Philips 42PF9731D Service Manual page 174

EN 174 9. BJ2.4U/BJ2.5U LA
9.16.2 Diagram B2A, NXT2003 (IC 7TG0)
Block Diagram
Smart Antenna
(CEA 909)
Pin Configuration
FAT_VREF_N
FAT_VREF_P
FDC_VREF_P
FDC_VREF_N
Circuit Descriptions, Abbreviation List, and IC Data Sheets
IF In A/D
text
Sense
RF Gain
AGC
text
IF AGC
RF AGC
IF In A/D
text
FDC
AGC
text
AGC
FDC
LO
Tuner
Control
GPIO
AGND 1
DVDD_PLL
2
AVDD_PLL
3
DGND
4
AGND 5
6
7
FAT_INCM
8
FAT_INP 9
FAT_INN 10
AVDD_FAT 11
AVDD_FAT
12
AVDD_FAT
13
AGND 14
AGND 15
AGND 16
VDD1.2 17
VDD2.5
18
DGND 19
128-pin LQFP
DGND
20
AGND 21
(14 x 20 x 1.4 mm)
AGND 22
AGND
23
AVDD_FDC 24
AVDD_FDC
25
AVDD_FDC 26
FDC_INN 27
FDC_INP
28
FDC_INCM 29
30
31
VDD1.2 32
DGND
33
AGND 34
FS_OUTP
35
FS_OUTN 36
DGND 37
FDC_AGC
38
Figure 9-30 Internal block diagram and pin configuration
FAT VSB/QAM
FEC
text text
Demodulator
32K x 8
text
SRAM
FDC QPSK
text
Demodulator
µC
text
Freq
text
Synth
I2C
text
Slave
NXT2003
MPEG
Transport
BERT
text
FDC
Receive
Data Out
2
I C
Compatible
Interface
102 GPIO_11
GPIO_12
101
DGND
100
GPIO_13
99
98 VDD1.2
97 DGND
DGND
96
DGND
95
94 DGND
93 MPEG_DATA_0
92 VDD3.3
MPEG_DATA_1
91
MPEG_DATA_2
90
89 DGND
88 MPEG_DATA_3
87 MPEG_DATA_4
86 DGND
VDD2.5
85
84 VDD1.2
MPEG_DATA_5
83
82 DGND
81 DGND
DGND
80
79 /POWER_RESET
VDD3.3
78
77 MPEG_DATA_6
76 DGND
MPEG_DATA_7/SER_DATA
75
74 MPEG_DATA_EN
DGND
73
72 MPEG_PKT_SYNC
71 VDD1.2
MPEG_CLK
70
69 VDD3.3
MPEG_ERR
68
67 GPIO_6
66 DGND
GPIO_7
65
F_15400_128.eps
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