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HT-CN300
AMP. PWB-B3 (2/2)
A
FANB
1
FANGND
2
+B
4
5
TO
PGND
AMP. PWB
-B
6
P15 12 - C
M_12VA
7
8
PGND_A
B
C
D
E
CNS104
+9V
A_GTUN
CNP302
D_GTUN
TO
TUNER PWB
P27 11 - F
CNS102
VF2
VF1
-VP
A_GND
-9V
F
UN_SW_5V
CNP713
D_GND
D_GND
TO
+9V
+3.3V
DSP PWB
+3.3V
SW_5V
P23 12 - B
CNS103
-5V
VIDEO_GND
G
SW_5V
CNP431
ASSIST
UN_SW_5V
UN_SW_GND
TO
VIDEO PWB
P28 1 - D
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 9.
1
+B
-5V
-9V
–B
BI104
+B
1
2
3
BI102
1
2
3
4
5
6
7
8
9
10
+B
11
12
+B
+B
BI103
–B
1
2
3
R139
4
5
6
2
3
Figure 24 SCHEMATIC DIAGRAM (11/17)
+B
+B
+B
+B
+B
VF2
VF1
+B
10
4
– 24 –
+B
M_12VA
+B
+9V
C129
0.022
-5V
–B
SW_5V
+B
+3.3V
SW_5V
5
-B
+B
R116
22K
B
E
C
Q113
KTA1274 Y
+B
IC103
BA033T
VOLTAGE REGU
3
OUT
IN
GND
C127
2
47/10
+B
6
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