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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
T
:TO TIMER SECTION
G
T
IR
V
NAVI DATA
V
NAVI
H
A
PROG
H
V
OSD PULSE
A
5P CLOCK
A
5P DATA
T
SAFETY TAB
L
R V A
MAIN IIC CLOCK
R
V
A
MAIN IIC DATA
V
CNR OFF
H
V
CYL HEAD (-)
V
CYL HEAD (+)
V
FREQ. ADJ.
A
60Hz PB
H
F
V
PAL EP
H
H
V
LP
A
AV2 PB
H
A
RFC MUTE
H
V
TRACKING ENV.
E
R
AFC S-CURVE
R
N.SW 5V
R
REG 5V
R
PS 5V
R
PS 12V
D
R
GND
R
GND (SYS)
R
GND (FG)
R
GND (MOTOR)
R
GND (CYL)
R
GND (AV)
A
S-VHS SW
L
1
MODE
C
SW
2
S1501
3
K0G934A-
4
00002
A
ABS NORMAL
H
V
NORMAL
L
V
S-VHS
H
A
D.FM REC
H
V
ART V/H/N
L
A
AV3 S-VHS IN
V
ET REC
H
B
A
A.HEAD SW
R
AUDIO DEF
H
V
HEAD SW
V
V.EE
L
V
D.A.REC
H
V
BIAS
L
V A
MUTE
H
V
FULL ERASE
H
T
POWER KEY
H
R
POWER OFF
R
FIP
L
T
RESET
L
V
SHORT DET
L
V
A
OSD VIDEO OUT
A
A
AV PB 12V
T
BACK UP 5V
1
CAPSTAN SERVO SPEED LOOP
A22
QR6002
XN1212
(A.DUB
H
:ON)
5
A21
A20
4
A19
A18
3
A17
R6032
1K
A14
A13
C6019
A12
0.1
A11
A10
A9
A8
A7
R1506
A6
10K
A5
A4
A3
A2
A1
R6025 43K
TL6010
R6019 10K
R6021 27K
R6020 39K
R1501 120
Q1501
PNB2301MBV
(T-PHOTO)
SENSOR
R6018 4700
D1501
SIR505S
B1
B2
Q6008
B3
2SD601A
(AV1 PB:ON)
QR6001
UN2215
B4
(AV1 PB
L
R6073
B5
470K
B6
B8
D6004
B9
1SS355
B10
B11
B12
R6074
B13
R6075
470
22K
B15
B16
R6076
B17
15K
B18
B19
B20
B21
B22
B23
B24
B25
B26
2
3
CAPSTAN SERVO PHASE LOOP
R2507
270K
C6020
1
1
C6026
R6033
0.1
8200
L6003
C6018
220u
0.022
2
S-VHS
CASSETTE
S1502
K0L1BA000026
R6045
100K
A6
A5
R6023
27K
C6015
A4
16V10
A3
A2
R6022
100
R6026
C6016
A1
39K
0.01
B4
C1501
0.1
B5
Q1502
B6
PNB2301MAV
(S-PHOTO)
B8
B9
B10
B11
R6072
B12
22K
B13
:OFF)
R6071
18K
R6017
1K
TW2001
B15
4
A23
A7
R2508
C2514
43K
0.1
C6017
680P
R6031
C2508
6800
0.1
TW2002
C2513
3900P
IC6001
M37970VXHR
116
115
114
113
CURRENT
1
LIMIT
2
F ADJ.
3
S CAS
L
4
60Hz PB
H
5
TRACKING ENV.
6
SLP
H
7
LP
H
8
CPB
9
AFC S
10
RFC MUTE
H
11
AV1 PB +12V
12
N/S/T1/T2
13
S-PHOTO
14
T-PHOTO
15
ABS NORM
H
16
SPB
H
/MES
M
/NOR
L
17
S-VHS
H
18
SECAM ID IN
19
D.FM REC
H
20
ART V/H/N
21
S SW
L
22
AV3 S IN
L
23
ET REC
H
24
VIDEO H.SW
25
AUDIO H.SW
26
A.DEF
H
27
BW
H
28
AV1 PB
L
29
AVPB
M
30
31
32
33
C6013
0.1
X6002
R6005
H0D200-
0
500014
C6012
C6011
15P
18P
B16
5
CYLINDER SERVO SPEE
A8
A25
C2509
0.47
R2505
3900
C2512
25V4.7
C2511
6V22
N
112
111
110
109
108
107
106
34
35
36
37
38
39
40
R6004
X6001
220K
VSX0660
C6010
C6009
18P
18P
C6008
1000P
B17
B18
6
40
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