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MAIN PCB CIRCUIT DIAGRAM
TUNER CIRCUIT DIAGRAM
U38
U38
DTVS205FL201
DTVS205FL201
22
GND
23
1
GND
NC
24
2
GND
NC
25
3
GND
NC
26
4
GND
NC
27
5
GND
NC
28
6
GND
NC
29
7
GND
RF_AGC
8
NC
9
VT
IF+
10
IF(+)
IF-
11
IF(-)
12
IF_AGC
13
IF_TP
T_SCL
14
SCL
T_SDA
15
SDA
16
GND
17
TU 5V
18
NC
AFT
19
AFT
SIF
20
SIF OUT
21
CVBS OUT
TUNER-CVBS
5V-IF
Q24
Q24
3904
3904
R376
R376
10K
10K
AFT
R379
R379
10K
10K
T_SDA
T_SDA
T_SCL
T_SCL
ViewSonic Corporation
5V-IF
R363
R363
1K
1K
C337 NC/22p
C337 NC/22p
C279 10n
C279 10n
R367
R367
220
220
C280 10n
C280 10n
R368
R368
220
220
C295 22p
C295 22p
C294 22p
C294 22p
5V_TU
C284 10n
C284 10n
R370
R370
C285 0.1uF
C285 0.1uF
SIFP
47
47
R371
R371
2.2K
2.2K
R372
R372
C288 0.1uF
C288 0.1uF
SIFM
47
47
Place close to MSD119L
L65
L65
L66
L66
0
0
0
0
C291
C291
C292
C292
R374
R374
330p
330p
330p
330p
1K
1K
T_AFT
T_AFT
7
R382
R382
C293
C293
10K
10K
0.1uF
0.1uF
6
6
54
Confidential - Do Not Copy
N2201w-1M
C353
C353
10uF
10uF
DIF_M
DIF_M
6
DIF_P
DIF_P
6
T_IF_AGC
T_IF_AGC
6
SIFP
7
SIFM 7
R373
R373
C289 100n
C289 100n
ATV-Vin+
ATV-Vin+
47
47
R375
R375
C290 47n
C290 47n
ATV-Vin-
ATV-Vin-
47
47
Place close to MSD119L
+30V Tune Voltage
+5V
L26
L26
FB
FB
+
+
CA34
CA34
C300
C300
100uF/16V
100uF/16V
0.1uF
0.1uF
POWER FOR TUNER
+5V
L8
L8
33uH_CDRH6D38
33uH_CDRH6D38
L67
L67
+
+
+
+
CA17
CA17
CA9
CA9
L64
L64
100uF/16V
100uF/16V
100uF/16V
100uF/16V
NC/FB
NC/FB
U9 BA05
U9 BA05
+12V
R120
R120
+
+
CA18
CA18
100uF/16V
100uF/16V
22_2W
22_2W
7
7
L81
L81
330uH
330uH
D72
D72
SK34
SK34
6
1
R464
R464
560K
560K
4
3
U48
U48
AIC1896
AIC1896
R465
R465
22K
22K
R386
R386
560K
560K
C276
C276
0.1uF
0.1uF
5V-IF
FB
FB
C283
C283
C275
C275
+
+
CA14
CA14
1n
1n
0.1uF
0.1uF
10uF/16V
10uF/16V
5V_TU
C282
C282
C286
C286
C361
C361
10uF
10uF
1n
1n
0.1uF
0.1uF
Place close to TUNER
Tuner_+30V
+
+
+
+
D73
D73
CA28
CA28
CA37
CA37
R460
R460
Zener/30V
Zener/30V
100uF/35V
100uF/35V
0.1uF/50V
0.1uF/50V
1M
1M
DTVS205FL201 NC
DTVS205EH201 USED
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