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R
:TO POWER SUPPLY/RF SECTION
S :TO SYSTEM CONTROL & SERVO SECTION
H
A :TO Hi-Fi AUDIO SECTION
R
PS 5V
S
PAL EP
H
S
D.A REC
H
S
ET REC
H
A1
S
MUTE
H
A2
A
AUDIO OUT (N)
A3
G
A
AUDIO IN (N)
A4
R
TUNER AUDIO (N)
A5
S
TRACKING ENV.
A6
S
HEAD SW
A7
P5001
(TO CYLINDER UNIT)
LP/EP R
1
A8
LP/EP COM
2
A9
LP/EP L
3
A10
SP R
4
A11
SP COM
5
A12
SP L
6
A13
F
GND (HA)
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
S
BIAS
L
P4002
(TO A/C HEAD)
AUDIO ERASE IN
1
E
GND (NA)
2
A.HEAD (R)
3
A14
A.HEAD (W)
4
CTL HEAD (-)
5
CTL HEAD (+)
6
S
CTL HEAD (+)
S
CTL HEAD (-)
S
SHORT DET
L
S
FULL ERASE
H
S
V.EE
L
A15
P4003
(TO FULL ERASE HEAD)
D
FULL ERASE GND
1
FULL ERASE IN
2
R
BIAS 5V
S
S-VHS
H
C
LB4005
J0JBC0000070
A
GND (A)
R
GND
R
GND (HA)
B
R
GND (HA2)
R
GND (SYS)
S
LP
H
A
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
VIDEO MAIN SIGNAL PATH IN REC MODE
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
0
(4.9)
T4002
EQQ7QF026P
R4081
C4018
7500
220P
3
4
0.4
2
(4.5)
R4082
0.4
C4019
3300
Q4002
(-0.7)
0.15
1
6
2SD602A
(OSC)
C4021
4700P
L4002
68u
C4020
C4022
10V47
0.022
0.3
(4.8)
5.0
Q4001
(4.3)
2SB710A
(BIAS
L
:ON)
R4087
C4023
R4086
4700
10V22
6800
5.1
R4088
C4024
4700
16V10
T4001
EQQ7QF025P
3
4
0.3
2
(4.8)
R4091
C4029
0.3
6800
Q4006
0.022
(-1.1)
1
6
2SD602A
(OSC)
C4027
2200P
C4026
0.022
L4003
68u
C4028
6V47
0.3
(5.1)
R4090
4700
5.1
Q4005
(4.2)
2SB710A
(FULL ERASE
C4025
R4089
DRIVE)
10V22
6800
5.1
5.0
QR3005
4.8
UN2113
(VHS:ON)
0
QR3003
UN2213
(VHS:ON)
1.2
R3005
L3002
3300
82u
4.8
QR3007
(0)
UN2211
4.8
(PB:ON)
QR3006
UN2113
0.1
(PB:ON)
(4.9)
4.7
(0.2)
R3512
1K
B1
B2
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
AUDIO MAIN SIGNAL PATH IN REC MODE
A16
A17
5.1
C4017
QR4005
100P
UN2111
(D.A.REC
:OFF)
H
5.2
(-22.6)
QR4003
XN1215
IC3002
0
(PAL EP
H
:ON)
C1AB00001340
(0.8)
R4084
Q4003
4700
2
1.3
2SD1149
0
0.7
(PB:ON)
3
(-22.8)
0
1.2
4
(-13.7)
R4085
0
2200
Q4004
5
2SD601A
0.7
(PB:ON)
1
(-22.8)
C3513
4.7
2.0
16
15
GND
L
IC3502
M52065FP
H
1
2
2.0
0.1
(4.9)
C3521
4.7
C3517
0.1
5.0
Q3007
2.9
2SD601A
(AMP)
2.2
C3058
150P
R3051
L3013
R3053
R3054
0
56
0
180u
R3055
C3057
560
47P
B4
5
6
7
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
A20
A21
A22
C3041
C3040
4.7
4.7
3.0
3.0
6
5
4
GND
L
H
VCC
1
2
3
0.1
2.3
5.1
(4.9)
L3009
0
R3035
C3043
C3044
0
16V10
0.1
C3518
L3019
L3018
0.01
0
0
C3510
C3515
C3512
4.7
4.7
4.7
2.0
4.9
4.8
2.0
2.0
14
13
12
11
10
9
VCC
GND
H
L
H
L
GND
3
4
5
6
7
8
2.0
2.0
2.0
4.7
2.0
(0.2)
C3511
4.7
R3022
3900
C3508
270P
C3509
4.7
R3511
R3510
R3513
R3509
1200
390K
390
1K
3.1
2.1
3.6
Q3502
14
13
2.5
2SB709A
(AMP)
SUB EMPHASIS
IC3501
AN3293S
LOGIC
1
2
0.1
0
(4.9)
B5
B6
B7
NV-HS880EG/B/EC/EE
LUMINANCE & CHROMINANCE/AUDIO SECTION SCHEMATIC DIAGRAM
8
9
R3503
L3017
R3074
C3063
1200
0
0
0
R3076
1.7
Q3501
0
1.2
2SB709A
(AMP)
C3505
R3506
R3505
C3504
270P
3300
3300
270P
R3508
C3506
R3507
470
C3503
R3504
82P
1K
220P
1500
2.1
2.1
2.1
3.6
(2.9)
(2.9)
(2.9)
12
11
10
9
8
GND
SP
LP
PB
REC
VCC
3
4
5
6
7
5.0
3.4
3.2
5.0
2.8
C3501
C3502
R3501
4.7
4.7
2200
C3507
C3516
R3502
6V47
0.1
1500
10
11
12
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