Philips 32PF9968/10 Service Manual page 16

Circuit Diagrams and PWB Layouts
Main Board Part 1
+5V_SW
TP208
L701
EEPROM INTERFACE
FB
U700 +3VSTB
TP100 R714
L700
1 8
820R
A0 VDD
FB
C700 C701 R712
R700 R701
2 7 220nF 100nF TP206
100K
A1 PTC 3.3K 3.3K C900 TP210
10.7 R702 Q700
BC847
3 6 SCL 330R
A2 SCL 1nF
R713
TP188
150K
4 5 SDA R715
VSS SDA
560R
TP105
R704
0R
NM
TUN1
TUNER
12
GND
5V_T +5V_SW
SECAM L L707
R705
C715 TP18 TP53 10uH
NS TP55 TP56 TP36 TP37
C709 D700
R734
R733 R735 R729 R730
1N4148
27K 6.8K 0R C723
27K NS C713
5V_T
100nF
100nF
10uF/10V
L709
R718
C722
47uF/10V
33V
ADR. SEL.
1uH 1nF 1K
L703
TP45
12uH
TP46 C729
TP35 TP126
TP101 R740
8.2pF
TP32 R719 R720 22K
C876 C877 C720 C712
100R 100R
1nF
NS NS 100nF
TP34
TP33
FM-OPT. L708
R706
PLACE CLOSE NS
+5V_SW 0R
TO TUNER
TP38 TP127
TP83
L706
10uH
TP160
R738
22R TP163
L704 L710
C716 C727
47uH
47uH R739 L711 47uH
4.7nF 10uF/10V
33K
TP161 L705
47uH
D701
Q701 C719 C724
BAV99W TP165
R742
C717
TP162 TP164 47R
4.7nF
C725
BC847 220pF/50V 33nF/50V
C718 33nF/50V
4.7nF
U701
SANDC R708 1 24
SC GND
TP27 0R
2 23
GND GND
R721
3 22
ADEXT1 CF
100R
R722 4 21
ADEXT2 SOUT
100R
R723
5 20
ADEXT3 VCC
100R TP30
YOUT 6 19 R725
YIN YOUT
TP26 100R
7 18
ADR VEE
TP29
UOUT 8 17 R726
UIN UOUT
TP25 100R TP28
R727
VOUT 9 16
VIN VOUT
TP24 100R
10 15
C706
GND DECDIG
100n
R724 R728
SCL 11 14
SCL SDA
TP23 100R 100R
12 13 C730 C731 C732
GND GND
22pF 22pF 22pF
TDA9178T
PICTURE IMPROVEMENT
+3Vstb
TP19
R745
4.7K
DECDIG R746
TP22 4.7K
C728
10uF/6.3V
POWER SW PART
TEH1.0E LA 7.
PART 1
FM OPTION PART
C702
100nF
C705 F700
TP220
SFE10.7MS3A SSIF
1n
TP219
R717 R703
C704
1K 330R
1nF
dfsdsd
TUNER PART
+1V8_1
+3Vstb
R736
6.8K
C714
R737
100nF
6.8K
TP130 SIF_1
D704
+3Vstb
TP129
BA591
D702
SIF_2
BA591 TP131
D703
T700
R741
BA591
NS R743
BC847B
220K R744
680K
TP128
DECDIG
L808
+5V_SW
33V
FB
C818
TP168
C817
100n 100n
C726
D705
33nF/50V
BZX284-C33
R854 10R
VDRB
R807
10K
+8V_SW
F800
????
TP31
VIF_1 1 5
L702
FB
VIF_2 2 4
TP166
R803
C703 C733 FM OPT.
0R
100nF 10uF/10V
R864
F801 J2
????
