
GV-D1000/D1000E
COVER
COVER
4-29
4-30
For Schematic Diagram
• Refer to page 4-67 for printed wiring board.
• Refer to page 4-75 for waveforms.
VC-275 (7/13)
4-2. SCHEMATIC DIAGRAMS
VC-275 BOARD SIDE A
VC-275 BOARD SIDE B
4-2. SCHEMATIC DIAGRAMS
VC-275 BOARD SIDE A
VC-275 BOARD SIDE B
1.3
1.3
4.9
8.2
2.8
0.3
0.3
0.3
0.3
2.8
P0.1
R2.8/
R2.8/
P0.1
2.8
0
0.2
0
0.2
0.1
0
0
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.6
2.8
0
0.4
0
0.3
0.3
2.8
2.8
2.8
2.3
2.1
0
1.4
2.4
0.2
0
0.8
0.8
0.3
2.8
0.2
0.2
0.2
1.0
1.3
1.3
1.3
2.8
2.7
0.6
4.0
0
0.6
0.5
0.5
0.1
0.1
0.3
0.3
1.4
0.3
1.4
1.4
2.8
3.8
1.4
1.4
10.7
0.3
0.7
0.4
0.4
1.4
0.7
1.4
2.8
2.8
2.8
2.8
11.6
22
21
20
19
18
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
UNLOAD
LM_LIM_ON
LOAD
LM_LIM_DET
DRUM_PWM
CAP_PWM
DRUM_ON
D_2.8V
VTR_UNREG
REG_GND
MT_4.9V
CAP_VS
CAP_ERROR
DRUM_ERROR
TAPE_TOP
TAPE_END
MT_GND
DRUM_START
TREEL_FG
SREEL_FG
CAP_ON
XREEL_HALL_ON
DRUM_PG
TAPE_LED_ON
DRUM_FG
DRUM_FWD
CAP_FG
CFG_DUTY
CAP_FWD
REEL_EVR
PANEL_13.3V
FFREW_UP
XX
R1026
0.1u
B
C1020
0
R1036
R1008
3300
C1007
0.1u
B
4700p B
C1027
0.1u
B
C1022
B
0.022u
C1008
10k
R1038
0.1u
B
C1023
R1004
68k
10uH
L1002
2.2
R1031
1u
B
C1016
0.047u
B
C1028
C1011
0.1u
B
2.2
R1033
0.47u
B
C1034
C1003
6800p
B
1
R1024
C1012
XX
6800p
B
C1009
R1009
82k
B
C1017
470p
4700p B
C1026
CXA8096R-TBM
IC1001
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
C1005
0.047u B
10k
R1016
R1012
0
B
470p
C1015
C1006
2.2u
F
XX
R1014
R1025
270
C1010
0.022u
B
1M
R1030
SC111319FTBEB
IC1002
1
2
3
4
5
6
7
8
9
1
01
11
21
31
41
51
6
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1500
R1018
39k
R1035
100k
R1019
2SD2216J-QR(K8).SO
Q1001
B
470p
C1014
0.1u
B
C1030
0.1u
B
C1025
C1004
0.047u
B
R1006
1
XX
C1038
R1007
1
L1001
10uH
0.1u
B
C1021
C1001
0.001u
B
XX
C1013
0.1u
B
C1019
XX
R1037
470p
B
C1018
XX
C1040
2SA2018H-T2L
Q1002
2.2
R1032
0.1u
B
C1024
A
6.3V
3.3u
C1029
82k
R1040
XX
R1015
C1002
0.001u
B
0.1u
B
C1032
R1039
10k
1
R1022
R1003
4700
XX
R1020
R1011
18k
4700
R1017
XX
R1013
XX
C1039
R1005
15k
22k
R1021
R1010
2200
3300
R1034
0.1u
B
C1031
1
R1023
0
R1041
0
R1042
33
R903
CL920
27P
CN937
1
CAP_V
2
CAP_V
3
CAP_V
4
CAP_V
5
UHE-
6
HE_VCC
7
UHE+
8
VHE+
9
WHE+
10
HE_GND
11
CAP_W
12
CAP_W
13
CAP_W
14
CAP_W
15
WHE-
16
VHE-
17
CAP_U
18
CAP_U
19
CAP_U
20
CAP_U
21
N.C.
