DOWNLOAD Sony DCR-TRV22 / DCR-TRV22E Service Manual ↓ Size: 5.96 MB | Pages: 32 in PDF or view online for FREE

Model
DCR-TRV22 DCR-TRV22E
Pages
32
Size
5.96 MB
Type
PDF
Document
Service Manual
Brand
Device
Movie / LEVEL 3
File
dcr-trv22-dcr-trv22e.pdf
Date
PREV: Sony SPK-DVF5 Service Manual

Sony DCR-TRV22 / DCR-TRV22E Service Manual ▷ View online

DCR-TRV22/TRV22E
COVER
COVER
4-51
4-52
VC-312 (8/14)
For Schematic Diagram
• Refer to page 4-85 for printed wiring board.
4-2. SCHEMATIC DIAGRAMS
VC-312 BOARD SIDE A
VC-312 BOARD SIDE B
4-2. SCHEMATIC DIAGRAMS
VC-312 BOARD SIDE A
VC-312 BOARD SIDE B
:Voltage measurement of the CSP IC
and the Transistors with     mark,is
not possible.
2.8
1.0
3.1
NO MARK:REC/PB MODE
1u
B
C2208
0.01u
B
C2201
ALE
D30A06
D26A02
0.1u
B
C2205
LPS
XRST_PHY
C2203
XX
IC2201_SLEEP
XRST_LINK
D27A03
D28A04
220p
CH
C2209
FB2201
0uH
±
0.5%
12k
R2205
SN104266BGGM-TEB
IC2201
1
AVS
2
AVD3
3
AVS
4
TPBIAS
5
AVD3
6
TPB-
7
TPB+
8
TPA-
9
TPA+
10
R0
11
R1
12
AVD3
13
AVD3
14
AVS
15
VDD2
16
VDD3
17
PWD
18
XRESETP
19
CNA
20
VSS
21
XRESETL
22
VDD2
23
XINT
24
ALE
25
XRW
26
XRD
27
XCS
28
VSS
29
DA0
30
DA1
31
DA2
32
DA3
33
VDD
34
DA4
35
DA5
36
DA6
37
DA7
38
VSS
39
XDIR
40
XIACC
41
VDD2
42
ID3
43
ID2
44
ID1
45
ID0
46
VSS
47
ICLK
48
VSS
49
XINEN
50
FR
51
OFR
52
IFCLEAR
53
VDD3
54
TEST0
55
TEST1
56
TEST2
57
TEST3
58
TEST4
59
TEST5
60
TEST6
61
TEST7
62
VDD3
63
VSS
64
TMP0
65
TMP1
66
TMP2
67
TMP3
68
LPS
69
TM0
70
TM1
71
VDD2
72
VSS
73
ENEC
74
AV
D
3
75
PLLFL
T
76
AV
S
77
VDD3
78
VSS
79
XI
80
XO
D29A05
D24A00
D_1.9V
D_2.8V
XCS_IC2201
OFR
XDVCN
REG_GND
D25A01
±
0.5%
R2204
12k
D31A07
FB2202
0uH
RDX
WRX
XACC
XENA
DIR
FCLR
FRL
LBUS3
LBUS2
LBUS1
LBUS0
TRCKO
5100
R2206
±
0.5%
RB2201
56X4
B
0.01u
C2204
LCKO
4.7u
B
C2202
A_2.8V
XX
L2201
10uH
L2202
USB_3.1V
USB_D+
0uH
FB1002
1500
R1020
USB_DET
USB_3.1V_IC
AV_JACK_IN
XUSB_D+PULLUP
AUDIO_L_I/O
USB_D-
XX
C1001
16P
CN1001
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
AUDIO_R_I/O
VIDEO_I/O
DTA144EMT2
Q1004
1
A
XACC
XDVCN
XRST_PHY
IC2201_SLEEP
LPS
XRST_LINK
LBUS3
LBUS2
LBUS1
LBUS0
XENA
FRL
OFR
DIR
XRST_LINK
ALE
XCS_IC2201
RDX
WRX
D25A01
D24A00
D31A07
D30A06
D29A05
D28A04
D27A03
D26A02
ALE
XCS_IC2201
D24A00
D25A01
D26A02
D27A03
D28A04
D29A05
D30A06
D31A07
XDVCN
IC2201_SLEEP
LPS
OFR
FCLR
XRST_PHY
WRX
RDX
LBUS1
FRL
LBUS2
LBUS3
LBUS0
XACC
DIR
FCLR
XENA
AUDIO_R_I/O
AUDIO_L_I/O
REG_GND
TPB
AV_JACK_IN
TPA
REG_GND
REG_GND
USB_D-
REG_GND
USB_DET
NTPA
VIDEO_I/O
REG_GND
USB_D+
NTPB
43
(7/14)
43
(12/14)
49
(14/14)
(12/14)
50
45
(7/14)
(3/14)
20
DV INTERFACE
IC2201
CSP(CHIP SIZE PACKAGE)IC
SWITCH
(10/14)
51
(13/14)
52
JK-242 BOARD
CN5303
 THROUGH
THE FP-625
 FLEXIBLE
17
(3/14)
(5/14)
36
17
(5/14)
VC-312 BOARD(8/14)
DV INTERFACE(DV BLOCK)
XX MARK:NO MOUNT
16
Y
VIDEO SIGNAL
PB
AUDIO
Y/CHROMA
REC
SIGNAL PATH
SIGNAL
CHROMA
(PAGE 4-28 of LEVEL 2)
9
G
E
8
15
F
5
C
14
3
7
11
4
13
2
B
6
10
12
D
H
DCR-TRV22/TRV22E
COVER
COVER
4-53
4-54
VC-312 (9/14)
For Schematic Diagram
• Refer to page 4-85 for printed wiring board.
