION DET)
ovo
(HALF DET (SIDE-A))
oOo
(HALF DET (SIDE-B))
(CASSETTE IN DET)
15
15
SYSTEM CONTROLLER
1¢801 (1/3)
(a) (Page 16)
(Page 16)
~(C) (Page 17)
HCD-CP11
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