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9.12
FF>F.SCAN
SCAN mode
filter circuit
tormed
Press
SCAN
button
Reverse
solenoid
ON
Forward
solenoid
ON
Both
solenoids
activated
Pins 26 and
42 of
|
NEXT
PD4050B
shorted
03 ON
|
PA0008
L
|
Pp 40228
a4
,
ees
fear
al
sv
P04022B
{
"6 f | ——= 012 ON
054 ON
oy
mt
|
en
t= 100msec.
Music
Blank
D2 OFF
section
section
of —on
ON—-02
on
Pulses stopped
in about 150msec.
« { —oi ON—-O1
ON
10°
SCAN operation recommenced after
*
about 12 seconds of PLAY
9.13
MS OPERATION
AUDIO UNIT
CONTROL UNIT
L-CH
Filter
DOLBY NR
02
O
DOLBY
NR
[25
An LR output signal is generated in the Dolby NR circuit
and is passed via a filter circuit to pin 9 of IC3.
A Schmidt
circuit generates a pulse output synchronized with recorded
|
PD4022B
PD4022B
$0 $1
rf. a
*%
J
End of
a
ee,
Detectionofi
Blank
Start of
start of
Tape travel
tape
detection
next music
next music
reversed
rewinding
*
+
| 4
NEXT
HI
IW
PO 4022B
Biank
Music
section
section
Music
section
Blank
section
Pulses stopped
in about 50msec.
|
PD4022B
|
;
27
16 pulses
|
PD4022B
10
Fig. 36
SS 2
PNT
"Le
- —_ SCHMIDT
Rin
tae
1€ 3 PAOOOS
Cl
PD4022B
Fig. 37
32
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