28
AGND
R235
100
1/16W
+
C105
10uF/16V
5V
R102
2.5
2W
+
C107
10uF/16V
TV2054-2Ea
1.0
TUNER
AOC (Top Victory) Electronics Co., Ltd.
A4
3
13
Wednesday , April 07, 2004
Title
Size
Document Number
Rev
Date:
Sheet
of
AGND
C106
0.1uF
L105
NC
L104
NC
AGND
C109
0.1uF/16V
L102
600 OHM
5V_A
C102
47pF
U101
3
2
1
VI
VO
GN
D
C110
47pF
ANT_Cable
R236
100
1/16W
L107
600 OHM
C103
0.1uF
TUNER_OUT
2
R104
75
1/16W
R103
2.5
2W
AGND
AGND
L103
600 OHM
TU100
TUNER
1
2
3
11
12
13
14
18
15
16
17
4
5
6
9
10
N
C
/AGC
N
C
/M
onit
or
VC
C
SI
F
C
VBS
VC
C
-I
F
AF
O/
P
C
H
ASSI
S
C
H
ASSI
S
C
H
ASSI
S
C
H
ASSI
S
SC
L
SD
A
AS
NC
NC
SDA
4,5,6,8,9,11
L106
600 OHM
AGND
Q101
PMBS3904
3
2
1
+
C108
100uF/16V
R101
75
1/16W
L101
600 OHM
C246
100pF
SIF_IN
R106
75
1/16W
+
C104
100uF/16V
R105
NC
R107
220
1/16W
12V_T
SCL
4,5,6,8,9,11
AGND
C245
100pF
C101
47pF
TUNER_SIF
11
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 ...
