Sharp RX-P1H Technisches Handbuch Seite 52
Technische erlauterung des digital-audio-cassettendecks
Inhaltsverzeichnis
RX-P1H
RX-P1H
10904 (BU74HC86)
IC981(BU4066BF)
)—O-—-8-—_
4
—-_O—Z
Ai
Bi
Y1
A2
B2
Y2
VSS
(3)
170
OY!
OY!
170
Ce
C3
Vss
Truth Table
1
1
e
2
INPUT
OUTPUT
C1-C4
|
SWITCH
A
[
B
[
H
[
ON
0
0
0
L
OFF
0
1
1
1
0
1
1
1
0
0: L Level 1:H Level
A. T. F.
TRACK
PATTERN
(View
on
magnetic
sensitive
side)
f1
:
feh/72(PILOT)
130.
67xHz
#2
:
feh/18(SYNC1)
522.
67«Hz
#30:
feh/12(SYNC2)
784.
00xHz
f4
:
feh/
G{ERASE)
1. 568MHz
f1-f4
:
DUTY
CYCLE
50x
{A)
: +AZIMUTH
TRACK
(B)
: -AZIMUTH
TRACK
O EVEN
FRAME
ADDRESS
TRACK
0.5
BLOCK
SYNC
©
ODD
FRAME
ADDRESS
TRACK
V
TAPE
1
BLOCK
SYNC
—_——___—_.
A. T. F. TRACK
PATTERN
~ 67 -
©
10. SERVO CIRCUIT DESCRIPTION
10-1. Drum Servo Circuit Description
O
10. BESCHREIBUNG DER
SERVOSCHALTUNG
10-1. Trommelservoschaltung
DRUM
SERVO
>
*24=800Hz
2000
60
©
10. DESCRIPTION DES CIRCUITS DE
SERVOCOMMANDE
10-1. Description du circuit d'asservissement
2e60. =33. 33Hz
SPEED
ERROR
DET
r F VR201
B00Hz (REC/PB)
pse@
oe z
normAL sTaTE_| LJ LL
Ioe
rapio state
_[
L_[L_
9. 1875Kti2( 408M)
stow state
I
U
2
Figure 10-1
— 68 -
Inhaltsverzeichnis
