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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
Y/C VIDEO OUT
V
FSC
F
R
POWER OFF
L
R
FIP
L
I
VIDEO OUT
H
A
RFC MUTE
T
FIP CS
V
MESECAM DET
H
T
S.DATA
T
S.CLOCK
T
P.FAIL
L
T
POWER KEY
E
T
SAFETY TAB
L
R
AFC S-CURVE
V
TRACKING ENV.
V
KILLER
L
V
PAL EP
H
H
I
AV2 PB
D
V
FREQ.ADJ
V
ART V/H/N
T
IR
V
HEAD SW
A
A.HEAD SW
I
PROG
H
A
ABS NORMAL
H
A
D.FM REC
H
V
D.A.REC
H
V
BIAS
H
V
A
MUTE
H
R
SW2
V
S-VHS DET
H
L
T
RESET
C
I
AV1 PB
H
V
CYL HEAD (-)
V
CYL HEAD (+)
R
REG 5V
R
PS 5V
1
MODE SW
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)
A19
2
A18
A17
A16
A15
1
A14
A11
A10
IC1501
RPI354N
A8
(T-REEL)
A7
R1502
A6
180
2
A2
A1
1
B1
B2
B4
B5
B6
B7
B8
B9
B10
B11
B12
B14
R6031
6800
B16
B17
B18
B19
C6017
680P
B20
B21
B22
B23
R6020
39K
B25
Q1501
B26
PNB2301MBV
B27
(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
R1506
10K
C6041
C2514
0.1
0.1
R1501
R6021
120
27K
Q1502
PNB2301MAV
(S-PHOTO)
R2507
270K
4
CAPSTAN SERVO PHASE LOOP
A29
A30
A31
A6
R2501
0
C2506
0.056
R2504
R2503
10K
10K
C2505
C2507
0.056
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)
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
C6016
R6026
0.01
39K
C6015
R6023
16V10
27K
R2508
43K
B1
B2
B4
5
A33
R2502
C6038
2200
22P
C6039
22P
TW600
77
76
75
74
73
4
5
6
7
8
TL6010
B5
B6
6
44
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