ViewSonic N2201w-1M - Page 57

ViewSonic Corporation Confidential - Do Not Copy N2201w-1M
54
MAIN PCB CIRCUIT DIAGRAM
TUNER CIRCUIT DIAGRAM
AFT
T_AFT
AFT
T_SCL
T_SDA
IF+
DIF_M
SIFM
SIFP
T_IF_AGC
DIF_P
SIF
IF-
ATV-Vin+
TUNER-CVBS
ATV-Vin-
T_SDA
T_SCL
5V_TU
5V-IF
5V-IF
5V_TU
5V-IF
+5V
+5V
Tuner_+30V
+12V
ATV-Vin+ 7
ATV-Vin- 7
T_AFT 7
DIF_M 6
DIF_P 6
T_SDA 6
T_SCL 6
SIFM 7
SIFP 7
T_IF_AGC 6
POWER FOR TUNER
Place close to MSD119L
Place close to MSD119L
Place close to TUNER
+30V Tune Voltage
DTVS205FL201 NC
DTVS205EH201 USED
Vin
1
GND
2
Vout
3
U9 BA05U9 BA05
+
CA17
100uF/16V
+
CA17
100uF/16V
D73
Zener/30V
D73
Zener/30V
R366
510
R366
510
L66
0
L66
0
1
2
3
4
5
6
U48
AIC1896
U48
AIC1896
C286
0.1uF
C286
0.1uF
C291
330p
C291
330p
R120
22_2W
R120
22_2W
C275
0.1uF
C275
0.1uF
L64
NC/FB
L64
NC/FB
L65
0
L65
0
C279 10nC279 10n
R465
22K
R465
22K
R379
10K
R379
10K
NC
1
NC
2
NC
3
NC
4
NC
5
NC
6
RF_AGC
7
NC
8
VT
9
IF(+)
10
IF(-)
11
IF_AGC
12
IF_TP
13
SCL
14
SDA
15
GND
16
TU 5V
17
NC
18
AFT
19
SIF OUT
20
CVBS OUT
21
GND
22
GND
23
GND
24
GND
25
GND
26
GND
27
GND
28
GND
29
U38
DTVS205FL201
U38
DTVS205FL201
C290 47nC290 47n
R371
2.2K
R371
2.2K
C288 0.1uFC288 0.1uF
1
3
2
E B
C
SOT
23
Q24
3904
E B
C
SOT
23
Q24
3904
C353
10uF
C353
10uF
C289 100nC289 100n
C361
10uF
C361
10uF
R460
1M
R460
1M
R370
47
R370
47
C294 22pC294 22p
L8
33uH_CDRH6D38
L8
33uH_CDRH6D38
R373
47
R373
47
L67 FBL67 FB
C293
0.1uF
C293
0.1uF
C337 NC/22pC337 NC/22p
R464 560KR464 560K
R372
47
R372
47
C295 22pC295 22p
C284 10nC284 10n
+
CA28
100uF/35V
+
CA28
100uF/35V
+
CA18
100uF/16V
+
CA18
100uF/16V
C283
1n
C283
1n
R363 1KR363 1K
L26 FBL26 FB
C354 1nC354 1n
C300
0.1uF
C300
0.1uF
D72 SK34D72 SK34
+
CA37
0.1uF/50V
+
CA37
0.1uF/50V
R382
10K
R382
10K
R367 220R367 220
R386 560KR386 560K
C280 10nC280 10n
C282
1n
C282
1n
+
CA9
100uF/16V
+
CA9
100uF/16V
+
CA34
100uF/16V
+
CA34
100uF/16V
R3641K R3641K
R376
10K
R376
10K
L81
330uH
L81
330uH
C352 0.1uFC352 0.1uF
R368 220R368 220
C292
330p
C292
330p
C276
0.1uF
C276
0.1uF
C285 0.1uFC285 0.1uF
R375
47
R375
47
R374
1K
R374
1K
+
CA14
10uF/16V
+
CA14
10uF/16V
R3651K R3651K