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8.4.
SYSTEM CONTROL & SERVO SECTION IN MAIN SCHEMATIC DIAGRAM
P :TO POWER TRANSFORMER SECTION
R
:TO POWER SUPPLY/RF SECTION
T
:TO TIMER SECTION
V
:TO LUMINANCE & CHROMINANCE/AUDIO SECTION
G
V
FSC
V
Y/C VIDEO OUT
V
VIDEO OUT
V
KILLER
R
SW2
T
S.CLOCK
F
T
S.DATA
T
FIP CS
R
V
IIC CLOCK
R
V
IIC DATA
V
AVR
L
V
S-VHS PB
R
REG 5V
R
SYSTEM CTL 5V
E
R
GND
MODE SW
S1532
K0ZZ00000598
D
V
CTL HEAD (-)
V
CTL HEAD (+)
V
MESECAM
C
V
TRACKING ENV.
R
AFC S-CURVE
V
HEAD SW
V
D.A.REC
V
PAL 9H
V
BAIS
H
B
V
FM MUTE
R
SW1
V
ART V/H/N
A
R
BACK UP 5V
1
A16
A15
A13
A12
R6032 470
A9
A8
A7
A6
A5
A4
A2
H
A1
1
B1
2
B2
3
B3
4
B4
5
H
B8
B9
B12
H
B18
H
B19
B20
H
B21
B22
2
CAPSTAN SERVO SPEED LOOP
A18
IC1511
RPI303
(T-REEL SENSOR)
R1513
120
2
3
1
4
IC1512
RPI303
(S-REEL SENSOR)
2
3
1
4
C6102
IC6201
0.01
PST3142NR
(RESET)
1
OUT
6
2
VDD
5
3
GND
4
C2099
R2099
680P
6800
IR7501
PNA4618M09V
(IR RECEIVER)
R OUT
GND
VCC
1
2
3
C6109
0.1
R1501
27K
Q1501
PNA2604M01
(T-PHOTO)
SENSOR
D1501
B3EA00000072
B25
B26
B27
3
CAPSTAN SERVO PHASE LOOP
D2001
TL2015
1SS254
D2002
1SS254
C2001
R1512
R1511
33P
27K
27K
R2002
1M
A2
A1
C2055
0.1
TW2002
C2054
3900P
R1503
R1502
150
27K
(D/E)
Q1502
PNA2604M01
(S-PHOTO)
C6111
0.1
B28
B29
4
5
A19
A20
A21
C2003
R6406
1
100
R2563
R
1K
1
R2001
C2561
C
3900
0.056
0
TL6013
TL6012
80
79
81
82
EX.FF/REW
L
83
POWER ON
H
84
AVR
L
R6022 1K
85
S-VHS PB
H
86
CAP FG OUT
87
CAP FG IN
88
GND(A)
89
MESECAM
H
90
CYL PFG
91
O REF
C2053 16V10
92
I REF
93
GND
94
CTL HEAD(-)
95
CTL HEAD(+)
C2051 6V22
96
CTL AMP REF
N
97
PB CTL OUT
98
A VDD
99
AD VDD
100
1
2
R6040
10K
R6020
10K:D
12K:E
R6021
R6
10K
10
R6007
(A/B/C/E)
10K
R6006
C6005
18K
50V3.3
K
0
B8
6
36
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