8.5.
LUMINANCE & CHROMINANCE/ AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM
A
B
C
D
E
F
G
1
2
3
4
5
6
7
8
9
H
10
11
:TO SYSTEM CONTROL & SERVO SECTION
S
:TO POWER SUPPLY/RF SECTION
R
AV 12V
R
C3048
0.1
VIDEO OUT
S
RFC VIDEO OUT
R
S
S
S
S
S
S
R
IIC CLOCK
IIC DATA
HEAD SW
MESECAM
TRACKING ENV.
FM MUTE
RFC AUDIO OUT
A8
A7
A5
A4
A3
A2
A1
C3049
0.1
C3050
16V47
L3304
68u
R3022
680
R3023
470
Q3202
2SB709A
(AMP)
C3051
6V470
1
2
3
4
5
6
7
8
AUDIO
IN
VIDEO
IN
AUDIO
OUT
VIDEO
OUT
TL4505
TL3003
TL3002
JK3201
K2HA408B0053
(REAR JACK)
R3212
75
VIDEO MAIN SIGNAL PATH IN REC MODE
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
P4002
(TO A/C HEAD)
1
2
3
4
5
6
AUDIO ERASE IN
GND
AUDIO HEAD (R)
AUDIO HEAD (W)
CTL HEAD (-)
CTL HEAD (+)
CTL HEAD (+)
CTL HEAD (-)
S
S
QR4082
UN2213
Q4084
2SB710A
(ERASE HEAD
DRIVE)
R4087
2200
R4086
2200
C4083
6V220
C4085
0.022
C4084
1800P
3
T4081
EQQ7QF024Q
2
C4081
0.022
1
4
6
R4082
3300
Q4081
2SD602A
C4082
470P
R4081
12K
L4081
470u
(OSC)
0.3
(4.9)
5.3
5.3
(4.4)
5.3
(0)
0
(4.8)
0.3
(4.6)
0.3
(-0.8)
P4001
(TO FULL ERASE HEAD)
FULL ERASE IN
FULL ERASE OUT
1
2
UNREG 6V
P
GND
R
TUNER AUDIO
B3
B6
B5
B4
B2
SP R
SP COM
SP L
10
9
GND
LP/EP L
LP/EP R
LP/EP COM
P5001
(TO CYLINDER UNIT)
8
7
6
3
4
1
2
5
B7
B1
S
PAL 9H
S
D.A.REC
R
S
BIAS
C4066
2200P
QR4061
UN2211
R
TUNER 5V
R
VIDEO 5V
QR4081
UN2111
Q4082
2SD1149
Q4083
2SD601A
R4084
1K
R4085
1K
(PB:ON)
(PB:ON)
5.0
5.3
(0)
0.7
(-24.5)
0
(4.8)
0
0
(-15.9)
0.7
(-24.0)
B10
C3066
0.1
L5001
56u
C5006
0.1
C5005
6V100
C4052
0.1
C4051
6V220
(C/D)
R4071
15K
C4065
1800P
C4063
50V3.3
C4016
15P
(C/D)
C4062
6V33
R4063
180
R4062
10K
R4061
330K
C4061
0.01
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
1
2
3
4
5
6
7
80
79
78
77
76
75
74
SP1
SP2
SP1
SP2
DET
DET
COLOR
LEVEL
DETECTOR
ENVDET
HPF
COME
TANK
CR DET
MESECAM
DET
BAND
GAP
INT
EXT
FH
TRAP
REC
EQ
DET
VCA
REC
MUTE
EXT
INT
SP
SP
CH2
CH1
P
R
SP2
B-Y
INVERT
SP1
SP2
SP1
VCA
PREAMP
REC ON
SP ON
CH1
CH2
EP ON
R
P
0
1.3
(3.3)
0
4.9
5.2
2.4
2.4
2.4
2.3
(0)
2.3
(0)
2.3
(0)
5.2
0.5
2.5
2.5
2.5
0
2.6
2.6
0
0
0
2.1
2.6
2.8
2.8
2.7
2.3
2.8
0
0
2.5
R3038
2200
(B)
C3047
0.1
A3
A4
(A/C/D)
C3046
50V1
(A/C/D)
B6
B5
C5001
0.01
B4
C5002
0.01
B3
C5003
0.01
B2
B1
C5004
0.01
C4053
1000P
C4041
25V4.7
(C/D)
C4064
1800P
LB4078
0:A/B
J0JBC0000070:C/D
LB4077
0:A/B
J0JBC0000070:C/D
C4042
25V4.7
R4015
20K
C4018
6V22
A5
R3018
15K
R4018
10K
TW3001
C3042
25V4.7
A7
B12
IC3001
HA118425F
C4010
16V10
B11
C3062
16V10
AUDIO MAIN SIGNAL PATH IN REC MODE
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
TL4503
R3039
68
R4039
10K
R4088
0
0
0
S
SP
QR3004
UN2213
(LP/EP:ON)
B8
R4012
4700
R4011
47K
B10
R4013
47K
R4014
4700
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE
WITH PAL COLOUR.(SP MODE)
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
2.4
1.7
0
0
:TO POWER TRANSFORMER SECTION
P
C4079
470P
(C/D)
LB4073
0:A/B
VLP0147:
C/D
R4075
470
LB4079
0:A/B
VLP0147:
C/D
R4073
0:A/B
470:C/D
C4075
470P
C4603
6800P
R4602
47K
A1
A2
0
0
-0.4
QR4506
UN2215
(MUTE)
QR4504
UN2115
(BUFFER)
B9
B11
C4086
6V47
R4017
10K
B7
C4011
0
R4016
15K
C4601
16V10
R4601
470
(BIAS :ON)
H
H
H
H
H
(PAL 9H :ON)
H
(D.A.REC :OFF)
H
L
H
NV-MV40GC/GCS/GL/EE/GCU
LUMINANCE & CHROMINANCE/AUDIO SECTION SCHEMATIC DIAGRAM
34
