Sony STR-DH720 Service Manual page 49

IC400 BD3470KS2 (MAIN BOARD (3/4))
60 59 58
61
INL2
INR2 62
63
INL1
64
INR1
65
AGND
SBLIN1 66
67
SBRIN1
68
SLIN1
selector
69
SRIN1
70
CIN1
SWIN1 71
72
FLIN1
73
FRIN1
74
AGND
ADC
75
ADCR
FR
Volume
76
ADCL
77
AGND
Sub1
78
SUB1R
79
SUB1L
80
AGND
1 2 3
IC203 NJM2505AF (TE2) (STANDBY-A VIDEO PC BOARD)
Vout 1
5
2
GND
4
V+
3
57 56 55 54 53 52 51
Mode Mode
selector
FL SW C SR
Volume Volume Volume Volume
EQ
Logic
4 5 6 7 8 9 10
VGND
Vin
50 49 48 47 46 45 44
Multi2
Multi1
Mode Mode
selector selector
SL SBR SBL
Volume Volume Volume
11 12 13 14 15 16 17
STR-DH720/DH720HP
43 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
18 19 20
49