Read Sony DCR-PC350 / DCR-PC350E Service Manual online
DCR-PC350/PC350E
4-2. SCHEMATIC DIAGRAMS
VC-370 BOARD SIDE A
VC-370 BOARD SIDE B
4-2. SCHEMATIC DIAGRAMS
VC-370 BOARD SIDE A
VC-370 BOARD SIDE B
4-51
4-52
VC-370 (11/17)
:Voltage measurement of the CSP IC
and the Transistors with mark, is
not possible.
not possible.
0
2.8
2.6
0.5
4.0
NO MARK:REC/PB MODE
2.8
2.3
4.8
0.9
0.8
8.3
13.5
10k
R2523
B
470p
C2533
0.1u
B
C2532
10V
B
470p
C2531
0.1u
B
C2508
470p
B
C2540
50V
B
470p
C2536
CAP_PWM
DRUM_VS
1u
10V
B
C2522
DRUM_PWM
MT_5V
0.1u
B
C2539
10V
IC2501_13.5V
LM_LIM_DET
0.1u
B
C2530
10V
0.1u
B
C2535
10V
0.1u
B
C2523
10V
LOAD
B
C2537
6.3V
1u
CAP_VS
UNLOAD
0.001u
B
C2502
50V
6800p
B
C2542
16V
0.1u
B
C2515
10V
0.001u
B
C2503
50V
0.047u B
C2505
0.022u
B
C2528
16V
VTR_UNREG
R2525
15k
0.047u
B
C2506
6800p
B
C2543
D_2.8V
0.1u
B
C2521
10V
DRUM_FG
DRUM_PG
XRST_VTR
XVSP_SCK
VSP_SO
XCS_IC2501
0.01u
B
C2524
16V
0.1u
B
C2541
16V
0.047u
B
C2529
10V
SPCK
1u
B
C2527
6.3V
2200
R2526
0.01u
B
C2507
0.01u
B 16V
C2509
0.01u
B
16V
C2510
0
R2507
0
R2506
XX
C2516
XX
C2520
XX
R2518
R2521
XX
0
R2519
0
R2520
0
R2516
0
R2522
2SC5658T2LQ/R
Q2502
XREEL_HALL_ON
100k
R2529
TAPE_LED_ON
4700
R2527
22k
R2528
270
R2515
33
R2502
33
R2503
10P
CN2501
1
2
3
4
5
6
7
8
9
10
27P
CN2503
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
10uH
L2501
27P
CN2502
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
REG_GND
0.1u
C2501
TB6550XBG(EB)
IC2501
1
C_FRC
2
TEST
3
VMR
4
CFGOUT
5
C_PGND
6
GND
7
CFGIN+
8
CFGIN-
9
CAGC
10
U+
11
U-
12
V+
13
V-
14
W+
15
W-
16
VCC1
17
VH
18
TOPIN
19
TOPOUT
20
ENDIN
21
ENDOUT
22
RLP1
23
RLM1
24
RLO1
25
RLDO1
26
RLP2
27
RLM2
28
RLO2
29
RLDO2
30
VCC2
31
LIMOUT
32
DEC1
33
DEC2
34
XRESET
35
MCK
36
SCK
37
XCS
38
SI
39
DGND
40
CSR
41
CBIN
42
CBOUT
43
CBLOUT
44
DBIN
45
DBOUT
46
ISNF
47
VG
48
PGC
49
PGIN
50
PGOUT
51
VREF
52
DFGIN
53
DFGOUT
54
DFC
55
DFILTER
56
UIN
57
VIN
58
WIN
59
COM
60
D_PGND
61
NC
62
NC
63
D_U
64
D_VS
65
D_V
66
NC
67
D_VS
68
D_W
69
L_OUT1
70
L_VM
71
NC
72
L_OUT2
73
L_PGND
74
C_U
75
C_VS
76
C_V
77
C_VS
78
C_W
79
NC
80
CAP_ON
81
D_PGND(M)
82
D_U(M)
83
D_U(M)
84
D_VS1(M)
85
D_V(M)
86
D_VS2(M)
87
D_W(M)
88
L_OUT(M)
89
L_VM(M)
90
L_OUT2(M)
91
L_PGND(M)
92
C_U(M)
93
C_VS1(M)
94
C_V(M)
95
C_VS2(M)
96
C_W(M)
2SA2030T2L
Q2501
1k
R2530
0.1u
B
C2511
10V
0.1u
B
C2513
10V
0.1u
B
C2518
10V
2.2
R2511
2.2
R2510
2.2
