62
DV-420V-K
1
2
3
4
A
B
C
D
E
F
1
2
3
4
10.6 DVD MT PCB ASSY (5/7) (UCXZTSM2)
DURING PLAYBAC
MEASURED WITH
NOTE:THE DC VOLTAGE
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE.
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
VIDEO SCHEMAT
IC7301 LA73054
VIDEO DRIVER 6CH IC
1
8
17
16
15
14
13
12
11
10
1
19
2
20 21 22 23 24 25 26 27 28 29
3
30
31
32
33
34
35
36
4 5 6 7 8 9
Q7302
KRC103SRTK
P-H/I-L
R7315
1K 1/16W
TP7303
TP7302
W877
W871
W873
W872
C7309
1
B
C7334_1
1
B
C7313
0.1
B
C7302
0.1
B
C7317
0.1
B
C7304
0.1
B
C7307
1
B
C7306
1
B
C7308
1
B
C7305
1
B
C7312
P
_
K
Y
V
0
1
0
0
1
C7319
P
_
K
Y
V
0
10
0
1
CVBS
SQUEEZE
LETTER
S_C
COAXIAL
S_Y
SQUEEZE
VSEL1
LETTER
CVBS
S_C
S_Y
G/Y
G/Y
B/CB
R/CR
I/XP
VSEL1
B/CB
R/CR
I/XP
P-H/I-L
V+5
D_GND
FROM/TO POWER PORT
FROM/TO AUDIO/JACK
FROM/TO MPEG/MICON/RF-AMP
1.2
0
2.8
0
0
5
2.9
0
0
0
2
0
0
2
5
0
0
0
2.5
2.4
2.5
0
2.8
5
0
2.6
0
0
2.7
0
2.8
0
0
0
2.7
5
0
(1D=H,2D=L)
(1D=H,2D=L)
DRIVE2
(ON=H,OFF=L)
(ON=H,OFF=L)
(9dB=H,6dB=L)
(P=H,I=L)
(RGB=H,YUV=L)
(MIX=H,OFF=L)
(9dB=H,6dB=L)
LPF
IN SW
AMP1
DRIVE1
VCC21
CVBS out
GND21
C out
C-DC out
GND22
Y1 out
GND23
GND24
Y2 out
VCC22
CB out
GND25
CR out
GND26
REG
GND12
CR in
AMP2
CB in
MUTE2
Y2 in
YC-MIX
Y1 in
GND11
C in
LE
SQ
MUTE1
CVBS in
VCC1
3.4
0
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TEL 13942296513
9
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Q
Q
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TEL 13942296513 QQ 376315150 892498299