4-2. SCHEMATIC DIAGRAMS
VC-312 BOARD SIDE A
VC-312 BOARD SIDE B
4-2. SCHEMATIC DIAGRAMS
VC-312 BOARD SIDE A
VC-312 BOARD SIDE B
R4.1/P2.6
2.6
4.6
R2.4/P0.6
R3.1/P2.1
R3.1/P2.1
0.9
R1.0/P2.1
1.1
P1.7
R0.1
P0
R2.2
P0.1
R0.5
P0
R2.2
P0.1
R0.4
P0
R1.2
2.3
2.3
1.4
4.6
4.6
P1.7
R2.9
R2.7
P1.7
R2.7
P1.7
R2.9
P1.7
R2.9
P1.7
R2.7
P1.7
R2.7
P1.7
R2.9
P1.7
R1.3/P0
R2.8/P0
1.4
2.8
R2.7/P0
2.8
R2.7/P0
2.8
R1.2/P0
0
2.8
23
24
25
22
21
NO MARK:REC/PB MODE
    R  :REC MODE
    P  :PB MODE
2.8
0
0.1
2.6
1.4
2.8
1.5
1.3
1.5
0.9
0.9
1.1
CXA3619R-T4
IC1801
123456789
1
0
1
1
1
2
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
±
0.5%
22k
R1812
XX
R1809
±
0.5%
220
R1814
±
0.5%
220
R1813
±
0.5%
220
R1815
±
0.5%
220
R1816
B
0.1u
C1812
B
0.1u
C1811
10uH
L1802
0.01u
B
C1804
±
0.5%
10k
R1810
XX
R1811
6.3V
10u
C1801
TA A
0.01u
C1814
RP_4.6V
RP_2.8V
RF_SWP
0.01u
B
C1809
6.3V
10u
C1803
TA A
10uH
L1801
REG_GND
RECCK
RECA2
RECDT
RECA1
SW_PS
10k
R1808
±
0.5%
22k
R1807
0.01u
B
C1810
0.01u
B
C1813
0.01u
C1815
0.47u
B
C1805
ALL_PS
R1803
XX
R1804
XX
R1806
XX
R1805
XX
0.01u
B
C1802
RFIN
0.47u
B
C1808
0.01u
B
C1807
0.01u
B
C1806
RF_MON
SWP
R1818
XX
R1819
XX
10P
CN1801
1
2
3
4
5
6
7
8
9
10
A_2.8V
HALL_GAIN
CAM_SCK
CL1701
ZOOM_MIC_CONT
DA_STRB
FB1701
0uH
IC1701
BH2223FV-E2
1
AO2
2
AO3
3
AO4
4
AO5
5
AO6
6
AO7
7
AO8
8
AO9
9
VCC
10
AO10
11
NC
12
LD
13
CLK
14
DI
15
AO1
16
GND
B
4.7u
C1701
HALL_REF
FREQ_TUNE
CAM_SO
HALL_OFFSET
1
A
RECA1
RECA1
RECA2
RECCK
RECDT
RECA2
RECCK
RECDT
HALL_GAIN
HALL_REF
HALL_REF
HALL_OFFSET
HALL_GAIN
HALL_OFFSET
GND
D1E
XE
YE
D2E
GND
GND
D2O
YO
XO
D1O
GND
XME/MP
VCC_HEAD
REC_PEAK_T
REC_PEAK_I_MP
REC_PEAK_I_ME
REC_IR_MP
REC_IR_ME
VCC_REC_4.6V
PB_IR
PB_FBDP
CE
CO
PB_X_OUT
GND
PB_Y_OUT
PB_RF_IN
VCC_PB_4.6V
TEST_OUT
GND
AGCTC_Ech
AGCTC_Och
AGC_EVR
PB_RF_OUT
LPF_f0
SW_PS
CTRL0
CTRL1
REC_A1
VCC_2.8V
REC_A2
MODE1
REC_CLK
MODE2
REC_DA
T
A
VCC_D2.8V
TEST
XSDL
YSDL
XODD
YEVEN
YODD
GND
XEVEN
GND
GND
GND
VIDEO HEAD
Z-MECHANISM
(1/2)
(7/14)
46
(12/14)
46
(14/14)
46
(2/14)
10
REC/PB AMP
IC1801
EVR
IC1701
(14/14)
53
54
(14/14)
47
(7/14)
(12/14)
55
5
(1/14)
VC-312 BOARD(9/14)
REC/PB AMP,EVR(RF,EVR BLOCK)
