Telex MCE325 manual RP2

Page 63

Table 5.6 Reference 9027-6245-01 Drawing, Section 6

R67

Resistor, CF, 22K Ohm, 5%, 1/8W

524154028

 

 

 

R68

Resistor, CF, 22K Ohm, 5%, 1/8W

524154028

 

 

 

R69

Resistor, CF, 22K Ohm, 5%, 1/8W

524154028

 

 

 

R7

Resistor, MF, 301 Ohm, 1%, 1/8W

54034150

 

 

 

R70

Resistor, CF, 10K Ohm, 5%, 1/8W

52154036

 

 

 

R73

Trimpot, 10K Ohm, Linear

1409006000

 

 

 

R74

Resistor, MF, 60.4K Ohm, 1%, 1/8W

54035604

 

 

 

R75

Resistor, MF, 20K Ohm, 1%, 1/8W

54035200

 

 

 

R76

Resistor, MF, 60.4K Ohm, 1%, 1/8W

54035604

 

 

 

R77

Resistor, MF, 20K Ohm, 1%, 1/8W

54035200

 

 

 

R78

Resistor, CF, 100 Ohm, 5%, 1/8W

52154084

 

 

 

R79

Resistor, CF, 100K Ohm, 5% 1/8W

52154012

 

 

 

R8

Resistor, MF, 301 Ohm, 1%, 1/8W

54034150

 

 

 

R80

Resistor, CF, 22K Ohm, 5%, 1/8W

524154028

 

 

 

R81

Resistor, CF, 47K Ohm, 5%, 1/8W

52154020

 

 

 

R82

Resistor, CF, 22K Ohm, 5%, 1/8W

524154028

 

 

 

R83

Resistor, CF, 22K Ohm, 5%, 1/8W

524154028

 

 

 

R84

Resistor, CF, 22K Ohm, 5%, 1/8W

524154028

 

 

 

R85

Resistor, CF, 10K Ohm, 5%, 1/8W

52154036

 

 

 

R88

Trimpot, 10K Ohm, Linear

1409006000

 

 

 

R89

Resistor, MF, 60.4K Ohm, 1%, 1/8W

54035604

 

 

 

R9

Resistor, MF, 301 Ohm, 1%, 1/8W

54034150

 

 

 

R90

Resistor, MF, 20K Ohm, 1%, 1/8W

54035200

 

 

 

R91

Resistor, MF, 60.4K Ohm, 1%, 1/8W

54035604

 

 

 

R92

Resistor, MF, 20K Ohm, 1%, 1/8W

54035200

 

 

 

R94

Resistor, CF, 100 Ohm, 5%, 1/8W

52154084

 

 

 

R95

Resistor, CF, 100K Ohm, 5% 1/8W

52154012

 

 

 

R96

Resistor, CF, 22K Ohm, 5%, 1/8W

524154028

 

 

 

R97

Resistor, CF, 47K Ohm, 5%, 1/8W

52154020

 

 

 

R98

Resistor, CF, 22K Ohm, 5%, 1/8W

524154028

 

 

 

R99

Resistor, CF, 22K Ohm, 5%, 1/8W

524154028

 

 

 

RP1

Resistor Network, 100K Ohm X4, No Common, 1.1W

1411100302

 

 

 

RP10

Resistor Network, 100K Ohm X4, No Common, 1.1W

1411100302

 

 

 

RP11

Resistor Network, 100K Ohm X4, No Common, 1.1W

1411100302

 

 

 

RP12

Resistor Network, 100K Ohm X4, No Common, 1.1W

1411100302

 

 

 

RP14

Resistor Network, 680 Ohm X 5, No Common, 1.5W

1411680000

 

 

 

RP15

Resistor Network, 680 Ohm X 5, No Common, 1.5W

1411680000

 

 

 

RP2

Resistor Network, 22K Ohm X 9, Pin 1 Common, 1.5W

1411220201

 

 

 

RP3

Resistor Network, 100K Ohm X4, No Common, 1.1W

1411100302

 

 

 

RP5

Resistor Network, 22K Ohm X 9, Pin 1 Common, 1.5W

1411220201

 

 

 

RP6

Resistor Network, 10K Ohm X 4, Pin 1 Common, 0.9W

1411100204

 

 

 

RP7

Resistor Network, 10K Ohm X 4, Pin 1 Common, 0.9W

1411100204

 

 

 

RP8

Resistor Network, 22K Ohm X 9, Pin 1 Common, 1.5W

1411220201

 

 

 

RP9

Resistor Network, 22K Ohm X 9, Pin 1 Common, 1.5W

1411220201

 

 

 

S1

Switch, DIP, Low Profile

1909000200

 

 

 

T1

R-Core XFMR

9020653400

 

 

 

