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<strong>HCD</strong>-<strong>GZR7D</strong>/<strong>GZR8D</strong>/GZR9D<br />
7-25. SCHEMATIC DIAGRAM – VIDEO Section – • See page 85 for IC Block Diagrams.<br />
A<br />
B<br />
C<br />
D<br />
E<br />
DMB18<br />
BOARD<br />
(2/5) D<br />
CN303<br />
(Page 54)<br />
REGULATOR<br />
BOARD<br />
CN075<br />
(Page 72)<br />
1<br />
O<br />
<strong>HCD</strong>-<strong>GZR7D</strong>/<strong>GZR8D</strong>/GZR9D<br />
V<br />
D-GND<br />
C<br />
D-GND<br />
Y<br />
D-GND<br />
Y/G<br />
D-GND<br />
Cb/B<br />
WIDE<br />
Cr/R<br />
DSEL/DISCXEXT<br />
RGBSEL<br />
V-SW<br />
V-MUTE<br />
GND<br />
5V<br />
GND<br />
15<br />
14<br />
13<br />
12<br />
11<br />
10<br />
9<br />
8<br />
7<br />
6<br />
5<br />
4<br />
3<br />
2<br />
1<br />
1<br />
2<br />
3<br />
2<br />
CN901<br />
15P<br />
CN903<br />
3P<br />
TP901<br />
3<br />
VIDEO BOARD IC901<br />
R902<br />
100<br />
R911<br />
10k<br />
L901<br />
10uH<br />
C902<br />
C903<br />
C904<br />
1<br />
50V<br />
C905 0.1<br />
C906 22 50V<br />
C907<br />
C908<br />
C909<br />
C910<br />
C911<br />
1<br />
1<br />
1<br />
1<br />
1<br />
50V<br />
50V<br />
0.1<br />
100<br />
50V<br />
50V<br />
50V<br />
10V<br />
C926<br />
1<br />
50V<br />
C927<br />
1 50V<br />
4 5<br />
6<br />
2.3<br />
0<br />
2.3<br />
0<br />
3.3<br />
2.6<br />
0<br />
5.3<br />
0<br />
0<br />
2.3<br />
5.3<br />
1.4<br />
COMPONENT VIDEO/S VIDEO AMP<br />
IC901 IC B/D<br />
MM1758XFBE<br />
1.4 3.2<br />
6<br />
1<br />
IC B/D<br />
14 CR IN GND2 15<br />
13<br />
MUTE2<br />
CR OUT 16<br />
12 CB IN GND2 17<br />
11 CLP CB OUT 18<br />
10 CY IN GND2 19<br />
9 I/P CY OUT 20<br />
8 BIAS Y OUT 21<br />
7 GND1 GND2 22<br />
6<br />
Y IN<br />
CVBS OUT<br />
23<br />
5 YC MIX S2 24<br />
4 CVBS IN S1 25<br />
3 MUTE1 C OUT 26<br />
2<br />
C IN<br />
S-DC OUT<br />
27<br />
1 VCC1 VCC2 28<br />
68<br />
R901<br />
4<br />
5<br />
100<br />
IC902<br />
MM1508XNRE<br />
GND<br />
IC902<br />
VCC<br />
VIDEO SELECTOR<br />
68<br />
3<br />
2<br />
0.1<br />
0.1<br />
0.1<br />
0.1<br />
0<br />
3.3<br />
1.1<br />
4.9<br />
5.3<br />
TP902<br />
5.3<br />
1.3<br />
R912<br />
100<br />
C928<br />
0.01<br />
C914 1000 6.3V R904 75<br />
C915<br />
C916<br />
C917<br />
R914<br />
75<br />
R910<br />
75<br />
C929<br />
100<br />
16V<br />
C930<br />
1000<br />
6.3V<br />
1000<br />
1000<br />
1000<br />
R913<br />
75<br />
6.3V<br />
6.3V<br />
6.3V<br />
C912<br />
0.1<br />
50V<br />
R903<br />
10k<br />
FB907<br />
0<br />
R905<br />
75<br />
FB901<br />
R906 75 FB903 0<br />
R907<br />
75<br />
R909<br />
75<br />
FB902<br />
FB904<br />
FB906<br />
0<br />
0<br />
0<br />
0<br />
22p<br />
C920<br />
FB908<br />
0<br />
22p<br />
C919<br />
C923<br />
22p<br />
C921<br />
22p<br />
R915<br />
75<br />
22p<br />
C918<br />
JR901<br />
0<br />
EP902<br />
7 8<br />
E<br />
C924<br />
22p<br />
JR902<br />
0<br />
EP901<br />
-1<br />
-2<br />
-3<br />
2<br />
E<br />
4<br />
G<br />
3<br />
1<br />
P R/C<br />
P B /C B<br />
Y<br />
R<br />
J902<br />
1P<br />
VIDEO OUT<br />
J903<br />
1P<br />
VIDEO/SAT<br />
VIDEO IN<br />
J901<br />
3P<br />
COMPONENT<br />
VIDEO OUT<br />
J904<br />
5P<br />
S VIDEO<br />
OUT
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