Advertisement
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
L
V
SP
V
AVR
L
V
S-VHS PB
H
R
REG 5V
R
SYSTEM CTL 5V
E
R
GND
MODE SW
S1532
K0ZZ00000598
1
2
3
4
5
D
V
CTL HEAD (-)
V
CTL HEAD (+)
V
MESECAM
H
C
V
TRACKING ENV.
R
AFC S-CURVE
V
PICTURE 2
V
HEAD SW
V
D.A.REC
H
V
PAL 9H
H
V
BAIS
H
B
V
FM MUTE
H
R
SW1
V
ART V/H/N
A
R
BACK UP 5V
1
CAPSTAN SERVO SPEED LOOP
A18
A16
A15
A13
A12
R6032 470
A9
A8
A7
A6
A5
A4
A3
A2
A1
B1
B2
B3
B4
B8
B9
B11
B12
B18
B19
B20
B21
B22
R4513
2200
C4583
0.01
B25
2
IC1511
RPI303
(T-REEL SENSOR)
R1513
120
2
3
1
4
IC1512
RPI303
(S-REEL SENSOR)
2
3
1
4
R1512
27K
C6102
IC6201
0.01
PST3142NR
(RESET)
1
OUT
5
2
VDD
3
GND
4
C2099
R2099
680P
6800
IR7501
PNA4618M09V
(IR RECEIVER)
R OUT
GND
VCC
1
2
3
C6109
0.1
R1501
R1503
R1502
27K
150
27K
Q1501
Q1502
PNA2604M01
PNA2604M01
(T-PHOTO)
(S-PHOTO)
SENSOR
D1501
B3EA00000072
B26
B27
3
4
CAPSTAN SERVO PHASE LOOP
A19
A20
C2003
1
R2001
3900
D2001
TW2015
1SS254
D2002
1SS254
C2001
R1511
TL2015
33P
27K
R2002
1M
A3
A2
R6022 1K
A1
C2055
0.1
TW2002
C2053 16V10
C2054
3900P
C2051 6V22
N
IC6001
C2CBHF000252:A/E
C2CBHF000253:B
C2CBHF000251:C/D
R6020
10K:D
18K:E
(D/E)
R6019
10K
R6007
10K
C6111
0.1
B28
B29
5
CY
A21
A22
A23
R2563
R2561
1K
1K
C2561
C2562
0.056
0.056
TL6013
TL6012
80
79
78
77
76
75
7
81
SP
L
82
EX.FF/REW
L
83
POWER ON
H
84
AVR
L
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
92
I REF
93
GND
94
CTL HEAD (-)
95
CTL HEAD (+)
96
CTL AMP REF
97
PB CTL OUT
98
A VDD
99
AD VDD
100
NTSC
L
1
2
3
4
5
6
R6021
10K
(A/B/C/E)
R6006
C6005
18K
50V3.3
K6006
R6016
0.01
10K
B8
B9
B
6
34
Advertisement
