37
R711
0
1/10W
+
C717
47uF/16V
+
C715
10uF/16V
L710
600 OHM
2.5V : For Scaler spv301
1
3
4
5
L701
L
AGND
C722
0.1uF
R716
0
1/10W
R712
0
1/10W
+
C708
10uF/16V
U704
3
2
1
VI
VO
GN
D
C724
0.1uF
C725
0.1uF
AGND
+
C707
10uF/16V
+5VP
U703
3
2
1
VI
VO
GN
D
8V :FOR MSP3455G/M62438/uPD64038
AGND
U702
3
2
1
VI
VO
GN
D
TV2054-2Ea
1.0
POWER
AOC (Top Victory) Electronics Co., Ltd.
A4
12
13
Wednesday , April 07, 2004
Title
Size
Document Number
Rev
Date:
Sheet
of
C716
0.1uF
AGND
5V
12V
AGND
AGND
L704
600 OHM
5VP : From Power Supply 5V
U701
3
2
1
VI
VO
GN
D
AGND
3.3VS : For Video Decoder VPC3230D
/ Teltext SAA5264
R714
0
1/10W
R702
22K
1/16W
R715
0
1/10W
5VP
AGND
AGND
R710
0
1/10W
5V
12VP : From Power Supply12V
12V_T : For tuner boost
8V
AGND
Q703
PMBS3904
3
2
1
AGND
C723
0.1uF
C714
0.1uF
AGND
2.5V
U700
3
2
1
VI
VO
GN
D
R717
0
1/10W
L706
600 OHM
+
C701
10uF/16V
C712
0.1uF
AGND
5V : For Tuner/VPC3230D/MSP3455G/
TVP5150/PT2308/PT2314/Z86129/uPD64038
3.3VA
C726
0.1uF
+
C713
47uF/16V
R718
6.2
1W
AGND
PWR_ON
5
L709
600 OHM
R713
0
1/10W
+
C706
47uF/16V
C705
0.1uF
C709
0.1uF
L702
600 OHM
3.3VM
+
C710
100uF/16V
12VP
R719
6.2
1W
+
C711
10uF/16V
R700
120
1/16W
AGND
1
3
4
5
L707
L
+
C721
10uF/16V
AGND
Q700
AO3401
L700
600 OHM
+
C703
10uF/16V
move
Q702
PMBS3904
3
2
1
L703
600 OHM
R703
3K
1/16W
5VP
AGND
3.3VS
+
C720
10uF/16V
R706
620
1/8W
3.3VA : For ADC AD9883
12V_T
Q701
AO4403
1
2
3
4
8
7
6
5
S1
S1
S1
G1
D1
D1
D1
D1
C718
0.1uF
12VS
12V_A
L708
600 OHM
3.3VM : For Scaler spv301
L705
600 OHM
C704
0.1uF
C702
0.1uF
R704
47K
1/16W
R705
22K
1/16W
12V_A : For Audio AMP TDA7266D
+
C719
10uF/16V
C700
0.1uF
R701
47K
1/16W
Summary of Contents for PB20C
Page 15: ...14 5 2 Main Board Power Circuit 5 3 Remote Control Block ...
Page 16: ...15 5 4 Key Board Control Block 5 5 PC Control Block ...
Page 17: ...16 ...
Page 18: ...17 5 6 Audio Control Block ...
Page 22: ...21 7 SOFTWARE FLOW CHART ...
Page 23: ...22 ...
Page 24: ...23 ...
Page 26: ...25 8 2 POWER BOARD BLOCK DIAGRAM ...
Page 44: ...43 9 3 KEY BOARD SCHEMATIC DIAGRAM ...
Page 45: ...44 9 4 HEADPHONE JACK BOARD SCHEMATIC DIAGRAM ...
Page 46: ...45 9 5 IR BOARD SCHEMATIC DIAGRAM ...
Page 47: ...46 10 MECHANICAL OF CABINET FRONT DIS ASSEMBLY ...
Page 79: ...78 12 PCB LAYOUT 12 1 MAIN BOARD PCB LAYOUT ...
Page 80: ...79 12 2 PWPC BOARD PCB LAYOUT ...