Sony DCR-TRV38 / DCR-TRV38E / DCR-TRV39 Service Manual ▷ View online
DCR-TRV38/TRV38E/TRV39
COVER
COVER
4-2. SCHEMATIC DIAGRAMS
VC-315 (-11) SIDE A
VC-315 (-11) SIDE B
VC-315 (-12) SIDE A
VC-315 (-12) SIDE B
4-2. SCHEMATIC DIAGRAMS
VC-315 (-11) SIDE A
VC-315 (-11) SIDE B
VC-315 (-12) SIDE A
VC-315 (-12) SIDE B
4-47
4-48
VC-315 (8/17)
For Schematic Diagram
• Refer to page 4-87 for printed wiring board.
• Refer to page 4-87 for printed wiring board.
IC3501
IC2201
63
(17/17)
(5/17)
38
64
(12/17)
(4/17)
31
62
(16/17)
60
(10/17)
(14/17)
61
58
(15/17)
57
(17/17)
51
(7/17)
51
(13/17)
59
(13/17)
(7/17)
53
(DCR-TRV38/TRV39)
(DCR-TRV38E)
(DCR-TRV38E)
:Voltage measurement of the CSP IC
and the Transistors with mark,is
not possible.
and the Transistors with mark,is
not possible.
2.7
0
1.3
1.3
1.3
1.3
1.4
1.4
0.9
0.7
1.4
1.3
1.3
1.3
1.3
1.3
0.9
0.7
NO MARK:REC/PB MODE
D_2.8V
TRCKO
LBUS2
D28A04
D25A01
OFR
XRST_PHY
D27A03
LPS
DIR
RB2201
56
WRX
D24A00
LBUS3
FRL
LBUS0
0.5%
12k
R2205
D_1.9V
D31A07
FCLR
RDX
220p
CH
C2209
XDVCN
±
0.5%
R2204
12k
LBUS1
4.7u
B
C2202
XCS_LIP
1u
B
C2208
A_2.8V
LIP_SLEEP
ALE
XRST_LINK
0.01u
B
C2201
FB2202
0uH
5100
R2206
±
0.5%
10uH
L2201
0.1u
B
C2205
B
0.01u
C2204
XENA
D26A02
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
A
VD3
75
PLLFL
T
76
AV
S
77
VDD3
78
VSS
79
XI
80
XO
XACC
REG_GND
D30A06
FB2201
0uH
LCKO
D29A05
C2203
XX
C3501
0.1u
B
RB3501
22k
0.047u
B
C3505
10u
6.3V
C3512
C3510
6.3V
10u
YAW_AD
VST_C_RESET
6.3V
10u
C3509
XX
C3513
4.7u
B
C3514
A
4V
22u
C3503
IC3501
*
*
1
P
ASS
2
OUT1
3
AM1
4
V
ref1
5
HO1
6
HI1
7
LO1
8
LIA1
9
LIB1
10
GND
11
LIB2
12
LIA2
13
LO2
14
HI2
15
HO2
16
V
ref2
17
AM2
18
OUT2
19
CRST
20
VCC
R3502
10k
R3501
1M
C3511
10u
6.3V
0.047u
B
C3507
PITCH_AD
C3502
0.1u
B
A
4V
22u
C3504
0.047u
B
C3508
XX
R3505
R3504
1M
10uH
L3501
R3503
10k
0.047u
C3506
B
CN1002
51P
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
VBUS
KEY_AD0
USB_D-
USB_D+
OTG_ID
XLANC_JACK_IN
S_Y_I/O
XS_JACK_IN
LANC_DC
AUDIO_R_I/O
EXT_MIC_L
