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1
PAL007A
sw_vcc
A
B
PML009A
SEL_out_L
Tone_out_FL
SV_in_FL
Tone_out_RL
C
SV_in_RL
Tone_out_PreL
SV_in_PreL
Front_out_L
Rear_out_L
D
62
1
2
+ -
+ -
+ -
+ -
1
9
2
3
4
5
6
7
8
44
43
42
Isolator
1
Source Gain
adjuster
Primary
2
PV_in_L
Volume
3
Anti Radiation
4
Filter
Anti Radiation
Filter
5
6
7
8
0.5dB shift volume
Secondary
Mute
Volume
9
AGND_L
Secondary
Mute
Volume
10
Secondary
Mute
Volume
4_order_LPF
Mic_Amp
11
with fc=12Hz
12
13
14
KEH-P7020R
2
3
amp_vcc
+ -
16 17
10 11
12 13
14 15
41
40
39
38
37
36
Treble
Middle
Anti
Loudness
Alias
Filter
Treble_2
HPF
Bass_2
Zero Cross
detector
Anti Radiation
Filter
Digital Block
15
16
17
18
19
20
3
4
+ -
+ -
+ -
sw_vcc
stby
24 25
18 19
20 21
22 23
35
34
33
SEL_out_R
Bass
32
PV_in_R
Volume
ASL
31
Tone_out_FR
30
SV_in_FR
29
Tone_out_RR
28
SV_in_RR
27
Tone_out_PreR
26
SV_in_PreR
LPF
Phase control
25
AGND_R
24
Front_out_R
Rch Block
(same as Lch)
23
Rear_out_R
21
22
4
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