Philips 26HFL3350D/10 Service Manual page 75

Circuit Diagrams and PWB Layouts
SSB: Main Tuner
1T04 D2 1T75 B5 2T47 G8 2T5B B9 2T62 F5 2T66 G14 2T73 G13 2T78 F13
1T55 C5 1T85 G13 2T51 F13 2T5C B10 2T63 H11 2T67 F1 2T74 F14 2T79 E11
1T65 D5 2T03 H8 2T59 E2 2T5D B7 2T64 E12 2T71 F1 2T75 G14 2T80 G10
1T70 D5 2T46 F10 2T5A B8 2T60 F14 2T65 H11 2T72 G2 2T77 H11 2T81 G10
1 2 3
MAIN TUNER
B03A
A
B
C
1T04
* I...C ADRESS C0
TD1716F
D TUNER
RF-IN
14 13
MT MT
15 12
IT01
IT06
IT09 IT7C
IT12 IT7A
E IT7B
IT13
IT14
F
G
H
I
3139 123 6417.2
1 2 3
Q522.2HE LA 10.
2T82 H10 2T87 F9 2T96 F13 3T25 G9 3T40 G10 3T55 H10 3T5B B7
2T83 H10 2T91 E3 2T97 G11 3T36 F2 3T41 G14 3T56 F13 3T5C B8
2T84 E12 2T92 H12 2T98 I9 3T37 F3 3T42 G9 3T57 F13 3T5D B9
2T85 H14 2T93 F5 3T24 G8 3T39 G13 3T54 G10 3T5A B7 3T5E B9
4 5 6
RESERVED
RES
* 1T75
1 4 IF-FILTP1
IN O1
10 5 IF-FILTN1
ISWI O2
2
IGND
6
IF-FILTN2
3 NC 7 IF-FILTP2
8 GND
OFWK6274K
38M
1T55
*
1 5
IF-FILTN1
I O1
2 4
IF-FILTP1
IGND O2
3
GND
X6768M
37M67
* 1T70
1 5 IF-FILTN2
I O1
2 4 IF-FILTP2
IGND O2
3
GND
X6778M
36M18
RES
1T65
*
1 4
IF-FILTN3
I O1
2 5
IF-FILTP3
IGND O2
3
GND
X6874D
36M125
AT62
5T54 +5V-TUN
30R
2T62
100n
AT63
2T93
IT89
22u
TUN-AGC
4-MHz
IT90
9T59
SDA-TUNER
9T60
SCL-TUNER
IT91
RES 9T62 SDA-SSB-MUX2
RES 9T65 SCL-SSB-MUX2
4 5 6
EN 75
3T5F C8 3T74 H10 3T86 F10 5T61 F4 7T57 E11 9T59 F5 9T66 F14 9T6A G14
3T64 E13 3T75 H10 3T87 F10 5T63 A10 7T5A B7 9T60 G5 9T67 F14 9T6B G14
3T70 I9 3T76 E13 5T53 E12 7T20 G9 7T5B B9 9T62 G5 9T68 F13 9T70 H8
3T71 I8 3T85 I9 5T54 E5 7T56 I9 9T57 G7 9T65 G5 9T69 G13 AT62 E4
7 8 9 10
+5V
+12VD
7T5B
IT5A
PHD38N02LT
1
FT5B
2T5A
3T5C 3T5D
22n 1K0 1K0
FT5C
IHC6
2
3T5E
10K
AT64
IF-N 3T86
AT65
IF-P 3T87
ITAC
9T57
TUN-AGC
3T40
V1
IT21
3T54
IT02 ITAA 3T42
3T24
330R 330R
470R
7T20
3T55
BC847BW IT95
5K6
3T74
470R
3T75
TUN-AGC 9T70
RES 1K8
TUN-AGC-MON
FT76
CVBS-TER-OUT
V1
3
7T56
3T70
1
FT56 IT19
3T71 100R
2
CVBS4
IT20 BC847BW
68R
7 8 9 10
2010-Jun-30
AT63 F4 FT57 H13 FT77 F11 IT02 G8 IT13 E2 IT21 G9 IT70 E12 IT75 H10
AT64 F9 FT5B B8 FT78 G11 IT06 E2 IT14 E2 IT23 G13 IT71 E13 IT76 H13
AT65 F9 FT5C B9 IHC6 B8 IT09 E2 IT19 I9 IT28 E14 IT73 G10 IT77 H10
FT56 I8 FT76 H8 IT01 E2 IT12 E2 IT20 I9 IT5A B8 IT74 G11 IT7A E3
11 12 13
+5V-TUN
+5V-TUN
IT70
V1
3T76
7T57 3K3
IT71
TDA9898HL/V2
3T64
RES
14
ITAE VP 2K2
2T46
Φ RES
45 IC 39
OPTXTAL
2T96
10n 100p 2T78
IF IT92
2 46
FREF
18 PROCESSING
100p
3T57
35 23
NC SDA
3T56 100R
100R 37 24
SCL
42 32 100R
BVS
25
ADRSEL
26
A
100R 27 OUT1 6
B A
IF1 7 RES 2T51 10n
B
FT77
29 9T68
A
30 OUT2 9
B A
IF2 10 RES 2T73
10n
FT78 B
47 9T69
TAGC
31 3
AUD A
33 IF3 4
CVBS B
12 17 IT23
1 FILI
4K7 16 MPP
2 EXT
21
FMI
15
EXTFILO
36 3
AGCDIN O
IT73 2T80 220n IT74
13
VIF
RES
2T81 IT93
19
3T39
FM LF
IT86 150R
47p 2T97 38 11 SFSKA
2T82 SYN1 TOP2
100n 1
SYN2
2n2
IT94
IT96 8 28
CTAGC CAF1
IT97 5
IT77 FT57
CIFAGC IT76
2T83
34
CAF2
4n7
20
IT75 CDEEM
GND GNDD GNDA
I...C ADRESS 86
11 12 13
IT7B E3 IT90 F4 IT94 H10 ITAA G9
IT7C E3 IT91 G4 IT95 H10 ITAC G9
IT86 G11 IT92 F13 IT96 H11 ITAD G14
IT89 F4 IT93 G11 IT97 H11 ITAE F11
14 15
B03A
A
B
C
D
IT28
E
4-MHz
SDA-SSB
SCL-SSB F
9T66
RES 2T60
10n IF-FILTP1
IF-FILTN1
9T67
RES 2T74 10n
IF-FILTP2
IF-FILTN2
RES 9T6A
RES 2T75
10n IF-FILTP3
RES 2T66 10n
IF-FILTN3
RES 9T6B
G
RES
1T85
ITAD
3T41
1
I
150R
2
GND
4M5
RES
TDA-IF-AGC
H
I
I_18010_014.eps
020608
14 15