S_C_I/O
HP_L_OUT
HP_R_OUT
HP_JACK_IN
AUDIO_L_I/O
AV_JACK_IN
EXT_MIC_R
1
A
VIDEO_I/O
LANC_SIG
XACC
XDVCN
XRST_PHY
LIP_SLEEP
LPS
XRST_LINK
LBUS3
LBUS2
LBUS1
LBUS0
XENA
FRL
OFR
DIR
XRST_LINK
ALE
XCS_LIP
RDX
WRX
D25A01
D24A00
D31A07
D30A06
D29A05
D28A04
D27A03
D26A02
ALE
XCS_LIP
D24A00
D25A01
D26A02
D27A03
D28A04
D29A05
D30A06
D31A07
XDVCN
LIP_SLEEP
LPS
OFR
FCLR
XRST_PHY
WRX
RDX
LBUS1
FRL
LBUS2
LBUS3
LBUS0
XACC
DIR
FCLR
XENA
VREF1
LIA2
VREF2
LIA1
EXT_MIC_L
XLANC_JACK_IN
OTG_ID
HP_JACK_IN
S_Y_I/O
USB_D+
HP_R_OUT
VREF1
AV_JACK_IN
AUDIO_L_I/O
LIA2
LIA1
VREF2
S_C_I/O
XS_JACK_IN
USB_D-
LANC_DC
LANC_SIG
KEY_AD0
AUDIO_R_I/O
HP_L_OUT
EXT_MIC_R
USB_D+
USB_D-
OTG_ID
KEY_AD0
EXT_MIC_L
AUDIO_R_I/O
AUDIO_L_I/O
XLANC_JACK_IN
VIDEO_I/O
S_Y_I/O
AV_JACK_IN
S_C_I/O
XS_JACK_IN
LANC_SIG
HP_JACK_IN
EXT_MIC_R
HP_L_OUT
LANC_DC
HP_R_OUT
VIDEO_I/O
REG_GND
EXT_MIC_L
TPB
HP_R_OUT
REG_GND
KEY_AD0
XS_JACK_IN
VIDEO_I/O
REG_GND
S_Y_I/O
EXT_MIC_R
HP_L_OUT
NTPB
MIC_GND
A_2.8V
REG_GND
REG_GND
LIA2
HP_JACK_IN
USB_D-
USB_D+
AUDIO_L_I/O
REG_GND
REG_GND
VREF1
VBUS
REG_GND
REG_GND
NTPA
LANC_DC
REG_GND
VREF2
AUDIO_R_I/O
REG_GND
OTG_ID
REG_GND
LIA1
TPA
LANC_DC
AV_JACK_IN
REG_GND
REG_GND
XLANC_JACK_IN
REG_GND
LANC_SIG
S_C_I/O
REG_GND
MIC_GND
Y/P SENSOR AMP
DV INTERFACE
CSP(CHIP SIZE PACKAGE)IC
TO
FP-639 FLEXIBLE
FP-639 FLEXIBLE
(PAGE 4-26
of LEVEL2)
of LEVEL2)
IC3501
NJM3230V(TE2)
uPC6756GR-8JG-E2
NJM3230V(TE2)
uPC6756GR-8JG-E2
DV INTERFACE
VC-315 BOARD(8/17)
XX MARK:NO MOUNT
9
G
E
8
15
F
5
J
C
14
3
7
11
4
13
I
2
B
6
10
12
D
H
Y/CHROMA
SIGNAL PATH
Y
VIDEO SIGNAL
PB
CHROMA
AUDIO
SIGNAL
REC
16
VBUS
VBUS
VBUS
±
DCR-TRV38/TRV38E/TRV39
COVER
COVER
4-2. SCHEMATIC DIAGRAMS
VC-315 (-11) SIDE A
VC-315 (-11) SIDE B
VC-315 (-12) SIDE A
VC-315 (-12) SIDE B
4-2. SCHEMATIC DIAGRAMS
VC-315 (-11) SIDE A
VC-315 (-11) SIDE B
VC-315 (-12) SIDE A
VC-315 (-12) SIDE B
4-49
4-50
VC-315 (9/17)
For Schematic Diagram
• Refer to page 4-87 for printed wiring board.
• Refer to page 4-87 for printed wiring board.
