Circuit diagram

1 2 3 4 5 6 7 8
A
B
C
D
87654321
D
C
B
A
Title: OMNITRONIC CMP-102
Number RevisionSize
A3
Date: 22-Jan-2008 Sheet of
Drawn By:
LCD_DB5
LCD_DB6
LCD_DB4
LCD_DB7
VDD
5
P3.0/SEG4
29
AD5/T1CK1/P1.4
16
SCK/SEG1/P2.5
20
SO/SEG0/P2.4
19
S1/AD7/P2.3
18
T1OUT0/AD4/P2.2
15
T1CAP0/PWM/P2.1
14
TX/SEG3/P2.7
22
INT2/TACAP/P1.2
3
P4.2/SEG14
39
INT0/TAOUT/P1.0
1
TBPWM/T1CK0/P2.0
13
P0.3/COM3/AD3
28
RX/SEG2/P2.6
21
INT3/T1OUT1/P1.3
4
nRESET
12
P4.4/SEG16/COM4
41
P3.2/SEG6
31
VSS
6
OSC1/CLKIN
8
OSC2/CLKOUT
7
T1CAP1/AD6/P1.5
17
Xtin
10
Xtout
11
INT1/BUZ/TACK/P1.1
2
P4.0/SEG12
37
P4.6/SEG18/COM6
43
P4.3/SEG15
40
P4.5/SEG17/COM5
42
P4.1/SEG13
38
P3.1/SEG5
30
P3.5/SEG9
34
Avref
23
Avss
24
P4.7/SEG19/COM7
44
TEST
9
P0.0/COM0/AD0
25
P3.7/SEG11
36
P3.6/SEG10
35
P0.1/COM1/AD1
26
P0.2/COM2/AD2
27
P3.4/SEG8
33
P3.3/SEG7
32
U1
SW42
SKIP+
SW39
+10
C4
104
R7
10K
SW49
CUE
SW45
PLAY/PAUSE
SW51
PROG
SW43
OPEN/CLOSE
SW60
REPEAT
SW59
SGL/CTN
KEY2 KEY3 KEY4 KEY5
SW53
SKIP-
SW55
TIME
KEY6
SW56
PITCH+
KEY0
KEY1
KEY2
KEY3
R22
10K
R23
10K
R24
10K
R25
10K
R26
10K
+5V
KEY0
KEY1
KEY2
KEY3
KEY4
KEY5
KEY6
+5V
LED-SCK
LED-S/D
LED-RCK
KEY7
LD10 PLAY/PAUSE
R3 1
10 0
R4 3 10 0 R5 2 56 R3 7 10 0
C10
104
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16
U5
QB QC QD QE QF QG QH
GND
Vcc QA SI /G RCK SCK /SCLR QH'
LED-SCK
LED-RCK
LED-S/D
LD16
PLAY/PAUSE
R5 1 56
KEY7
R27
10K
UART-TXD
UART-RXD
UART-TXD
UART-RXD
+5VA
+5V
X2
10MHZ
C17
27P
C16
27P
+
C18
100/16
C12
104
+5VA
L4
10UH
+
C19
10/50
+5VA+5V
+5V
IR
NRESET
NRESET
1
2
3
4
5
6
7
8
JP3
CON8
REM
+5V
IR1
C21
104
R53
47
IR
R19 10K
R16
10K
+5VA
R28
10
+
C15
10/16
+5V
+5V
LD17 CUE
LD18
CUE
LD19 DOOR
LD21 SGL
LD23 PITCH ON/OFF
LD20 DOOR
LD22 SGL
LD24 PITCH ON/OFF
SW62
FWD
SW61
REV
KEY4
1
2
3
4
5
6
7
8
9
LCD1
CON9
VSS
VDD
RS
R/W
E
DB4
DB5
DB6
DB7
VR1
10KB