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Sharp VC-A30G Serviceanleitung Seite 103

Video-kassetten-recorder

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MAIN CIRCUIT1
HAUPTSCHALTUNG1
MSI721ATL
ORUM
MOTOR
DRIVER
CAM SW OSW-ROD2|
'OUTPUT
2 2AMP
'OUTPUT
Two
2 1AM
DIFFERENTIAL
START
SENSOR
RBO06
REC-CHIP_SW
15K
=
Py
OSW-F 0034GEZZ
"
RBOOB
22K
08006
RH-PXOOS3GEZZ
END SENSOR
R00!
10OK
CASSETTE CONTROL SW
OSW-FOO4OGEZZ
END
SENSOR
PWB
(F2694GE)
HW-1O1A x3
@)
PRE DRIVER
CASSETE
LED
RH-PXO 1 69GEZZ
io
BRAKE
SOLENOIDE
RPLU-OO83GEZZ
|
REEL
SENSOR
(TAKE
UP)
a
'
RH-PXO171GEZZ | >
FULL ERASE HEAD
yx
RHEDTOO26GEZZ
aunio HEAD
4
AUDIO/CONTROL
HEAD
RHEDUOO70GEZZ
AUDIO ERASE HEAD
"y
CONTROL HEAD
4,
LODING
MOTOR
RMOTM!| O49GEZZ
RBO25_ Reoza| RBOZZ| RBOZ3 RBOZ!
56K
22K
OSW-ROOZ6GEZZ
08005 RH-PXOO53GEZZ
08002 VS2SA937-0
DRUM
MOTOR
UNIT
RMOTP
| O96GEZZ
OCNW-6006GEZZ
2 |——| DRUM FG.PG GND
3 |——| ORUM 12v
wof(M)
CASSETTE
CONTROL
PWB
(F3194GE)
START
SENSOR
BUFFER
RE007
22K
OCNW-5969GEZZ
END SENSOR
AT 5V
cao0s
7
A
START SENSOR
RE002
GND
amK
CASSETTE
SW
CASSETTE
CONTROL
8007
DTCI24F
800!
VS2SA937-0
END SENSOR
BUFFER
CAPSTAN
MOTOR
UNIT
RMOTN2028GEZZ
OCNW-5969GEZZ
=|
Pc sv
=|
capsTAN Rvs (H
CURREENT LMT
M. GND
—=— | CAPSTAN I2v
uD
SENSOR
PWB
(F2977GE)
OCNW-5969GEZZ
GND
AT 5V
TU REEL PULSE
BRAKE SOLENOIDE
BRAKE SOLENOIDE C)
FULL
ERASE
(F2936GE)
HEAD
PWB
Mu | OCNW-52B3GEN!
al—e—] FULL ERASE HEAD
1/—-| cno
AUDIO/CONTROL
PWB
(F2888GE)
MJAC
xt
AUDIO HEAD (PB)
x3
AUDIO HEAD (REC)
OCNW-5283GENI
xa
ERASE HEAD
ERASE HEAD
cTt
HEAD ©)
LODING
MOTOR
PWB
(F2886GE)
OCNW-5283GEN!
LOADING MG)
LOADING MO)
cAM Sw
10K] 4.7K
3.3K
GND
2|——|DRUM PGFG GND
3|—-—|DRUM
12v
5|——|DRUM
GND
OCNW-5969GEZZ|
AM
CASSETTE
SW
]GND
START SENSOR
AT 5V
END SENSOR
NC
PC 5v
-|CAPSTAN RVS
| @
=
|CURRENT
LIMIT
12
CAPSTAN
i2V
13
M
GND-
14
GND
1S
INC
16
GND
7
AT
5V
18
TU REEL PULSE
[19
jaraxe sou.)
[20
Brake so.©
zi
Mu | OCNW-5283GEN! | AC
— |cno
sleet
HeADO
TO
AUDIO
wc | OCNW-5283GEN!
1 |2--|LoaoIns mG)
2|++|Loapinc MO)
3 [= jcam sw
4|—-|6NnD
VC-A30G(BR) VC-A30S(BR)
VC-A30GM(BR) VC-A30SM(BR)
VC-A300M(BR) VC-A30SV(BR)
R727
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R728
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arew
(
PC
LA7II6
SERVO
INTERFACE
0704
Dxooaace
D705
x00 |48GE
0703
VC-A30G(BR) VC-A30S(BR)
VC-A30GM(BR) VC-A30SM(BR)
VC-A300M(BR) VC-A30SV(BR)
C706
C709
1000P
47y
16.3VH
R704
41K
ty
a
48
7
3
2.
(
(
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AP_ERR
DRUM_ERR
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0702 2 a
0x00 |48ce
cris
0703 | 330°
DxOO
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R715
RIT
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220K
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2SA1037KO
CAPSTAN
FILTER
12.4
ee
0804
2SC200ILK
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ar
REZ25
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1oK
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ae
