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6
TO MAIN IX
AUDIO
106
AUDIO
105
22/6.3V
TP4001
C4001
5
TO MAIN I
AUDIO RESET(L)
17
AUDIO MUTE(H)
64
AUDIO DELAY REC(H)
63
AUDIO REC(L)
61
4
TO MAIN VII
AUDIO EE(H)
108
AUDIO FADE CONTROL
109
SLP(H)
110
3
TO MAIN IX
REG +4.5V
101
TO MAIN VII
2
TUNER(H)
278
1
UNLESS OTHERWISE SPECIFIED;
PNP TRANSISTORS IS 2SA1576A106R,
NPN TRANSISTORS IS 2SC4081T106R AND
WATTAGE OF RESISTORS IS 1/16W.
A A A
B
C4002
Z
R4062
33K
R4046
1K
Q4002
IMZ1T108
(AUDIO MUTE)
R4008
22K
R4061
2200
R4009
22K
R4010 220
R4012
C4007
16K
1
R4011
Q4003
560
R4013
(PB-ON)
C4009
22K
8200P
R4014
3300
Q4004
(PB-ON)
R4015
3300
SWITCHING
Q4010
L4001
DELAY REC
2SB1585
220
ON-ON
R4031
22K
R4034
22K
Q4009
R4032
2200
C4025
SWITCHING
1
DELAY REC
Q4008
ON-ON
C4024
2SD2432(R)
0.022
(BIAS)
R4033
2200
C
R4024
10K
Q4011
C4041
(FADE CONTROL)
0.1
R4002
R4006
C4004
1M
TP4004
100K
10/6.3V
R4007
R4004
1500
12K
C4005
22/6.3V
R4005
33K
C4006
22/6.3V
8
7
6
5
4
3
2
1
MUTE
BIAS
BIAS
-OFF
PB
ALC
9
32
ALC
DET
10
31
PB-ON
REC
LINE
11
30
AMP
REC
12
VCC
29
AMP
REC-ON
SP-ON
13
28
PB
FILTER
14
27
AMP
15
26
SLP
16
25
-ON
C4008
SLP
0.027
H
L
GND
-ON
17
18
19
20 21
22
23
24
R4023
IC4001
C4020 47P
BA7757BK
REC/PB
C4011
Z
PROCESS
1/16V
C4010
220P
C4012
1500P
C4023
R4030
6800P
68
C4021
1000P
4
3
R4027
C4022
2
15K
4700P
6
1
R4029
R4028
Z
T4001
4700
EQQ6QT001T
C4026
22/6.3V
R4035
100
D
E
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
REC AUDIO SIGNAL
PB AUDIO SIGNAL
R4022
22
Z
Z
C4028
R4001
3300
Q4007
(FADE CONTROL)
D4001
MA111
R4025
6800
R4060
0
C4016
C4015
3.3/50V
1
R4059
C4042
R4018
R4058
10K
Z
R4019
6800
C4017
22/6.3V
C4018
R4020
0.01
330K
R4021
1200
C4019
4.7/10V
TP4003 TP4002
C4013
2200P
R4016
R4017
10
18K
R4063
1K
D
C4043
1
R4064
R4065
390
47K
G
F
COMPARISON CHART
OF MODELS & MARKS
MODEL
MARK
PV-L750
A
-----
B
PV-L780
C
PV-L850
D
Not Used
Z
TO MAIN I
65
TALLY LED ON(H)
67
IR DATA
66
IR +5V
TO MIC/IR UNIT
FP11
FJ4301
GND
13
12
REC AUDIO
11
REG +4.5V
FLAME GND
10
9
LIGHT GND
LIGHT GND
8
7
SW UNREG
6
SW UNREG
TALLY LED ON(H)
5
R4037 560
4
TALLY LED GND
GND
3
2
IR +5V
1
IR DATA
D4002
MA3120WA
(12V)
TO MAIN II
171
AUDIO HEAD
172
AUDIO HEAD
173
AUDIO HEAD
174
AUDIO ERASE HEAD
175
GND
176
GND
177
CONTROL ERASE HEAD
C4027
0.1
TO MAIN IX
103
SW UNREG
104
LIGHT GND
TO MAIN IV
272
TUNER AUDIO
LSJB8026
H
I
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