Read Sony SLV-ED8KR / SLV-ED9KR Service Manual online
SLV-ED8/ED9
3-8
3-4. SERVO/SYSTEM CONTROL BLOCK DIAGRAM
3-7
MA-325 BOARD (3/5)
(SEE PAGE 4-15,4-17,4-19)
CN101
MTR 12V
DRUM VS
DRUM PG
DRUM FG
1
2
3
4
OUTPUT
DRIVER
OUTPUT
DRIVER
HALL
DEVICE
MATRIX
M
MTR 12V
SW 5V
CTL-REF
CAP FG
MTR 12V
CAP VS
CAP RVS
CAP TRQ PWM
HALL
DEVICE
CAPSTAN
FG
CN102
1
4
3
7
5
2
6
U+
REF
VM
VS
FRC
TL
VCC
U–
V+
V–
W+
W–
U
V
W
PG
FG
M901
DRUM MOTOR
M902
CAPSTAN
MOTOR
+
–
–
+
–
DRUM DA
68 DRUM PG
69 DRUM FG
73
35
99 STEP PLS
72 CAP RVS
84 CAP TRQ PWM
60
F ENV
RF ENV
70 CAP FG
7
REC CTL
77 REC COUNT
8
CTL RESET
67
92 CTLHYS HIGH
15 C IN (REC PRF)
XTAL
EXTAL
DRUM ERROR
INTEGRATOR
(1/2)
IC101
SERVO/SYSTEM
CONTROL
IC161
7
6
5
CAP ERROR
INTEGRATOR
INTEGRATOR
(2/2)
IC101
1
3
2
+
–
–
+
–
CTL AMP
CAM (+)
CAM (+)
CAM (–)
(2/2)
(1/2)
IC021
REF AMP
IC001
CAM MOTOR DRIVE
IC130
COMPARATOR
IC001
1
7
6
5
3
1
3
2
SW5V
SW5V
MTR 12V
D141
+
PS100
3
1
CN161
1
2
3
CN103
+
GAIN
SW
43
CAM
9
MODE1
22
MODE 2
21
MODE 3
20
MODE 4
19
42
D5V
Q001
CTL CHECK
S101
REC PRF
X161
16MHz
CTL
HEAD
CTL (X)
CTL (Y)
M
CAM+
CAM–
MODE SWITCH
10
2
3
IN2
IN1
4
MECHA
POSITION
S100
CAM ENCODER
M903
CAM MOTOR
81
SCK I (SSB)
SCKI
80
SO I (SSB)
SOI
46
SI 0
SO
44
ASURA CS
40
ASURA RESET
SCLK
SO 0
1
RF SWP
RE SWP
45
SI
SI
47
SCLK
S CLK
66
COMP SYNC
V SYNC
4
QVD
QVD
26
TV/VTR
TV/VTR
30
V CLK (IIC)
SCL 0 (I2C)
28
VS DATA (IIC)
SDA 0 (I2C)
2
96
AF REC
AF REC
59
AF ENV
AF ENV
DATA (IIC)
CLOCK (IIC)
100
AF SWP
AF SWP
31
A MUTE
A MUTE
36
56
AV ADJ
61
D102
T/S LED
Q101
T. SENS
Q100
T. SENS
T SENS
32
T/S LED
64
PH100
T. REEL
T REEL FG
25
7
8
5
24
CN105
62
S SENS
LED
DRIVE
Q111
SW12V
63
PH101
S. REEL
S REEL FG
JS161
JS162
SWP ADJ
MODE
CONTROL
(SEE PAGE 3-14)
CONTROL
(SEE PAGE 3-14)
VIDEO 1
(SEE PAGE 3-4)
(SEE PAGE 3-4)
VIDEO 2
(SEE PAGE 3-6)
(SEE PAGE 3-6)
AUDIO
(SEE PAGE 3-10)
(SEE PAGE 3-10)
TUNER
(SEE PAGE 3-11)
(SEE PAGE 3-11)
74
VCC
ASURA CS
ASURA RESET
AF REC P
AF REC P
FULL ERASE
FULL ERASE
PB CTL
CAP DA
CAP STOP
05
IC161
$£
REC/PB
2.4Vp-p (16MHz)
IC161
^¶
PB
5.3Vp-p (2V)
IC161
&º
REC/PB
5.1Vp-p (1kHz)
IC161
^ª
REC/PB
5.0Vp-p (360Hz)
IC161
1
REC/PB
5.1Vp-p (2V)
IC161
^•
REC/PB
5.0Vp-p (2V)
IC161
7
REC
5.0Vp-p (2V)
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