
3-20
BVW-55
3-20
SV-206
Block diagram
SERVO CONTROL, MOTOR DRIVER, SENSORS
SV-206
LOT NO. 812-
Block diagram
SV-206
14-21
CN201
SY D0-7
7
PH400
8
10,14,15
3V/5V
CONV
DUAL
RAM
PORT
IC300
D0-7
CN303
SLOW BID
22
CONV
3-13
CN302
SY A0-10
3V/5V
IC304
IC302,303
A1-11
IC103,104,107,108
ADDRESS
DECODE
A5,8-
5
I/O
PORT
A1-3
IC305
D0-7
5
PB FP1
DM-121,101-16
DM-121,101-31
PB FP2
6
DM-121,101-29
IC605,Q619
DRIVE
PLUNGER
T800
OSC
CH-1 ERASE HEAD
8,9
CH-1
ERASE ON
METAL/OXIDE
CH-2 ERASE HEAD
11,12
OSC
T801
ERASE ON
CH-2
LTC ERASE HEAD
5,6
OSC
ERASE ON
LTC
T802
IC804,805,807
PULSE
GEN
CH-1/2 BIAS CLOCK(X)
7,8
5,6
CH-1/2 BIAS CLOCK(Y)
DIVIDER
IC8000,X800
3
BRAKE PLUNGER ON
PM1 PLUNGER
PM1 PLUNGER
IC605,Q619
BRAKE PLUNGER OFF
PLUNGER
DRIVE
1
THREADING MOTOR
LOADING MOTOR +/-
MOTOR
DRIVE
1,2
F CAM CHECK1-6
F CAM
SENSOR
1-6
IC602
PH300-303
6
4
SHAPE
IC306
Q300-304
RESET
RESET
25
CN302
SYS RESET
SY-272,41-33
VPR-59,91-33
TG-191,51-33
SDI-23,61-33
DEC-97,71-33
APR-42,31-33
PB LTC
14
REC LTC
SY-272,41-91
SY-272,41-93
15
T/C CURRENT
2
AU-262,11-95
BUF
IC903
MUTE
Q907
IC903
AMP
LTC PB/REC
3
LTC HEAD(Y)
A/T HEAD,LTC
SHAPE
IC905
IC902
FILTER
IC901,Q905,906
LTC HEAD(X)
2
A/T HEAD
23
CTL PULSE
MD-122,52-31
MD-122,52-33
CTL SIG
24
CTL HEAD(Y)
4
CTL HEAD(X)
3
CTL HEAD
CTL HEAD
CN401
CN601
CN601
CN601
CN301
CN706
CN706
CN702
CN305
CN301
CN301
CN301
CN601
CN601
AU-262,11-98,100
AU-262,11-97,99
A/T HEAD
A/T HEAD
A/T HEAD
1
FULL
ERASE HEAD
CN401
FULL ERASE HEAD
SENSOR
TAPE TOP
CN703
1
TAPE TOP SENSOR
TAPE END
SENSOR
CN704
1
TAPE END SENSOR
CN707
1
FULL TOP SENSOR
CN301
12
TAPE DIRECTION
SY-272,41-87
OSC
SRAM
IC106,110
IC112
FLASH
MEMORY
IC113
I/O
PORT
IC405,407
SEL
IC114
EDIT CTL
CN301
13
SY-272,41-89
D107
D108
SEL
IC105
SY-272,41-73
CN301
11
SV EX COM RX
SY-272,41-75
10
SV EX COM TX
1
TXD
CN102
2
MD-122,52-30
MD-122,52-29
18
19
MINI TXD
MINI RXD
CN303
S TENSION
IC102
SERVO
CPU
TXD1
SEL
IC101
DM-121,101-9
21
ANA RF ENV
D106
REC CTL
S100
S101
MPU
IC402
IC403
SE1 SENSOR DEW
1
DEW SENS
CN701
S400-406
7
IC406,408-410
PB/REC
CTL AMP
SHAPE
IC408-411
3
IC208
SERVO
CONTROL
Q900-904
