Sony STR-ZA1000ES Service Manual page 82

STR-ZA1000ES/ZA2000ES/ZA3000ES
• IC Block Diagrams
– AUDIO Board –
IC200, 2500 BD00IC0WHFV-GTR
6 5
OCP
SOFT
START
+
TSD
1 2
IC250 BD34701KS2
39 38
GSM
Main
Sub
SBLIN
40
SBRIN 41
42
SLIN
Mode
SRIN 43 selector
CIN 44
45
SWIN
46
FLIN
FRIN 47
48
GND
ADC
FR
ADCR 49
Volume Volume
ADCL
50
GND 51
52
CHIP
1 2
82
4
3
37 36 35 34 33 32
GSM GSM GSM GSM GSM GSM
Mode
selector
FL SW C SR
Volume Volume Volume
Logic
3 4 5 6 7
31 30 29 28 27
GSM GSM GSM GSM GSM
Mode Mode
selector selector
SL SBR SBL
Volume Volume Volume
8 9 10 11 12 13
26 GND
INR7
25
INL7
24
23 INR8
INL8
22
GND
21
20 GND
Rec
19 RECR
18 RECL
GND
17
GND
16
15 SUBR
SUBL
14