AudioArts Engineering D-70 - Clock;Timer (CLK-70) Schematic

600 Industrial Drive
New Bern, NC 28562
123
GND
C20
0.1uF
C16
22uF
C19
1uF
VCC
F1
POLYSW
1.0A
C18
0.1uF
LM2940
Q2
GND
OUTVIN
C13
330uF
C17
1uF
D10
1N4002
GND
D9 1N4002W
GND
R18
10.0K
VCC
GND GND
VCC
GND
C6
0.1uF
GND
C5
22uF
GND
R10
10.0K
C9
22uF
GND
C10
22uF
GND
D24148
C7
0.1uF
VCC
GND
C8
0.1uF
VCC
GND
R3
10.0K
R8
10.0K
R7
10.0K
R6
10.0K
R5
10.0K
R4
10.0K
VCC
GND
R23
619
R21
100
R22
619
GND
VCC
C15
0.1uF
VCC
GND
1
6
7
3
8
4
9
5
CT2
2
CT3
1
2
GND
R1
49.9K
GND
GND
R2
10.0K
VCC
C1
68pF
GND
D3 4148
D44148
R27 150
R35 150
R28 150
R31 150
R25 150
R34 150
C21
0.01uF
GND
C26
0.01uF
GND
C22
0.01uF
GND
C23
0.01uF
GND
C24
0.01uF
GND
C25
0.01uF
GND
R26 10K
R36 10K
R29 10K
R30 10K
R32 10K
R33 10K
VCC
D1 SS14
GND
GND
R19 150
R14 150
VCC
VCC
C12
2.2F
GND
C2
33pF
GND GND
C4
10pF
GND
C3
50pF
4.096MHz
PIC16LC66
U1
VDD
RB7
RB6
RB5
RB4
RB3
RB2
RB1
RB0/INT
RA4/T0CKI
RA0
RA1
RA2
RA3
RA5/SS
MCLR/VPP
OSC1/CLKIN
OSC2/CLKOUT
RC3/SCK/SCL
RC2/CCP1
RC1/T1OSI/CCP2
RC0/T1OSO/T1CKI
RC7/RX/DT
RC6/TX/CK
RC5/SDO
RC4/SDI/SDA
___
______
GND
R24 100K
D6
4148
Page 38
1 OF 1CLK-220E PCB
220/Apr 2002
W# 700575
29S0034
SA
SA
SA 4-8-02
CLK-220
E
CLK-220 Clock/Timer Schematic Sheet 1 of 1
CHECKED
ISSUED
DRAWN
CONTRACT NO.
APPROVALS DATE
SCALE SHEET
D
REVDWG. NO.FSCM NO.SIZE
87654321
12345678
A
B
C
D D
C
B
A
R17 51 R16 51
D7
1N4002W
D8
MBR130
J1
VCC
GND
R12
1.00K
C11
1uF
U2
74LS74
Q
_
Q
___
__
CLR
D
PR
CK
U2
74LS74
Q
_
Q
___
__
CLR
D
PR
CK
GND
GND
DS90C031
EN
EN
INA
INB
INC
IND
__
OUTA
OUTB
OUTC
OUTD
OUTA
OUTB
OUTC
OUTD
_____
_____
_____
_____
D5 4148
R9 1.00K
C14
330uF
AGND1
AGND2
AGND3
AGND4
U4
74AC14
U4
74AC14
U4
74AC14
U4
74AC14
U4
74AC14
8
74AC14
U4
7
9
14
GND
3V_BCKUP
51 R11
TP1
GND
GND
GND
GND
GND
+DIGin +REGin
ESE_IN
ESE INPUT
SHIELD
GND
+Dreturn
SLAVE CLOCK
SLAVE TIMER
MSTR CLK/TMR
24 HR CLOCK
DIM DISPLAY
TEST MODE
RST CLK/TMR
SET
MODE
INSTALL FOR
24 HOURS
OPERATION
BACK-UP
BATTERY
3V 560mAH
NOT INSTALLED NOT INSTALLED
Timer Reset: Resets to zero, does not affect S/S status
If AUTO LO same as XDRESET
Same as pressing Timer HOLD
Same as pressing S/S
Leave Open
For external supply,
disconnect +DIGin
from Pins 7 and 9 and
replace with +6V to +9V
external supply
XDRESET:
XDTIMERRESTART:
HOLD:
START_STOP:
+Dreturn:
N/C
N/C
OUT~
OUT
IN~
IN
N/C
N/C
N/C
DB-9
CONN
RS-485
RS-485
I/O
PORT
FROM CONSOLE
INSTALL ONE
TO CLD-220 PCBTO CLD-220 PCB