XX MARK:NO MOUNT
10
G
H
5
13
6
E
3
8
B
12
D
C
9
2
4
7
I
F
11
16
AUDIO
Y/CHROMA
Y
CHROMA
REC
SIGNAL PATH
PB
VIDEO SIGNAL
SIGNAL
PB
REC/PB
SIGNAL PATH
REC
Ref.signal
ODD
EVEN
DCR-TRV22/TRV22E
COVER
COVER
4-55
4-56
VC-312 (10/14)
For Schematic Diagram
• Refer to page 4-85 for printed wiring board.
4-2. SCHEMATIC DIAGRAMS
VC-312 BOARD SIDE A
VC-312 BOARD SIDE B
4-2. SCHEMATIC DIAGRAMS
VC-312 BOARD SIDE A
VC-312 BOARD SIDE B
4.6
0
0
0
0
R-0.8
P-1.0
R-0.8
P-1.0
2.8
2.8
0.8
4.6
1.9
1.6
1.3
1.3
4.6
R1.9/P0
0
1.6
2.0
0
2.8
2.3
2.6
0
2.1
P2.8
R0
2.4
0
4.6
P2.2
R2.7
0
P4.6
R0
0
2.8
0
2.8
2.8
4
3
2
7
6
8
9
10
1
5
NO MARK:REC/PB MODE
    R  :REC MODE
    P  :PB MODE
0
0
0
0
0
0
0
0
0
0
R0/P1.3
0
0
0
2.8
2.8
R2.8
P2.6
P0
R2.7
4.6
R3.5
P3.2
P2.6
R2.8
P2.8
R3.0
R3.6/P3.4
4.6
R1904
22k
±
0.5%
0.01u
B
C1918
C1922
4.7u
B
R1901
4700
22p
CH
C1923
RB1903
33x4
0.01u
B
C1914
ACC_CONT
XVIDEO_IN
XCS_IC1901
C1907
0.01u
B
S_Y_I/O
220u
5V
C1921
B
S_C_I/O
VIDEO_I/O
L1902
10uH
UP04501008S0
Q1903
6
2
1
3
5
4
VD_SCK
RB1904
33x4
100
R1902
IC1901_C_OUT
VD_SO
C1917
0.01u
B
C1903
0.033u
B
C1902
XX
RB1906
1Kx4
C1915
0.1u
B
IC1201_C_OUT
220u
5V
C1919
B
AN2225NFHQBA
IC1901
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
B
2.2u
C1916
IC1201_Y_OUT
1k
R1906
2200
R1911
C1911
1u
B
AGC_CONT
Q1902
DTA144EMT2
1k
R1908
C1906
1u B
C1904
0.22u
B
B
C1910
2.2u
4700
R1910
C1905
1u
B
A_4.6V
SDC_IN
C1913
1u
B
D_2.8V
220k
R1903
FB1901
0uH
B
2.2u
C1920
1k
R1907
C1912
4.7u
B
1k
R1909
B
2.2u
C1908
B
2.2u
C1909
10k
R1905
2SC5658T2L
Q1901
L1901
10uH
0.01u
B
C1901
4.7u
B
C2003
10k
R2003
RB2002
XX
AD7_C
1u
B
C2008
XX
R2006
ADCK27
REG_GND
LINE_Y_ON
0.1u
B
C2004
CLPVO
10uH
L2001
RB2001
XX
AD8_C
10uH
L2002
AK5431VT-E2
IC2001
1
XPD
2
N.C
3
VCOM
4
VRN
5
AIN
6
VRP
7
AVDD
8
AVSS
9
N.C
10
DVDD
11
DVSS
12
N.C
13
N.C
14
CK1
15
D9
16
D8
17
D7
18
D6
19
D5
20
D4
21
D3
22
D2
23
D1
24
D0
4.7u
B
C2002
680
R2004
AD5_C
AD4_C
AD6_C
10u
6.3V
C2001
A_2.8V
AD0_C
AD3_C
10k
R2002
XX
R2005
1u
B
C2005
AD1_C
0uH
FB2001
AD2_C
UP04601008S0
Q2001
3
5
4 6
2
1
AD9_C
0.1u
B
C2007
0.1u
B
C2006
470
R2001
VD_SO
VD_SCK
1
A
VD_SO
VD_SCK
XCS_IC1901
ACC_CONT
