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P
:TO POWER SUPPLY/RF SECTION
S
:TO SYSTEM CONTROL & SERVO SECTION
A :TO Hi-Fi AUDIO SECTION
I :TO DVD INTERFACE SECTION
H
D
:TO DECODER SECTION
L3701
68u
P
AV 12V
G
S
IIC CLOCK
A9
S
IIC DATA
A8
S
FM MUTE
H
A7
S
HEAD SW
A6
H
S
MESECAM
A5
S
TRACKING ENV.
A4
I
DVD VIDEO OUT
A3
S
DVD OUT
H
A2
S
VIDEO OUT
A1
F
P
RFC VIDEO OUT
A
AUDIO IN (R)
A
AUDIO OUT (R)
A
AUDIO IN (L)
A
AUDIO OUT (L)
P4002
(TO A/C HEAD)
AUDIO ERASE IN
1
GND
2
AUDIO HEAD (R)
3
AUDIO HEAD (W)
4
CTL HEAD(-)
5
E
CTL HEAD(+)
6
S
CTL HEAD (+)
S
CTL HEAD (-)
P4001
(TO FULL ERASE HEAD)
FULL ERASE IN
1
FULL ERASE OUT
2
D
P
UNREG 6V
P
GND
P5001
(TO CYLINDER UNIT)
LP/EP R
1
B1
LP/EP COM
2
B2
LP/EP L
3
B3
SP R
4
B4
C
SP COM
5
B5
SP L
6
B6
GND
7
AUDIO HEAD L
8
AUDIO HEAD COM
9
AUDIO HEAD R
10
A
AUDIO HEAD R
A
AUDIO HEAD COM
A
AUDIO HEAD L
B
S
SP
L
S
BIAS
H
S
PAL 9H
H
S
D.REC
H
P
D
TUNER AUDIO (N)
B7
A
AUDIO IN (N)
B8
A
AUDIO OUT (N)
B9
A
P
AUDIO 5V
P
VIDEO 5V
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE
WITH PAL COLOUR.(SP MODE)
1
2
VIDEO MAIN SIGNAL PATH IN REC MODE
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
AV1 IN
VHS/DVD OUT
JK33001
K2HA609B0003
AUDIO
AUDIO
AUDIO
AUDIO
VIDEO
VIDEO
IN(R)
OUT(R)
IN(L)
OUT(L)
IN
OUT
9
8
7
6
5
4
3
2
1
TL4406
TL4404
TL4405
TL4403
TL3712
TL3711
R3711
LB4406
LB4404
LB4405
LB4403
68
0
0
0
0
C3715
6V470
R4406
R4404
R4405
R4403
0
470
0
470
Q3702
2SB1218A
(AMP)
T4081
EQQ7QF024Q
R4081
C4082
10K
470P
3
4
2
C4081
0.022
1
6
C4084
1800P
R4086
5.3
2200
5.3
Q4084
(4.4)
2SB710A
(ERASE HEAD
R4087
DRIVE)
2200
0.3
5.3
(4.9)
(0)
L4081
0
QR4082
470u
(4.8)
UN2213
(BIAS
H
:ON)
C4066
2200P
0
0
QR4061
0
UN2211
(PAL 9H
H
:ON)
5.0
R4084
0
QR4081
0.7
1K
(4.8)
(-24.5)
UN2111
(D.A.REC
H
:OFF)
5.3
(0)
R4085
0.7
1K
(-24.0)
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
3
4
5
AUDIO MAIN SIGNAL PATH IN REC MODE
A1
A2
A3
C3713
R36033
C3714
0.1
220
0.01
2.6
0
2.3
R3718
C3716
1
2
3
4
680
0.1
L
H
IC3703
C1AB00001192
8
7
6
5
1.9
5.2
L5001
68u
2.6
R3717
470
2.0
R3702
C3712
3300
0.1
R3712
75
0.3
(4.6)
R4082
0.3
3300
Q4081
(-0.8)
2SD602A
(OSC)
C4085
C4052
0.022
0.1
R4063
C4062
200
6V33
C4083
6V47
R4071
C4065
15K
1800P
0
QR3004
UN2213
(LP/EP:ON)
R4015
C4042
20K
50V4.7
0
Q4082
2SD1149
(PB:ON)
0
(-15.9)
Q4083
2SD601A
(PB:ON)
C3066
0.1
B10
B11
6
7
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
A4
A5
A6
A7
R3018
R4002
15K
10K
2.5
0
C3047
80
79
0.1
(GL)
R3038
2200
4.9
81
TANK
C3046
1
0
82
(GC/GCS)
COLOR
R
DET
1.3
LEVEL
(3.3)
DETECTOR
83
P
5.2
84
ENVDET
HPF
C5006
C5005
C5001
0.1
6V100
0.01
2.4
B6
85
2.4
SP2
B5
86
C5002
0.01
2.4
B4
87
SP1
88
C5003
2.3
0.01
(0)
B3
89
2.3
(0)
SP2
B2
90
C5004
2.3
0.01
(0)
B1
91
SP1
5.2
92
R4061
C4041
330K
50V4.7
0.5
93
C4061
0.01
2.5
94
SP ON
R4062
LB4077
10K
0
PREAMP
2.5
95
LB4078
REC ON
0
2.5
96
C4063
C4064
50V3.3
1800P
EP ON
0
97
2.6
REC
98
EQ
99
C4018
6V22
2.6
100
IC3001
1
2
HA118425AF
0
0
R4017
R4016
R4011
56K
47K
4700
B7
B8
NV-VP31GL/GC/GCS
LUMINANCE & CHROMINANCE/AUDIO SECTION SCHEMATIC DIAGRAM
8
9
A8
TW3001
C3042
50V4.7
0
2.8
2.3
2.7
2.8
78
77
76
75
74
B-Y
INVERT
CR DET
COME
MESECAM
DET
DET
CH2
SP2
REC
MUTE
CH1
SP1
VCA
EXT
INT
SP
SP2
CH2
SP
CH1
EXT
INT
SP1
FH
TRAP
R
P
VCA
DET
BAND
GAP
3
4
5
6
7
0
5.2
2.1
2.6
2.8
C4010
C3062
35V10
35V10
R4012
15K
B9
10
11
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