8.5.
LUMINANCE & CHROMINANCE/ AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM
H
H
H
H
H
H
H
H
P :TO POWER TRANSFORMER SECTION
1.7
2.4
WITH PAL COLOUR SIGNAL.(SP MODE)
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE
WITH PAL COLOUR.(SP MODE)
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE
15K
R4012
4700
R4011
B8
0
C4011
47K
R4016
56K
R4017
R
0
0
0
R4088
75
R3039
TL4503
TL4504
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
AUDIO MAIN SIGNAL PATH IN REC MODE
16V10
C3062
B9
16V10
C4010
HA118425AF
IC3001
B7
A7
25V4.7
C3042
TW3001
10K
R4018
A6
15K
R3018
A5
6V22
C4018
20K
R4015
25V4.7
C4042
0
LB4077
0
LB4078
1800P
C4064
0.01
C5004
B1
B2
0.01
C5003
B3
0.01
C5002
B4
0.01
C5001
B5
B6
50V1
C3046
(GC/GCS/GCSX)
A4
A3
0.1
C3047
(GL)
2200
R3038
2.5
0
0
2.8
2.3
2.7
2.8
2.8
2.6
2.1
5.2
0
0
2.6
2.6
0
2.5
2.5
2.5
0.5
5.2
(0)
2.3
(0)
2.3
(0)
2.3
2.4
2.4
2.4
5.2
4.9
0
(3.3)
1.3
0
P
R
EP ON
CH2
CH1
SP ON
REC ON
PREAMP
VCA
SP1
SP2
SP1
INVERT
B-Y
SP2
R
P
CH1
CH2
SP
SP
INT
EXT
MUTE
REC
VCA
DET
EQ
REC
TRAP
FH
EXT
INT
GAP
BAND
DET
MESECAM
CR DET
TANK
COME
HPF
ENVDET
DETECTOR
LEVEL
COLOR
DET
DET
SP2
SP1
SP2
SP1
74
75
76
77
78
79
80
7
6
5
4
3
2
1
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
6800P
C4061
470K
R4061
15K
R4062
330
R4063
6V22
C4062
50V3.3
C4063
1800P
C4065
15K
R4071
6V100
C5005
0.1
C5006
56
µ
L5001
0.1
C3066
B10
(-24.0)
0.7
(-15.9)
0
0
(4.8)
0
(-24.5)
0.7
(0)
5.3
5.0
(PB:ON)
(PB:ON)
(D.A.REC :OFF)
1K
R4085
1K
R4084
2SD601A
Q4083
2SD1149
Q4082
UN2111
QR4081
VIDEO 5V
R
TUNER 5V
R
(PAL 9H :ON)
UN2211
QR4061
2200P
C4066
BIAS
S
A
AUDIO HEAD COM
AUDIO HEAD R
AUDIO OUT (N)
AUDIO IN (N)
A
A
D
D.A.REC
S
PAL 9H
S
B1
B7
B8
B9
5
2
1
4
3
6
7
8
(TO CYLINDER UNIT)
P5001
LP/EP COM
LP/EP R
LP/EP L
AUDIO HEAD L
9
SP L
SP COM
SP R
AUDIO HEAD COM
AUDIO HEAD R
B2
B4
B5
B6
B3
TUNER AUDIO (N)
A
AUDIO HEAD L
A
R
GND
P
UNREG 6V
2
1
FULL ERASE OUT
FULL ERASE IN
(TO FULL ERASE HEAD)
P4001
(-0.8)
0.3
(4.6)
0.3
(4.8)
0
(0)
5.3
(4.4)
5.3
5.3
(4.9)
0.3
(OSC)
470
µ
L4081
12K
R4081
470P
C4082
2SD602A
Q4081
3300
R4082
6
4
1
0.022
C4081
2
EQQ7QF024Q
T4081
3
1800P
C4084
0.022
C4085
6V47
C4083
2200
R4086
2200
R4087
DRIVE)
(ERASE HEAD
2SB710A
Q4084
(BIAS :ON)
UN2213
QR4082
S
S
CTL HEAD (-)
CTL HEAD (+)
CTL HEAD (+)
CTL HEAD (-)
AUDIO HEAD (W)
AUDIO HEAD (R)
GND
AUDIO ERASE IN
6
5
4
3
2
1
(TO A/C HEAD)
P4002
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
VIDEO MAIN SIGNAL PATH IN REC MODE
A1
A2
470
R4076
0
LB4074
470
R4075
0
LB4073
75
R3212
(REAR JACK)
K2HA612B0045
JK3201
TL3002
TL3003
TL4505
TL4506
OUT
VIDEO
OUT (R)
AUDIO
OUT (L)
AUDIO
IN
VIDEO
IN (L)
AUDIO
IN (R)
AUDIO
8
7
6
5
4
3
2
1
0
LB4079
0
R4073
470P
C4075
0
R4074
470P
C4076
6V470
C3051
(AMP)
2SB709A
Q3202
270
R3023
680
R3022
68
µ
L3304
16V47
C3050
0.1
C3049
A1
A2
A3
A4
A5
A6
A7
A8
AUDIO IN (L)
AUDIO IN (R)
AUDIO OUT (R)
AUDIO OUT (L)
TRACKING ENV.
MESECAM
HEAD SW
FM MUTE
IIC DATA
IIC CLOCK
A
A
A
A
S
S
S
S
S
S
R
RFC VIDEO OUT
S
VIDEO OUT
R
AV 12V
R :TO POWER SUPPLY/RF SECTION
S :TO SYSTEM CONTROL & SERVO SECTION
:TO Hi-Fi AUDIO SECTION
A
D :TO DECODER SECTION
11
10
H
9
8
7
6
5
4
3
2
1
G
F
E
D
C
B
A
NV-HV61GL/GC/GCS/GCSX
LUMINANCE & CHROMINANCE/AUDIO SECTION SCHEMATIC DIAGRAM
(GC/GCS/GCSX)
25V4.7
C4041
36