AGC_CONT
AGC_CONT
XCS_IC1901
VD_SO
VD_SCK
DR_V_OUT
DR_Y_OUT
DR_Y_OUT
DR_V_OUT
S_Y_I/O
S_C_I/O
S_Y_I/O
S_C_I/O
DR_C_OUT
DR_C_OUT
ACC_CONT
VD_SO
VD_SCK
C_GCA_CONT
AGC_VOUT
C_IN2
MAIN_VCC
C_IN3
D_GND
C_IN4
D_VCC
SI
XSCK
XCS
C_GND
SDC
DRV_C_OUT
C_VCC
Y_GND
Y_INV
DRV_Y_OUT
Y_VCC
V_GND
V_INV
DRV_V_OUT
V_VCC
IR_V_OUT
MM_TC2
4FSC_OUT
MM_TC3
XT
AL
PLL_VCC
EXT
AL
APC_FIL
BGT_OUT
PLL_GND
INPUT_C_OUT
VREF
INPUT_Y_OUT
IR
MAIN_GND1
Y_IN1
MAIN_GND2
SYNC_SEP_TC
Y_IN2
CLAMP_TC1
Y_IN3
CLAMP_TC2
Y_IN4
Y_GCA_CONT
C_IN1
Q1902,1903
  SWITCH
SWITCH
SWITCH
IC1901
VIDEO I/O
IC2001
A/D CONV
(3/14)
16
(8/14)
51
(14/14)
56
57
(12/14)
(4/14)
32
58
(14/14)
(3/14)
21
XX MARK:NO MOUNT
VIDEO I/O,A/D CONV.(I/O,A/D BLOCK)
VC-312 BOARD(10/14)
10
G
H
5
13
6
E
3
8
B
12
D
C
9
2
4
7
J
I
F
11
16
SIGNAL PATH
Y/CHROMA
PB
VIDEO SIGNAL
CHROMA
REC
Y
Ver 1.1  2003. 06
DCR-TRV22/TRV22E
COVER
COVER
4-57
4-58
VC-312 (11/14)
For Schematic Diagram
• Refer to page 4-85 for printed wiring board.
4-2. SCHEMATIC DIAGRAMS
VC-312 BOARD SIDE A
VC-312 BOARD SIDE B
4-2. SCHEMATIC DIAGRAMS
VC-312 BOARD SIDE A
VC-312 BOARD SIDE B
1.3
2.4
1.3
2.4
1.3
0.2
5.0
0.2
0.4
0.9
0.4
0.9
0.4
2.7
1.3
1.3
1.3
1.3
1.0
2.0
1.4
1.3
1.3
0.1
1.3
1.1
13.1
0
0.8
0.8
0.3
0.3
2.7
2.7
1.4
1.4
1.4
0.4
0.1
0.1
0.4
0.4
0.6
0.6
2.7
0.7
1.3
2.7
1.3
2.7
0.3
0.3
2.7
0.3
0.3
2.7
8.2
2.7
0
0
2.7
1.3
2.6
2.7
R1.1/P0.9
0.5
2.8
2.6
0.5
4.1
0
31
30
32
29
28
26
27
NO MARK:REC/PB MODE
    R  :REC MODE
    P  :PB MODE
2SC5658T2L
Q2502
2.2
R2512
22k
R2528
XX
C2514
0
R2520
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
LOAD
DRUM_VS
0.001u
B
C2502
50V
2.2
R2510
0.047u
B
C2506
10V
0.1u
B
C2508
C2534
XX
0.001u
B
C2503
50V
0
R2519
0.1u
B
C2521
10V
33
R2503
DRUM_FG
0.01u
B
C2507
0.1u
B
C2518
10V
TAPE_LED_ON
6800p
B
C2543
XX
C2517
0.047u
B
C2505
10V
LM_LIM_DET
100k
R2529
XX
C2538
2200
R2526
XX
C2512
XREEL_HALL_ON
XX
C2516
DRUM_PG
0.1u
C2501
10k
R2508
REG_GND
IC2501
TB6550FG(EB)
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
CAPON
XCS_IC2501
0.1u
B
C2530
XX
R2518
1u
B
C2527
XX
C2519
B
470p
C2533
SPCK
4700
R2527
10k
R2509
XVSP_SCK
0.1u
B
C2511
10V
R2525
15k
CAP_VS
0
R2506
