BBK AV212T - Display Board Schematic Diagram

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A
B
C
D
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321
D
C
B
A
Title
Number RevisionSize
A4
Date: 30-Aug-2003 Sheet of
File: E:\BBKAV2~1\212TDISP.SCH Drawn By:
SW1
1
G6
39
G7
38
G8
37
G9
36
G10
35
Vee
34
Vdd
33
G11
32
G12
31
Seg16
30
SW2
2
SW3
3
SW4
4
Dout
5
Din
6
NC
7
CLK
8
STB
9
Key1
10
Key2
11
Key3
12
VDD
14
Key4
13
Seg1
15
Seg2
16
Seg3
17
Seg4
18
Seg5
19
Seg6
20
Seg7
21
Seg8
22
Seg9
23
Seg10
24
Seg11
25
Seg12
26
G5
40
G4
41
G3
42
G2
43
G1
44
Vdd
45
LED5
46
LED4
47
LED3
48
LED2
49
LED1
50
Vss
51
OSC
52
Seg15
29
Seg14
28
Seg13
27
U40
PT6311
+5V
1
2
3
4
5
6
7
8
CN12A
8PIN
R11
220
R6
10K
R7
10K
R8
10K
R9
10K
R10
220
R5
10K
R4
10K
+5V
-30V+5V
R1
100
R2
100
D1
7V5
1
2
AC5V
2PIN
56K
BAL
TRE
VCD
BAS
CD
AUXMUTE
ECHO
AC-3
DVDCEN
S
MIC
DEL
D2IN4148 D3IN4148 D4IN4148 D5
IN4148
IR
-30V
+5V
GND
STB
CLK
Din
Dout
F1
1
F2
2
P1
3
P2
4
P3
5
P4
6
P5
7
P6
8
P7
9
P8
10
P9
11
P10
12
P11
13
P12
14
P13
15
P14
16
P15
17
F3
18
F4
19
G1
20
G2
21
G3
22
G4
23
G5
24
G6
25
G7
26
G8
27
G9
28
G10
29
G11
30
G12
31
G13
32
VFD
HJ3005AW
1
2
3
4
CN13A
4PIN
1
2
3
CN16A
3PIN
1
2
3
CN15A
3PIN
C1
47/16
AV212T-DISPLAY
REMOTE
SENSOR
BM1A(MVOL)
BM1B(MVOL)
BM2B(MENU)
BM2A(MENU)
R19
1K
R25
3K
+5V
-30V
LED6
LED