THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
CHB_TUNER_CN
CI_OUTDATA[1]
CI_OUTDATA[7]
MAIN_FE_TS_VAL_ERR
CI_OUTDATA[0]
MAIN_FE_TS_DATA[2]
CI_OUTDATA[4]
CI_OUTCLK
CI_OUTVALID
CI_OUTDATA[2]
MAIN_FE_TS_SYNC
MAIN_FE_TS_DATA[4]
CI_OUTDATA[5]
CI_OUTSTART
MAIN_FE_TS_DATA[6]
MAIN_FE_TS_DATA[3]
MAIN_FE_TS_DATA[0]
MAIN_FE_TS_DATA_CLK
MAIN_FE_TS_DATA[5]
CI_OUTDATA[6]
MAIN_FE_TS_DATA[7]
MAIN_FE_TS_DATA[1]
CI_OUTDATA[3]
MAIN_FE_TS_SYNC
MAIN_FE_TS_VAL_ERR
MAIN_FE_TS_DATA_CLK
MAIN_FE_TS_DATA[0]
MAIN_FE_TS_DATA[1]
MAIN_FE_TS_DATA[2]
MAIN_FE_TS_DATA[3]
MAIN_FE_TS_DATA[4]
MAIN_FE_TS_DATA[6]
MAIN_FE_TS_DATA[5]
MAIN_FE_TS_DATA[7]
R1407
22
TU_SIF
MAIN_FE_TS_DATA[0-7],MAIN_FE_TS_SYNC,MAIN_FE_TS_VAL_ERR,MAIN_FE_TS_DATA_CLK
R1406
22
Q1401
ISA1530AC1
E
B
C
+3.3V_TU
+1.2V_TU
R1405
22
R1415
100
Q1404
2SC3052
E
B
C
SCL0_3.3V
R1412
22
TU_CVBS
R1403
22
R1414
0
Q1405
ISA1530AC1
E
B
C
R1413
22
R1428
4.7K
R1418
33
R1411
22
C1412
18pF
50V
C1402
0.1uF
16V
C1407
0.1uF
16V
R1421
0
R1416
100K
R1424
2.2K
R1410
22
C1414
0.01uF
25V
Q1402
ISA1530AC1
E
B
C
C1400
100pF
50V
SDA0_3.3V
C1405
100pF
50V
C1404
0.1uF
16V
TUNER_RESET
+5V_TU
C1408
0.1uF
16V
C1411
0.1uF
16V
R1431
82
+3.3V_TU
C1403
0.1uF
16V
R1419
33
C1406
100pF
50V
L1400
BLM18PG121SN1D
+5V_TU
R1427
10K
+5V_TU
R1409
22
R1408
22
C1413
18pF
50V
R1420
0
+5V_TU
RF_SWITCH_CTL
R1429
10K
LNA2_CTL/BOSTER_CTL
R1402
0
R1422
200
R1425
200
R1430
470
R1404
22
MAIN_FE_TS_DATA[0-7],MAIN_FE_TS_SYNC,MAIN_FE_TS_VAL_ERR,MAIN_FE_TS_DATA_CLK
AR1400
22
AR1402
22
C1415
0.1uF
Q1406
2SC3875S(ALY)
E
B
C
/CI_SEL
001:F8
IC1400
74LVC16244ADGG
26
4A3
27
4A2
28
GND_5
29
4A1
30
4A0
31
VCC_3
32
3A3
33
3A2
34
GND_6
35
3A1
36
3A0
37
2A3
38
2A2
39
GND_7
40
2A1
41
2A0
42
VCC_4
43
1A3
44
1A2
45
GND_8
46
1A1
47
1A0
48
2OE
17
3Y4
3
1Y1
6
1Y3
16
3Y2
15
GND_3
14
3Y1
13
3Y0
12
2Y3
11
2Y2
10
GND_2
9
2Y1
8
2Y0
7
VCC_1
4
GND_1
5
1Y2
25
3OE
24
4OE
23
4Y3
2
1Y0
22
4Y2
21
GND_4
1
1OE
20
4Y1
19
4Y0
18
VCC_2
+3.3V_TU
CI_OUTCLK,CI_OUTDATA[0-7],CI_OUTSTART,CI_OUTVALID
R1435
47K
+3.3V_TU
C1425
0.1uF
AR1401
22
C1426
0.1uF
R1440
4.7K
C1416
0.1uF
R1437
10K
SCL2_3.3V
R1453
22
R1450
33
+5V_TU_CHB
C1431
10pF
50V
C1434
0.1uF
16V
TU_CVBS_CHB
Q1408
ISA1530AC1
E
B
C
C1432
10pF
50V
R1455
22
C1435
100pF
50V
+5V_TU_CHB
SDA2_3.3V
C1439
100pF
50V
C1433
0.1uF
16V
R1446
200
R1447
200
FE_TS_VAL_ERR_CHB
R1458
0
+1.2V_TU_CHB
C1446
0.1uF
16V
Q1407
ISA1530AC1
E
B
C
C1436
100pF
50V
C1437
0.1uF
16V
FE_TS_CLK_CHB
RF_SWITCH_CTL_CHB
FE_TS_SYNC_CHB
