Philips EM5A NTSC Service Manual page 78

Colour television
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Circuit Diagrams and PWB Layouts
DW Panel: Multi PIP Controller
1
2
MULTI-PIP CONTROLLER (DW-PANEL)
C 1
A
+5VS
3896
3895
470R
3897
7892
BC847BW
BC847BW
3894
C4-1
SANDCASTLE
2K2
3893
B
1K5
FBLK
C3-2
+5VS
+3.3V
3
2
4V4
2V8
I
O
7802
A
LM317T
##
1
1V8
3880
240R
390R
C
3881
3857
10K
7895
3856
BC847BW
10K
3858
4K7
+5VS
VFB
4834
C3-3
D
3868
C3-4
0205
PIP-AUDIO
1K8
10
PIP-AUDIO
47p
2897
9
V-PIP+MAIN-IN
8
U-PIP+MAIN-IN
7
2896
47p
GND
6
Y-PIP+MAIN-IN
5
GND
E
4
V-MAIN-OUT
V
3
U-MAIN-OUT
U
2
GND
1
Y
Y-MAIN-OUT
TO 1682 OF
B 6
F
7808
BC847BW
3807
220R
4824
3808
680R
HFB-SANDCASTLE
C3-5
+5VS
G
3809
220R
4825
3810
680R
C3-6
FB_OUT
2891
1n
H
3892
4K7
7891
BC847BW
1
2
EM5A NTSC
3
4
5
FROM
0204
OF
C4-7
SV-SYNC
1
7805
A 7
BC847BW
C4-9
2
SV
220R
3801
C4-10
3
SY
4821
C4-8
4
SU
3802
680R
C1-11
5
HA
FBlk(not connected)
7894
1K5
6
BC857BW
220R
0273
7893
6802
UDZ-3.9B
4833
1u
2882
3882
8K2
3828
2K2
74HC1G32GW
100n
7804
2843
2V8
5
2
3829
2K2
4
0V
0V
1
2883
3883
8K2
3
DFB
1u
3831
220R
3876
4K7
100n
2848
2878
100n
+3VD
2899
10u
+3.3V
5848
12u
1K8
3834
F21
1R
3863
+3V
+3V
+3V
1R
3862
5849
12u
+3VD
2863
22u
4829
5851
3837
1K5
RES
3824
10K
5853
12u
7824
+5VS
BC847BW
2854
100n
7828
3869
RES
3K3
BC847BW
4V6
2853
10u
0V
2895
47p
3839
0V
220R
4831
3884
680R
+5VS
+3V
7807
BC847BW
RES
3844
8K2
3805 220R
V17
RES
3843
8K2
3806
680R
4823
8K2
3846
2846
100n
V18
3811
8K2
+8VS
+3V
2892
47p
3849
RES
2868
100n
8K2
##
RES
RES
100u
3848
8K2
3866
1K
2869
4832
RES
4826
7803
7810
1
16
7V5
0V6
BC847BW
Vp
IOCNTR
+5VS
2
15
1V9
0V
VIDIa1
FBI1
14
2V
3
0V
VIDIb1
FBI2
13
F25
2V
4
VIDIc1
FBO
0V
5
12
0V9
SEL
VIDOa
2V2
3890
100R
6
11
1V9
VIDIa2
VIDOb
2V2
10
3891
100R
7
1V9
VIDIb2
VIDOc
2V2
8
9
2888
47p
RES
VIDIc2
GND
2889
47p
TDA8601
RES
F26
2890
47p
RES
F27
3
4
5
7.
78
6
7
8
+3VD
6XXX
RES
HA
BC847BW
+5VS
+3V
MCL4148
3XXX
+5VS
7806
3XXX
3K3
SCL
RES
BC847BW
220R
7832
3803
BC847BW
3854
2XXX
RES
4822
100R
100n
SDA
3804
680R
3852
100R
3827
1K8
3826
3K3
5839
12u
150p
2842
2828
100n
1V6
0V9
80
79
78
77
76
75
74
73
72
71
70
69
2844
100n
2829
Vref(B)
100n
81
1V6
SV
2825
560p
I2-BUS CONTROL
Vref(T)
2V3
82
DISPLAY
2831
1u
83
SY
1V1
CONTROL
2847
560p
Vbias(SA)
1V6
84
CLAMP &
ADC
3832
39K
85
VSSD(SA)
86
2V8
VDDD(SA)
0V2
87
SHSYNC
PLL & CLOCK
3833
3K3
GENERATOR
T6
0V
88
4827
89
2V7
VDDA(SP)
2849
100n
90
VSSA(SP)
2898
91
VSSA(DP)
10u
12u
92
2V7
VDDD(MA)
3836
3K3
4828
93
T7
DHSYNC
0V2
94
PLL & CLOCK
GENERATOR
2V8
95
VDDD(MA)
3838
39K
96
VSSD(MA)
DAC
Vbias(MA)
1V6
97
CLAMP &
&
ADC
BUFFER
2832
100n
1V
98
MY
Vref(T)(MA)
2V3
99
RES
8K2
3885
1V1
100
MV
2856
560p
Vref(B)(MA)
2812
1
2
3
4
5
1
6
7
8
9
0
11
12
100n
1V4
2811
100n
2817
2814
100n
2813
150p
100n
2819
100n
3851
RES
8K2
2816
3847
RES
8K2
10u
2821
10u
150p
2857
5816