EP_13.3V
2.2
R2511
CAP_PWM
33
R2502
2SA2030T2L
Q2501
0.1u
B
C2541
VTR_UNREG
B
470p
C2531
1u
C2504
6.3V
B
C2537
1u
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
0.1u
B
C2513
10V
B
470p
C2536
1u B
C2522
0.1u
B
C2523
XX
R2521
D_2.8V
0
R2507
10k
R2523
VSP_SO
270
R2515
UNLOAD
DRUM_PWM
XX
R2505
0
R2522
MT_5V
XX
C2520
4.7uH
L2501
0.01u
B
16V
C2510
MT_GND
2.2u
B
C2539
0.047u B
C2529
0.1u
B
C2535
0.022u
B
C2528
6800p
B
C2542
47k
R2514
0.1u
B
C2515
10V
10uH
L2502
0
R2516
0.1u
B
C2532
0.01u
B
C2524
16V
0.01u
B
16V
C2509
10P
CN2501
1
2
3
4
5
6
7
8
9
10
1k
R2530
470p
B
C2540
XX
R2517
CAP_FWD
CAP_ON
CAP_FG
TAPE_TOP
TAPE_END
SREEL_FG
TREEL_FG
MODE_SW_A
MODE_SW_B
DEW_AD
MODE_SW_C
XCC_DOWN
CHIME_SCK
CHIME_SDA
CHIME_VDD
REC_PROOF
DRUM_ERROR
CAP_ERROR
R2531
1K
C2544
XX
1
A
WHE+
VHE-
UHE+
VHE+
UHE-
CAP_V
CAP_U
WHE-
FG2
MR_VCC
TAPE_TOP
TAPE_END
CAP_W
CAP_FWD
DRUM_FG_SENS
DRUM_W
DRUM_U
CAP_FG
FG1
LM_+
LM_-
DRUM_PG_SENS
CAP_ON
S_REEL_-
SREEL_FG
T_REEL_+
T_REEL_-
TREEL_FG
CAP_ERROR
DRUM_ERROR
TAPE_LED_K
SENSOR_VCC
DRUM_COM
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
CHIME_VDD
CHIME_SDA
CHIME_SCK
TAPE_LED_K
TAPE_LED_A
S_REEL_+
S_REEL_-
T_REEL_-
SENSOR_VCC
T_REEL_+
UHE+
UHE-
VHE+
VHE-
WHE+
HE_VCC
LM_+
LM_-
REC_PROOF
DRUM_V
HE_VCC
T
APE_LED_A
FG_PG_COM
CAP_FG
CAP_ON
CAP_FWD
TAPE_END
TAPE_TOP
TREEL_FG
SREEL_FG
MODE_SW_B
MODE_SW_C
DEW_AD
MODE_SW_A
REC_PROOF
CHIME_SDA
CHIME_SCK
CHIME_VDD
TAPE_TOP_C
S_REEL_+
CAP_ERROR
DRUM_ERROR
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-
FG/PG
TO
MECHANISM
BLOCK
HALL
H
FG
M901
DRUM
MOTOR
M903
CAPSTAN
MOTOR
Z-MECHANISM
(2/2)
59
(14/14)
(5/14)
40
SWITCH
SWITCH
(12/14)
60
42
(12/14)
42
(7/14)
(13/14)
42
29
(3/14)
(1/14)
9
9
(7/14)
9
(12/14)
(14/14)
9
Drum speed servo
PB
REC
Drum phase servo
REC/PB
Capstan servo (speed and phase)
Drum servo (speed and phase)
SIGNAL PATH
Capstan speed servo
XX MARK:NO MOUNT
DRUM/CAPSTAN/LOADING DRIVE(MD BLOCK)
VC-312 BOARD(11/14)
IC2501
DRUM/CAPSTAN/LOADING
    MOTOR DRIVE
16
(PAGE 4-35 of LEVEL 2)
9
G
K
E
8
15
F
5
J
C
14
3
7
11
4
13
I
2
B
6
10
16
12
L
D
H
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