Vitek 2013 Schematic
MIC1
MIC
C904
+12VA
22N
-12VA
84
U901A
3
MC4558
C902
680P
R904
56K
C903
22N
1
+5VA
R905
R925
R1
1K
MDET
10K
4.7K
Q903
C1815
DET
C1
100U/16V
2
L901
1
3.3uH
2
3
4
MGND
L903
FB400
R901 10K
C901
1n5
R903
1K
JP1
1
LEVEL1
2
LEVEL2
3
4
5
C919
100U
+5VA
R918
MDET
C920
C924
0.1U
6
5
C923
0.1U
330P
U901B
MC4558
R921
82K
R923
47R
R924
47R
C922
47U/16V
7
DET
MIC
C905
5600P
R908
5.6K
R909
10K
R910
10K
R913 15K
R915
10K
R916 15K
C906
1U
C908
R912
1U
4.7K
R914
C911
6.8K
103
C912
5600
C915
1
2
3
4
5
6
7
104
U902
HT8970/PT2399
LPF1-IN
VCC
LPF1-OUT
REF
LPF2-OUT
AGND
LPF2-IN
DGND
OP2-OUT
CLK-O
OP2-IN
VCO
OP1-IN
CC1
CC08OP1-OUT
16
C907
560P
15
R911 10K
14
C910
13
560P
12
C913
11
104
10
9
C914
104
4.7
C918
104
C917
47U
GND
R917
10K
C916
104
LEVEL1 LEVEL2
C909
10U/10V
ECHO01
+12VA
+5VA
-12VA
R2
1K
C927
47U/16V
ECHO02
C926
0.1U
R919
10K
R920
22K
C925
100U/10V
C921
10uF/10V
R922
1K
1
2
3
4
5
6
WH121N-1-F
JP901
6PIN
MIC
D1
2.4V
D2
2.4V
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