Philips BJ2.4U Service Manual page 55

Circuit Diagrams and PWB Layouts
SSB: Channel Decoder
1T55 B6 2T34 D12 2TG3 D2 2TG9 D6 2TJ5 D7 2TK1 H7
1TG0 F12 2T55 B5 2TG4 D6 2TJ0 D6 2TJ6 D7 2TK2 H6
2T30 F2 2T56 B5 2TG5 D2 2TJ1 D7 2TJ7 E11 2TK3 H6
2T31 C13 2TG0 D6 2TG6 D6 2TJ2 D7 2TJ8 E11 2TK4 D6
2T32 D12 2TG1 C1 2TG7 D5 2TJ3 D7 2TJ9 E11 2TK5 E14
2T33 G14 2TG2 D6 2TG8 D5 2TJ4 D7 2TK0 H7 2TK6 H7
1 2 3
CHANNEL DECODER
B2A
A
2TL0
100n
ITI0
3TH0
ITH2
1K0
3TJ0
B 7TG3-2
BC847BPN
ITH4 ITH3
3TJ1 47K
7TG3-1
+3V3
BC847BPN
47K 3TJ2
8K2
+12VSW
ITI2
5T10 5TG0 FTG0
C +2V5_ATSC
+2V5A-XTAL-MAIN
5TG1 FTG1
+2V5A-FAT-MAIN
D
5TG2 FTG2
+2V5A-FDC-MAIN
FAT-ADC-INN-MAIN
5TG3 FTG3
+2V5D-PLL-MAIN
FAT-ADC-INP-MAIN
E
FDC-AGC
FDC-ADC-INN
5TG4
FTG4
FDC-ADC-INP
+2V5A-MAIN
FS-OUTN
FS-OUTP
I2C-SDA-TUNER-MAINNXT
2T30
I2C-SCL-TUNER-MAINNXT
F
IRQ-FE-MAIN
5TG5 FTG5
SEL-POD
+2V5A-PLL-MAIN
RESET-FE-MAIN
FM-TRAP
5TG6 FTG6
+2V5-MAIN
G
5TG7
FTG7
+3V3
+3V3-MAIN
5TG8 FTG8
H +1V2_ATSC +1V2-MAIN
3104 313 6145.2
1 2 3
BJ2.4U/BJ2.5U PA 7.
2TK7 H7 2TM2 E6 2TN0 G2 3T16 G14 3T19-4 F14 3T21-2 E14 3TG2 E5
2TK8 H6 2TM3 E5 2TN1 H2 3T17 G13 3T20-1 F14 3T21-3 E14 3TG3 D5
2TK9 H7 2TM4 F4 2TN3 C14 3T18 G14 3T20-2 F14 3T22 G13 3TG4 E5
2TL0 B3 2TM5 E4 2TN4 B1 3T19-1 E14 3T20-3 F14 3T23 H13 3TG5 E14
2TL7 F12 2TM7 E6 3T14 G13 3T19-2 F14 3T20-4 E14 3T24 G7 3TG6 E5
2TL9 F12 2TM8 E5 3T15 F13 3T19-3 F14 3T21-1 E14 3T26 F4 3TG8 D13
4 5 6
+1V2
7TG1
SI2306DS
FTH0
3TH9
+1V2_ATSC
47K
ITH1 ITG2 5T55 1T55
ITG1
+2V5
500mA F
RES
7TG4
SI2306DS
FTH1
3TJ4
+2V5_ATSC
47K
RES
3TH3 FTH2
3TG3 ITG8
220R
2TM2
33K
3TH5
10n
33K
3TG2 1u0
220R 2TM3
3TJ5
2TM5 3TG6 ITG9
1K0
ITI3 220R
10n
3TG4 2TM8 2TM7
1u0 10n
220R
2TM4
ITI4
10n
3TH6
+3V3-MAIN
4K7
ITG3
3T26
100R 3TH7
+3V3-MAIN ITG5
4K7
4 5 6
55
3TG9 D13 3TH7 F6 3TJ4 B4 5T55 B5 5TG5 F2 7T11-2 G14
3TH0 B3 3TH9 A4 3TJ5 E6 5TG0 C2 5TG6 G2 7TG0 D8
3TH3 D7 3TJ0 B2 3TJ6 E13 5TG1 D2 5TG7 G2 7TG1 A4
3TH4 C14 3TJ1 B1 3TJ7 E13 5TG2 D2 5TG8 H2 7TG3-1 B2
