Instruction/ maintenance manual of the product AUDIO PROCESSOR Kenwood
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OPERA TING MANUAL EQ plus AUDIO PROCESSOR.
September 2004 Julius D. Jones 19 V anessa Lane S t aat sburg, N.Y . (12580) (845) 889-4253 E-mail: Julius@W2IHY .COM Home Page: http:// www .w2ihy .com c 2004 W2IHY, A LL RIGHTS RESER VED -2- TECHNOL.
T ABLE OF CONTENTS Introduction ......................... 4 Front Panel Controls .......... 5 - 9 Rear Panel Controls ............10 - 1 1 Schematic (Front Panel) .......12 - 13 Schematic (Rear Panel) .......14 Rear Panel Controls ...........15 Getting S t arted T utorial .
-4- The EQplus is the next generation of audio processing equipment from W2IHY Te chnologies. The EQplus was designed to be directly attached to the world famous W2IHY 8 Band EQ. The EQplus provide s features such as A udio Compression, Downward Exp ansion, Eff ects and connectivity to 3 radios.
-5- FRONT P ANEL CONTROLS 1 2 6 This section describes each of the controls on the front panel. Yo u should read through this section now. Some of the descriptions will be more meaningful after you first work through the Getting St arted T utorial. (1) Power On/Off Switch (S1) T his switch turns the unit's power on and off.
FRONT PA NEL CONTROLS -6- (4) A udio Input Impedance Switch (S5) This 3 position toggle switch is used to change the input impedance of the Mic and A ux Inputs (19,20 & 21). Input Impedances of 200 ohms, 600 ohms and 50K ohms ( HI-Z)may be selected.
FRONT P ANEL CONTROLS (7) Equalizer On/Off Switch (S3) This switch turns the Equalizer on and off. When the equalizer is off, adjusting the bass and treble controls have no eff ect on the output audio. (8) Equalizer Bass (R37) This rota ry potentiometer works only when the Eq ualizer Switch (7) is on.
FRONT P ANEL CONTROLS Incoming signals will have up to 20dB of compression introduced. The EQplus compressor circuitry conta ins a limiter that is p reset at the factory.
FRONT P ANEL CONTROLS (14) EFFECTS PROCESSOR DELA Y Potentiometer (R42) This potentiometer works only if the Effects Processo r 3 position toggle switch is selecting either effect 1 or eff ect 2. The Delay control, when rotated clockwise increases, by up to about 80 milliseconds, the time that audio waveform is delayed.
REAR P ANEL CONTROLS 19 18 22 20 23 24 21 22 25 (18) MIC SELECT This three position switch selects the Y AESU, KENWOOD or ICOM microphone plugged into the 8 pin Mic Input (19). (Other microphones supported with mic adapters) (19) MIC INPUT This Input uses an 8 Pin microphone male connector.
REAR P ANEL CONTROLS -1 1- (20) MIC INPUT This RCA female connector is used as a microphone input. T his connector works independent of the Mic Select switch (18) and may be used for another audio input source such as a microphone. The impedance of this input is set by the A udio Input 3 position toggle switch (4).
-15- REAR PA NEL CONTROLS (23) AUDIO OUTPUTS 1,2 and 3 The audio output and PTT outputs of the EQplus uses thes e 5 pin DIN’s. When the A udio Output Rotary switch (22) is in the “1” position, audio is active at A udio Output 1. When the A udio Output Rotary switch (22) is in the “2” position, audio is active at A udio Output 2.
-16- GETTING STA RTED TUT ORIAL Before plugging the power transformer into the wall, preset the EQplus controls as indicated: Power , Equalizer, Compressor/ Downward and Effects Processor all off . urn the Mic Select to select the microphone you will be using.
GETTING STA RTED TUT ORIAL -17- Audio Input Gain (5) so that 2 or 3 Green Bar Graph LED’s light up. This may require adjusting both the Mic Gain control on the 8 Band EQ and the Audio Gain control on the EQplus.
-18- GETTING STA R TED TUT ORIAL - T urn the Compressor control (11 ) fully counter clockwise. This setting passes uncompressed a udio thru the compressor. T urning the compressor control clockwise increase the amount of compression. Set the compression to the desired level.
The Level control (15) sets the amplitude that the audio delayed by the Eff ects Processor combines with the non delayed audio. Through experimentation, the user can find what Eff ects Processor Delay and Level settings are best for their voice characteristics.
MIC IN PIN 1 PIN 7 INTERNAL WIRING -20-.
-21- AUDIO OUT 1/2/3 5 Pin Male DIN Din connectors shown on side to be soldered Gnd PTT - Audio + Audio Balanced Output Hi-Z Output Low Impedance Balanced Output to Low Impedance Radio 5 PIN DIN AUDIO.
AUDIO OUT CABLE WIRING -22- Alinco DX77 Kenwood TS130/140 TS430/440 TS850/TS870 TS930/940/950 SG2020 K2 Jap an Radio JST -135 JST -245 Y aesu FT990/f t992 FT1000MP/M-V + Mic PTT GND ICOM 735 745/746 7.
AUDIO OUT & POWER CABLE WIRING DRAKE TR7 DRAKE T4XB COLLINS 32S 1, 32S3 COLLINS KWM2A COLLINS 32V2, 32V3 Hallicrafters E.F . Johnson HI-Z HI-Z Y aesu FT101E FT901DM Galaxy Kenwood TS520/TS530 TS82.
AUDIO OUT CABLE WIRING DIN connectors shown on the side to be soldered DO NOT SOLDER T O SHIELD OF DIN HI-Z LOW Z TRS BALANCED OUTPUT LOW Z UNBALNCED 1/4” MONO CONNECTOR LOW Z Single channel Input t.
An important point after buying a device Kenwood AUDIO PROCESSOR (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Kenwood AUDIO PROCESSOR yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Kenwood AUDIO PROCESSOR - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Kenwood AUDIO PROCESSOR you will learn all the available features of the product, as well as information on its operation. The information that you get Kenwood AUDIO PROCESSOR will certainly help you make a decision on the purchase.
If you already are a holder of Kenwood AUDIO PROCESSOR, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Kenwood AUDIO PROCESSOR.
However, one of the most important roles played by the user manual is to help in solving problems with Kenwood AUDIO PROCESSOR. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Kenwood AUDIO PROCESSOR along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
