Panasonic PV-L452 Service Manual page 141

MAIN VIII (AUDIO) SCHEMATIC DIAGRAM
TO M I
TO M IX
TO M VI
TO M IX
TO M II
TO M II
TO M II AUDIO_REC_PB_CTL
TO M II
TO M II
TO M I
REC AUDIO SIGNAL PB AUDIO SIGNAL
MIC_OUT
AUDIO_REG_4.5V
SPK_EVR
SPK_4.5V
A/V-DREC_H
R4037 47K
AUDIO-MUTE-H
AUDIO_RESET
SPK_ON_L
AUDIO_OUT
R4053
82K
Q4007
2SB970
R4031
22K
R4032
2200
Q4008
2SD1819A
R4034
R4033
22K
C4007
2200
1[KB]
37 VREF_OUT
38 AchOUT
39 Ach-
40 Ach+
41 4VREG
42 VCC
C4020
PT
43 REG_C
C4019
44 EVR_Ach
1[KB]
45 EVR_Bch
46 VREF IN
47 SP_EVR
L4002 100U
48 VCC_SP
C4016
22/6.3V
R4002 R4003 R4006 18K
10K 1500
C4011
TP4001
4700P
C4015 R4055
0.1 0
T4001
EQQ7QE025Q
R4030
68
L4001
220U
4
R4029
C4005
4700
6800[KB]
6
Q4006
2SD602-R
C4006
C4008
0.022[KB]
22/6.3V
C4024
PT
C4028
10/6.3V
C4027
0.015
C4023
4.7/6.3V
R4041 R4042 C4025
2200 100K PT
C4026
C4032
R4040
0.1
1[KB]
0
36 35 34 33 32 31 30 29 28 27
IC4001
AN12998A-V
1 2 3 4 5 6 7 8 9
10
C4002 1[KB]
C4012 0.01[KB]
R4007
10K
3
C4003
1000P[KB]
2 C4004
4700[JC]
1
R4045
330
Q
2
C4029 C4031 R4026
PT 1200P 33K
C4030
4.7/6.3V
26 25
R40
27
24
EE/PB
23
EP/SP
R4047 C403
PT PT
22
GND
21
HSW_DRIVE
R4050
39K
20
REC/PB
R4056
R4051
10K 10K
DELAY
19
18
REC_OUT
17
REC NF
16
VCC_CTL
15
MON_OUT
R4013
100K
14
PB_CTL
13
CTL+
R4012
100K
11 12
R4011
10K
143