Telex MCE325 manual Washer Flat

Page 64

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

U1

IC, Dual Low-noise Op-Amp, NE5532N

53295000

 

 

 

U10

IC, Dual Low-noise Op-Amp, NE5532N

53295000

 

 

 

U11

IC, Dual Low-noise Op-Amp, TLO76

1603013500

 

 

 

U12

IC, Dual Low-noise Op-Amp, TLO77

1603013500

 

 

 

U13

IC, Analog Switch, CD4053BE

46638P1

 

 

 

U14

IC, Analog Switch, CD4053BE

46638P1

 

 

 

U15

IC, Analog Switch, CD4053BE

46638P1

 

 

 

U16

IC, Dual Low-noise Op-Amp, TLO78

1603013500

 

 

 

U17

IC, Dual Low-noise Op-Amp, NE5532N

53295000

 

 

 

U18

IC, Audio Amp, LM386

53281000

 

 

 

U19

IC, Audio Amp, LM387

53281000

 

 

 

U2

IC, Analog Switch, CD4053BE

46638P1

 

 

 

U20

IC, Reference, LM833

1603083300

 

 

 

U21

IC, Analog Switch, CD4053BE

46638P1

 

 

 

U22

IC, Undervoltage Sense, MC33064P-5

1603013700

 

 

 

U23

IC, UCN5821A

160358210A

 

 

 

U24

IC, UCN5821A

160358210A

 

 

 

U25

IC, UCN5821A

160358210A

 

 

 

U27

IC, Voltage Regulator, LM317

53290000

 

 

 

U28

IC, EEPROM, 1024 Bit, 93C56AN NA

1603013800

 

 

 

U29

Assy. Software, Version 1.6

9020634816

 

 

 

U3

IC, Analog Switch, CD4053BE

46638P1

 

 

 

U30

IC, Quad 2-input NAND, 4093B

160340930B

 

 

 

U4

IC, Analog Switch, CD4053BE

46638P1

 

 

 

U5

IC, Dual Low-noise Op-Amp, TLO72

1603013500

 

 

 

U6

IC, Dual Low-noise Op-Amp, TLO73

1603013500

 

 

 

U7

IC, Dual Low-noise Op-Amp, TLO74

1603013500

 

 

 

U8

IC, Dual Low-noise Op-Amp, TLO75

1603013500

 

 

 

U9

IC, Dual Low-noise Op-Amp, NE5532N

53295000

 

 

 

XJ16

Jumper

2515001001

 

 

 

XJ17

Jumper

2515001001

 

 

 

XJ18

Jumper

2515001001

 

 

 

XJ19

Jumper

2515001001

 

 

 

XJ20

Jumper

2515001001

 

 

 

XJ24

Jumper

2515001001

 

 

 

XJ4

Jumper

2515001001

 

 

 

XJ5

Jumper

2515001001

 

 

 

XJ6

Jumper

2515001001

 

 

 

XJ7

Jumper

2515001001

 

 

 

XU1

IC Socket, 8-Pin

53041002

 

 

 

XU29

IC Socket, 40-Pin

53041308

 

 

 

Y1

Crystal, 4MHz, 20pF

3301000700

 

 

 

 

WASHER FLAT

52186006

 

 

 

 

4-40X1/4

1008402300

 

 

 

 

4-40X3/8

1008403500

 

 

 

5-12C S I - 2 0 0 U s e r I n s t r u c t i o n s

Image 64
Contents Model MCE325 Proprietary Notice Return Shipping Instructions End-User License Agreement for Telex Software Table of Contents Operation Diagrams Page Description FeaturesGeneral Front Panel Features Connections, Inputs and OutputsRear Panel Features Intercom LinesMounting Configuration PowerProgramming MCE325 Specifications Power and MechanicalMicrophone Preamplifier Headphone AmplifierMCS325 Specifications ConnectorsStandard 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 Installation Internal Programming and AdjustmentsSwitch Number Switch Function Default Setting Jumper Number Jumper Function Default Setting Internal DIP switches, jumpers and level trimmers Front Panel Setup Mode Lock-out DS4 Remote Talk-off DS7Mechanical Installation Headphone Sidetone Trimmer Adjustment R37Speaker Dim Adjustment R157 Program Assignment IFB Option J4, J5, J16-J18Mounting configurations AC Power and Fuse Electrical InstallationIntercom Lines J8, J9, and J10 Auxiliary Connector, J22 Four-Wire Channel a and B InputProgram Inputs, J14 and J15 External Speaker, J27Remote Microphone Switch Key outputs Expanded IFB OptionISO Connection External HeadsetFront Panel Headset Connections Carbon-microphone headset connector LED Indicators GeneralOperating Instructions Momentary/Latching Button actionVolume Adjustment Front Panel Sidetone Nulling Trimmer AdjustmentPanel Mic/Headset Mic Selection Microphone On/OffFront Panel Programming Call Disable Latch DisableChannel ID Four-channel ListenReset Instant Mic6C S I 2 0 0 U s e r I n s t r u c t i o n s Preventive Maintenance Corrective MaintenanceAccess Factory Support InformationTest and Adjustment Procedures CleaningPower Supply Test Test EquipmentInitial Configuration Keying Output TestFour-Channel, Two-Wire Mode Frequency Response and Level Check, Mic to LineSidetone Null Test and Adjustment Two-Channel, Four-Wire ModeTrue Sidetone Adjust Talk Button Test Point PotentiometerProgram a to Left Headphone Program B to Right Headphone IFB TestProgram to Speaker Four-Wire a Input to Left Headphone Four-Wire B input to Right HeadphonePanel Mic to Channel Test Carbon Mic to Channel TestVOX Test Mic Kill Receive TestCall Transmit Test Mic Kill Transmit TestCall Receive Test Remote Mic Switch Test ISO TestProgram Lockout Test Noise ChecksPage 14C S I 2 0 0 U s e r I n s t r u c t i o n s Packaging Assembly Final Assembly, MCE325Front Panel Assembly Heatsink Assembly Back Panel 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 PC Board Assembly, Front Panel DS1-DS814C 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.