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
R511
0R
C507
100nF
+
C138
1u/50V/(4.7u)
R510
47R
C510
NC
I106
FP6736S5PTR SOT23-5/SMD
1
2
3
4
5
SW
GND
FB
SHDN
V_IN
R509
820R 0603
R502
NC
R504
47K
C140
100nF
R506
10R 0603
R507
47R
+
C502
100uF/16V
R513
1K 0603
R514
NC/75R
C142
100nF/0603
R127
11K5 1% 0603
R512
62R
C509
100nF
R587
NC/0
L502
600R/1.5A 0805
C506
10nF/0603
C504
1nF
Q502
MMBT3904
1
3
2
R586
NC/2K2
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
C512
NC/680pF
C513
NC/330pF
R503
100K
R508
47K
L113
NC
R125
274K1% 0603
C503
100nF
+
C159
1u/50V
R591
0R
D103
SR36
L112
10uH
+
C137
470u/16V
C561
NC
R505
10R 0603
C501
100nF
R515
47R
C511
100nF
C141
100nF/0603
Q501
NC/MMBT3904
1
3
2
+
C168
470u/16V
C505
100nF
L501
0R 0805
C508
22pF
R588
0R
R501
100K
C514
100nF
TV_IN+
4
TV_IN-
4
SIF_IN-
4
4
IF-
2
IF+
2
T_SCL
2
T_SDA
2
IFAGC
2
TUNER-SAR2
4
5VIF
1
+5V_General
1,2,4,12
Tuner-5V
2
RFAGC1
2
ViewSonic Corporation
Confidential - Do Not Copy
VTMS2431
70
Summary of Contents for VS12335-2M
Page 54: ...4 Press F4 key and Input bar code ViewSonic Corporation Confidential Do Not Copy VTMS2431 51 ...
Page 58: ...3 Press ENTER key 4 Press F4 key ViewSonic Corporation Confidential Do Not Copy VTMS2431 55 ...
Page 91: ...9 2 MAIN PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy VTMS2431 88 ...
Page 93: ...9 5 POWER PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy VTMS2431 90 ...
Page 94: ...9 6 POWER PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy VTMS2431 91 ...
Page 95: ...9 7 MMS PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy VTMS2431 92 ...
Page 96: ...9 8 MMS PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy VTMS2431 93 ...
Page 98: ...ViewSonic Corporation Confidential Do Not Copy VTMS2431 95 ...