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DCR-PC8E
COVER
COVER
4-2. SCHEMATIC DIAGRAMS
VC-265D BOARD SIDE A VC-265D BOARD SIDE B
4-2. SCHEMATIC DIAGRAMS
VC-265D BOARD SIDE A VC-265D BOARD SIDE B
4-39
4-40
VC-265D (11/16)
For Schematic Diagram
• Refer to page 4-65 for printed wiring board.
• Refer to page 4-73 for waveforms.
• Refer to page 4-65 for printed wiring board.
• Refer to page 4-73 for waveforms.
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
R :REC MODE
P :PB MODE
41
42
44
43
2.8
2.7
0.6
0.8
0.8
1.4
0.3
1.4
1.4
2.7
0.6
0.5
0.5
0.1
0.1
0.3
1.4
0.3
1.4
2.8
2.8
11.6
2.8
45
:Voltage measurment of the CSP IC
and the Transistors with mark,is
not possible.
and the Transistors with mark,is
not possible.
2.8
0.4
0.4
0.4
1
R506
1
R507
3300
R511
68k
R512
270
R525
4700
R503
68k
R504
18k
R509
15k
R505
10k
R502
2200
R508
R510
0
10k
R501
UNLOAD
LM_LIM_ON
LOAD
LM_LIM_DET
DRUM_PWM
CAP_PWM
DRUM_ON
4700
R517
D_2.8V
VTR_UNREG
REG_GND
MT_4.8V
DRUM_VS
CAP_ERROR
DRUM_ERROR
TAPE_TOP
TAPE_END
MT_GND
DRUM_START
TREEL_FG
SREEL_FG
1
R522
1
R523
1
R524
10k
R516
XREEL_HALL_ON
DRUM_PG
TAPE_LED_ON
DRUM_FG
DRUM_FWD
B
470p
C519
B
470p
C515
B
470p
C518
100k
R519
10V
3.3u
C529
2SA2018H-T2L
Q502
22k
R521
10uH
L501
R520
XX
1500
R518
EC3201C-PM-TL
Q501
LB11950GL-TBM
IC501
FGOUT
1
GND
2
RSAT
3
FC
4
FILTER
5
FRC
6
BRAKE
7
VCC1
8
CSLP2
9
CSLP1
10
VS
11
SELSLP2
12
SELSLP1
13
OSC
14
RF
15
STBY D
16
AGC
17
COM
18
U IN
19
U OUT
20
V IN
21
V OUT
22
W IN
23
W OUT
24
DEC2
25
DEC1
26
RS
27
OUT1
28
RFL
29
OUT2
30
LIMEN
31
LIM OUT
32
NC
33
END OUT
34
END IN
35
TOP IN
36
TOP OUT
37
VM
38
VCC2
39
RLDO2
40
RLO2
41
RLM2
42
RLP2
43
GND
44
RLP1
45
RLM1
46
RLO1
47
RLDO1
48
RSB
49
NC
50
ISNF
51
DBOUT
52
DBIN
53
CBLOUT
54
CBOUT
55
CBIN
56
CBEN
57
PG OUT2
58
PG OUT1
59
PGC
60
PG IN
61
VREF
62
FG IN
63
FG IN2
64
NC
65
NC
66
NC
67
NC
68
SC111319FTBEB
IC502
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
100k
R527
0.22u
B
C536
CAP_VS
PANEL/EVF_13.5V
0.1u
B
C531
100k
R528
CAP_FG
100k
R526
39k
R534
0.1u
B
C537
CFG_DUTY
0.1u
B
C533
2.2
R531
0.1u
B
C534
10uH
L502
CAP_FWD
2.2
R532
0.1u
B
C535
2.2
R530
3300
R533
1M
R529
FFREW_UP
CL504
CL505
CL501
CL502
CL503
R536
0
R537
0
XX
R538
2.2u
F
C506
0.1u
B
C507
0.047u
B
C504
0.022u
B
C508
0.1u
F
C513
0.001u
B
C501
0.001u
B
C502
0.047u
B
C505
XX
C511
6800p
B
C503
0.1u
B
C524
1u
B
C514
0.1u
B
C525
470p
B
C516
0.1u
B
C522
0.1u
B
C520
0.047u
B
C528
0.1u
B
C521
4700p
B
C526
0.1u
B
C523
0.1u
