Sharp VC-90ET - SYSTEM CONTROL BLOCK DIAGRAM

VC-90ET VC-90ET
SYSTEM
CONTROL
BLOCK
DIAGRAM
TO LUMINANCE BLOCK
/ AUDIO CIRCUIT
TO AUDIO CIRCUIT
TO LUMINANCE BLOCK
TO AUDIO CIRCUIT
TO LUMINANCE BLOCK
TO HEAD AMP. BLOCK
TO CHROMINANCE BLOCK
FROM HEAD AMP BLOCK
TO AUDIO BLOCK
VIDE-V24277 / DRUCK 2
SYSTEM CONTROL
Icgo!
RH-IXO803GEZZ
KEY IN (8)
BIAS
BIAS CTL 9V P CTL tL)
LOADING
AUDIO MOTOR
P-CTL Sv
sw
0706
P-CTL 9V
sw 2
POWER UNIT
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1
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=
oes
7
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at
!
i
TIMER SI-CLOCK [5> (?
1
| 1
TIMER CIRCUIT =! 7D AP \
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ieee ahen <7[SYSCON SI-READY (L) (9
BLOCK DIAGRAM)
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1D AT y
Cs [syscon si-pata [6] (9
!
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|
TD AT
[a[ timer si-pata J a> (3
61
MUTE (L) FWD
LOADING
MOTOR
REV
AL MG LOADING
LOADING MOTOR
MOTOR (-)
LOADING MOTOR
DRIVER
'
i
I
1c803 !
VHIBA6209//1E 1
t
|
LOADING
MOTOR (+)
CAPSTAN
MOTOR
AM
|
1
\
' CTL/FG-PG AMP.
6" ADDER AMP.
!
i]
CAPST AN
CLOCK CTL SIGNAL DRIVER
' 1c70!l 1
HA. SELECT | RH-IXO960GEZZ |
SERIAL
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!
DRUM
DATA
I
MOTOR
(SEE '
ROTATION : | "SERVO BLOCK | ag
!
DIAGRAM)
|
|
'
CAPSTAN
DETECT
TIMER
S]-CLOCK
SYSCON
SI-READY
(L)
SYSCON
SI-DATA
TIMER BRAKE
SI-DATA SOLENOID
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DRUM
MOTOR
ORIVER
ORUM MOTOR
CTL SIGNAL
TO LIMINANCE BLOCK
ATl2v
O
0807
AM MF BRAKE
SOLENOID
A BRAKE cee,
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