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Resistors (Continued)

Value

Power

Type

Tol.

Part #

Designator

120

OHM

1/4

Carbon Film

5%

410053

R105 R106

1M

OHM

1/4

Carbon Film

5%

410058

R9 R16 R83 R85 R163

2.2K

OHM

1/2

Carbon Film

5%

410068

R20 R21

820K

OHM

1/4

Carbon Film

5%

410070

R23

.39

OHM

2

Carbon Film

5%

410073

R28

120K

OHM

1/4

Carbon Film

5%

410079

R135 R136

43K

OHM

1/4

Carbon Film

5%

410084

R25 

20.0K OHM

1/4

Carbon Film

1%

410086

R12 R13 R117 R120 R121 R129
R139 R140 R182 R187 R201 R202
R205 R206 R207 R208 R212 R213
R215 R216

820

OHM

1/4

Carbon Film

5%

410096

R123

9.1K

OHM

1/4

Carbon Film

5%

410100

R14 R15 R17 R119 R141 R142 R224

47.5K OHM

1/8

Metal Film

1%

410105

R99 R100 R126 R166 R167 R209
R210 R211 R214

430

OHM

1/4

Carbon Film

5%

410106

R1 R115 R131 R160

2.2

OHM

1/4

Carbon Film

5%

410113

R191 R173 R225

6.2K

OHM

1/4

Carbon Film

5%

410137

R96 R101

60.4K OHM

1/4

Metal Film

1%

410164

R71 R73

1.5

OHM

1/4

Carbon Film

5%

410208

R225

100K

OHM

X 9 SIP BUSSED

415002

RP1 RP2

220K

OHM

X 4 SIP ISOLATED

415007

RP3

Diodes and Transistors

Device

Description

Part #

Designator

Diode

1N4148 SIGNAL 10MA 75PIV

480000

D1 D3 D7 D8 D9 D11 D16 D19 D20
D21 D22 D26 D27 D33 D34 D43 D45
D46 D48

Transistor

MPS-A13 NPN 30V DARL

480004

Q11 Q14 Q15 Q16 Q17 Q18 Q19

Diode

1N5401 RECT 3A 100PIV

480005

D5 D6

Transistor

MPS-A63 PNP 30V DARL

480008

Q12 Q13

Diode

1N957B ZENER 6.8V .4W 5%

480026

D12 D14

Transistor

MPS-A55 PNP 60V

480050

Q2 Q3 Q4 Q5 Q6

Transistor

MPS-A05 NPN 60V

480052

Q8 Q23

Diode

1N4003 RECT 1A 200PIV

480058

D2 D4 D10 D13 D15 D47

Transistor

2N5639 JFET NCHAN 8V VGS

480069

Q25

Transistor

J174 JFET PCHAN 8V VGS

480079

Q21 Q22

Transistor

TIP41 NPN 40V 6A TO-220 POWER

480099

Q24

Transistor

TIP35C NPN 100V 25A TO-218

480228

Q9 Q10

Integrated Circuits

Device

Description

Part #

Designator

IC

LM384 POWER 4W AMP

480012

IC14

IC

555 TIMER

480017

IC1

IC

LM340-15 POS 15V REGULATOR

480024

IC8

IC

RC4559NB DUAL OP AMP

480056

IC16 IC17 IC20 IC23

IC

4071 CMOS QUAD 2 IN OR GATE

480081

IC7

IC

4584B CMOS HEX SCMITT TRIG

480090

IC2 IC9

IC

4040 CMOS 12 STAGE CONVERTER

480108

IC12

IC

4011 CMOS QUAD 2 IN NAND GATE

480111

IC5

IC

4001 CMOS QUAD 2 IN NOR GATE

480112

IC4

IC

4013 CMOS DUAL D TYPE FLIP FLOP  

480171

IC3 IC13

IC

LM833N DUAL OP AMP

480175

IC15 IC18 IC19

IC

DG444 QUAD ANALOG SWITCH

480212

IC21 IC22 IC24

IC

4556 CMOS DUAL 1 OF 4 DECODER

480236

IC10

Clear-Com MS-232 Two-Channel Main Station

15

Содержание MS-232

Страница 1: ...his function and an associated relay A balanced program input allows monitoring external audio using the headset or speaker This main station accepts dynamic headsets such as the Clear Com PL ProTM Series Individual side tone controls for each intercom channel allow the operator to vary the level of his her own voice as heard in the headset and speaker It also accepts Clear Com gooseneck panel mic...

