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D D
D1 R41
LCD1 560
LCD-1816-MP3
D2 R42
560
D3 R43
1K
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG34
SEG35
SEG36
SEG37
SEG38
SEG39
SEG40
SEG41
SEG42
SEG43
SEG44
SEG45
SEG46
SEG47
SEG48
SEG49
SEG50
SEG51
COM1
COM2
COM3
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
D4 R44
D13 R53
1K
1K
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
1
2
3
4
5
6
7
8
9
D5 R45 D12 R52
1K 1K
D6 R46 D11 R51
COM3
COM2
COM1
1K 1K
SG10
SG11
SG12
SG13
SG14
SG15
SG16
SG17
SG18
SG19
SG20
SG21
SG22
SG23
SG24
SG25
SG26
SG27
SG28
SG29
SG30
SG31
SG32
SG33
SG34
SG35
SG36
SG37
SG38
SG39
SG40
SG41
SG42
SG43
SG44
SG45
SG46
SG47
SG48
SG49
SG50
SG51
SG1
SG2
SG3
SG4
SG5
SG6
SG7
SG8
SG9
D7 R47 D10 R50
1K 1K
R48 R49
SG48
SG47
SG46
SG45
SG44
SG43
SG42
SG41
SG40
SG39
SG38
SG37
SG36
SG35
SG34
SG33
D8 D9
1K 1K
C C
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
IC1 LAM
PT6523
SG48
SG47
SG46
SG45
SG44
SG43
SG42
SG41
SG40
SG39
SG38
SG37
SG36
SG35
SG34
SG33
SG49 49 32 SG32
SG49 SG32 R10 R9 R8 R7 R6 R5 R4 R3 R2 R1
SG50 50 31 SG31 KEY2
SG50 SG31
2
2
2
2
2
2
2
2
2
2
SG51 51 30 SG30 4K7 3K3 2K2 1K5 1K 680 470 330 220 180
SG51 SG30
52 29 SG29 J1
SG52 SG29
COM1 53 28 SG28 APS BAND TDN TUP M6 M5 M4 M3 M2 M1
COM1 SG28 1
C1 COM2 54 27 SG27 QSW QSW QSW QSW QSW QSW QSW QSW QSW QSW KEY2
COM2 SG27 2
104 COM3 55 26 SG26 DI
1
1
1
1
1
1
1
1
1
1
COM3 SG26 3
VDD 56 25 SG25 INH
VDD SG25 4
INH 57 PT6523 24 SG24 CE
INH SG24 5
58 23 SG23 VDD
VDD1 SG23 6
59 22 SG22 ENC+
VDD2 SG22 7
60 21 SG21 LAM
VSS SG21 R15 8
61 20 SG20
OSC SG20 R24 R23 R22 R21 R20 R19 R18 R17 R16 180 9
CE 62 19 SG19 KEY1 REM
CE SG19 10
2
2
2
2
2
CLK 63 18 SG18 CLK
5
CLK SG18 4K7 3K3 2K2 1K5 1K 680 470 330 220 11
DI 64 17 SG17
DI SG17 12
CLK MODE LOUD MONO KEY1
SG10
SG11
SG12
SG13
SG14
SG15
SG16
VOLB POW 13
SG1
SG2
SG3
SG4
SG5
SG6
SG7
SG8
SG9
R40 QSW SEL QSW QSW QSW QSW ENC-
14
1M
4
1
1
1
1
1
R39 C2 JH-CON14
102
47K
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
B B
SG10
SG11
SG12
SG13
SG14
SG15
SG16
VDD
SG1
SG2
SG3
SG4
SG5
SG6
SG7
SG8
SG9
MUTE
ENC+
ENC-
PTY
C5 104
VDD
REM
S 1 C3
2 R37
2
3
3 1K C6 47U
2
223 +
MUTE VOLA
EN-B
QSW 2811-30P
6 3 1
1
ROTARY
ENCODE
2
GND U1
7
EN-A
IR_SENSOR
C4
R38
1
1K
223
A A
Title
SDMP3-1813-KEY.SCH
Size Number Revision
A3
Date: 31-Jul-2007 Sheet of
File: D:\protelfile\KEY\129-SDMP3-1813-KEY.ddb By:
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