R1452
22
R1449
33
SC1_CVBS_IN
R1448
200
R1456
22
OPT
R1444
75
1%
+3.3V_TU_CHB
R1445
200
FE_TS_DATA_CHB
R1460
0
+5V_TU_CHB
R1454
22
TUNER_RESET_CHB
IF_AGC_SEL
R1474
0
C1443
22uF
10V
+3.3V_TU
C1442
0.1uF
16V
+5V_NORMAL
L1402
BLM18PG121SN1D
C1422
22uF
10V
L1405
BLM18PG121SN1D
C1424
22uF
10V
C1419
0.1uF
16V
C1421
0.1uF
16V
+5V_TU_CHB
C1417
0.1uF
16V
C1444
22uF
10V
C1420
0.1uF
16V
+5V_TU
+3.3V_NORMAL
L1404
CIC21J501NE
+3.3V_TU_CHB
C1423
22uF
10V
C1441
0.1uF
16V
C1445
22uF
10V
R1471
100
C1463
0.1uF
16V
TUNER_RESET_CHB
+3.3V_TU
C1447
0.1uF
16V
C1449
10uF
10V
R1480
0
1/10W
IC1401
SC4215ISTRT
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
C1448
0.1uF
16V
C1427
0.1uF
16V
C1429
10uF
10V
R1434
0
1/10W
IC1403
SC4215ISTRT
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
C1428
0.1uF
16V
+1.2V_TU
+1.2V_TU_CHB
+3.3V_TU_CHB
+12V
R1491
100pF
50V
OPT
IC1402
AOZ1073AIL
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
R1497
0.1uF
16V
R1488
4.7K
1%
R1487
27K
1%
L1407
3.6uH
NR8040T3R6N
R1477
10uF
25V
R1476
10uF
25V
L1408
CIC21J501NE
R1489
10K
1%
R1492
22uF
10V
R1485
2200pF
R1495
0.1uF
16V
R1481
9.1K
R1484
10K
L1406
+3.3V_TU
R1432
9.1K
1608
R1478
9.1K
1608
R1479
5.1K
1608
R1433
5.1K
1608
POWER_ON/OFF2_2
C1401
100uF
16V
TU1501
TDFD-C055D [MAIN]
CN_CHB_MAIN_NIM
1
CTR1[SUB]
2
CTR2[MAIN]
3
+B1[5V]
4
NC[RF_AGC]
5
BST_CTR
6
SCLT[A_DEMOD]
7
SDAT[A_DEMOD]
8
NC[IF_TP]
9
SIF
10
NC
11
VIDEO
12
GND
13
1.2V
14
3.3V
15
RESET
16
2.5V[LS_IC]
17
SCL[D_DEMOD]
18
SDA[D_DEMOD]
19
ERR
20
SYNC
21
VALID
22
MCL
23
D0
24
D1
25
D2
26
D3
27
D4
28
D5
29
D6
30
D7
31
SHIELD
TU1502
TDFD-C075D [SUB]
CN_CHB_SUB_NIM
3
+B1[5V]
4
NC[RF_AGC]
5
BST_CTR
6
SCLT[A_DEMOD]
7
SDAT[A_DEMOD]
8
NC(IF_TP)
9
SIF
10
NC
11
VIDEO
12
GND
13
1.2V
14
3.3V
15
RESET
16
2.5V[LS_IC]
17
SCL[D_DEMOD]
18
SDA[D_DEMOD]
19
ERR
20
SYNC
21
VALID
22
MCL
23
D0
24
D1
25
D2
26
D3
27
D4
28
D5
29
D6
30
D7
31
SHIELD
R1461
0
MODEL_OPT_5
CHB_Booster_IN
CHB_Booster_CTL
Q1410
ISA1530AC1
E
B
C
R1464
10K
CHB_Booster_IN
R1462
0
R1465
10K
C1430
0.01uF
25V
Q1409
2SC3052
E
B
C
R1463
2.2K
L1409
BLM18PG121SN1D
+5V_NORMAL
CHB_Booster_CTL
R1401
0
OPT
close to TUNER
close to TUNER
Close to the tuner
27
MAIN
SUB
Close to the tuner
close to TUNER
BUFFER FOR MAIN TS_OUTPUT
TUNER FOR CHB_CHINA
POWER BLOCK
Vo=0.8*(1+R1/R2)
R2
R1
Vo=0.8*(1+R1/R2)
R2
R1
R1
Vout=(1+R1/R2)*0.8
R2
2A
3A
+3.3V_Normal
Summary of Contents for INFINIA 47LE8500
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