Instruction manual

A A
B B
C C
D D
E E
4 4 3 3 2 2 1 1
1. ALL RESISTORS ARE 1/10W 1% LISTED IN OHMS 2. RESISTORS 1/4W AND GREATER ARE 5% TOLERANCE 3. ALL CAPACITORS ARE LISTED IN MICROFARADS
NOTES: (UNLESS OTHERWISE SPECIFIED)
PROGRAMMING / TEST INTERFACE 1 - Gnd / Gnd 2 - Data / Strobe
3 - n/a / Data Out 4 - Clock / Clock 5 - MCLR (not) / Data In 6 - +5V / n/a
CW
Program Off / Test Tone Program On
CW CW
Link Off Link On
Ch. A Program Level Ch. B Program Level
Ch. A Ch. B
Balanced Program Input
30 VDC Input from Switching Power Supply
OptionsCh. A
Fault (red)
Ch. B Fault (red)
Power (green)
Tone Off Tone On
Ch. B Termination
Ch. A Termination
Link (yellow)
CH A CH B
Test Jack
Schematic
PS-232 Power Supply
710568 - SCH - C - AC
11
710568SA.DSN
JKG
3-13-01
-----------------------
CHK DWN APP
DATE DATE DATE
ORCAD P/N SHEET:
OF:
SCALE SIZE DWG No. REV
TITLE:
CLEAR-COM
INTERCOM SYSTEMS
R
A
2899
Release to Manufacturing
1-11-02
JKG
REV ECO# DESCRIPTION DATE BY CHK
+5V
+5V
+5V
+5V
+5V +5V
+5V
+5V
Bias
Bias
Bias
+30V
Bias
+30V
+30V
+30V
+30V
VCC GND
+5V +5V +5V
+30V +30V
+30V
R52 221
R39 10
D1 1N5401
R30 100K
P7
1
3
2
4
C1
.1uF
S6
2
1 3
R53 221
+
C16 22uF
R7 4.75K
S3
2
1 3
+
C25 .47uF
P9
1
3
2
4
C6
.1uF
R2 10
R10 475
C10 470 pF
R14 1K 1/2W
D8
C27
.22uF
+
C28 10uF
R11 1K 1/2W
K1
1
4 3
2 5
D7
R15 100K
R29 10.0K
R26 10.0K
+
C29 10uF
R33 100K
Q8 MMBT2222A
3
1
2
S2
2
1 3
5
4 6
R31 100K
D6
D9 BAV70
1 2
3
R21 3.92K
R16 100K
R36 475
IC2 PIC16C505P
13 12 11
4 3 2
10 9 8 7 6 5
114
RB0 RB1 RB2 RB3 RB4 RB5
RC0 RC1 RC2 RC3 RC4 RC5
VDDVSS
C13 .33uF
C18
.1uF
R17 100K
S7
2
1 3
5
4 6
C5 .33uF
+
C12 1uF TANT
R6
.11 1W
R22 3.92K
R8 1.00K
R54 10K
31
2
P10
1
3
2
4
P1
1 2 3
R24 10.0K
R20 10.0K
D10 BAV99
1 2
3
+
C7 470uF
C14
.22uF
R32 100K
R3 4.75K
R42 47.5K
R38 100K
R18 100K
R19 10.0K
R13 1K 1/2W
R37 10.0K
Q7 MMBT2222A
3
1
2
J1
2 3 1
D4 1N5822
+
C2 1000uF
P5
1 2 3 4 5 6
R44 10K
31
2
+ -
IC4A LM833 SOIC
3 2
1
84
Q11 MMBT2222A
3
1
2
R9 1.00K
+ -
IC4B LM833
5 6
7
R40 0
Q2
MMBT2907A
S4
2
1
3
5
4
6
C17
.1uF
C24 47pF
Q1
MMBT2907A
Q5 MMBT5551
3
1
2
S5
2
1
3
5
4
6
C19
47pF
R35 475
Q10 MMBT5551
3
1
2
R57 4.75K
Q3 TIP35C
2
1
3
C9 470 pF
C23 .33uF
R50 100K
Q6 MMBT5551
3
1
2
C15 .01uF
C22 .33uF
Q12 MMBT5551
3
1
2
R46 100K
S1
2
1 3
5
4 6
R5
.11 1W
R34 475
R1
.18 1W
R48 100K
+
C3 1uF TANT
Q4 TIP35C
2
1
3
R43 100K
D5 1N5822
IC3 74HC165
10 11 12 13 14 3 4 5 6 2 15 1
9 7
SER
A B
C D
E
F
G
H
CLK
INH
SH/LD
QH QH
R27 10.0K
R47 100K
D2 1N5401
R49 50K
31
2
R23 10.0K
P2
1
3
2
4
C11
.1uF
R25 10.0K
IC1
7805T
1 3
2
VIn VOut
GND
R45 4.32K
P3
1
3
2
4
+
C8 470uF
C21 .47uF NP
R56 4.75K
R51 20.0K
R41 47.5K
R12 1K 1/2W
C4 .01uF 1.4KV
P4
1
3
2
4
Q9 MMBT2222A
3
1
2
R55 4.32K
D3
R4 10 1/4W
C20 47pF
P6
1
3
2
4
R28 10.0K
C26 .47uF NP
P8 1 2 3 4 5