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R :TO POWER SUPPLY/RF SECTION
VIDEO MAIN SIGNAL PATH IN REC MODE
S
:TO SYSTEM CONTROL & SERVO SECTION
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
A
:TO Hi-Fi AUDIO SECTION
H
AUDIO MAIN SIGNAL PATH IN REC MODE
I
:TO INPUT/OUTPUT SECTION
D :TO DECODER SECTION
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
G
S
SYS IIC DATA
A5
S
MUTE
H
A4
S
HEAD SW
A3
S
MESECAM DET
H
A2
S
TRACKING ENV.
A1
S
A
FSC
P4002
(TO A/C HEAD)
AUDIO ERASE IN
1
GND
2
AUDIO HEAD (R)
3
AUDIO HEAD (W)
4
CTL HEAD (-)
5
F
CTL HEAD (+)
6
S
CTL HEAD (+)
S
CTL HEAD (-)
P4001
(TO FULL ERASE HEAD)
FULL ERASE OUT
1
FULL ERASE IN
2
E
R
BIAS 5V
R
GND
R
GND (SYS)
R
GND (A)
R
GND (HA)
R
GND(V)
R
GND (NA)
S
BIAS
H
D
P5001
(TO CYLINDER UNIT)
LP/EP R
1
B1
LP/EP COM
2
B2
LP/EP L
3
B3
SP R
4
B4
SP COM
5
B5
SP L
6
B6
GND (HA)
7
AUDIO HEAD L
8
C
AUDIO HEAD COM
9
AUDIO HEAD R
10
A
AUDIO HEAD R
A
AUDIO HEAD COM
A
AUDIO HEAD L
B
S
PAL EP
H
S
D.A.REC
H
D
TUNER AUDIO (N)
B7
A
AUDIO IN (N)
B8
A
AUDIO OUT (N)
B9
A
R
PS 5V
R
VIDEO 5V
NOTE:THE MEASUREMENT MODE OF THE DC VLOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
1
2
T4001
EQQ7QF024P
R4014
C4020
16K
220P
3
4
2
C3021
R4017
0.022
0.3
3300
(-0.8)
1
6
C4022
1500P
C4024
0.022
R4020
C4026
R4019
C4025
5.3
4700
16V10
6800
10V22
5.3
Q4006
(4.4)
2SB710A
(ERASE HEAD
R4018
DRIVE)
4700
0.3
5.3
(4.9)
(0)
L4002
0
QR4005
68u
(4.8)
UN2212
(BIAS
H
:ON)
C4023
10V47
C4008
25V3.3
R4003
C4004
C4003
4700P
22K
1200P
0
R4001
R4002
QR4001
3300
100K
0
UN2211
(PAL EP
H
:ON)
C4001
6V100
R4006
22K
C3071
0.1
5.0
0
R4015
0
0.7
QR4002
Q4003
4700
(4.8)
(-24.5)
UN2111
2SD114900L
(D.A.REC
H
:OFF)
(PB:ON)
5.3
0
(0)
(-15.9)
R4016
0.7
Q4004
2200
(-24.0)
2SD601A
(PB:ON)
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
A6
A1
A2
C3042
5.0
1
Q3001
2.2
2SD601A
(AMP)
1.5
C3027
50V1
R3017
1K
C5007
1.3
0.1
(3.3)
L5001
68u
C5005
C5006
0.1
6V47
C5004
0.01
B6
0.3
(4.6)
Q4005
2SD602A
B5
(OSC)
C5003
0.01
B4
C5002
0.01
B3
B2
C5001
0.01
B1
R4008
C4012
330K
50V4.7
C4011
8200P
R4007
LB4003
10K
J0JBC0000070
C4009
LB4001
6V22
J0JBC0000070
LB4002
0
R4004
220
C4006
25V4.7
C4005
6V22
IC3001
HA118425F
L4001
0
C4013
C4014
0.01
6V47
NV-HV65EC,HV60EB/EBL/EC/EP,HV55EC,HV50EC
LUMINANCE & CHROMINANCE/AUDIO SECTION SCHEMATIC DIAGRAM
6
7
A3
A4
A5
TW3001
R3009
R3010
C3028
R3011
15K
10K
50V4.7
100
2.5
0
0
2.8
2.3
2.7
2.8
80
79
78
77
76
75
74
B-Y
INVERT
4.9
CR DET
81
TANK
COME
MESECAM
0
DET
82
COLOR
R
DET
DET
LEVEL
DETECTOR
83
P
5.2
84
ENVDET
HPF
2.4
85
2.4
SP2
86
CH2
SP2
REC
MUTE
2.4
CH1
87
SP1
88
SP1
VCA
2.3
EXT
(0)
89
2.3
INT
(0)
SP2
90
SP
SP2
CH2
2.3
(0)
91
SP
CH1
SP1
EXT
INT
5.2
92
SP1
0.5
93
2.5
FH
94
TRAP
SP ON
PREAMP
2.5
95
R
P
REC ON
2.5
96
EP ON
0
97
VCA
DET
2.6
REC
98
EQ
99
2.6
100
BAND
GAP
1
2
3
4
5
6
7
0
0
0
5.2
2.1
2.6
2.8
C4016
C4017
C4018
C4019
0.1
16V10
50V1
16V10
R4013
100
R4009
R4011
R4012
R4010
33K
24K
820
10K
B7
B8
B9
8
9
10
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