3TH5 E7 3TJ2 B2 5T10 C1 5TG3 E2 7T10 D14 7TG3-2 B3
3TH6 F6 3TJ3 B1 5T11 C14 5TG4 E2 7T11-1 G13 7TG4 B4
7 8 9 10
7TG0
NXT2003
Φ
128
BIAS_RES
8
DTV
FAT_INCM
10
CABLE AND TERRESTRIAL
N
9
FAT_IN
RECEIVER
P
6 I2C_SLAVE_ADDR
N
7 FAT_VREF
P
38
FDC_AGC
29
FDC_INCM
27
FDC_INN
28
FDC_INP
31
N
30
FDC_VREF
P
36
N
35
FS_OUT
P
119
0
120
1
118
2
116
3
115
4 MPEG_PKT_SYNC
113
5
67
6
65 GPIO
7
108
8
106
9
107
10
102
11
101
12
ITG4
99
13
79
POWER_RESET
56
UC_EN
AGND DGND
7 8 9 10
9T10 E14 FTG2 D2 FTG8 H2 IT10 C14 IT18 G13 ITG5 F6
9T11 E14 FTG3 E2 FTG9 F11 IT11 D13 IT19 G13 ITG8 D5
9TG2 F12 FTG4 F2 FTH0 A4 IT13 G14 ITG1 B6 ITG9 E5
9TG3 B4 FTG5 F2 FTH1 B4 IT14 D13 ITG2 B5 ITH1 B4
FTG0 C2 FTG6 G2 FTH2 D7 IT16 G14 ITG3 F6 ITH2 B2
FTG1 D2 FTG7 G2 FTH3 C13 IT17 G14 ITG4 G7 ITH3 B2
11 12 13
FTH3
3TH4
1K0
PCA9515ADP
I2C ADDRESS = 14/16
IT11
2T32 3TG8
6
100R
68p
IT14
3TG9
7
2T34 100R
1
68p
53 3TJ6
+3V3-MAIN
AUX_AGC
58
1K0
I2C_SCL
59 3TJ7
I2C_SDA
104
1K0
0
103
1
50
IF_AGC
1K0
70
MPEG_CLK
93
0
91
1
90
2
88
3
MPEG_DATA
87
4
83
5
77
6
75
7
SER_DATA
74
MPEG_DATA_EN
68 ITH6
MPEG_ERR
72
FTG9 2TL7
42
OSC_CLK
+3V3-MAIN
43 33p
1TG0
OSC_XTAL_IN
44
OSC_XTAL_OUT
52 9TG2 13M5
PDET_COMP_IN
49
PDET_REF_OUT
64 2TL9
POD_CRX
63
33p
POD_DRX
55 IT19
RF_AGC 7T11-1
46
BC847BPN
NC 124
IT18 3T17
10K
3T14
1K0
3T22
68R
3T23
68R
11 12 13
ITH4 B1 ITI4 F5
ITH6 F11 ITI5 E14
ITI0 B3
ITI1 C14
ITI2 C2
ITI3 E4
14 15
B2A
A
B
ITI1
AUX-IF-AGC-MAIN
C
2TN3
100n
IT10 5T11
+3V3-MAIN
7T10
VCC
SCL-DMA-BUS1-ATSC
SDA1 SDA0 3
D
SDA-DMA-BUS1-ATSC
SCL1 SCL0 2
EN 5
NC
GND
9T10 RES
9T11 RES
2TK5
E
100n
ITI5
3TG5
FAT-IF-AGC-MAIN
3T19-1 FE-CLK
68R
3T21-3 FE-DATA0
68R 3T21-2
FE-DATA1
3T21-1 68R
FE-DATA2
68R 3T20-4 FE-DATA3
68R
3T20-3 FE-DATA4
68R
3T20-2 FE-DATA5
68R
3T20-1 FE-DATA6
68R
3T19-4 FE-DATA7
68R
3T19-3 FE-VALID
68R
F
3T19-2 FE-SOP
68R
IT17
7T11-2
BC847BPN
3T16
TUNERAGC-MON
G
100K
IT16
2T33
100n
IT13
CRX-POD
DRX-POD
H
G_15930_060.eps
130606
14 15