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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
V
:TO LUMINANCE & CHROMINANCE/AUDIO SECTION
A
:TO Hi-Fi AUDIO SECTION
I :TO INPUT/OUTPUT SECTION
T
:TO TIMER SECTION
D :TO DECODER SECTION
G
R
N.SW 5V
T
BACK UP 5V
R
SLEEP
H
V
OSD VIDEO
V
Y/C VIDEO OUT
V
FSC
F
L
R
POWER OFF
R
FIP
L
I
VIDEO OUT
A
RFC MUTE
H
I
OSD PULSE
T
FIP CS
V
MESECAM DET
H
T
S.DATA
T
S.CLOCK
T
P.FAIL
L
I
AV3 S-VHS IN
L
T
POWER KEY
E
L
T
SAFETY TAB
R
AFC S-CURVE
V
TRACKING ENV.
V
KILLER
L
V
PAL EP
H
I
AV2 PB
H
D
V
FREQ.ADJ
V
ART V/H/N
I
IR
V
HEAD SW
A
A.HEAD SW
I
PROG
H
A
ABS NORMAL
L
V
V.EE
L
H
A
D.FM REC
V
D.A.REC
H
V
BIAS
H
V
A
MUTE
H
R
SW2
V
S-VHS DET
H
T
RESET
L
C
I
AV1 PB
H
V
CYL HEAD (-)
V
CYL HEAD (+)
R
REG 5V
R
PS 5V
MODE SW
1
B
2
S1501
3
K0G934A00002
4
R
GND
R
GND(SYS)
R
GND(FIP)
R
GND(CTL)
R
GND(FG)
R
GND(MOTOR)
A
1
QR6004
UN2211
(SLEEP
L
:OFF)
IC1502
RPI354N
(S-REEL)
A20
A19
2
A18
A17
A16
A15
1
A14
A12
A11
A10
IC1501
RPI354N
A8
(T-REEL)
A7
R1502
A6
180
A5
2
A2
A1
1
S-VHS
B1
CASSETTE
B2
S1502
R1506
VST0325
10K
B4
B5
B6
B7
B8
B9
B10
B11
B12
B14
B15
R6031
6800
B16
B17
B18
B19
C6017
680P
B20
B21
B22
B23
R6020
39K
B25
Q1501
B26
B27
PNB2301MBV
(T-PHOTO)
SENSOR
D1501
SIR505S
2
3
CAPSTAN SERVO SPEED LOOP
A25
A26
A27 A28
R1017
10K
C2509
0.47
R2505
3900
TL6013
TL6012
3
4
TW2015
C2510
33P
R2506
1M
3
D2501
MA165
4
D2502
MA165
R1503
R1504
27K
27K
R6001 4700
R6045
100K
C6041
C2514
0.1
0.1
R6021
R1501
27K
120
Q1502
PNB2301MAV
(S-PHOTO)
R2507
270K
4
CAPSTAN SERVO PHASE LOOP
A29
A30
A31
A6
R2501
R2502
0
2200
C2506
0.056
R2504
R2503
10K
10K
C2507
0.056
80
79
78
A1
81
S TAB
L
A2
82
POWER KEY
83
CNR OFF
H
84
SECAM ID IN
L
85
DAVN
86
FG AMP OUT
87
FG AMP IN
88
GND(A)
A5
89
AV3 S IN
L
90
CYL PFG
91
O REF
C2512 25V4.7
92
I REF
93
S CAS
L
94
CYL HEAD(-)
95
CYL HEAD(+)
C2511 6V22
96
CYL AMP REF
N
97
PB CTL OUT
98
+5V(A)
C2508
99
+5V(AD)
0.1
TW2002
100
EX.FF/REW
L
C2513
3900P
1
2
3
IC6001
C2CBJG000262
R6019
10K
R6025
R6022
43K
100
R6026
C6016
39K
0.01
C6015
R6023
16V10
27K
R2508
43K
B1
B2
B4
5
A33
A34 A3
C6038
22P
C6039
22P
TW6002
77
76
75
74
73
72
71
4
5
6
7
8
9
10
TL6010
B5
B6
6
48
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