Philips SK5.0L CA Service Manual page 18

Circuit Diagrams and PWB Layouts
Mono Carrier: CPU & Decoder
1
CPU & DECODER
A8
D
C118
C117
ZD102
IC102
5V1
100uF/16V
C108
100nF C107
24C08
100pF
100pF
STANDBY
STANDBY
R133
SCL
SCL
R134
SDA
SDA
OPTION
only for scart
OPTION
R135 47
KEY
KEY
VOL
VOL
C R122
+3.3V
+3.3V
10K
MUTE
MUTE
R115 R119
+5V
+5V
4K7 NTSC 3K3 C129
SYSTEM
10uF/16V
SYSTEM
L205 10uH
+8V
Q103
C12810nF
C1815
C1324n7
C133
C120
1uF/50V R 138
C119
+ 18K
0.1U/63V 10uF/16V
EW
EW
VDRB
VDRB
VDRA
VDRA
IF
1 4
IF
C105
2 5
10nF
R151
SAW101
39K
SW02B
AGC
B
AGC
SIF
1 4
SIF
2 5
C136
SAW102
C137
C138
Q9362M
2n2
10uF
1.5nF
NICAM
C139
NO NICAM
330pF
A
5800-A5P190-00
1
SK5.0L CA 7.
2
R132
R130 R131
R145
3.3K
R121
22K 3.3K 3.3K
10K
R149 R148
3.3K 3.3K
IC201
R140
1 64
STANDBY IRin
100
100
2 63
SCL AV2
100
3 62
SDA AV1
L105 1 0uH
4 61
AV3/TUNING VddP
5 60
SCART ID RESET C145
+
C147
6 59
X101
KEY XTAL OUT 100uF
33pF
7 58
VOL XTAL IN 12MHz
C148
8 57
ZD103 BAND OscGnd
33pF
8V2
9 56
Vss C/P VddC
10 55
MUTE VpE
11 54
PAL/NTSC VddA
12 53
VssA B OUT
C127 220nF
13 52
SECPLL G OUT
14 51
Vp2 R OUT
C130 220nF
15 50
DECDIG BLANKING
C131 2200p
16 49
PH2LF BCL IN
C7270.1uF
17 48
PH1LF B / U IN
C7260.1uF
18 47
GND3 G / Y IN
C7250.1uF
19 46
DECBG R / V IN
20 45
AVL/EWD BLANK
21 44
VDRB AUDOUT/AMOUT
22 43
VDRA C IN
23 42
IF1 CVBS/Y IN
24 41
IF2 GND1
C116 1uF
25 40
IREF CVBSINT
C135
26 39
VSC Vp1
0.1U/63V R125
27 38
TUNER AGC IFVO/SVO
R147
220
28 37
AUDEEM/SIF1 PLL IF
390
29 36
DECSDEM/SIF2 EHTO
30 35
GND2 AUDEXT/QSSO
R139
31 34
SNDPLL/SIFAGC FBISO
2.7K
32 33
AVL/REFO H. OUT
C140
4.7uF
TV CVBS OUT
SYSTEM
2
EN 18
3
R120
1K
LED
Q106
C1815
IR
A2
A2
A1
A1
+3.3V
C146 L106
10uH RCA : R724 33K
0.1uF R725 10K
+8V
SCART:R724 10K
C150
R725 75
100uF/16V
R724
R725 R425
C149
33K R414
27K ZD104 ZD106 ZD107 ZD108
10nF
10K
39K
8V2 8V2 8V2 8V2
R144100
R143 100
R142 100
R141 10K
R413
C144
100K
0.1U/63V
R412
27K
+8V
Q107
C1815
L103
R127 R728 TV CVBS IN
8.2uH
TV CVBS IN
100 1K
C?
R126 XT165 R729
XT-6.5
180 1K2
GND
220PF/50V
XT160
XT-6.0
GND
Q104
XT155
R727
Q105
XT-5.5 CVBS OUT
GND
CVBS OUT
C1815 100
C1815
R124 R123
XT145
4K7 4K7
XT-4.5
GND
NTSC
3
4
A8
D
C
GND
1
B
2
G
CN102
3
R
4
BL
5 BCL
BCL
U / B in
U / B in
Y / G in
Y / G in
V / R in
V / R in
BLANK
BLANK
TV AUDIO OUT
TV AUDIO OUT
C IN
C IN
CVBS/Y IN
CVBS/Y IN
TV CVBS IN
TV CVBS IN
8V
+8v
B
X-RAY
X-RAY
AFC
AFC
H-out
H-out
A
H_17220_008.eps
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