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3-3. SERVO/SYSTEM CONTROL BLOCK DIAGRAM
MA-373 BOARD (2/5)
MTR12V
CN101
D110
VCC
1
1
OUTPUT
D VS
2
2
M M
OUTPUT
HALL
MATRIX
DEVICE
D PG
3
3
PG
M901
FG
D FG
DRUM MOTOR
4
4
CAP VCC SW5V
SW5V
CN102
PS120
VM
7
7
U+
VCC
1
1
U-
LIMITER
HALL
TL
6
6
V+
DEVICE
V-
W+
W-
U
CAP VS
5
5
V
CAP RVS
2
2
W
M902
CAP FG
CAPSTAN
CAPSTAN
3
3
FG
MOTOR
CN350 (1/2)
7
CTL
HEAD
6
IC162 of REC
5 Vp-p (2 V)
M903
CAM
CN104
MOTOR
1
M
3
S100
(CAM ENCODER)
MODE1
MODE
MODE2
SWITCH
MODE3
MECHA
MODE4
POSITION
05
(SEE PAGE 4-17)
IC162
(2/3)
SERVO/SYSTEM
CONTROL
IC162 uj REC/PB
5.4 Vp-p (56 kHz)
77
DRUM ERR
IC162 o; REC/PB
4.8 Vp-p (2 V)
90
DRUM PG
IC162 il REC/PB
IC162 ek REC/PB
89
DRUM FG
4.2 Vp-p (360 Hz)
2.7 Vp-p (17.734475 kHz)
IC162 uh REC/PB
IC162 eg REC/PB
5.4 Vp-p (56 kHz)
76
CAP ERR
1.8 Vp-p (32.768 kHz)
IC162 ij REC/PB
24
CAP RVS
87
CAP FG
4.6 Vp-p (1 kHz)
IC162 og REC
95
CTL IN +
94
CTL IN –
5 Vp-p (2 V)
SW12V
80
T REEL
PH100
T REEL
79
S REEL
PH101
S REEL
7
T SENS
D5V
Q101
T SENS
SDA (VI/HF/TU/NICAM. ZWEI/MOD/VPS/DNR)
SCL (VI/HF/TU/NICAM. ZWEI/MOD/VPS/DNR)
D100
(T/S LED)
6
S SENS
Q100
S SENS
Q102
IC162 qg, qk REC/PB
LED
20
END LED
DRIVE
IC130
S101
5.3 Vp-p (2 V)
(REC PROOF)
CAM
MOTOR DRIVE
30
REC PRF
2
CAM-
IN2
4
33
CAM
10
CAM+
29
MODE1
28
MODE2
27
MODE3
26
MODE4
3-5
SLV-SE350/SE500/SE600/SE650/SE700/SE800/SX600/SX700/SX800
IC160
RESET
RESET
34
6
PULSE
GEN.
POWER
P FAIL
78
8
FAIL
DET.
IC161
EEPROM
IIC DATA (EEP)
32
5
DATA
IIC CLK (EEP)
31
6
CLK
17.734475MHz IN
38
X161
17.734475MHz
17.734475MHz OUT
39
32kHz IN
35
X160
32.768kHz
32kHz OUT
36
EXCEPT SE350/SE500/SE700R
NICAM DATA
42
NICAM DATA
NICAM CLK
41
NICAM CLK
TU SW1
83
SW1
TUNER
TU SW2
84
SW2
(SEE PAGE 3-9)
TU AFT
3
TU AFT
TA MUTE
62
TA MUTE
SDA
SCL
CTL CHECK
CTL AMP OUT
97
AV CONT
21
AV CONT
TO AV LINK
73
TO AV LINK
FROM AV LINK
85
FROM AV LINK
I CONT
25
I CONT
AV CONT IN/C+DET
60
C+ DET
72
IIC DATA
71
IIC CLK
VIDEO
Q VD
13
Q VD
(SEE PAGE 3-3, 4)
LP
48
SP
C ROT
15
C ROT
RF ENV
8
RF ENV
ENV S
17
COMP OUT
HA SWP
16
HA SWP
RF SWP
18
RF SWP
SECAM DET
86
SECAM DET
SECAM ON
67
SECAM ON
IIC DATA
IIC CLK
A MUTE
63
A MUTE
AF ENV
9
AF ENV
AUDIO
AF SWP
19
AF SWP
(SEE PAGE 3-8)
AF REC P
22
AF REC P
FULL ERS
23
FULL ERS
DEC/VTR
58
DEC/VTR
CN161
RESET
4
DATA
2
CHECK
CLOCK
3
3-6
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