43
3) TUNER
NC
NXP_DIF1_LG
C246
R210
0R05 1/10W 5%
Parts
SMD/0402
NC
GND
1,2,4,5,6,7,8,9,10,11,12,13,14
AVSS33_DIG
AV33
SMD/0402
AVDD25_IFADC
FAT_IN-
AS_TUNER
C212
100N 16V
C226
100N 16V
NXP_DIF2
TU202
NC/TUN-TDTW-S710D
1
2
3
4
5
6
7
17
18
19
20
8
9
10
11
12
13
14
15
16
NC
NC
GND
+B
RF AGC
GND
SDA
TH1
TH2
TH3
TH4
SCL
MOPLL AS
DIF+
DIF-
IF AGC
SIF
NC
Audio
Video
C226
FB201
220R/2000mA
1
2
C243
10N 16V
R222
75 OHM +-5% 1/10W
ROUTE SYMMETRICALLY
CVBS0P
10
+5V_T
LG
+5V_T2
AVSS33_SIF
R235
NC/0R05 1/16W
C242
10N 16V
AVDD33_DIG
AS_IF
AS_TUNER
+
C202
100uF 10V
C215
100N 16V
Brand
NXP_DIF2
C237
4.7UF 10V
C227
IF_AGC_LG
AVDD25_IFADC
R235
+5V_TUNER
AVSS25_IFADC
0R
C217
100N 16V
BEAD
+5V_T
+5V_TUNER
2
IF_AGC
R225
0R05 1/10W 5%
Others
SMD/0402
330R
SCL
AVDD25_IFADC
RF_AGC_Tuner
C207
10N 16V
RF_AGC_5362
R205
200R 1/16W 5%
MT5362-PBGA470
U400B
AA22
Y23
E24
F24
E25
F25
R25
T25
T26
V22
U23
T24
P25
V23
U24
P26
AA24
AB25
AB26
Y22
W22
AVSS33_DIG
AVDD33_DIG
IF_AGC
TUNER_CLK
RF_AGC
TUNER_DATA
VIN_ATV
VIP_ATV
VINDC
DVSS25_IFADC
AVSS25_IFADC
AVSS25_IFADC
AVSS25_REF
DVDD25_IFADC
AVDD25_IFADC
AVDD25_REF
AF
SIFP
SIFN
AVSS33_SIF
AVDD33_SIF
C216
10U 10V
ATV_CVBS_OUT
NXP_DIF2_LG
C234
4.7UF 10V
C245
AV25
2
AVSS33_DIG
NXP_DIF2
FB206 120R/500mA
1
2
R206
200R 1/16W 5%
R233
75R 1/16W 5%
MPX0P
TUNER_SCL1
DFAT_IN-
IF_AGC_LG
C210
47NF16V
R203
NC/0R05 1/10W 5%
AVSS25_IFADC
FB208
120R/500mA
1
2
AVSS25_IFADC
RF_AGC_Tuner
+
C222
470uF 10V
R228
R227
0R05 1/16W
R204
NC/0R05 1/10W 5%
AV25
TP200
1
+5V_T3
SMD/0402
ATV_MUX_IN
R231
NC/0R05 1/16W
TU201
NXP FQD1116ME
25
26
1
2
3
4
5
6
7
8
9
10
11
12
13
15
27
28
16
17
18
19
20
21
22
24
23
14
TH1
TH2
RF_IO
AntPwr
GND
NC
RF_AGC
GND
+5V_TUN
VT
GND
NC
AS_TUNER
SCL
SDA
IF_AGC
TH3
TH4
DIF1
DIF2
NC
+5V IF
SIF1
SIF2
NC
CVBS
AS_IF
NC
AV33
AV25
R201
0R05 1/10W 5%
Q200
MMBT3904
3
1
2
CVBS0P
NXP_DIF1
C218
10U 10V
NXP
0R
NC
C224
100P 50V
R231
ATV_MUX_IN
9
RF_AGC_Tuner
Q201
MMBT3904
3
1
2
DVSS25_IFADC
R202
4K7 1/10W
Near Tuner
C235
100N 16V
C245
3.3pF
SMD/0402
R200
0R05 1/10W 5%
NC
C208
10N 16V
FB204
120R/500mA
1
2
R236
0R05 1/10W 5%