T900
FULL
ERASE ON
D0-15
A1-16
A1-18
D0-15
D0-7
A1-3
S100
DIP
SW
4
D0-15
A1-18
A1-7
D0-7
X100
20MHz
SEL
DRUM
CONTROL
IC210
EEPROM
D200
SV20MHz
RXD
TXD2
IC105
DO
DI
SC2
SC1
5V
RXD1
RXD
SENSOR
FULL TOP
IC603,604
GEN
PULSE
IC501,503
IC502,503
SHAPE
CAPSTAN FG A ANA
CN201
5
CAPSTAN DRIVE
CAPSTAN FG(A)
CAPSTAN FG(B)
CAPSTAN FG B ANA
CAPSTAN
DRIVE
SHAPE
IC500
IC506
S REEL FG(B)
S REEL FG(A)
CN304
2
3
CAPSTAN MOTOR,5
CAPSTAN MOTOR,7
S-REEL MOTOR,2
S-REEL MOTOR,3
CAPSTAN MOTOR,8
SHAPE
IC505
T REEL FG A
PH500,501
SENSOR
FG A/B
T REEL
T REEL FG B
ERROR
S REEL
IC713,714
SEL
IC702,703
DRIVE
REEL
IC712
2
CN705
SR-65,1-2
6
CN304
S-REEL MOTOR,10,14,15
5-9,11-13
S-REEL MOTOR,
S REEL PWM
S TENSION PWM
REEL COIL U/V/W
3
HALL U/V/W +/-
S TENSION
5-9,11-13
DM-121,101-12
C DO PLS
Y DO PLS
CN303
24
23
SEL
IC202
DRUM ASSEMBLY,3-2
DRUM FG
DRUM PG
CN101
2
3
DRUM FG
COUNT
IC206
DRUM ASSEMBLY,3-3
DM-121,101-10
IC205
SO
SI
DRIVE
IC600,601
DRUM
DRUM CURRENT
CN101
5
DRUM DRIVE
CN101
7
DRUM ASSEMBLY,3-7
DRUM ASSEMBLY,3-5
RP-107,401-27
RE B ENABLE
CN302
1
RE A ENABLE
2
INV.
Q201-204
1
RP-107,401-28
RP-107,401-23
RP-107,401-25
2
RP-107,401-26
3
RP-107,401-24
4
CN303
CA REC ENABLE
CB REC ENABLE
YB REC ENABLE
YA REC ENABLE
12
DM-121,101-24
14
16
17
DM-121,101-22
DM-121,101-20
DM-121,101-18
CN303
C PCM MUTE
Y PCM MUTE
RF Y BLK
RF C BLK
7
CN202
6
3
4
8
C SW P
Y SW P
CTL SIG
CTL PULSE
PB LTC
SY-272,41-47-57
VPR-59,91-39-46
SY-272,41-39-46
TG-191,51-39-46
SDI-23,61-39-46
DEC-97,71-39-46
APR-42,31-39-46
CN302
CS
IC103
PULSE
IC803-808
GEN
LTC PB/REC
IC404
S TENSION
ADV Y SW PLS
ADV C SW PLS
10
13
AFM-16,21-99
MD-122,51-91
DM-121,101-21
RP-107,401-19
MD-122,51-92
DM-121,101-23
RP-107,401-21
IC801
8.38M
5
CASSETTE-IN
SENSOR
PH304
REC/PB
LTC
FG SEL
(0,2,C)
TAPE
TOP/END/PULL
DETECT
CAPSTAN FG B ANA
CAPSTAN FG A ANA
3
IC207
AMP
IC100
DEW
DETECT
IC400
POWER ON
RESET
OXIDE TAPE
REC INHIBIT
SENSOR
CASSETTE'S
TAB
SENSERS
AND
METAL TAPE
REC INHIBIT
SENSER
2.27M
X400
EVR
LATCH
3
FG SEL
(0,2,C)
4
RV100
TRA CON
Summary of Contents for BVW-55
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