Sony BVW-55 Maintenance Manual page 662

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