B
C517
4700p
B
C527
0.1u
B
C530
6800p
B
C510
XX
C512
B
0.022u
C509
0.1u
B
C532
XX
C538
27P
CN009
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
27P
CN008
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
10P
CN010
1
2
3
4
5
6
7
8
9
10
33
R030
33
R031
CHIME_VDD
REC_PROOF_SW
CHIME_SCK
CHIME_SDA
4.7uH
L001
XCC_DOWN
DEW_AD
MODE_SW_B
MODE_SW_A
MODE_SW_C
CAP_ON
1
A
M902
M901
UNLOAD
LOAD
LM_LIM_ON
LM_LIM_DET
FG_PG_COM
TAPE_TOP_C
TAPE_END_C
T_REEL_-
T_REEL_+
S_REEL_+
S_REEL_-
DRUM_FWD
DRUM_START
DRUM_ON
DRUM_PG
DRUM_FG
TAPE_LED_ON
XREEL_HALL_ON
DRUM_FWD
DRUM_COM
DRUM_FG_SENS
DRUM_PG_SENS
DRUM_U
DRUM_V
DRUM_W
UNLOAD
LOAD
LM_+
LM_-
LM_LIM_ON
LM_LIM_DET
DRUM_FG
DRUM_PG
DRUM_ON
T_REEL_-
T_REEL_+
DRUM_V
CHIME_SDA
DRUM_W
CHIME_SCK
REC_PROOF_SW
CHIME_VDD
DRUM_U
FG_PG_COM
DRUM_FG_SENS
XCC_DOWN
DRUM_PG_SENS
MODE_SW_C
T
APE_TOP_C
MODE_SW_B
MODE_SW_A
DEW_AD
DRUM_COM
LM_-
LM_+
T
APE_END_C
S_REEL_+
S_REEL_-
TAPE_LED_ON
CHIME_SCK
REC_PROOF_SW
CHIME_SDA
XCC_DOWN
DEW_AD
MODE_SW_C
MODE_SW_B
MODE_SW_A
DRUM_START
XREEL_HALL_ON
CHIME_VDD
C2H
FG_OUT
UOUT
GND
VMR
FG+
VS
VOUT
FG-
P_GND
WOUT
C1L
VG
HW+
AGC
RCC
VCC1
HV-
C1H
P_GND
HW-
VCC2
C2L
FRC
OFFSET_ADJ
HU+
VH
HU-
PSA
VEB
VS
NC
HV+
CHIME_VDD
HE_GND
CAP_U
HALL_GND
CAP_V
DEW
-
FG1
HALL_VCC
LM_UNLOAD
CHIME_SDA
CAP_V
FG2
XMODE_SW_B
LM_LOAD
DRUM_U
FG_VCC
UHE+
MIC/REC_SW_GND
TREEL-
CAP_W
CAP_W
PG
DEW+
CAP_V
LM_UNLOAD
WHE+
FG/PG_COM
DRUM_V
VHE+
XREC_PROOF
FG_VCC
TOP/END_GND
WHE-
N.C.
CHIME_SCK
SREEL-
T
APE_LED_K
CAP_W
T
APE_END
DRUM_U
HE_VCC
CAP_U
TREEL+
T
APE_LED_A
SW_COM/SW_GND
FG_GND
XMODE_SW_C
CAP_W
CAP_U
T
APE_TOP
CAP_U
SREEL+
LM_LOAD
DRUM_V
FG_GND
XMODE_SW_A
XCCDOWN_SW
DRUM_W
FG
CAP_V
VHE-
M_COM
UHE-
DRUM_W
SIGNAL PATH
REC
Drum phase servo
Drum servo (speed and phase)
Capstan speed servo
Drum speed servo
REC/PB
PB
Capstan servo (speed and phase)
(14/16)
(15/16)
(10/16)
(14/16)
(10/16)
(10/16)
(6/16)
(10/16)
(9/16)
(10/16)
(10/16)
DRUM MOTOR DRIVE,DRUM FG/PG AMP
LOADING MOTOR DRIVE,
REEL FG AMP,TAPE TOP/END DET,
DRUM/CAP ERROR AMP
IC501
IC502
CAPSTAN MOTOR DRIVE
CAP FG AMP
(SALVIA)
VC-265D BOARD(11/16)
DRUM/CAPSTAN MOTOR DRIVE(MD BLOCK)
XX MARK:NO MOUNT
16
8
F
14
G
19
D
2
18
3
15
10
J
12
E
16
17
13
6
5
11
9
7
B
H
I
K
C
4
LED DRIVE
SWITCH
(12/16,14/16)
DRUM MOTOR
HALL
TO MECHANISM BLOCK
CAPSTAN MOTOR
FG
J-MECHANISM(2/2)
FG/PG
(PAGE 4-18)
L
CSP(CHIP SIZE PACKAGE)IC
106
99
109
110
112
28
65
114
111
108
107
113
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