22
FG1
23
FG_VCC
24
FG_VCC
25
FG2
26
FG_GND
27
FG_GND
10P
CN934
1
PG
2
FG
3
PG/FG COM
4
M COM
5
DRUM_U
6
DRUM_U
7
DRUM_V
8
DRUM_V
9
DRUM_W
10
DRUM_W
4.7uH
L901
CL918
27P
10P
CN936
1
LM_LOAD
2
LM_LOAD
3
LM_UNLOAD
4
LM_UNLOAD
5
DEW+
6
DEW
-
7
MODE_SW_A
8
MODE_SW_B
9
MODE_SW_C
10
SW_COM/SW_GND
11
XCCDOWN_SW
12
T
A
PE_LED_K
13
T
A
PE_LED_A
14
MIC/REC_SW_GND
15
XREC_PROOF
16
CHIME_SCK
17
CHIME_SDA
18
CHIME_VDD
19
HALL_VCC
20
TREEL+
21
TREEL-
22
HALL_GND
23
SREEL-
24
SREEL+
25
T
A
PE_END
26
TOP/END_GND
27
T
A
PE_TOP
CL919
33
R904
DRUM_VS
0.1u
B
C1033
0.1u
B
C1035
0.22u
B
C1036
0.1u
B
C1037
100k
R1027
100k
R1028
CHIME_VDD
CHIME_SCK
MODE_SW_A
XCC_DOWN
MODE_SW_C
MODE_SW_B
CHIME_SDA
1
A
REC_PROOF_SW
DEW_AD
UNLOAD
LOAD
LM_LIM_ON
UNLOAD
LOAD
LM_LIM_ON
LM_LIM_DET
FG_PG_COM
T_REEL_-
S_REEL_-
DRUM_ON
DRUM_FWD
DRUM_START
DRUM_ON
DRUM_PG
DRUM_FG
LM_-
LM_+
DRUM_FWD
HE_VCC
WHE+
VHE-
UHE+
VHE+
UHE-
WHE-
CAP_VS
LM_LIM_DET
DRUM_PG
DRUM_FG
DRUM_W
DRUM_V
DRUM_U
DRUM_COM
DRUM_FG_SENS
CAP_U
CAP_W
DRUM_START
DRUM_PG_SENS
TAPE_TOP_C
TAPE_END_C
DRUM_VS
DRUM_ERROR
CAP_ERROR
LM_+
WHE-
CAP_U
T
A
PE_END_C
T
A
PE_TOP_C
VHE-
S_REEL_-
CAP_V
DRUM_W
UHE-
HE_VCC
DEW_AD
CAP_W
DRUM_PG_SENS
DRUM_FG_SENS
FG_PG_COM
LM_-
CHIME_VDD
DRUM_COM
DRUM_U
DRUM_V
MODE_SW_A
MODE_SW_B
MODE_SW_C
REC_PROOF_SW
XCC_DOWN
CHIME_SCK
UHE+
VHE+
WHE+
DRUM_ERROR
CAP_ERROR
CAP_V
CAP_VS
T_REEL_-
CHIME_SDA
CHIME_VDD
DEW_AD
MODE_SW_B
MODE_SW_C
REC_PROOF_SW
XCC_DOWN
CHIME_SDA
CHIME_SCK
MODE_SW_A
DRUM_VS
VOUT
RCC
OFFSET_ADJ
HV+
VS
AGC
VCC2
PSA
VEB
GND
C1L
C1H
HU+
C2H
FG-
VCC1
C2L
VS
VMR
VG
HW-
HU-
UOUT
WOUT
P_GND
VH
FG_OUT
P_GND
HV-
FRC
N.C.
FG+
HW+
VREF
RLM2
VCC1
U IN
AGC
FRC
VCC2
PG OUT1
TOP IN
FG IN
LIM OUT
CSLP2
RSB
DBOUT
VM
PG IN
END IN
FG IN2
RF
LIMEN
CSLP1
OUT1
N.C.
RLM1
DBIN
TOP OUT
W IN
END OUT
RLDO1
STBY D
OUT2
GND
VS
RS
ISNF
RLP1
CBLOUT
SELSLP1
V OUT
N.C.
RLO1
RFL
RSAT
SELSLP2
DEC1
CBEN
GND
CBOUT
OSC
V IN
FGOUT
FC
DEC2
RLO2
PG OUT2
RLP2
CBIN
XBRAKE
U OUT
COM
FILTER
W OUT
RLDO2
PGC
FG/PG
M901
DRUM MOTOR
FG
HALL
M902
CAPSTAN MOTOR
J-MECHANISM(2/2)
49
TO(8/13)
48
TO(6/13)
44
TO(6/13)
47
TO(12/13)
DRUM/CAPSTAN MOTOR DRIVE(MD BLOCK)
XX MARK:NO MOUNT
VC-275 BOARD(7/13)
HALL VCC SW
TAP LED DRIVE
IC1001
DRUM MOTOR DRIVE
CAPSTAN MOTOR DRIVE
IC1002
TO(6/13)
43
TO(1/13)
4
K
D
J
9
6
F
12
3
B
10
14
13
E
8
L
7
H
15
5
I
4
G
11
C
2
Drum servo (speed and phase)
REC
Drum speed servo
Capstan servo (speed and phase)
Capstan speed servo
SIGNAL PATH
REC/PB
PB
Drum phase servo
16
M
N
1
LM_LOAD
2
LM_LOAD
3
LM_UNLOAD
4
LM_UNLOAD
5
DEW+
6
DEW-
7
MODE A
8
MODE B
9
MODE C
10
SW_COM/SW_GND
S903
D901
4P
CN901
S901
(CC DOWN)
(TAPE LED)
M
M903
LOADING
MOTOR
S902
MODE
SWITCH
FLEXIBLE
FP-100
Vcc
-
+
G
-
Vcc
G
+
H902
T REEL
SENSOR
H901
S REEL
SENSOR
Q902
TAPE TOP
SENSOR
Q901
TAPE END
SENSOR
(REC PROOF)
FP-102
FLEXIBLE
DEW
SENSOR
FP-228
FLEXIBLE
Summary of Contents for GV-D1000E - Digital Video Cassette Recorder
Page 55: ...Schematic diagram of the MS 95 board are not shown Pages from 4 43 to 4 52 are not shown ...
Page 66: ...Printed wiring board of the MS 95 board are not shown Pages from 4 71 to 4 72 are not shown ...
Page 70: ...Waveforms of the MS 95 board are not shown Page 4 76 is not shown ...
Page 74: ...Mounted parts location of the MS 95 board is not shown Page 4 80 is not shown ...
Page 75: ...5 1 GV D1000 D1000E SECTION 5 ADJUSTMENTS COVER COVER ...