Main Viii (Audio) Schematic Diagram - Panasonic Palmcorder VHSC PalmSight PV-L759 Service Manual

MAIN VIII (AUDIO) SCHEMATIC DIAGRAM

6
TO MAIN IX
AUDIO 106
AUDIO 105
C4002
22/6.3V
TP4001
Z
C4001
TP4005
5
TO MAIN I
AUDIO MUTE(H) 64
AUDIO DELAY REC(H) 63
AUDIO REC(H) 61
AUDIO DET 62
4
AUDIO RESET(L) 68
TO MAIN VII
AUDIO EE(H) 108
AUDIO FADE CONTROL(H) 109
SLP(H) 110
3
TO MAIN IX
AUDIO +8.6V 102
REG +4.5V 101
2
R4031
R4034
C4025
1
1
UNLESS OTHERWISE SPECIFIED;
PNP TRANSISTORS IS MSB1218A(R),
NPN TRANSISTORS IS MSD1819A(R),
DIODES IS MA110 AND
WATTAGE OF RESISTORS IS 1/16W.
A A A B
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
R4008
22K
R4061 R4062
2200 33K
Q4002
XN4601
(AUDIO MUTE) Q4014
(BUFFER)
R4002
100K
R4046
R4007 R4004
1K
1500 12K
R4005
33K
MUTE
-OFF
9
10
11
REC
12
AMP
R4009
13
22K
14
15
R4010 220
R4012 C4007
16
16K 1
C4008
R4011
Q4003 0.027
560
R4013
(PB-ON)
C4009 R4023
22K
IC4001
8200P
R4014
BA7757BK
3300
REC/PB
Z
PROCESS
Q4004
(PB-ON)
R4015
3300
SWITCHING
Q4010
DELAY REC L4001
C4023 R4030
2SB1585
220
ON-ON 6800P 68
22K
R4029
22K
Q4009 4700
R4032
2200
SWITCHING
DELAY REC
Q4008 C4026
ON-ON
C4024
MSD602(R) 22/6.3V
0.022
(BIAS)
R4033
2200
R4035
100
C D
REC AUDIO SIGNAL
R4056
IC4003
22K
NJM2125F-TE1
R4047
(AUDIO DETECT)
10K
Q4013
1 VCC 5
AUDIO
R4048
R4052
2 DETECTOR
10K
D4004
4700
3 4
GND C4040
R4053
C4039 D4003
1/50V
150K
1
C4037
C4038
1
68P
R4057 R4050 R4049
3300 6800 120K
R4055
47K
R4024
R4022 22
Z
10K
Q4011
C4041
(FADE CONTROL)
0.1
Q4007
(FADE CONTROL)
R4006 C4004
TP4004
1M 10/6.3V
D4001
C4005
R4025
22/6.3V
6800
C4006
22/6.3V
R4060
8 7 6 5 4 3 2 1 0
BIAS
C4015
BIAS
1 R4059
PB
ALC
32
ALC
DET C4042
R4058
31
PB-ON
REC
LINE
Z
AMP 30
VCC
29
REC-ON
SP-ON
28
PB
FILTER 27
AMP
C4017
26
22/6.3V
C4018
SLP
0.01
25
-ON
SLP
GND -ON
17 18 19 20 21 22 23 24
C4020 47P
TP4003 TP4002
C4011 C4013
C4010
1/16V 2200P
220P
C4012 R4016 R4017
10
1500P 18K
C4021
1000P
4 3
R4027
C4022
2
15K
4700P
6 1
R4028
Z
T4001
EIQ6QB008T
E F
COMPARISON CHART
OF MODELS & MARKS
MODEL MARK
PV-L759
PV-L779
PB AUDIO SIGNAL
PV-L859
Not Used
R4054
15K 65 TALLY LED ON(H)
67 IR DATA
66 IR +5V
TO MIC/IR UNIT
FP11
FJ4301
1 GND
2 REC AUDIO
R4036
Z
C4028 R4001 REG +4.5V
3
0
3300
FLAME GND
4
LIGHT GND
5
LIGHT GND
6
7 SW UNREG
8 SW UNREG
9 TALLY LED ON(H)
R4037 560
10 TALLY LED GND
11 GND
12 IR +5V
13 IR DATA
C4016
D4002
3.3/50V
MA3120WA
R4018
10K
R4019
6800
R4020
330K
R4021
1200
C4019
4.7/10V
171 AUDIO HEAD
172 AUDIO HEAD
173 AUDIO HEAD
174
AUDIO ERASE HEAD
175 GND
176 GND
177 CONTROL ERASE HEAD
C4027
0.1
103 SW UNREG
104 LIGHT GND
G
H
3-12
A
B
C
Z
TO MAIN I
TO MAIN II
TO MAIN IX
VJBW1635
I