Страница 2: ...intercom opera tion set the Listen level controls for each channel to the desired level and press the Talk buttons when talking If a headset is used set the Sidetone control for each channel for the desired amount of side tone in the earphone If the Panel Mic and Speaker are being used set the sidetone controls for mini mum feed through to the speaker to prevent feedback Front Panel The controls i...

Страница 3: ...le the Call button is pressed indi cating the presence of a Call signal on the line 3 Tone Alert An audible tone alert can be enabled to sound when a Call signal is received on either channel This can be useful when the operator s attention has been drawn away from the MS 232 indicator panel Press the Tone Alert button to alternately enable or disable the audible tone alert The green indicator nex...

Страница 4: ...ogram audio level heard on the intercom There are three Program Level controls The Program Level knob to the left of the Speaker On Off switch adjusts the level of program heard in the headset or panel speaker The program levels heard on each intercom channel line can be individually adjusted but this is intended to be a one time setting made when the MS 232 is set up This is done using the screwd...

Страница 5: ...audio feed to the Announce Output is enabled it is interrupted by the announcement Program audio feed to the Announce Output is selected by setting jumper JP2 on the Main board to the ON posi tion Optionally pressing the Announce button can also disconnect the selected headset or panel microphone audio from the intercom line s This option is controlled by the Interrupt Announce option switch 19 He...

Страница 6: ...ation The default position of the switches is in the OFF up position The function of each switch is as follows 1 MOM TALK A Setting the Momentary Talk A switch to the ON position will disable the latching function of the Channel A Talk button In this mode the Talk button must always be held in continuously while the operator is talking on Channel A 2 MOM TALK B Setting the Momentary Talk B switch ...

Страница 7: ...AC power cord to be used Voltages from 90 to 240 VAC at 50 or 60 Hz are acceptable The MS 232 will automatically adjust for the power applied so there are no manual switches to set power line voltage or frequency 21 Intercom Line Connection The MS 232 contains three 3 pin male XLR connectors for each intercom line These connectors are wired in parallel Any single channel station or channel of a mu...

Страница 8: ...s balanced and transformer isolated It has a 600 ohm impedance and a nominal output level of 0 dBV A shielded twisted pair cable should be used in the cable wired to this connector 24 Relay Out A dry set of relay contacts is provided through a 1 4 inch jack to activate external switching as needed when the Announce button is pressed These contacts can be used to control an external device such as ...

Страница 9: ...il the faulty line is located Once the short is removed the MS 232 will reset automatically and power will come back up within several seconds Check for shorts between pins 1 and 2 or improper cable wiring Clear Com MS 232 Two Channel Main Station 9 EQ LIM EQ LIM Headset Select Headset Mic Panel Mic Hot Mic Out Announce Announce Output Talk Int On Off Program Level A Sidetone Call Light Call Send ...

Страница 10: ... com connector If this condition occurs it is because the system ground came into contact with something that was HOT with respect to the power supply earth ground Carefully check the system ground and AC distribution in the area WARNING THIS IS A POTENTIALLY DANGEROUS SITUATION A SHOCK HAZARD MAY EXIST BETWEEN A REMOTE STATION HEADSET AND GROUND Problem System feedback Acoustical Cause 1 Listen L...

Страница 11: ... Designator 4 7K OHM 1 4 Carbon Film 5 410013 R300 10K OHM 1 4 Carbon Film 5 410016 R312 R313 36K OHM 1 4 Carbon Film 5 410163 R303 Diodes and Transistors Device Description Part Designator LED RED ROUND FLAT TOP LED 390044 LED301 LED303 LED GREEN ROUND FLAT TOP LED 390045 LED302 LED300 LED304 Diode 1N4148 SIGNAL 10MA 75PIV 480000 D301 Miscellaneous Device Description Part Designator Button FLAT T...

Страница 12: ...h SPDT ON OFF ON 510120 S309 S310 Cord IEC POWER CORD 610022 Cable POWER ENTRY HARNESS 740063 Cable DC POWER CABLE MS 232 PS 464 740064 Cable ASSY CABLE HEADSET MS 232 740065 Cable ASSY CABLE PLUG IN MIC MS 232 740066 Speaker SPEAKER ASSY MS 232 740067 Cable RIBBON 3 CONN 770021 J16 J18 Cable RIBBON 16 PIN 770023 Clear Com MS 232 Two Channel Main Station 12 ...

Страница 13: ......

Страница 14: ...04 1 uF Tantalum 35V 20 150116 C63 01 uF Metal Film 100V 2 150122 C98 047 uF Mylar 100V 5 150131 C22 C39 C61 C64 C65 C66 C88 C105 100 uF Aluminum 35V 150136 C7 C8 C90 C91 C121 47 uF Aluminum NP 50V 150151 C24 C25 Resistors Value Power Type Tol Part Designator 10 OHM 1 4 Carbon Film 5 410002 R127 22 OHM 1 4 Carbon Film 5 410004 R107 R116 R199 220 OHM 1 4 Carbon Film 5 410007 R75 R146 R159 R194 R196...