R2512
10k
R2508
10k
R2509
1u
B
C2504
SREEL_FG
TREEL_FG
TAPE_END
TAPE_TOP
MODE_SW_C
MODE_SW_A
MODE_SW_B
CAP_FWD
CAP_FG
CAP_ON
DEW_AD
CHIME_SCK
CHIME_VDD
CHIME_SDA
DRUM_ERROR
CAP_ERROR
1
A
REC_PROOF
XCC_DOWN
CH
C2544
22P
C2517
XX
C2519
XX
B
C2545
0.1u
R2514
47k
R2532
1k
MT_GND
FB2501
0uH
WHE+
VHE-
UHE+
VHE+
UHE-
WHE-
FG2
MR_VCC
TAPE_TOP
TAPE_END
CAP_FWD
DRUM_FG_SENS
CAP_FG
FG1
HE_VCC
DRUM_PG_SENS
TREEL_FG
CAP_ERROR
DRUM_ERROR
SENSOR_VCC
FG2
MR_VCC
CAP_U
CAP_V
FG1
WHE-
CAP_W
MODE_SW_B
MODE_SW_C
MODE_SW_A
DRUM_FG_SENS
DRUM_PG_SENS
FG_PG_COM
DRUM_COM
DRUM_U
DRUM_W
DRUM_V
DEW_AD
TAPE_LED_K
TAPE_LED_A
TAPE_END_C
S_REEL_+
S_REEL_-
T_REEL_-
SENSOR_VCC
T_REEL_+
UHE+
UHE-
VHE+
VHE-
WHE+
HE_VCC
LM_+
LM_-
TAPE_LED_A
SREEL_FG
DRUM_U
DRUM_V
DRUM_W
LM_+
LM_-
TAPE_LED_K
CAP_U
CAP_V
CAP_W
CAP_ON
DRUM_COM
TAPE_END_C
FG_PG_COM
TREEL_FG
SREEL_FG
TAPE_TOP
TAPE_END
MODE_SW_B
MODE_SW_C
MODE_SW_A
CAP_FWD
CAP_FG
CAP_ON
DEW_AD
CHIME_VDD
CHIME_SCK
REC_PROOF
XCC_DOWN
CHIME_VDD
CHIME_SDA
CHIME_SCK
XCC_DOWN
REC_PROOF
DRUM_ERROR
CAP_ERROR
CHIME_SDA
S_REEL_+
S_REEL_-
T_REEL_-
T_REEL_+
FG_GND
TAPE_TOP
M_COM
CAP_W
XMODE_SW_A
XREC_PROOF
WHE+
CHIME_SDA
PG
SW_COM/SW_GND
SREEL+
CAP_W
CAP_U
CAP_V
LM_LOAD
HALL_GND
HE_VCC
DRUM_U
TREEL-
CAP_W
TAPE_LED_A
DRUM_U
CHIME_SCK
CAP_V
VHE-
DRUM_W
LM_UNLOAD
UHE+
TOP/END_GND
SREEL-
CAP_U
XMODE_SW_C
DRUM_V
HE_GND
DRUM_V
CAP_V
CAP_V
XCCDOWN_SW
FG2
TAPE_LED_K
UHE-
N.C.
DEW+
FG
XMODE_SW_B
FG_GND
CAP_W
CHIME_VDD
CAP_U
LM_LOAD
FG1
DEW-
DRUM_W
FG/PG_COM
FG_VCC
HALL_VCC
LM_UNLOAD
TREEL+
TAPE_END
FG_VCC
VHE+
CAP_U
MIC/REC_SW_GND
WHE-
M903
CAPSTAN
MOTOR
CAPSTAN
MOTOR
TO
MECHANISM
BLOCK
MECHANISM
BLOCK
FG
HALL
PG/FG
M901
DRUM MOTOR
DRUM MOTOR
LED DRIVE
SWITCH
DRUM/CAPSTAN/LOADING DRIVE(MD BLOCK)
XX MARK:NO MOUNT
VC-370 BOARD(11/17)
16
10
G
H
5
13
L
6
E
3
8
B
12
D
C
9
2
4
7
J
I
17
16
F
K
11
15
14
Drum phase servo
Drum speed servo
Drum servo (speed and phase)
REC
PB
Capstan servo (speed and phase)
Capstan speed servo
SIGNAL PATH
REC/PB
(PAGE 4-28
of LEVEL2)
CSP(CHIP SIZE PACKAGE)IC
Z-MECHANISM(2/2)
@62
(17/17)
(5/17)
@38
(13/17)
@63
(2/17,3/17,4/17)
@13
@47
(7/17,12/17,14/17)
(7/17,12/17,16/17)
@64
(12/17)
IC2501
DRUM/CAPSTAN/LOADING DRIVE
@04
For Schematic Diagram
• Refer to page 4-89 for printed wiring board.
• Refer to page 4-89 for printed wiring board.
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