Sony STR-DH100 Service Manual page 27

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• IC Block Diagrams
IC700 STK350-530T-E (MAIN BOARD) (1/3)
PROTECTOR
PRE
REG DRIVE
DRIVE
1 2 3 4 5
IC400 BD3474KS2 (MAIN BOARD) (1/3)
60 59
TE
L 13942296513
GND 61
FRIN2 62
FLIN2 63
SRIN2 64
SLIN2 65
SWIN2 66
CIN2 67
RECR5 68
RECL5 69
GND 70
Rec
RECR1 71
RECL1 72
RECR2 73
RECL2 74
RECR3 75
SW2
Volume
RECL3 76
RECR4 77
RECL4 78
GND 79
GND 80
1 2
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BIAS CIRCUIT
PRE
DRIVE
DRIVE
6 7 8 9 10 11 12 13 14 15
58 57 56 55 54 53 52 51 50 49 48
Mode Mode
Selector Selector
C SW1 SL SR
Volume Volume Volume Volume
Logic
5 6 7 8 9 10 11 12 13
3 4
x ao
y
i
8
47 46 45 44 43 42 41
Q Q
3 6 7 1 3
40 INL2
39 INR2
38 INL1
37 INR1
36 GND
SUB1L
35
Mode
34 SUB1R
Selector
33 GND
32 ADCR
31 ADCL
30 GND
29 FRIN1
28 FLIN1
27 SRIN1
26 SLIN1
FL FR
Volume Volume
25 SWIN1
24 CIN1
Tone Tone
23 SW2IN
22 N.C
21 GND
14 15 16 17 18 19 20
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2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
STR-DH100
9 9
2 8 9 9
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