38
U802
LM3940S-3.3
1
3
2
IN
OUT
GN
D
G7
G5
PAN_PWR
1,5
R1
R804
C1
0.1uF
R2
R15
0
1/10W
RN4
0
1
2
3
4
8
7
6
5
3.3VM
L803
NC
R6
LVDS_EN
5
R11
0
1/8W
TV2054-2Ea
1.0
LVDS
AOC (Top Victory) Electronics Co., Ltd.
B
13
13
Wednesday , April 07, 2004
Title
Size
Document Number
Rev
Date:
Sheet
of
R803
NC
G[0..7]
1,6
G1
+
C804
10uF/16V
C800
0.1uF
R7
0
1/10W
L802
600 OHM
B6
AGND
B2
RN1
0
1
2
3
4
8
7
6
5
AGND
P_CLK
1,6
TXA3p
B7
R800
0
1/16W
L800
600 OHM
R4
B1
NT7181FQ
3.3VM
TXA1p
3.3VM
R9 0
1/10W
B0
R5
0
1/10W
AGND
R1
0
1/8W
C807
0.1uF
AGND
R16
0
1/10W
G6
CN800
CONN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
R2
0
1/8W
TXA0m
R802
10K
1/16W
G0
TXA2p
R10
0
1/16W
P_Hs
1,6
B3
TXA2m
R13
0
1/10W
+
C809
10uF/16V
R14
0
1/10W
U800
51
52
54
55
56
2
3
4
6
7
8
10
11
12
14
15
16
18
19
20
22
23
24
25
27
28
30
50
47
45
41
37
39
48
46
42
38
40
31
32
17
1
9
26
34
44
5
13
21
29
53
33
35
36
43
49
TXIN0
TXIN1
TXIN2
TXIN3
TXIN4
TXIN5
TXIN6
TXIN7
TXIN8
TXIN9
TXIN10
TXIN11
TXIN12
TXIN13
TXIN14
TXIN15
TXIN16
TXIN17
TXIN18
TXIN19
TXIN20
TXIN21
TXIN22
TXIN23
TXIN24
TXIN25
TXIN26
TXIN27
TXOUT0
TXOUT1
TXOUT2
TXOUT3
TXCOUT
TXOUT0
TXOUT1
TXOUT2
TXOUT3
TXCOUT
CLKIN
PWRDN
VCC
VC
C
1
VC
C
2
VC
C
3
PVC
C
OVC
C
GN
D
1
GN
D
2
GN
D
3
GN
D
4
GN
D
5
PGN
D
1
PGN
D
2
OGN
D
1
OGN
D
2
OGN
D
3
L801
600 OHM
B5
AGND
TXA1m
R801
1K
1/16W
AGND
C803
0.1uF
RN2
0
1
2
3
4
8
7
6
5
C801
0.1uF
TXA0p
G4
For EMI
P_DATAEN
1,6
B4
R7
C802
0.1uF
C805
0.1uF
R3
R3
0
1/10W
R5
P_Vs
1,6
3.3VA
G3
RN3
0
1
2
3
4
8
7
6
5
R12
0
1/10W
R[0..7]
1,6
G2
C808
0.1uF
B[0..7]
1,6
R0
+
C806
10uF/16V
TXACKp
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 ...