R4.0/P2.5
2.6
4.6
R2.4/P0.9
R3.1/P2.0
0.9
R1.0/P2.2
1.1
R3.1/P2.0
2.3
2.3
1.4
R0.1/P1.7
4.6
R2.3/P0
R2.3/P0
R1.2/P0
4.6
R2.9/P1.7
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
R2.7/P0
1.4
2.7
R2.7/P0
2.8
R2.7/P0
2.8
R1.1/P0
0
R1.3/P0
2.8
12
13
14
15
11
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
R :REC MODE
P :PB MODE
SW_PS
RECA1
RECCK
RECDT
0.47u
B
C1805
RECA2
0.5%
220
R1815
10P
CN1801
1
2
3
4
5
6
7
8
9
10
0.47u
B
C1808
0.01u
B
C1804
RFIN
0.01u
B
C1810
6.3V
TA
10u
C1803
A
0.01u
B
C1807
0.5%
220
R1813
0.5%
22k
R1807
0.01u
B
C1802
SWP
6.3V
TA
10u
C1801
A
±
0.5%
10k
R1810
R1806
XX
R1819
10k
RP_2.8V
R1803
10k
CL1801
10uH
L1801
ALL_PS
0.01u
B
C1809
R1804
22k
RF_SWP
B
0.1u
C1812
RF_MON
0.5%
220
R1814
0.5%
10k
R1808
R1818
10k
10uH
L1802
0.01u
C1815
0.5%
220
R1816
±
0.5%
22k
R1812
0.01u
C1814
R1805 XX
REG_GND
RP_4.6V
0.01u
B
C1813
0.01u
B
C1806
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
B
0.1u
C1811
1
A
RECA1
RECA1
RECA2
RECCK
RECDT
RECA2
RECCK
RECDT
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
XODD
GND
XEVEN
GND
YODD
GND
YSDL
YEVEN
GND
EVEN
MECHANISM DECK
VIDEO HEAD
ODD
IC1801
REC/PB HEAD AMP
65
(17/17)
(17/17)
66
54
(7/17)
67
(13/17)
VC-315 BOARD(9/17)
REC/PB HEAD AMP
XX MARK:NO MOUNT
9
G
E
8
F
5
C
3
7
11
4
2
B
6
10
D
12
16
CHROMA
PB
AUDIO
REC
Y
SIGNAL
Y/CHROMA
VIDEO SIGNAL
SIGNAL PATH
Ref.signal
SIGNAL PATH
REC/PB
PB
REC
±
±
±
±
±
±
DCR-TRV38/TRV38E/TRV39
COVER
COVER
4-2. SCHEMATIC DIAGRAMS
VC-315 (-11) SIDE A
VC-315 (-11) SIDE B
VC-315 (-12) SIDE A
VC-315 (-12) SIDE B
4-2. SCHEMATIC DIAGRAMS
VC-315 (-11) SIDE A
VC-315 (-11) SIDE B
VC-315 (-12) SIDE A
VC-315 (-12) SIDE B
4-51
4-52
For Schematic Diagram
• Refer to page 4-87 for printed wiring board.
• Refer to page 4-87 for printed wiring board.
VC-315 (10/17)
70
(17/17)
(1/17)
19
(8/17)
60
(13/17)
68
26
(4/17)
(17/17)
69
IC1901
4.6
0
0
2.7
2.7
-0.6
0
0
-0.6
-0.6
0
1.3
0
1.3
2.2
0
1.3
0
0
1.9
2.3
0
4.6
4.6
1.3
R0/P1.3
1.3
1.3
4.6
4.6
0
0
0
4.6
0
2.7
2.7
2.7
2.7
22
21
20
23
24
25
16
17
18
19
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
R :REC MODE
P :PB MODE
VD_SCK
RB1904
33
C1902
XX
1k
R1908
C1915
0.1u
B
B
2.2u
C1916
B
2.2u
C1908
L1901
10uH
S_C_I/O
C1912
4.7u
B
RB1906
1k
1
2
3
4
5
6
7
8
SDC_IN
AGC_CONT
ACC_CONT
C1905
1u B
100
R1902
B
2.2u
C1920
IC2101_C_OUT
FB1901
0uH
0.01u
B
C1918
D_2.8V
1k
R1906
VD_SO
Q1902
DTA144EMT2L
1k
R1909
2SC5658T2LQ/R
Q1901
B
2.2u
C1909
S_Y_I/O
22p
CH
C1923
0.01u
B
C1901
C1903
0.033u
B
10k
R1905
4700
R1901
0.01u
B
C1914
C1913
1u
B
220k
R1903
L1902
10uH
IC2101_Y_OUT
C1907
0.01u
B
C1906 1u B
4700
R1910
REG_GND
1k
R1907
C1917
0.01u
B