Страница 15: ... D8 D9 D11 D16 D19 D20 D21 D22 D26 D27 D33 D34 D43 D45 D46 D48 Transistor MPS A13 NPN 30V DARL 480004 Q11 Q14 Q15 Q16 Q17 Q18 Q19 Diode 1N5401 RECT 3A 100PIV 480005 D5 D6 Transistor MPS A63 PNP 30V DARL 480008 Q12 Q13 Diode 1N957B ZENER 6 8V 4W 5 480026 D12 D14 Transistor MPS A55 PNP 60V 480050 Q2 Q3 Q4 Q5 Q6 Transistor MPS A05 NPN 60V 480052 Q8 Q23 Diode 1N4003 RECT 1A 200PIV 480058 D2 D4 D10 D13...

Страница 16: ...nector SINGLE ROW RT ANG HEADER 210253 JP1 3 JP2 3 Connector DUAL ROW HEADER 8 POS 230IN 210276 P17 Connector DUAL ROW HEADER 17 POS 230IN 210279 P16 P22 Connector DUAL ROW HEADER 7 POS 320IN 210282 J25 Connector 7 POS DUAL ROW SOCKET 635 TALL 210349 J26 Relay SPDT 24V MINI PC RELAY 450004 K2 Pot 2K TRIMPOT H MTG 470029 R161 Pot 50K TRIMPOT 470059 R193 Switch DIP SWITCH PIANO 8 POS 510110 S1 Switc...

Страница 17: ...R214 47 5K C129 1uF C66 047uF R8 0 R130 2K R21 2 2K 1 2W R213 20K R186 4 7K C78 470pF R20 2 2K 1 2W R215 20K R211 47 5K R11 1K R187 20K Q10 TIP35 2 1 3 C56 47uF C105 047 R12 20K Q9 TIP35 2 1 3 IC21A DG444 3 1 2 13 4 5 12 R10 1K R105 120 C108 01uF J20 R217 6 8K R13 20K S12 SW SPDT R14 9 1K C104 0047uF R218 6 8K R144 15K S13 SW SPDT R15 9 1K R145 6 8K IC22A DG444 3 1 2 13 4 5 12 R6 1K Q19 MPSA13 3 2...

Страница 18: ...001 8 9 10 IC13B 4013 9 11 13 12 8 10 D CLK Q Q S R S302 IC2B 4584 3 4 IC2C 4584 5 6 Q18 MPSA13 3 2 1 RP2 2 100K SIP IC2A 4584 1 2 Q15 MPSA13 3 2 1 S1 1 OPTION LED300 IC2D 4584 9 8 Q14 MPSA13 3 2 1 S1 6 OPTION R300 4 7K R44 470k D27 Q11 MPSA13 3 2 1 S1 5 OPTION IC4B 4001 5 6 4 Q16 MPSA13 3 2 1 S1 2 OPTION IC4A 4001 1 2 3 C46 01uF Q17 MPSA13 3 2 1 S1 4 OPTION S304 S1 3 OPTION IC10A 4556 2 3 1 4 5 6...

Страница 19: ..._________ Date Purchased_____________________________ Purchased from dealer ______________________________________________________ Address___________________________________________________________________ City_________________________________State___________________Zip____________ Factory Service All equipment returned for repair must be accompanied by documentation stating your return address te...

Страница 20: ...anced differential input Input Level 20 dBV Input Impedance 100 KΩ Frequency Response 150 Hz 18 KHz 2 dB TERMINATION IMPEDANCE Impedance 200 switchable Ω POWER SUPPLY Type Switching with overcurrent limiting and reset circuitry Output Voltage 30 volts DC Output Current 2 amps peak 1 75 amps max distributed over both channels Short Circuit Reset Time 15 sec Hum Noise 80 dBv STATION CAPACITY Capacit...

Страница 21: ...ENTS 90 240 VAC 50 60 Hz 60 VA ENVIRONMENTAL 32 122o F 0 50o C DIMENSIONS 19 W x 1 75 H x 6 5 D 483 mm x 44 mm x 165 mm WEIGHT 5 0 lbs 2 75 kg NOTICE ABOUT SPECIFICATIONS While Clear Com makes every attempt to maintain the accuracy of the information contained in its prod uct manuals that information is subject to change without notice Performance specifications included in this manual are design ...

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