Philips 32PF9968/10 Service Manual page 81

Circuit Diagrams and PWB Layouts
SSB: Main Tuner
1T04 C2 2T47 G4 2T59 F2 2T64 D5 2T82 G11 2T86 F9 2T90 F15 2T98 F11
1T05 A2 2T48 E14 2T61 E2 2T75 F2 2T83 G11 2T87 E9 2T91 F11 2T99 D13
1T06 C7 2T51 F14 2T62 E5 2T80 F11 2T84 F2 2T88 E11 2T92 H12 2TA1 F14
1T55 A7 2T53 D1 2T63 G12 2T81 G11 2T85 F14 2T89 E11 2T97 G12 2TA2 G11
1 2 3
MAIN TUNER
B03B
A
MAIN DIG TUNER C0
1T05
VA1Y9ED2002
TUNER
14 13
15 M T M T 12
B
1T04
TD1736OF/FHFXP
C
TUNER
14 13
15 12
AT62
D
FT52
V2
E
IT90
IT87
F
IT91
3T68
IT88 4K7
+3V3
7T56
BC847BW
G
7T58
PCA9515ADP
RES VCC
IT86
3 SDA0 SDA1 6
SDA-SSB-MUX2
IT85
SCL-SSB-MUX2 2 SCL0 SCL1 7
5 EN 1
NC
GND
H
9T85
9T86
3104 313 6196.2
1 2 3
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Q523.1U LA 7.
2TA3 E14 2TB5 F14 3T54 F11 3T58 F9 3T69 F2 3T74 G11 3T81 F14 5T53 D13
2TA4 D13 2TB6 F14 3T55 G11 3T59 F9 3T70 F2 3T75 G11 3T82 F14 5T54 D5
2TA5 D13 3T50 F14 3T56 E14 3T64 F10 3T71 G4 3T76 E14 3T83 G10 5T60 B7
2TB2 F3 3T53 F4 3T57 E14 3T68 F3 3T72 G4 3T77 E4 3T84 G10 5T61 D4
4 5 6 7
1T55
IF-OUT 1 4
I O1
2 5
IGND O2
FT60
3
GND
X6931D
44M
IF-FILTP3
IF-FILTN3
IF-OUT
1T06
1 4
I O1
2 5
IGND O2 ANALOGUE VIDEO
3
GND
X6767D
IF-FILTP1
IF-OUT IF-FILTN1
5T61
270n
2T64
22u
V2
5T54 +5V-ON
220R
2T62
IT89
100n
TUN-AGC
4-MHz
FT53
IT78
9T51
SDA-MUX2-BUF
3T77
9T68 TUN-TDA-SDA
RES
220R
3T53
9T67
TUN-TDA-SCL
RES
220R
IT76
9T52
SCL-MUX2-BUF
IT80
FM-TRAP-SWITCH
SDA-MUX2-BUF
SCL-MUX2-BUF
4 5 6 7
81
7T56 F2 9T51 E5 9T63 F11 9T86 H3 AT59 G14 FT56 G14 FT72 F10 IT65 F11
7T57 E13 9T52 F5 9T67 F5 AT56 F14 AT62 D3 FT57 F10 IT60 G12 IT66 G10
7T58 G3 9T57 G9 9T68 E5 AT57 F14 FT52 E2 FT60 B6 IT62 G11 IT67 G10
7T59 G10 9T62 F11 9T85 H3 AT58 F15 FT53 E4 FT70 D13 IT63 G11 IT68 F14
8 9 10
ATSC
2u2
5T60
TDA-IF-IN-N
TDA-IF-IN-P
FT72
IT81
IF-N
IT82
FT57
IF-P
V1
9T57
TUN-AGC
IT66
CVBS4
3T75
7T59
BC847BW
3T83
IT67
68R
8 9 10
IT69 F14 IT75 G11 IT79 G12 IT83 G11 IT87 F2 IT91 F4 IT95 F12
IT71 E14 IT76 F5 IT80 F4 IT84 G12 IT88 F2 IT92 E14
IT73 F11 IT77 G11 IT81 F8 IT85 H2 IT89 E4 IT93 C13
IT74 F12 IT78 E5 IT82 F8 IT86 G2 IT90 E4 IT94 F12
11 12 13 14
+5V-ON
IT93
V1
FT70
7T57
TDA9897HL/V1 3T76
IT71
14
VP 3K3
18 IC Φ 39
OPTXTAL
2T48
IF
42 46
DIV FREF
2T88 PROCESSING
100p
10n 26 23
A SDA
3T56
2T89 27 OUT1 24
B SCL
10n 32 100R
BVS
29 25
IT94 A ADRSEL
30 OUT2
IT95 B
6 2T51
A
47 IF1 7 10n 2TA1
TAGC B
31
IT68
IT65 AUD
33 9
CVBS A
IF2 10 10n
B
9T63 12
TUN-AGC
1 2T85
16 MPP 3 10n
TUN-AGC-MON
2 A
IF3 4
B 2TB5
2T98
15 3K9
EXTFILO
10n
17
1n5 FILI
3T54 IT73 2T80 IT74 13
100K
VIF EXT 2TB6
330R 21
220n
2T81 FMI
IT62
19
FM LF
47p 2T97 IT84 38 36
3T55 IT63 2T82 SYN1 DIN
100n 1 37
SYN2 AGC SWI
45
8K2
3T74 2n2 IT83 VIN
20
CDEEM
2
IT60
470R IT77 2T63 1
2T83 8
CTAGC
4n7 5 TOP
IT75
2K7 100n CIFAGC
11
2
35
APCLC
28
IT79
CAF
34
APCHC
GND GNDD GNDA
11 12 13 14
15
B03B
A
B
C
D
E
IT92 2TA3
4-MHz
100p
3T57
SDA-SSB1
100R
SCL-SSB1
AT57
IF-FILTN1
IF-FILTP1
10n
AT56 2T90
IT69 F
10n
3T82
3T81 180R
IF-OUT
3T50
AT58
IF-FILTP3
IF-FILTN3
AT59
TDA-IF-AGC
FT56
G
H
H_16770_017.eps
190307
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