Sony STR-ZA1000ES Service Manual page 83

IC251 BD3471KS2
80 79 78 77 76 75 74
GND 1
ADC
SUB1
2
HPFN
LPF01 3
LPF02 4
LPFN2 5
LPFN1 6
SWVOL 7
VCC 8
9
DGND
DA 10
LOGIC
CL 11
VEE 12
OUTFR 13
14
OUTFL
EQ
OUTSW 15
OUTC 16
17
OUTSR
OUTSL 18
19
OUTSBR
20
OUTSBL
SUB2
21 22 23 24 25
73 72 71 70 69 68 67
FR
VOLUME
FL
VOLUME
SW
VOLUME
C
VOLUME
SR
VOLUME
SL
VOLUME
SBR
VOLUME
SBL
VOLUME
SWITCH
SWITCH
SWITCH
26 27 28 29 30 31 32
STR-ZA1000ES/ZA2000ES/ZA3000ES
66 65 64 63
SWITCH SWITCH
SWITCH SWITCH SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
33 34 35 36
62 61
SWITCH SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
REC
SWITCH
SWITCH
SWITCH
37 38 39 40
60 INR3
59 INL3
58 INR4
57 INL4
56 INR5
55 INL5
54 INR6
53 INL6
52 INR7
51 INL7
50 INR8
49 INL8
48 INR9
47 INL9
46 INR10
45 INL10
44 INR11
43 INL11
42 INR12
41 INL12
83