5-11

Page 62 Page 64
Image 63
Page 62 Page 64
Contents Model MCE325 Proprietary Notice Return Shipping Instructions End-User License Agreement for Telex Software Table of Contents Operation Diagrams Page Features DescriptionGeneral Connections, Inputs and Outputs Front Panel FeaturesIntercom Lines Rear Panel FeaturesPower Mounting ConfigurationProgramming Headphone Amplifier MCE325 SpecificationsPower and Mechanical Microphone PreamplifierConnectors MCS325 SpecificationsStandard four-channel, two-wire configuration Standard two-channel, four wire configuration Page 10M C E 3 2 5 U s e r I n s t r u c t i o n s 11 MCE325 button configurations 12M C E 3 2 5 U s e r I n s t r u c t i o n s Internal Programming and Adjustments InstallationSwitch Number Switch Function Default Setting Jumper Number Jumper Function Default Setting Internal DIP switches, jumpers and level trimmers Remote Talk-off DS7 Front Panel Setup Mode Lock-out DS4Program Assignment IFB Option J4, J5, J16-J18 Mechanical InstallationHeadphone Sidetone Trimmer Adjustment R37 Speaker Dim Adjustment R157Mounting configurations Electrical Installation AC Power and FuseIntercom Lines J8, J9, and J10 External Speaker, J27 Auxiliary Connector, J22Four-Wire Channel a and B Input Program Inputs, J14 and J15External Headset Remote Microphone SwitchKey outputs Expanded IFB Option ISO ConnectionFront Panel Headset Connections Carbon-microphone headset connector Momentary/Latching Button action LED IndicatorsGeneral Operating InstructionsMicrophone On/Off Volume AdjustmentFront Panel Sidetone Nulling Trimmer Adjustment Panel Mic/Headset Mic SelectionFront Panel Programming Four-channel Listen Call DisableLatch Disable Channel IDInstant Mic Reset6C S I 2 0 0 U s e r I n s t r u c t i o n s Factory Support Information Preventive MaintenanceCorrective Maintenance AccessTest Equipment Test and Adjustment ProceduresCleaning Power Supply TestKeying Output Test Initial ConfigurationFrequency Response and Level Check, Mic to Line Four-Channel, Two-Wire ModeTwo-Channel, Four-Wire Mode Sidetone Null Test and AdjustmentTalk Button Test Point Potentiometer True Sidetone AdjustProgram a to Left Headphone IFB Test Program B to Right HeadphoneProgram to Speaker Four-Wire B input to Right Headphone Four-Wire a Input to Left HeadphoneMic Kill Receive Test Panel Mic to Channel TestCarbon Mic to Channel Test VOX TestMic Kill Transmit Test Call Transmit TestCall Receive Test Noise Checks Remote Mic Switch TestISO Test Program Lockout TestPage 14C S I 2 0 0 U s e r I n s t r u c t i o n s Final Assembly, MCE325 Packaging AssemblyFront Panel Assembly Back Panel Assembly Heatsink AssemblyMain PC Board Assembly 4C S I 2 0 0 U s e r I n s t r u c t i o n s Reference 9027-6245-01 Drawing, Section CR1 FB1 #73 Shield Bead 8C S I 2 0 0 U s e r I n s t r u c t i o n s Reference 9027-6245-01 Drawing, Section 10C S I 2 0 0 U s e r I n s t r u c t i o n s RP2 Washer Flat DS1-DS8 PC Board Assembly, Front Panel14C S I 2 0 0 U s e r I n s t r u c t i o n s Diagrams 2C S I 2 0 0 U s e r I n s t r u c t i o n s Date 7/23/01 Title D\TEMP\AS624501D.cal Title D\TEMP\AS626101C.cal Title D\TEMP\AS626201C.cal Date 7/19/01 Title D\TEMP\AS646401G.dwg Title D\TEMP\BD646401A.cal Title D\TEMP\IS671801A.cal Title D\TEMP\OD635501A.cal Title D\TEMP\OD635502A.cal Title D\TEMP\OD635503A.cal Title D\TEMP\OD635504A.cal Title c\home\cms\benedil\view\9000-646401.CAL Telex Mother Board Mother Board MCE325 Title D\TEMP\SD624601A.cal

MCE325 specifications

The Telex MCE325 is a sophisticated communications headset designed primarily for professionals who demand clarity and reliability in their audio equipment. Renowned for its advanced features and high-quality construction, the MCE325 is a popular choice in various fields, including aviation, broadcast, and live event production.

One of the standout features of the Telex MCE325 is its superior noise-cancellation technology. This headset is engineered to effectively reduce ambient noise, allowing users to focus on important audio signals without distractions. The exceptional passive noise isolation works in tandem with the active noise-cancelling capabilities to ensure that you can communicate clearly, even in loud environments.

The MCE325 also incorporates a high-performance microphone that delivers crystal-clear sound transmission. The flexible boom design allows users to position the microphone for optimal voice pickup, making it suitable for both left- and right-handed users. The microphone’s windscreen further minimizes wind noise, providing an extra layer of clarity during outdoor use.

Comfort is a critical aspect of the MCE325. The headset features plush, padded ear cups that provide excellent comfort for extended use. The adjustable headband ensures a secure fit, catering to a wide range of head sizes and shapes. This ergonomic design minimizes fatigue, allowing users to maintain focus during long hours of operation.

Connectivity is another area where the Telex MCE325 excels. It is versatile enough to work with various devices, thanks to its dual 1/4” and XLR connectors. This flexibility makes it compatible with many audio interfaces and communication systems used in professional settings. The headset also includes a detachable cable, allowing for easy replacement if needed.

The construction of the Telex MCE325 reflects a commitment to durability and longevity. Built with high-quality materials, the headset can withstand the rigors of demanding professional environments. This robustness ensures that users can trust the MCE325 in the most challenging situations, whether it’s in a busy studio or a bustling airport.

In summary, the Telex MCE325 is a versatile and reliable headset designed to meet the needs of professionals across various industries. With its cutting-edge noise-cancellation technology, high-quality microphone, comfort-focused design, versatile connectivity options, and durable construction, it stands out as an ideal choice for anyone seeking superior audio performance and reliability. Whether in communications, aviation, or live broadcasting, the MCE325 delivers an exceptional audio experience.
Top Page Image Contents