Sharp HT-CN300 Service Manual page 11

VF1
OSD CS
56
CLK
17
DATA
18
CEO
8
CE1
9
CE2
20
DO
19
1 16 34 46
+B7
20ATT
+B2 M_12V
+B3
+9V
- B 2 - 5 V
- B 3 - 9 V
+B4 +5V
IC103
BA033T
+3V3
+B5
VOLTAGE
REGULATOR
+B6 FANB
-VP
VF1
VF2
+5V
+B7
FL690
FL DISPLAY
1 2 4 11 13 24 25
12
Q691
100
93 92 91 80 78
IC601
UPD780206
SYSTEM MICROCOMPUTER
RESET KEY_O
10 11 12 33
Q682
X611
IC602
4.1943MHz
+B7
20ATT
Q240
Q230
10
20ATT 5
IC202
Q240
13
POWER AMP
Q230
8
LM4766
4
15
2
10
5
L
IC201
Q210
13 1
POWER AMP
Q220
8 3
LM4766
R
4
15
2
- B 1
D101
+B1
D113
D111
Q150
D112
D114
Q113 Q112
D121
D122
D131
Q132
D522
IC501
KTA7805AP1
CONSTANT VOLTAGE
REGULATOR
D523
Figure 11 BLOCK DIAGRAM (2/4)
32 34 35
VF2
71 79
40
25
13
REMOCON
REMOTE SENSOR
39
SW678
10
5
C RY250
IC203
1
13
POWER AMP
3
8
LM4766
W
4
15
2
+B2
L RY230
1
3
R
+B2
RY210
+B2
T100
MAIN POWER
TRANSFORMER
F101
8A/125V
F102
8A/125V
F111
1.25A/125V
F112
1.25A/125V
D123
F121
800mA/125V
D124
D524
D525
T501
SUB POWER TRANSFORMER
– 11 –
IC10
+B7
1 2
3
SUBWOOFER
J201
CENTER
SURROUND
MAIN
SPEAKER TERMINAL
+B6
M
M200
Q202
FAN MOTOR
FAN MOTOR
DRIVER
F511
RY511 4A/125V
LINE
FILTER
HT-CN300
AC POWER
SUPPLY CORD
L511 AC 120 V/60 Hz