H Ultra-Harmonizer®. INSTRUCTION MANUAL. Eventide the next step Harmonizer is a registered trademark of Eventide Inc. for its audio pitch shifta. H Ultra-Harmonizer (R) SERVICE MANUAL Eventide the next step TABLE OF CONTENTS INTRODUCTION H SPECIFICATIONS OPTIMUM. This is not mine. i tip my hat to the guy/guys who put in the effort to do this. Thank you sir and sirs service manual User manual.

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One audio channel bad.

The top and bottom should clip at the same time, that is, symmetrically. Pin 5 is common manua the top horizontal row; pin 6 is common to the second horizontal row and so on with pins 7 and 8.

It also handles taking MIDI data from the bus, converting it to serial form and amnual it out to the MIDI output jack to be processed by external devices.

Check output level settings. Each 22 microsecond sample period is evenly divided into time slots, each slot correspondinq o an available bus cycle. Each time a read is completed from the delay memorv the address register is incremented, allowing successive locations to be read more efficiently. LCD contrast is the control of the viewing angle that the user sees. This enables the Status Bit latches. U61 is used for various read operations for the Brain. It is really an expanded address decoding circuit.

Only a very few units will need this, though it is advisable to check. Is input bargraph lighting? It controls h300 front panel, loads programs, handles the MIDI interface and many other functions. Each bit is stored on a capacitor which will discharge if not periodically refreshed. The block contains many divider circuits as well as a PAL Programmable U3000 Logic evenride creates all necessary timing. The system reset line when applied, starts the microprocessors fetching and executing.


Set all input and output levels to 0 dB. R1 65 drops the -1 8 volts to -1 0 for use in the A to D converter. Add a 56pF capacitor between pins 6 and 7 of U How this processor operates is beyond the scope of this manual. This is the clock signal to the latches. These three enable the outputs of the mailboxes.

These circuits are used to manipulate the output sample rate in order to achieve pitch shift effects. This makes comparisons very easy. This is the crystal oscillator, divided by two, from the A to D section. If the two clocks are out of phase, this circuit cloTs aTe?

H manual | Eventide

Phase is reinverted by the following circuitry. The regulator is totally isolated from the chassis by a pad and the mounting socket. This clock comes from the A to D evfntide mentioned earlier. Accessed when the Brain writes to the Global bus. The TMS is a gigantic number cruncher that operates very fast.

H Series User Manual | Eventide

Used to enable Timesqueeze option. This allows a quicker design cycle and flexible signal processing algorithms. This eventtide not necessarily indicate a malfunction. R and Cl 51 create a time constant for accurately latching data into the DAC through U and U on the right side. These three lines clock data into the mailboxes.

H3000 Service Manual

This interrupts the Brain so that the Brain can process the data. The small number of port addresses severely limit the number of peripheral devices allowed on the bus.


Again, data from the Global Bus is used to set up a series of high speed counters. This consists of all the switches, the knob, the keypad and the 40 character by 2 line LCD display located on the front panel PC board.

Try different programs making sure they are not using triggered softkeys e. Voltage selector switch on back in wrong position. U93 decodes the addresses for read operations. CLK1S is the input sample rate which is in reality Therefore, pushing the top left switch 1 will make pin 1 continuous with pin 5 and so on. All of these bits are used in different manners by the software.

CLK10 is passed through U, inverted by U, then again inverted by U21 8 to provide some timing delay, but no effective change in logic. This signal is then sent to the UART, U66, which divides this frequency by 1 6 to get approximately One is also used for the Tape Speed Controller circuit. This signal indicates the beginning of an evemtide sample period. NMI is used by the software to keep track of time and sample the maunal of the front panel wheel.