Panasonic Quasar PV-D300 Service Manual page 172

6
TO MAIN VII
AUDIO 106
AUDIO 105
C4002
22/6.3V
TP4001
C4001
5
Z
R4062
TO MAIN I
33K
AUDIO RESET(L) 17
AUDIO MUTE(H) 64
AUDIO DELAY REC(H) 63
AUDIO REC(L) 61
4
TO MAIN V
AUDIO EE(H) 108
AUDIO FADE CONTROL(H) 109
SLP(H) 110
3
TO MAIN VII
REG +4.5V 101
2
R4034
1
UNLESS OTHERWISE SPECIFIED;
PNP TRANSISTORS IS 2SA1576A106R,
NPN TRANSISTORS IS 2SC4081T106R,
WATTAGE OF RESISTORS IS 1/16W.
A A A B
R4046
R4007
1K
1500
Q4002
IMZ1T108
(AUDIO MUTE)
R4008
22K R4061
2200
R4009
22K
R4010 220
R4012 C4007
16K 1
C4008
R4011
Q4003 0.027
560
R4013
(PB-ON)
C4009 R4023
22K
8200P
R4014
3300
Z
Q4004
(PB-ON)
R4015
3300
C4023
SWITCHING
6800P
Q4010
DELAY REC L4001
2SB1585
220
ON-ON
R4031 22K
R4029
22K
4700
Q4009 R4032
2200
SWITCHING
C4025
1 DELAY REC
Q4008
ON-ON
C4024
2SD2432(R)
0.022
(BIAS)
R4033
2200
R4035
100
C D
R4024
R4022
10K
Q4011
(FADE CONTROL)
C4041
0.1
(FADE CONTROL)
R4002
R4006 C4004
TP4004
100K
1M 10/6.3V
D4001
MA111
R4004
C4005
12K
R4025
22/6.3V
6800
R4005
33K C4006
22/6.3V
8 7 6 5 4 3 2 1
MUTE
BIAS BIAS
C4015
-OFF
1
PB
ALC
9 32
DET ALC
C4042
10 31
PB-ON
REC
LINE
Z
11 AMP 30
REC
12 VCC 29
AMP
REC-ON
SP-ON
13 28
PB
FILTER
14 27
AMP
C4017
15 26 22/6.3V
SLP
16 25
-ON
SLP
GND -ON
17 18 19 20 21 22 23 24
IC4001
C4020 47P
BA7757BK
REC/PB
C4011 C4013
C4010
PROCESS 1/16V 2200P
220P
C4012 R4016
1500P 18K
R4030
68
T4001
C4021
EQQ6QT001T
1000P
4 3
R4027
C4022
2
15K
4700P
6 1
R4028
Z
C4026
22/6.3V
E F
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
REC AUDIO SIGNAL PB AUDIO SIGNAL
22
Z Z
C4028 R4001
3300
Q4007
R4060
0
D4002
C4016
MA3120WA
3.3/50V
R4059
R4018
R4058
10K
R4019
6800
C4018
R4020
0.01
330K
R4021
1200
C4019
4.7/10V
TP4003 TP4002
R4017
10
G
H
COMPARISON CHART
OF MODELS & MARKS
MODEL MARK
PV-D300
VM-D100
PV-L550
PV-L600
PV-L650
VM-L450
Not Used
TO MAIN I
65 TALLY LED ON(H)
67 IR DATA
66 IR +5V
68 GND
TO MIC/IR UNIT
FP11
FJ4301
GND
13
12 REC AUDIO
11 REG +4.5V
FLAME GND
10
9 LIGHT GND
8 LIGHT GND
SW UNREG
7
6 SW UNREG
5 TALLY LED ON(H)
R4037 560
TALLY LED GND
4
3 GND
2 IR +5V
IR DATA
1
(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 VII
103 SW UNREG
104 LIGHT GND
LSJB8024
I
A
B
C
D
E
F
Z