8
.
3
.
CAM Tuner
Close to Mstar IC
Close to Mstar IC
Close to Tuner
Close to Tuner
Vout=VFB*(1+Ra/Rb)
VFB=1.25V
RB=0.7K~5Kohm
Rb
Ra
measure current
SIF trace > 15 mil
IF trace 15 mil ,Cover GND 12mil,GAP 6mil
TV_IN+
TV_IN-
SIF_IN-
IF+
IF-
SDAT
SCLK
ATV-CVBS
SIF_OUT
IFAGC
IF_TP
Tuner-AFT
SIF_Q-C
SIF_Q-E
TUNER-SAR2
SIF
CAM_Tuner-5V
ATV_CVBS
30VTU
30VTU
SIF_Q-B
RFAGC1
CVBS+
Tuner-5V
Tuner-5V
Tuner-5V
30VTU
Tuner-5V
5VIF
30VTU
+5V_General
+
C502
100uF/16V
R504
47K
I106
FP6736S5PTR SOT23-5/SMD
1
2
3
4
5
SW
GND
FB
SHDN
V_IN
R502
NC
R514
NC/75R
R506
10R 0603
R509
820R 0603
C511
100nF
R125
274K1% 0603
+
C138
1u/50V/(4.7u)
C505
100nF
R515
47R
R508
47K
C508
22pF
C140
100nF
L112
10uH
C512
NC/680pF
R510
47R
R503
100K
R127 11K5 1% 0603
Q502
MMBT3904
1
3
2
R586
NC/2K2
R588
0R
C504
1nF
C514
100nF
I501
DTVS205EH201A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
NC
NC
NC
NC
NC
NC
RF_AGC
NC
NC/VT
IF(+)
IF(-)
IF_AGC
IF_TP
SCL
SDA
GND
TU 5V
NC
AFT
SIF OUT
CVBS OUT
GND
GND
GND
GND
GND
GND
GND
GND
+
C137
470u/16V
R501
100K
R587
NC/0
+
C168
470u/16V
C507
100nF
R511
0R
R513
1K 0603
Q501
NC/MMBT3904
1
3
2
R505
10R 0603
C141
100nF/0603
C501
100nF
C561
NC
+
C159
1u/50V
C503
100nF
C513
NC/330pF
C510
NC
D103 SR36
C506
10nF/0603
L113
NC
C509
100nF
R591 0R
R507
47R
L502
600R/1.5A 0805
R512
62R
L501
0R 0805
C142
100nF/0603
TV_IN+
6
TV_IN-
6
SIF_IN-
6
6
IF-
3
IF+
3
T_SCL
3
T_SDA
3
IFAGC
3
TUNER-SAR2 6
5VIF
2
+5V_General
2,3,8,10,15
Tuner-5V
3
RFAGC1
3
ViewSonic Corporation
67
VT2430-1M
Confidential - Do Not Copy
Содержание VS12335-1M
Страница 50: ...2 Choose model number the 3 Press ENTER key ViewSonic Corporation 47 VT2430 1M Confidential Do Not Copy...
Страница 51: ...4 Press F4 key and Input bar code ViewSonic Corporation 48 VT2430 1M Confidential Do Not Copy...
Страница 55: ...3 Press ENTER key 4 Press F4 key ViewSonic Corporation 52 VT2430 1M Confidential Do Not Copy...
Страница 84: ...9 PCB Layout Diagrams 9 1 MAIN PCB TOP VIEW ViewSonic Corporation 81 VT2430 1M Confidential Do Not Copy...
Страница 85: ...9 2 MAIN PCB BOTTOM VIEW ViewSonic Corporation 82 VT2430 1M Confidential Do Not Copy...
Страница 86: ...9 3 CON PCB TOP VIEW ViewSonic Corporation VT2430 1M Confidential Do Not Copy 83...
Страница 87: ...9 4 CON PCB BOTTOM VIEW ViewSonic Corporation VT2430 1M Confidential Do Not Copy 84...
Страница 88: ...9 5 POWER PCB TOP VIEW ViewSonic Corporation 85 VT2430 1M Confidential Do Not Copy...
Страница 89: ...9 6 POWER PCB BOTTOM VIEW ViewSonic Corporation 86 VT2430 1M Confidential Do Not Copy...
Страница 90: ...10 Exploded View And Exploded Parts List ViewSonic Corporation 87 VT2430 1M Confidential Do Not Copy...
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