Ssb: Main Tuner & Oob Tuner (B2B) - Philips BP2.2U Service Manual

Circuit Diagrams and PWB Layouts
SSB: Main Tuner & OOB Tuner
1T04 A2 2T02 D3 2T07 G7 2T11 D2 2T15 G5 2T19 H7 2T24 B6
1T41 C6 2T04 C7 2T08 A7 2T12 F7 2T16 H6 2T20 B3 2T25 B6
1T44 G9 2T05 F5 2T09 B2 2T13 B2 2T17 A5 2T21 H6 2T27 H5
2T01 B2 2T06 F5 2T10 F6 2T14 G6 2T18 A6 2T23 H5 2T28 G7
1 2
MAIN TUNER + OOB TUNER
B2B
MAIN DIG TUNER C0
1T04
TD1316O/FGHP
TUNER
A
18
19
IT27
B
FT08
C
IT04 IT05
FT04
D
E
F
G
H
8204 000 8426.4
1 2
BP2.3U AA
2T35 B2 2T51 C8 3T02 D3 3T06 C7 3T10 C2 3T25 H4 5T46 G8 5T50 B5
2T43 B9 2T53 C10 3T03 F5 3T07 C7 3T11 C3 5T42 C5 5T47 F6 5T51 B6
2T45 C8 2T58 B3 3T04 F5 3T08 F5 3T12 B4 5T44 G9 5T48 F7 5T53 C7
2T48 C10 2T98 D8 3T05 F5 3T09 B4 3T13 B4 5T45 B3 5T49 B2 7T00 A6
3 4 5 6
7T00
LD1117DT
IT00
3
+8V6-SW
IN OUT
COM
17
+5VTUN 1
16
IT06 5T50 5T51
+5V
IT09 IT26
3T12
7T12
BC847BW
4K7
FT01
AT56
1T41
1
I O
14
IGND OGND
AT57
2
6
GND GND
11
X7351P
44M
IT01 IT02
7T43
UPC3220GR
IT30 2T14
1
2T15 10n
IT03
2
AT48
10n 2T16
5
2T27 10n AT49
6
10n 2T21
13
2T23 10n
12
10n
3 4 5 6
7. EN 45
7T12 B4 AT41 C7 AT46 G8 AT51 C10 FT01 B3 FT05 F6 FT09 C8
7T41 C8 AT43 C7 AT47 H8 AT52 C10 FT02 F6 FT06 D2 FT41 B8
7T43 G6 AT44 G10 AT48 H6 AT56 C5 FT03 G7 FT07 A7 IT00 A6
9T04 B8 AT45 H10 AT49 H6 AT57 C5 FT04 D3 FT08 B2 IT01 F5
7 8 9
FT07
2
+5VTUN
+5VTUN
IT25
+5V-OOB
2T45
AT41
7T41
10n
UPC3218GV
2 INPUT1 OUTPUT1
7
2T51
8
3
AT43 10n
INPUT2 OUTPUT2
4
FT09
9
3T06
13 4 VAGC
AGC CONTROL
1K0
+5V-OOB
+5V-OOB
IT07 IT08
FT02
FT05
FT03
Φ
VAGC
VCC
CATV
OUT OF BAND 2T28 AT46
15
1 1
TUNER
1T44
AGCIN 10n
1
2 MIXOUT I O
14
AT47
2T19 IGND OGND
16
1 2
2
OSCIN 10n
10 6
2 1 GND GND
11
1 AMPOUT
X7351P
AMPIN
44M
9
2 2
GND
7 8 9
IT02 F5 IT06 B3 IT25 B6 IT29 B3
IT03 G6 IT07 F8 IT26 B4 IT30 G5
IT04 D2 IT08 F8 IT27 B2
IT05 D3 IT09 B4 IT28 B2
10 11 12
2T48 AT51
7 FAT-ADC-INP-MAIN
10n
2T53 AT52
6
FAT-ADC-INN-MAIN
10n
AT44
5T44
7
AT45
8
4
9
13
10 11 12
13
B2B
A
B
C
D
E
F
G
H
F_15400_020.eps
260405
13