XCS_IC1901
XVIDEO_IN
R1904
22k
±
0.5%
IC1901_C_OUT
RB1903
33
C1904
0.22u
0.22u
B
2200
R1911
C1911
1u
B
VIDEO_I/O
A_4.6V
UP04501008S0
Q1903
6
2
1
3
5
4
C1922
4.7u
B
B
C1910
2.2u
IC1901_Y_OUT
B
4V
TA
220u
C1921
B
4V
TA
220u
C1919
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
VD_SCK
VD_SO
1
A
VD_SO
VD_SCK
XCS_IC1901
VIDEO_I/O
ACC_CONT
AGC_CONT
DR_C_OUT
ACC_CONT
AGC_CONT
XCS_IC1901
VD_SO
VD_SCK
DR_Y_OUT
DR_Y_OUT
DR_V_OUT
S_Y_I/O
S_C_I/O
S_Y_I/O
VIDEO_I/O
S_C_I/O
DR_C_OUT
DR_V_OUT
VD_SO
VD_SCK
XCS
C_IN2
MAIN_GND2
INPUT_Y_OUT
BGT_OUT
4FSC_OUT
Y_GCA_CONT
DRV_C_OUT
DRV_V_OUT
DRV_Y_OUT
D_GND
CLAMP_TC1
XSCK
AGC_VOUT
Y_IN1
APC_FIL
VREF
MM_TC2
Y_IN4
V_INV
Y_INV
C_IN3
Y_IN2
SI
SDC
EXT
AL
C_IN1
C_GCA_CONT
MAIN_GND1
XT
AL
INPUT_C_OUT
IR_V_OUT
V_GND
CLAMP_TC2
Y_GND
D_VCC
PLL_VCC
C_GND
MAIN_VCC
SYNC_SEP_TC
IR
MM_TC3
PLL_GND
V_VCC
Y_VCC
C_VCC
Y_IN3
C_IN4
SWITCH
VIDEO MUTE
VIDEO IN/OUT AGC
XX MARK:NO MOUNT
VIDEO IN/OUT AGC(RF BLOCK)
VC-315 BOARD(10/17)
9
G
E
8
F
5
C
3
7
11
4
2
B
6
10
12
D
16
REC
PB
Y/CHROMA
VIDEO SIGNAL
SIGNAL PATH
Y
CHROMA
DCR-TRV38/TRV38E/TRV39
COVER
COVER
4-2. SCHEMATIC DIAGRAMS
VC-315 (-11) SIDE A
VC-315 (-11) SIDE B
VC-315 (-12) SIDE A
VC-315 (-12) SIDE B
4-2. SCHEMATIC DIAGRAMS
VC-315 (-11) SIDE A
VC-315 (-11) SIDE B
VC-315 (-12) SIDE A
VC-315 (-12) SIDE B
4-53
4-54
For Schematic Diagram
• Refer to page 4-87 for printed wiring board.
• Refer to page 4-87 for printed wiring board.
VC-315 (11/17)
2.7
2.7
1.4
1.3
1.3
0.4
0.1
0.1
0.4
0.4
0.6
0.6
2.7
0.7
1.3
R0/P2.7
1.3
2.7
0.3
0.8
0.4
0.8
0.4
0.2
4.9
0.2
1.3
2.4
1.3
2.4
1.3
1.3
1.3
1.2
1.2
0.9
1.9
1.3
1.2
1.2
0.1
1.2
1.0
R13.8/P14.0
0
0.8
0.8
0.2
0.2
0.2
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
R1.5/P1.2
0.4
2.7
0
2.6
2.7
0.5
0
4.2
26
32
31
30
29
28
27
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
R :REC MODE
P :PB MODE
XX
R2518
4.7uH
L2501
0
R2522
XX
R2505
47k
R2514
0.1u
B
C2508
XCS_IC2501
10k
R2523
22k
R2528
1u
B
C2527
SPCK
EP_13.5V
0.1u
B
C2535
10V
XX
C2520
REG_GND
B
C2537
6.3V
1u
0.1u
C2501
CAP_ERROR
XX
C2514
DRUM_ERROR
D_2.8V
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
0.022u
B
C2528
CAP_PWM
0
R2519
0.1u
B
C2541
16V
DRUM_PG
0
R2506
0.01u
B
16V
C2509
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
LM_LIM_DET
0.047u
B
C2505
10V
0
R2507
B
470p
C2533
270
R2515
XX
C2519
XX
C2517
DRUM_PWM
1u
10V
B
C2522
XX
C2526
0.01u
B
16V
C2510
33
R2503
1u
B
C2504
10V
470p
B
C2540
0.1u
B
C2530
10V
0.1u
B
C2523
10V
0.1u
B
C2511
10V
0.001u
B
C2503
50V
XCC_DOWN
C2534
XX
CAP_VS
XX
C2516
0
R2520
B
470p
C2536
0.047u
B
C2506
10V
33
R2502
R2525
15k
VTR_UNREG
0.1u
B
C2539
10V