12u
5818
12u
2867
1u
F22
2866
47n
3825
2864
47n
220R
F21
F23
F24
2V / div DC
200mV / div DC
20 s / div
20µs / div
F22
F24
200mV / div DC
200mV / div DC
20µs / div
20µs / div
6
7
8
9
10
11
3872
3874
7829
4V6
470R
1K5
4V6
3879
BC857BW
3853
3K3
220R
4V6
4V6
RES
HFB-SANDCASTLE
3871
F3-12
0V6
3V3
2K2
6801
7874
7871
3873
BC847BW
BC847BW
UDZ-3.9B
1K5
4820
2837
100n
2V8
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
VSSD(T7)
50
VSSD(T6)
N.C
VSSD(T5)
49
VSSD(T4)
48
LINE MEMORY
TCBR
47
TCBC
46
TCBD
45
TM
44
TCLK
43
VDDD(RM)
42
VSSD(RM)
41
TEST
VSSD(RL)
40
CONTROL
39
VDDD(RL)
TC
38
7801
SAB9081H
T0
37
T1
36
T2
35
INTERNAL
T3
34
DRAM
T4
33
T5
32
N.C
31
N.C
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
2836
100n
12u
5834
2834
10u
2833
100n
2827
10u
2826
100n
5827
12u
F23
F27
V17
F25
500mV / div DC
500mV / div DC
1V / div DC
20 s / div
20 s / div
20 s / div
F26
V16
V18
1V / div DC
1V / div DC
500mV / div DC
CL 16532043_040.eps
20 s / div
20 s / div
20 s / div
9
10
11
12
0205 D2
3828 B5
7876 A12
0273 B5
3829 C5
7891 H2
2811 F7
3831 C5
7892 B2
2812 E7
3832 C6
7893 B3
2813 F7
3833 C6
7894 A3
2814 F6
3834 C5
7895 D2
+5VS
2816 F7
3836 D6
3837 D5
2817 F8
2818 D12
3838 E6
2819 F7
3839 E6
7876
2821 F7
3843 E5
A
2822 D12
3844 E5
3846 E4
2823 F8
0V3
HA
C1-11
2824 F9
3847 F6
2825 C6
3848 F5
2826 G10
3849 F5
2827 F10
3851 F6
3878
3852 A7
2828 B6
1K
2829 C6
3853 A9
2831 C6
3854 A8
2832 E6
3855 A8
2833 F10
3856 D2
3857 C2
B
2834 F10
2836 F10
3858 D2
2837 B9
3862 D3
2838 B8
3863 C3
2839 B8
3866 F3
3868 D3
2841 B7
2842 B6
3869 E3
2843 B5
3871 A10
2844 B6
3872 A10
2846 F5
3873 B10
2847 C6
3874 A11
2848 C5
3876 C3
C
2849 D6
3877 C4
2851 D6
3878 B12
2852 D7
3879 A11
2853 E5
3880 C2
2854 D5
3881 C2
2856 E6
3882 B5
2857 F6
3883 C5
2858 G8
3884 E5
2859 G9
3885 E6
3886 G2
2822
2860 G9
100n
2861 C1
3887 G2
2862 C2
3888 G3
D
2863 D3
3889 G4
2864 G7
3890 H5
3891 H5
2866 G7
2818
2867 G7
3892 H1
100n
2868 F4
3893 B2
2869 F4
3894 B2
2871 F2
3895 A2
3896 A3
2872 F2
2873 F3
3897 B3
2874 F3
3898 B4
2876 F3
3XXX A7
2877 F3
3XXX A7
E
2878 C3
4820 B11
2882 B5
4821 A5
2883 C5
4822 A6
2885 H2
4823 E4
2886 H2
4824 F2
2887 H2
4825 G2
2888 H4
4826 G6
2889 H4
4827 D6
2890 H4
4828 D7
2891 H2
4829 D3
2892 F3
4830 D4
F
2893 G6
4831 E3
2894 E3
4832 G4
2895 E3
4833 B3
2896 E2
4834 D2
2897 D3
5816 G7
2898 D6
5818 G7
2899 C5
5827 G10
2XXX A8
5834 F10
3801 A5
5839 B7
+3VD
5848 C5
3802 A5
3803 A6
5849 D5
3804 A6
5851 D5
G
3805 E4
5853 D5
3806 E4
6801 A11
6802 B3
3807 F1
3808 F1
6XXX A7
3809 G2
7801 D9
3810 H2
7802 C2
3811 F5
7803 G3
7804 B3
3812 F8
3813 G8
7805 A5
3814 F8
7806 A6
3816 F8
7807 E4
3817 G9
7808 F2
H
7809 G1
3818 F9
3821 G9
7810 G5
3822 D4
7824 D3
3823 G5
7828 D5
3824 D3
7829 A9
7832 A7
3825 G6
3826 B6
7871 B10
190602
3827 B6
7874 B11
12

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