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Clear-Com Intercom Systems
KB-211/KB-211GM Two-Channel Speaker Stations
© Clear-Com Intercom Systems 1999
17
Rev. A
8.25K
OHM
1/10
SMD
1%
411477
R52
12.1K
OHM
1/10
SMD
1%
411493
R19 R38
15.0K
OHM
1/10
SMD
1%
411502
R16
20.0K
OHM
1/10
SMD
1%
411514
R24 R30 R31 R34 R39
56.2K
OHM
1/10
SMD
1%
411557
R37 R41
100K
OHM
1/10
SMD
1%
411581
R6 R12 R49 R50
121K
OHM
1/10
SMD
1%
411589
R32
475K
OHM
1/10
SMD
1%
411646
R26
1.0M
OHM
1/10
SMD
5%
411677
R54
10K
OHM
X4 SMD DIP Isolated
1%
416016
R8 R9 R10 R11
47K
OHM
X4 SMD DIP Isolated
1%
416018
R2 R3
100K
OHM
X4 SMD DIP Isolated
1%
416019
R1
220K
OHM
X4 SMD DIP Isolated
1%
416020
R7
470K
OHM
X4 SMD DIP Isolated
1%
416021
R4
Pot
10K
TRIMPOT
470058
R36
Pot
5K
TRIMPOT
470063
R40 R23
Pot
5K
POT
470081
R29
Diodes and Transistors
Device
Description
Part #
Designator
LED
BI-COLOR RED/GREEN 3 LEAD
390032
D8
LED
LED, YELLOW, ULTRA BRIGHT T1 3/4
390057
D14
IC
LM384 POWER 4W OP AMP 14 PIN
480012
IC5
IC
7805L POS 5V REGULATOR TO-92 PKG
480088
IC11
Diode
BAV70 DUAL DIODE COM CATHODE SMD
481019
D9 D12 D15 D16
IC
833 DUAL OPAMP... SMD
481023
IC1 IC2 IC8
Transistor
2907A PNP 60V 600MA... SMD
481027
Q2
Diode
BAV99 DUAL DIODE... SMD
481033
D1 D2 D3 D4 D5 D6
D11 D13
Transistor
MPSA14 DNPN 30V 300MA... SMD
481038
Q5
IC
DG444 QUAD CMOS ANALOG SW SMD
481050
IC9
Transistor
J175 P-CHANNEL JFET... SMD
481056
Q1 Q3
Diode
5.1V 5% ZENER 1/4W... SMD
481061
D7 D10
Transistor
MPSA64 DPNP 30V 500MA SMD
481075
Q4
IC
MICROPROCESSOR, KB/MR SERIES
710508
IC10
Miscellaneous
Device
Description
Part #
Designator
Connector
5 POS, SCREW TERM. PLUG-IN 5MM
210085
P4
XLR
4 PIN M FLUSH MOUNT W/SOLDER CUPS
210286
Connector
3 POS, SCREW TERM. PLUG-IN 5MM
210370
P10
Pot
SHAFT FOR PIHER POT, GREY
240043
R36
Pot
PIHER TRIMPOT SHAFT, GREY
240057
R23 R40
Pot
KNOB GREY INSERT .45 DIA POINT TO RD
240077
R29
Button
ROUND MINIATURE BUTTON, BLACK
240081
S5
Button
RECT. MINIATURE BUTTON, BLACK
240082
S4
Lens
LENS, YELLOW, ROUND FOR T1 3/4
240099
D14
Speaker
2 1/2 IN. SPKR 16 OHM 3.5W
500139
Summary of Contents for KB-211
Page 1: ...KB 211 KB 211GM TWO CHANNEL SPEAKER STATIONS USER MANUAL...
Page 2: ......
Page 23: ...Clear Com Intercom Systems 1999 21 Rev A FIGURE 9 KB 211 Schematic...
Page 31: ......