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ark
SERVO
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MOTOR
DRIVER
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PRE DRIVE!
F/R
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sw
Fwo
[rvs
|12v
5
co: C802
(Sov) OV)
(NP)
RO!
3.3y
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10K $ 10K
6
Reo2
VS_GND_OUT
VQ
QOae
as
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6
Q803
28€2412KO
SENSOR
AMP
XRAI5218
or
BAI5218N
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ro
27K
=
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2SA1037KO
CTL-P GAIN SW
25
<8
4
2
R740
R710
22k
270K
0705
2SA1037KO
737
ot
DRUM APC SHORT
0702
2SA1037KO
CTL-P
GAIN
SW
25
48,
2a!
0706
2SA1037KO
CAP.APC
SHORT]
C726
C728
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01
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sh
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10K
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1OK
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CAPSTAN
AFC
DRUM
FG!
3
&
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SHORT
(L)
V.SYNC
(L)
SEARCH
(L)
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arc] DRUM
APC
V.TUNER
(U1
CAPSTAN
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®
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CTL (Hy WIFT
CTL «Uy
MESECAM
(H)
PAL/SECAM
(Hi
CAPSTAN
Fi
CTL GAIN
Swi
APC MUTE
_(L)
ORUM
APC MUTE
CAPSTAN
APC
CTL SHRESHOLD
Sw
on
CAPSTAN
UL (LU) CAPSTAN
PU (L)
CURRENT
LIMIT CAPSTAN
RVS (HI CAPSTAN
CTL
BRAKE
SOL,
S.T DATA
cLocK
ouT
@ |LoavING
m Avs & |Loapinc
m FWO.
@ |auTO
FUNCTION
™ |sTART
SENSOR
G |COUNTER
PULSE
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H. sw, P
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cam
Sw @ |casseTTE
sw
BIST
READY
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para
& [Ts cLocK
© [REEL
sensor
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sensor
& [sp tH
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(4.43MHz)
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RBZ
18K
%2 ONLY
2556M
0707
280241 2K
R796
8.2K
a8
= °
R638
a7k
R748 RTAT
5.6K
4.7K
RTa9
100K
Ce
a
ee
ee
ee
eee
5
* SPANNUNGSMESSMETHODE
* VOLTAGE MEASUREMENT MODE
PB .......
Parentheses(
)
REC ....... Without Parentheses
103
WIEDERGABE
AUFNAHME
6
Runde Klammern(_)
Ohne runde Klammern
a
ee
ee
ee
104
C734
iw
150v)
+
C738
1on
— ev)
0707
Dx0048ce
o708
Ox004ace
33)}—{PoweR CTL IL)
35}—{AL PB WW)
39)}—(B1AS
CTL
a9){rv
3a} {ee
31 y(ver w
37 )}—{V.TUNeR
1)
36 )—{ ATUNER tH)
17}—{auolo MUTE tH)
50)—{ VIDEO H.Sw.P
1 {sync
DET
b }{composit
sync
a3)—(PaL_ oo
42)—{ MESECAM (HW)
16)—{(sP
w~
TUTE
TUTT
TTT
Try
{ac
puse
(art
wore
{vt
PUuLse
x!
t
}-——————( Tuner P-con
TUTTI
=
ONLY
G,GM,SV
2556M
TIMER
OCNW-6426GEZZ
(10Pm)|
1p
OCNW-64286E22
{32m
scl
SDA
AC PULSE
T.S CLOCK
TS DATA
S.1 DATA
S.T READY ()
JCOUNTER PULSE
BO
at
AFT MUTE
VT PULSE
TUNER P-CON (H)
HHT
ETAT
eer
at
xI1= ONLY

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