![background image](http://html.mh-extra.com/html/cpi/tr-series/tr-series_instruction-manual_2675036013.webp)
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A
A
B
B
C
C
D
D
E A R P I E C E
A D J U S T
S W 2
S W 3
S W 4
S W 5
S W 6
R E M O V E F O R I N C R E A S E D
P A N E L / B O O M M I C G A I N
MIC LEVEL
I N S T A L L F O R
F U L L D U P L E X
(2 PAIRS)
N O T E :
U 6 I S R E M O V E D
A N D T R 4 0
O N T R 2 0 , T R 3 0
C
T R S E R I E S
CPI COMMUNICATIONS, INC.
C
3
4
Friday, January 03, 1997
Title
Size
Document Number
R e v
Date:
Sheet
of
R X A U D I O
C O M P R E S S O R O U T
C O N T R O L 5
C O N T R O L 3
P A N E L / B O O M M I C
D E S K M I C B I A S
F D P A T H
H A N D S E T / D E S K M I C H I
C O N T R O L 2
C O N T R O L 4
T X A U D I O
B E E P I N P U T
C O N T R O L 1
E A R P I E C E
S P E A K E R H I
A U X I N P U T 2
C O N T R O L 4
VOL HI
A U X P T T L E D
A U X I N P U T 2
VOL HI
V O L W P R
B E E P I N P U T
C O M P R E S S O R O U T
C O N T R O L 5
V O L L O
S P E A K E R L O
C O N T R O L 1
V C C
V C C
V B
V B
V B
V B
+5
V B
V B
V B
V B
V B
V B
V B
V B
V B
V B
V B
V S S
V C C
V D D
G N D
V E E
V B
V B
V C C
V B
R 3 7
1 0 K
C 9
.47uF
C 7
.1uF
R 9
1 0 K
Q 2
2 N 2 2 2 2
R 7
1 K
U 2 A
L F 3 4 7
+
-
3
2
1
R 8
1.8M
C 6
1 u F
D 1
1 N 4 1 4 8
D 2
1 N 4 1 4 8
R 3 2
1 K
R 3 4
1 0 0 K
U 2 C
L F 3 4 7
+
-
1 0
9
8
R 3 5
1 0 K
R 1 0
1 0 0 K
C 8
4 7 0 p F
C 2 4
.033uF
C 2 2
.033uF
R 3 0
6.8K
C 2 3
.033uF
R 3 3
1.2K
U 2 D
L F 3 4 7
+
-
1 2
1 3
1 4
R 4 3
2.7
C 1 7
4.7uF
R 4 1
2.7
C 1 3
4.7uF
C 1 6
.01uF
R 2 1
2 2 K
R 2 3
1 0 0 K
R 4 2
1 0 0 K
R 1 9
44.2K
R 1 6
44.2K
R 1 5
7.32K
R 1 2
10.0K
R 3 8
1 K P O T
1
3
2
C 2 5
2.2nF
R 1 1
1 0 K
R 7 7
1 0 K
R 7 8
1 0 K
U 7 D
L F 3 4 7
+
-
1 2
1 3
1 4
R 7 1
1 0 0 K
U 7 C
L F 3 4 7
+
-
1 0
9
8
R 7 3
1 0 0
C 3 8
2 2 u F
C 3 7
.1uF
R 7 4
1M
U 7 B
L F 3 4 7
+
-
5
6
7
R 6 9
1 0 K
R 6 8
1 0 0
R 6 4
5.1K
C 4 0
.1uF
R 4 0
3.9K
C 3 6
1 0 0 u F
R 6 5
2 7 K
R 1 3
6.81K
R 1 4
10.0K
U 3 A
L F 3 4 7
+
-
3
2
1
U 3 B
L F 3 4 7
+
-
5
6
7
R 1 8
10.0K
R 4 5
1 0 K
D 6
1 N 4 1 4 8
D 5
1 N 4 1 4 8
R 4 6
1 0 K
R 4 4
2.7
C 2 7
.1uF
C 1 4
.1uF
R 2 0
1 0 0 K
C 3 9
.1uF
R 1 7
10.0K
C 5
1 u F
R 7 9
1 0 K
C 1 0
.01uF 1%
C 1 1
.01uF 1%
C 2 6
2 2 0 u F N P
R 3 1
2 2 0 K
U 2 B
L F 3 4 7
+
-
5
6
7
U 3 D
L F 3 4 7
+
-
1 2
1 3
1 4
U 3 C
L F 3 4 7
+
-
1 0
9
8
U 7 A
L F 3 4 7
+
-
3
2
1
C 2 8
2 2 0 u F
C 1 2
2 2 0 u F
Q 3
2 N 2 9 0 7
R 2 2
1 0
C 4 1
.01uF
R 7 0
3.9K
R 4 7
5 6 0 K
C 4 2
4 7 p F
1 5
2
R 6 6
6 8 K
R 6 7
6 8 K
R 4 9
1 K
1 4
3
1 3
4
R 1 2 6
1 8 K
R 1 2 7
1 8 K
R 3 6
1 K
R 7 2
1 8 K
1 1
6
12
5
R 9 0
2 2 0
R 3 9
1 K P O T
1
3
2
R 9 6
2 5 K P O T
1
3
2
C 1 5
.01uF
J1
C O N 1 0
1
2
3
4
5
6
7
8
9
1 0
R 7 5
5 K P O T
1
3
2
U 6 D
4 0 6 6
8
9
6
U 9 C
4 0 6 6
4
3
5
U 6 A
4 0 6 6
1
2
13
U 9 D
4 0 6 6
8
9
6
U 9 A
4 0 6 6
1
2
1 3
U 5
L M 3 80
+
-
2
6
8
14
7
1
U 4
L M 3 80
+
-
2
6
8
14
7
1
U 6 C
4 0 6 6
4
3
5
U 6 B
4 0 6 6
1 1
1 0
12
J U 6
S O L D E R J U M P E R
J U 4
SOLDER JUMPER