3.3P
100N
AVDD33_SIF
RF_AGC_5362
R230
0R05 1/16W
R2
1
5
10
K 1/
10W
5
%
AV33
VINDC
C236
1uF 16V
C227
100N 16V
SMD/0402
C231
4.7UF 10V
FB206
Tuner
Yes
MPX0_TUN
R219
75 OHM +-5% 1/10W
NC
+5V_T3
R221
75 OHM +-5% 1/10W
ROUTE SYMMETRICALLY
SMD/0402
C204
10N 50V
C221
1UF 6V3
+5V_MUX
9
RF_AGC_5362
5
IF_AGCT
R234
10K 1/10W 5%
SCL
R220
75R 1/10W 1%
C223
NC/15P 50V
AV25
SIF
R224
NC/0R05 1/10W 5%
NC
+5V_TUNER
+5V_T
SCT1_AVO_GND
TUNER_CVBSN
FB207
120R/500mA
1
2
C225
100P 50V
C211
47PF 50V
MPX0_GND
SMD/0402
SMD/0402
NXP_DIF1
TU201
+5V_T3
SDA
FAT_IN-
NXP_DIF1
C244
47N 16V
+5V_T2
RF_AGC
R218
100R 1/16W 5%
R209
NC/100K OHM 1/16W
+
C200
47uF 25V
CVBS0N
ATV_MUX_IN
FB200
120R/500mA
1
2
R225
DVSS25_IFADC
AVSS25_IFADC
R232
0R05 1/16W
MPX0P
NEAR 5362
C233
1uF 16V
SMD/0402
100P
Close to NXP tuner
NC
TUNER_CVBS
FB209
120R/500mA
1
2
0R
DVDD25_IFADC
+5V_T
+5V_TUNER
IF_AGC
NXP_DIF2_LG
R228 330 OHM 1/16W
AS_IF
NXP_DIF1
+5V_MUX
DVDD25_IFADC
NXP_DIF1_LG
TUNER_SDA1
+5V_MUX
DFAT_IN-
Close to
MT5336
SMD/0402
330R
0R
MPX0N
R217
10 OHM +-5% 1/10W
C230
1uF 16V
R207
4K7 1/10W
+5V_T
+5V_TUNER
+5V_T3
TUNER_CVBS
R
213
33K
O
H
M
+
-5%
1/
10
W
CVBS0N
10
TUNER_SDA1
NXP_DIF2
C229
100N 16V
SIF
NC
TUNER_SCL1
C238
100N 16V
C214
4.7UF 10V
NC
AV33
2,5,10,11,12,13,14
AVDD33_SIF
R211
4K7 1/10W
SMD/0402
CVBS0P
C213
1uF 16V
100N
SDA
C203 100N 16V
C232
100N 16V
C209 100N 16V
R214
10 OHM +-5% 1/10W
TU202
R236
R204,R214,R216,R220
C203,C222
Q200
AVDD33_DIG
TUNER_CVBS
C246
NC/100P 50V
NC
MPX0N
R216
75R 1/10W 1%
FB203
120R/500mA
1
2
AVCVBS0
R223
NC/0R05 1/10W 5%
Close to
Tuner
NC
R227
ATV_CVBS_OUT
R212
NC/100K OHM 1/16W
Philips
C201
100N 16V
NC
SCT1_AVO_GND
1,2,4,5,6,7,8,9,10,11,12,13,14
GND
AVSS33_SIF
CVBS0N
Summary of Contents for LT42A1
Page 31: ...31 6 PCB Layout 6 1 Main Board 715G3431 1 ...
Page 32: ...32 ...
Page 33: ...33 6 2 Power Board 715G3351 1 ...
Page 34: ...34 ...
Page 35: ...35 ...
Page 36: ...36 715G3358 2 ...
Page 37: ...37 6 3 Key Board 715G3293K01001004S 6 4 IR Board 715G3478R01002004M ...
Page 39: ...39 8 Block Diagram ...
Page 63: ...63 10 Exploded View ...