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IC BLOCK DIAGRAM & DESCRIPTION
IC100 LA9703WLS-MPB (READ CHANNEL)
PREF
RFOP
SREF
1
CAP
2
VCC
3
PDRF
4
PD1
5
PD2
6
PD3
7
PD4
8
GND
9
FIN1
10
FIN2
11
PIN1
12
PIN2
13
TIN1
14
TIN2
15
LDD1
16
LDS1
64
CAN
63
VCC
62
CAO
61
RFP
60
N/C
59
RFN
58
57
FSET
56
GND
55
54
RFON
53
N/C
52
LPC
51
50
PHC
49
BCAI
17
18
LDS2
19
GND
20
LDTH
21
LDON1
22
LDON2
23
AGOF
24
BCA
25
GU
26
DVD/CD
27
DPD/TE
28
WO/PP
29
VCC
30
TH
31
XHTR
32
SGC
LDD2
+
-
PH
BH
PH
EQ
DPD
BPF
48
SREFI
47
PH
46
BH
45
ISET
44
WOC
43
PPN
42
PP
41
WO
40
TE
39
FE
38
RREC
37
CP
36
TEBL
35
FEBL
34
FC
33
BST
APC
APC
LPF2
LPF1
LPF2
LPF1
VCC
VCC
GU
AG0F
AG0F
PREF
FC BST
DVD/CD
1K
1K
47K
47K
47K
47K
6P
6P
47K
47K
680
680
LDON2
LDON1
CDTH
TEBL
TEBL
LDTH LDON1
LDON2
AGOF
BCA
GU
DVD/CD DPD/TE WO/PP VCC
TH
XHTR
SGC
TEBL
FEBL
FC
BST
SREFI
SREF
270P
4.3K
SREF
FEBL
1K
1K
FEBL
PREF
PREF
SREF
SREF
23K
23K
87P
87P
1K
1K
SREF
76K
76K
10P
10P
SGC
GU
SGC
GU
SGC
GU
SGC
GU
SREF
SREF
TH
BCA
280K
58K
30KHZ
200KHZ
30KHZ
200KHZ
DPD/TE
XHTR
XHTR
SREF
XHTR
WO/PP
3P
150K
370B
DCOUT
BCA
BCA
IC101,102 KTC801U (Switching Transister)
Q1
Q2
1
6
2
5
3
4
IC471,472 KRX191U (Driver)
Q1
Q2
1
5
2
3
4
IC211 TA8176SN (FM Front End)
MIXER
Buffer
Amp
Buffer
Local
Buffer
BIAS
AGC DET
IF
5
1
2
3
7
8
9
4
6
10
11
12
AGC
BY-PASS
RF IN
OSC
OSC
BUFFER
OUT
RF OUT
MIX IN
MIX OUT
IF OUT
Vcc
Vcc
Vcc
GND
FM/TV SW