SIF_1 1 5
YIN
SIF_2 2 4
UIN
VIN
SDA
R731 R748 R749
C707
10K 2.2R 2.2R
220n
TP167 Q703
Q702 BC557
BC847
TP20
+1V8_2
+3Vstb
TP195
R732 R747 R750
C708
10K 2.2R 2.2R
220n
Q704
BC557
Q705
BC847
+1V8_1
TP21
EN 16
L802
+1V8_1 +3Vstb
FB C840
+5V_SW
220n C847
L801
+1V8_1 100uF/6.3V
FB
C809 C839
100n 220n
TP14
C810
L800
100n
FB
+5V_SW
TP91
TP11 TP12
C803 C800
100nF 220nF
L809
TP39 FB
C804 C903
100nF 220nF
L810
T23
VSSP2
FB
TP40
R23
VSSC4
C805 C807
100nF 100nF C854 R24
VDDC4
100uF/6.3V
P23
VVDA3
P24
VREF_POS_LSL
P25
VREF_NEG_LSR+HPR
XTAL2LI R802 N23
VREF_POS_LSR+HPR
TP41 22R
N25
VREF_NEG_LSR+HPR
L811
N24
C856 VREF_POS_HPR
FB
NS
N26
XTALIN
C806 C802
100nF 220nF M26
XTALOUT
M23
C857 GND4
X800
NS
24.576MHz M25
VGUARD/SWIO
M24
DECDIG
L23
VP1
C849 R806 1K
L26
PH2LF
220uF/16V C855 6.8nF L25
PH1LF
R862 L24
C853 GND1
12K
1.5u/16V
K26
SECPLL
K25
DECBG
C860 C846 J26
R865 EWD/AVL
C826
47K
J25
10uF/10V 100n 220n
VDRB
H26
VDRA
K24
VIFIN1
K23
VIFIN2
G26
VSC
R868 H25
C882
R800 IREF
NS 39K
330N J24
GNDIF
J23
SIFIN1/DVBIN1
H23
SIFIN2/DVBIN2
G25
AGCOUT
H24
EHTO
AGC R866
C883
680R R804
100K
10n
C886
C885 C887 C888
4.7uF/10V 2.2uF/20V
3.9n
C905
C827
R900 R901
100n
C865 C866 C867 C868 100n 15K 15K
47p 47p 47p 47p
L816
R828
R829 FB
C891 C892 100R C875
C874
100R C861 C902
470n 470n
C873 47pF 47pF 100p
L817
C889 C890 10uF/10V
FB C893
2.2u/20V 2.2u/20V 47P C894
C901
R842 R843 R844 R845
470n 470n 100n
R870
10K 0R 10K 0R
R830
390R
R846 R847
10K 10K
100R
C835
C836
100n
100n
TP48
TP92
TP42 TP43 TP44
L803 L804
+1V8_1
FB FB
C841
220n C811 C842
100n 220n
R850
R858
NS NS
+5V_SW
R838 +5V_SW
C848
NS 100uF/6.3V
C843
220n
U500A
T16
VDD_ADC
T15
VSS_ADC
R16
VDDA2
R15
VDDA
P16
GNDA
P15
VREFAD
N15
VREFAD_POS
N16
VREFAD_NEG
M16
VDDA1
R823 100R
Y25
BO
R824 100R
Y23
GO
R825 100R
Y24
RO
W23
C808
BLKIN
1n
W24 C858
BCLIN
47uF/10V
L16
VP3
L15
GND3
C819
V23
B/PBIN3
V24 100n
G/YIN3
C828
U23
R/PRIN3
U24 100n
INSSW3
T26
VOUT
T25
UOUT
F26
YOUT
C830
E26
YSYNC
B14 100n
YIN
C829
A15
UIN
B15 100n
VIN
D15
VDD_COMB
C15
VSSCOMB
A16
HOUT
B16
FBISO/CSY
B17
SVM
7103
2.2uF/20V
R841 R860
10K 27K
C869 C870
47p 47p
R835 R836
100R 100R
C871 C895 C896 C899 C878 C879 C880 C881
47p 47p 47p 100p 47p 47p 47p 47p
C872 C838 C884
10n C801 C904 C837 C897 C898 100n 10n
470n 470n 100n 470n 470n
R831 R832 R833 R834
100R 100R 100R 100R
TP47 TP52 TP51
TP54 TP57
TP49 TP50
L806
+1V8_2
FB
C812 C815
100n 100n
L807
+3Vstb
FB
C813 C816
100n 100n
L805
+1V8_2
FB
C814
100n
L812
+3Vstb
FB
C844 C823
220n 100n
VDDA1
L813
100uF/6.3V +3Vstb
FB
C821 C845 C824
C851 220n 100n
100n
C850 BOUT
C862
100uF/10V
GOUT
47p
C863
ROUT
47p
C864
47p
L814
+5V_SW
FB
C859 C822 C825
10uF/10V 100n 100n
BIN
C820
GIN
RIN
100n
R827 100R
FBLIN
VOUT
UOUT
YOUT
C831
YIN
UIN
100n
C832
VIN
L815
+5V_SW
100n
FB
C852
C833 C834
100uF/10V
100n 100n
HOUT
TP94
R869
2.2K
SANDC
R856 10R
TP93
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