Philips SL7 Service Manual page 39

Circuit Diagrams and PWB Layouts
SL7 Mono Carrier: CPU & Decoder
1
CPU AND DECODER
A7
D
+5V
1
2
3
4
KEY
VOL
LED
MUTE
C
IF
EW
VDRB
VDRA
AGC
B
T011
Test
KEY
LED
A
IR
+5V
1
SK4.1L CA
2
D102
14148
D103
14148
C131
IC101
C122
R121 R125 R111 R126 R127
0.01uF 50V 4.7K 3.3K 10K 3.3K 3.3K
8
A0 VCC
7
A1 WP
100
R101
6
A2 SCL
R102 100
5
GND SDA
C115
3V9
ZD105
24C08 C112 C113
100pF 50V 100pF 50V C114 2.2uF 50V
100pF 50V R103
R119
R128
T111
C110
L101
SAW101 10uH
C111
C123
SAW
0.01uF 50V
C103 C135
R118 15K
C134
C121
C132 1nF 50V(OP)
0.01uF 50V
C136
C128
C129
R135
C147
1n5 100V
C145 C148
C102
R131
C108
3.3K
22nF 100V
C118
T120 T121
Test Test
R000
TEST
R182 R183 R181 R184
T012
820 3.6K 15K 24K
D180
SW180 SW181 SW182 SW183 SW184
LED VOL- VOL+ PRO- PRO+ STAND BY
M180
38KHz
1
2
R180
3
100
C180
10uF 16V
T013
2
10. EN 39
3
C150 N.C
ZD101
5V1
IC102
R107 100
1 64
STAND BY IR IN
2 63
SCL AV2
3 62
SDA AV1
4 61
AV3 VDDP(3.3V)
100uF 16V
5 60
SCART ID RESET C105 C126
100 C142 33pF 0.01uF 50V
6 59 X101
KEY XTAL OUT
33pF
15K 7 58 C117 10uF 16V
VOL XTAL IN
12MHz
C143
3.3K 8 57
LED OSC GND C124
9 56 0.01uF 50V
VSS C/P VDDC(3.3V)
10 55 C104 100uF 16V
MUTE VPE
T112
11 54
PAL/NTSC VDDA(3.3V)
R104 100
C125
12 53 0.01uF 50V
VSS A B OUT
R105 100
13 52
0.22uF 63V
DEC G OUT
R106 100
14 51
VP2(8V) R OUT
R116 27K
R112 10K
0.22uF 63V 15 50
DECDIG BLK IN
16 49 C144
2n2 100V 560pF 50V
PH2LF BCL IN
17 48 C139 0.022 50V
PH1LF B2/U/Pb IN
C137
C140
0.1uF 50V 18 47 0.022 50V
GND3 G2/Y IN
19 46 C141
0.022 50V
DECBG R2/V/Pr IN
10K
R113
2.2uF 50V
20 45
AVL/EWD INSSW2
1nF 50V
21 44 C116
VDRB AUDIO OUT
10uF 16V
1nF 50V
22 43 C138
VDRA C IN
0.01uF 63V
23 42 C107
IF IN1 CVBS3/Y
0.1uF 63V
24 41
IF IN2 GND
39K 1/4W 25 40 C119
IREF CVBS1
10uF 16V
0.1uF 250V 26 39
VSC VP1(8V)
R114 2.2K
27 38
AGC OUT IFVO/SVO
R136 390 C109
28 37
180pF 50V
SIF IN1/AUDEEM PLL IF
0.1uF 63V
10uF 50V 29 36
SIF IN2/DECSDEM EHTO
30 35
GND2 AUDEXT/QSSO
31 34
SNDPLL/SIFAGC FBISO
10uF 16V 32 33 C149 220pF 50V
AVL/REFO/SNDIF HOUT
TDA937X
R115
2.2K
D104
14148
3
2009-Jul-24
R129 R130
3.3K 3.3K
Test T117
Test T118
L104
10uH
T119
Test
L102
10uH
ZD102 ZD103 ZD104
ZD106 CN101
8V2 CON5
L103
8V2 8V2 8V2 1
10uH
Test T113
2
Test T114
3
Test T115
4
Test T116
5
D101 14148
R133 R134
C101
39K
5.6K
10uF 50V
R132
33K
R109
L105 R137 1K Q102
C1815
10uH
47
R110 R123
1K 180
Q101 C130
C1815
R120 1.2K
L106
R124
8.2uH
R108 100
100K
R122
180
X102 X103 X104
5.5MHz 6.0MHz 6.5MHz
4
A7
D
STAND BY
IR
AV-SEL2
AV-SEL1
+3.3V
C
ABL
U-YUV
Y-YUV
V-YUV
TV-AUDIO
C-YC
AV-IN
V-OUT
B
A
I_17890_017.eps
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