Sony STR-KM2 Service Manual page 49

IC300 BD3470KS2 (MAIN BOARD (3/4))
60 59 58
61
INL2
62
INR2
63
INL1
64
INR1
65
AGND
66
SBLIN1
67
SBRIN1
Mode
68
SLIN1
selector
69
SRIN1
70
CIN1
71
SWIN1
72
FLIN1
73
FRIN1
74
AGND
ADC
ADCR 75
FR
Volume
76
ADCL
77
AGND
Sub1
78
SUB1R
79
SUB1L
80
AGND
1 2 3
IC501 STK350-630TS-E (MAIN BOARD (1/4))
IC601, IC701 STK350-630TS-E (MAIN BOARD (2/4))
IC801 STK350-630TS-E (MAIN BOARD (1/4)) (KM3)
MUTE
1
2
+VOUT1
3
-VOUT2
4
COMP1
5
57 56 55 54 53 52 51 50
Mode
selector
FL SW C SR
Volume Volume Volume Volume
EQ
Logic
4 5 6 7 8 9 10
15 14 13
6 7 8 9
49 48 47 46 45 44 43
Multi2
Multi1
Mode Mode
selector selector
SL SBR SBL
Volume Volume Volume
11 12 13 14 15 16 17 18
12
+VOUT1
11 -VOUT2
10
COMP2
STR-KM2/KM3
42 41
40 AGND
39 FRIN2
38
FLIN2
37 SWIN2
36
CIN2
35
SRIN2
34
SLIN2
33
SBRIN2
32
SBLIN2
31
AGND
Rec
30
RECR1
29
RECL1
28
RECR2
27
RECL2
26
RECR3
25
RECL3
Sub2
24
RECR4
23
RECL4
22
AGND
21
AGND
19 20
49