STR-ZA1000ES/ZA2000ES/ZA3000ES
82
• IC Block Diagrams
– AUDIO Board –
IC200, 2500 BD00IC0WHFV-GTR
IC250 BD34701KS2
4
5
6
2
1
3
VOUT
FB
GND
VCC
N.C.
EN
+
SOFT
START
OCP
TSD
40
41
42
43
44
45
46
47
49
50
52
CHIP
ADCL
ADCR
FRIN
FLIN
SWIN
CIN
SRIN
SLIN
SBRIN
SBLIN
INR1
38
INL1
37
INR2
36
INL2
35
INR3
34
INL3
33
INR4
32
INL4
31
INR5
30
INL5
29
INR6
28
INL6
27
INR7
25
INR8
23
INL8
22
GND
GND
SUBR
15
SUBL
14
GND
39
GSM
GSM
GSM
GSM
GSM
GSM
GSM
GSM
48
GND
51
GND
DGND
2
DA
3
CL
4
VEE
5
OUTFR
6
OUTFL
7
OUTSW
8
OUTC
9
OUTSR
10
OUTSL
11
OUTSBR
12
OUTSBL
13
VCC
1
Logic
FR
Volume
FL
Volume
SW
Volume
C
Volume
SR
Volume
SL
Volume
SBR
Volume
SBL
Volume
Mode
selector
Mode
selector
Mode
selector
Mode
selector
ADC
GND
20
GND
21
GSM
GSM
GND
26
GSM
GSM
GSM
GSM
GSM GSM
GSM GSM
GSM
GSM
GSM
GSM
Main
Sub
Rec
RECL
18
RECR
19
GSM
GSM
INL7
24
17
16