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
4700
R2527
0
R2516
0.01u
B
C2524
16V
2.2
R2510
DRUM_FG
6800p
B
C2542
16V
2.2
R2512
2SC5658T2LQ/R
Q2502
DRUM_VS
XVSP_SCK
0.1u
B
C2532
10V
MT_4.9V
0.01u B
C2507
100k
R2529
XX
R2517
2.2
R2511
B
470p
C2531
2200
R2526
XRST_VTR
0.047u B
C2529
0.1u
B
C2515
10V
10uH
L2502
MT_GND
LOAD
6800p
B
C2543
0.1u
B
C2518
10V
XX
C2512
0.1u
B
C2521
10V
0.1u
B
C2513
10V
VSP_SO
UNLOAD
XX
R2521
0.001u
B
C2502
50V
10P
CN2501
1
2
3
4
5
6
7
8
9
10
1k
R2530
DTC114EMT2L
Q2503
XFFREW_UP
2SA2030T2L
Q2501
10k
R2509
10k
R2508
SREEL_FG
CAP_FWD
TAPE_END
CAP_FG
TAPE_TOP
CAP_ON
CHIME_SCK
CHIME_SDA
XREEL_HALL_ON
MODE_SW_C
DEW_AD
MODE_SW_A
MODE_SW_B
TAPE_LED_ON
1
A
TREEL_FG
CHIME_VDD
REC_PROOF
DRUM_W
DRUM_U
FG1
TAPE_LED_ON
MR_VCC
UHE+
DRUM_COM
S_REEL_+
CAP_U
MR_VCC
XREEL_HALL_ON
DRUM_PG_SENS
DEW_AD
VHE+
LM_+
LM_-
S_REEL_+
TAPE_END
WHE-
CHIME_SCK
DRUM_FG_SENS
MODE_SW_A
MODE_SW_C
WHE-
CAP_FWD
LM_-
SREEL_FG
UHE+
DRUM_COM
MODE_SW_B
CAP_V
VHE-
CAP_U
TAPE_TOP_C
CHIME_VDD
DRUM_V
T_REEL_-
CAP_W
DRUM_V
CAP_ON
UHE-
S_REEL_-
DRUM_FG_SENS
DRUM_U
FG2
TREEL_FG
WHE+
HE_VCC
UHE-
CHIME_SDA
T_REEL_+
HE_VCC
DRUM_PG_SENS
CAP_V
S_REEL_-
CAP_W
VHE+
FG_PG_COM
TAPE_TOP
CAP_FG
T_REEL_+
WHE+
TAPE_END_C
FG1
VHE-
T_REEL_-
LM_+
REC_PROOF
FG2
DRUM_W
FG_PG_COM
TAPE_TOP_C
TAPE_END_C
SREEL_FG
TAPE_END
TAPE_TOP
CAP_FG
CAP_FWD
CAP_ON
REC_PROOF
CHIME_VDD
CHIME_SDA
CHIME_SCK
XREEL_HALL_ON
MODE_SW_B
DEW_AD
MODE_SW_C
TAPE_LED_ON
MODE_SW_A
TREEL_FG
XCCDOWN_SW
HALL_VCC
CHIME_SCK
FG_VCC
SW_COM/SW_GND
DRUM_U
CAP_U
CAP_V
SREEL+
UHE+
FG2
VHE-
LM_UNLOAD
LM_LOAD
M_COM
CAP_W
XMODE_SW_C
WHE-
DRUM_V
HE_GND
FG_VCC
CAP_V
LM_LOAD
CAP_W
TOP/END_GND
DRUM_W
WHE+
TAPE_TOP
DEW+
VHE+
CHIME_VDD
LM_UNLOAD
HALL_GND
CAP_V
SREEL-
CHIME_SDA
HE_VCC
FG/PG_COM
CAP_U
CAP_U
TAPE_LED_A
FG
PG
XMODE_SW_B
CAP_W
DRUM_U
MIC/REC_SW_GND
FG_GND
TAPE_LED_K
DRUM_W
TREEL+
DRUM_V
CAP_W
TREEL-
FG1
DEW-
CAP_U
FG_GND
UHE-
TAPE_END
XMODE_SW_A
CAP_V
N.C.
XREC_PROOF
M903
CAPSTAN
MOTOR
CAPSTAN
MOTOR
(PAGE 4-31
of LEVEL2)
of LEVEL2)
M
FG
TO
MECHANISM
BLOCK
MECHANISM
BLOCK
PG-FG
HALL
Z-MECHNISM
M
M901
DRUM MOTOR
DRUM MOTOR
(17/17)
71
73
(17/17)
74
(13/17)
14
(3/17)
14
(4/17)
14
(2/17)
25
25
(7/17)
(15/17)
25
(4/17)
(7/17)
6
6
(1/17)
6
(13/17)
VC-315 BOARD(11/17)
SERVO PROCESSOR
XX MARK:NO MOUNT
SERVO PROCESSOR
IC2501
SWITCH
B+ SWITCH
LED DRIVE
REC/PB
Drum speed servo
Drum phase servo
SIGNAL PATH
Drum servo (speed and phase)
Capstan servo (speed and phase)
PB
REC
Capstan speed servo
46
(5/17)
72
(12/17)
9
G
K
E
8
15
F
5
J
C
14
3
7
11
4
13
I
2
B
6
10
16
12
D
H
16
6
(17/17)
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