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R
:TO POWER SUPPLY/RF SECTION
VIDEO MAIN SIGNAL PATH IN REC MODE
S
:TO SYSTEM CONTROL & SERVO SECTION
A
:TO Hi-Fi AUDIO SECTION
H
I
:TO INPUT/OUTPUT SECTION
T
:TO TIMER SECTION
P4003
G
(TO A/C HEAD)
AUDIO ERASE IN
1
GND
2
A.HEAD (R)
3
A.HEAD (W)
4
CTL HEAD (-)
5
CTL HEAD (+)
6
F
S
CTL HEAD (+)
S
CTL HEAD (-)
S
SHORT DET
L
S
BIAS
L
E
P4002
(TO FULL ERASE HEAD)
FULL ERASE OUT
1
FULL ERASE IN
2
S
HEAD SW
A1
D
S
H.AMP SW
A2
S
ENV. SELECT
A3
S
TRACKING ENV.
A4
S
D.REC
H
A5
S
CURR. EMPH
H
A6
R
TUNER AUDIO (N)
A7
A
FM MUTE
A8
A
AUDIO OUT (N)
A9
S
MUTE
H
A10
A
AUDIO IN (N)
A11
C
P3502
(TO CYLINDER UNIT)
LP R
1
A15
LP COM
2
A16
LP L
3
A17
SP R
4
A18
SP COM
5
A19
SP L
6
A20
GND
7
AUDIO HEAD L
8
AUDIO HEAD COM
9
AUDIO HEAD R
10
B
A
AUDIO HEAD R
A
AUDIO HEAD COM
A
AUDIO HEAD L
S
D.A.REC
H
S
PAL EP
H
A
R
BIAS 5V
R
VIDEO 5V
R
GND
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 PLAYBACK MODE
T4002
EQQ7QF024P
R4030
C4032
8200
220P
3
4
0.4
2
(4.7)
R4029
0.3
C4031
3300
Q4006
(-0.6)
0.022
1
6
2SD602A
(OSC)
C4029
1500P
L4003
68u
C4030
C4028
6V220
0.022
0.4
(4.9)
5.0
Q4005
(4.1)
2SB710
(AUDIO ERASE DRIVE)
R4028
C4026
R4027
2700
10V22
3300
5.0
R4026
4700
0(3.6)
R4009
0.7
2200
Q4001
(-23.1)
2SD601A
5.0(-23.0)
(PB:ON)
0
QR4003
(4.9)
UN2111
0
(D.A.REC
(-14.9)
H
:OFF)
R4010
0.7
5.0
2200
Q4002
(-23.1)
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
AUDIO MAIN SIGNAL PATH IN REC MODE
IC3501
AN3368SB
TW2001
2.4
HEAD SW
A1
1
A2
C3002
C3003
0
HEAD AMP SW
2
1000P
1000P
0
(2.7)
A19
3
+
C3506
LB3501
0.7
0.1
VLP0147
(2.9)
A20
4
HA4
-
H
5
GND
L
-
C3507
LB3502
0.7
0.1
VLP0147
L
(2.9)
A18
6
HA3
H
C3508
LB3503
0.7
0.1
VLP0147
(2.4)
A17
7
HA2
-
L
8
GND
H
-
C3509
LB3504
0.7
0.1
VLP0147
(2.4)
A15
9
HA1
0
(2.5)
A16
10
+
0
11
0
12
NC
0
13
NC
0
14
NC
0
15
NC
0
16
NC
0
17
NC
0
18
NC
R4001
1K
6
7
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
5.0
VCC
36
0
NC
35
DET
4.9
CMP
34
A3
DET
C3503
0.8
0.01
(3.4)
33
0
LP H
32
TW3030
C3510
0.1
1.4
ZAP
31
TW3001
R3501
2.4
L
100
(0)
30
H
CHROMA
C3511
AMP
0.1
GND
29
2.7
(1.9)
AT
28
R3503
390
3.9
(2.2)
27
A4
C3505
R3504
0.01
300
0
NC
26
0
(4.9)
REC H
25
A5
0
NC
24
0
CURR.EMPH
23
A6
0
NC
22
0
NC
21
0
NC
20
-0.4
(-0.1)
0
NC
19
0
QR4001
0
UN2212
(PAL EP H
:ON)
C4001
C4009
2200P
1
A7
A8
NV-FJ632EE
LUMINANCE & CHROMINANCE/AUDIO SECTION SCHEMATIC DIAGRAM
8
9
10
L3501
33u
C3501
C3502
6V47
0.01
B1
R3506
360
B2
B3
0
QR3502
0
UN2212
(LP
H
:ON)
LB4908
0
C4946
2200P
QR4005
UN2113
(BUFFER)
0
R4022
560
R4011
C4010
470
0.027
0
QR4002
0
UN2211
(PAL EP H
:ON)
A9
A10
A11
11
12
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