EN 84
7.
LX7500R
Circuit Diagrams and PWB Layouts
G4
0
3
2
VDD
VEE VSS
1
0
3
2
1
4X
0
3
0
1
EXT. VIDEO IN
SELECTOR
CFIN
CVBSFIN
7901 B4
7902 D8
7903 E8
7904 G4
F710 B2
F711 B2
F712 C10
F713 C10
F714 C10
F715 C10
F716 C10
F717 E2
F718 E2
F719 E2
F720 E2
F721 E2
F722 F2
F723 F12
F724 G12
F725 G2
F726 H2
F727 G12
F728 D10
VIDEO SWITCHING
For non scart version only
3931 G6
3932 H2
3933 G11
3934 H4
3935 H5
3936 H6
4900 B7
4901 C7
4902 E7
5900 C6
6900 B3
6901 C3
6902 F2
7705-1 G6
7705-2 H6
7900 B8
3910 C9
3911 D10
3912 D8
3913 D7
3914 D9
3915 D4
3916 E5
3917 E4
3918 E8
3919 E5
3920 E9
3921 E7
3922 E2
3923 E8
3924 F4
3925 F11
CFIN
Audio R
3926 F2
3927 G5
3928 G11
3929 G2
3930 G5
2928 H12
2929 I4
2930 I5
3900 B8
3901 B2
3902 B9
3903 B7
3904 B3
3905 B8
3906 B3
3907 C2
3908 C8
3909 C3
S-Video
CVBS
2921 G5
2922 G12
2923 G12
2924 H5
2925 H3
2926 H3
2927 H12
from Front
2905 C6
2906 C9
2907 D3
2908 D7
2909 E3
2910 E4
2911 E9
2912 E7
2913 E3
2914 E5
2915 F4
2916 F11
2917 F11
2918 F12
2919 F12
2920 F12
1942
Audio L
VIDEO SWITCH
COMBI BOARD
9
10
11
12
A
B
C
D
E
F
U10 C6
U11 E2
1400 B2
1401 C10
1402 G2
1403 D2
2043 B9
2044 E9
2900 B7
2901 B3
2902 B3
2903 C9
2904 C2
to AV board
8
9
10
11
12
1
2
3
4
5
6
7
8
YFIN
CVBSFIN
1
2
3
4
5
6
7
YFIN
G
H
I
A
B
C
D
E
F
G
H
I
U8 H4
U9 G5
AINFL
AINFR
AINFL
AINFR
EXT. AUDIO IN
SELECTOR
F721
150R
3916
68R
3900
3902
150R
100n
2911
10u
16V
2915
GND_V
SCN
150R
3912
1K0
3935
SCN
F727
2930
330p
330p
2924
1u0
2908
3907
75R
2902
16V
10u
GND_V
100n
2921
100R
3927
2903
100n
GND_V
100n
2919
GND_V
GND_V
2904
100n
F722
F711
10R
F713
3911
SCN
SCN
3928
100R
330R
F725
3923
3930
GND_V
1K0
1K0
3929
F718
BC847BW
7903
1
2
3
4
7
5
6
TCS7927-24-401
1400
SCN
F728
4900
U11
F724
F712
47K
1
IN1B
11
IN2A
14
IN2B
8
IN3A
9
IN3B
3
OUT1
5
OUT2
6
OUT3
13
V+
3909
NJM2285M
7901
2
CTL1
12
CTL2
7
CTL3
15
GND1
4
GND2
10
GND3
16
IN1A
2918
100n
330R
3908
2044
22u 16V
2043
22u
16V
4901
1u0
100n
2912
F716
2906
F715
3925
1K0
3905
330R
2929
100n
6901
BZX384-C12
16V 10u
2909
3915
GND_V
GND
GND
GND
GND
10K
150R
7900
3921
BC847BW
150R
3917
3924
150R
68R
3920
F717
3926
75R
56R
3910
3906
GND_V
150R
100R
3933
7902
BC857BW
2900
10K
1u0
100n
3913
F710
2920
100n
2928
GND_V
3931
470R
3918
150R
F719
GND_
V
150R
3904
F726
F720
3914
4K7
8
4
3903
10K
7705-2
LM833D
5
6
7
16V
10u
SCN
2923
2916
100n
2914
100n
5
6
7
8
9
S9B-PH-SM3-TB-A
1403
1
2
3
4
10R
BZX384-C12
3922
6900
3901
75R
47u
25V
2927
2910
10u
16V
2926
470p
5900
10u
SC
N
SCN
1K0
3932
GND_V
470p
2925
SCN
6
7
8
9
6902
BZX384-C12
B9B-PH-SM3-TBT
1401
1
2
3
4
5
GND_V
GND_V
2
3
4
1
LPR6520
1402
3919
47K
2922
GND_V
25V
47u
8
4
LM833D
7705-1
3
2
1
5
15
2
11
4
13
3
10
9
6
16
7
8
12
1
14
GND_V
HEF4052B
MDX
7904
3934
F714
100R
2907
100n
470R
F723
3936
2913
GND_V
GND_FC
GND_FC
GND_FC
GND_FC
GND_V
16V 10u
2905
100n
U9
U10
GND_V
U8
SCN
GND_V
4902
2917
100n
2901
10u 16V
5VSTBY
+OP3
5VSTBY
WSIN_F
-OP3
+OP3
5VSTBY
5NSTBY
ASEL_YC2_0
5NESD
5NSTBY
5NESD
-OP3
+OP3
5NSTBY
VIDEO_SEL
WSIN_2
5NESD
5NESD
5NSTBY
5VSTBY
5VSTBY
5NSTBY
5VSTBY
5NSTBY
-OP3
EXT3L
EXT3R
WS_OUT
# for provision only
Combi board LX7500R, 081004
EVM
V
DC voltages measured in Stop mode
with no audio output.
...V