Table of Contents
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
A :TO Hi-Fi AUDIO SECTION
D :TO DECODER 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
D
R
V
A
IIC CLOCK
D
R
V
A
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
A
A.HEAD SW
A
D.FM REC
A
ABS NORMAL
V
D.A.REC
V
PAL 9H
V
BAIS
H
B
A
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
B13
H
B14
B17
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
TL4551
C2055
0.1
TW2002
C2054
3900P
R1503
R1502
150
27K
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
R6040
10K
1
2
R6018
10K
R602
10K
R6007
10K
R6006
C6005
18K
50V3.3
K
0
B8
6
34
Advertisement
Table of Contents
