EVENTIDE H3000 MANUAL PDF

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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Therefore, pushing the top left switch 1 will make pin 1 continuous with pin 5 and so on. Check Central Timing Circuits.

As great as the responsibilities of the host are, they are not very computationally intensive. Many are mono in, stereo out which use the left channel input and shut off the right.

Full text of “Eventide H Service Manual”

U is set up to divide by 16 with two outputs unused. Voltage selector switch on back in mankal position. The Status Port The status port is sort of the catch-ail location in the bus design A read of the status port returns the values of a number of one-bit flags in the system.

The block contains many divider circuits as well as a PAL Programmable Array Logic which creates all necessary timing. This reset is applied to the brain, which begins fetching instructions h33000 memory. For more information consult a Texas Instruments data book. How this processor operates is beyond the scope of this manual.

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H manual | Eventide

Like the TMS, the global bus rventide 8 read ports and 8 write ports each mapped to the various peripheral devices on the bus. U92 performs the write decodes in the same manner. This forms the specified 5 mA current loop. Set left and right delays to 0 ms.

Keep in mind that the left channel is almost a mirror image of the right. It is set up as a divide by 13 circuit.

Only 8 address lines are able to address more than 64, memory locations per internal array these DRAMs have 4 arrays hence 64 K by 4. Clocks data to the left D to A converter.

A good understanding of differentially balanced inputs and outputs evetide take care of most wiring mistakes.

The following is a semi-detailed circuit description for channel A. The case is mounted on the back of the H, inside of the heatsink. The other, the Delay Data Register, is used to read or write data to the delay memory. It can also clear all of the user memory, so beware. To insure maximum drive capability of the MIDI thru signal these parts should be in place.

U buffers and inverts the analog-type signal now called CLK1. Front panel ribbon connector loose.

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H3000 manual

This signal also clocks the 1 6 bit shift register formed by U1 80 and U1 Sends delayed audio data from the DRAMs to the bus.

A high resolution offset adjustment R27, R28, R29, R31C25 must be used in the second integration stage to properly align the internal, low bit comparator.

These three enable the outputs of the mailboxes. The switch matrix consists of the keypad, the lit bypass switch, and the 8 unlit switches. Pin 10 of U69 is connected internally to the collector of a transistor. The DRAMs handle most of the refreshing internally but every row must be accessed every 4 ms in order to keep the contents valid.

Here is a summary of the decoded operations. The Bypass switch operates independently of the matrix. It also handles taking MIDI data from the bus, converting it to serial form and sending it out to the MIDI output jack to be processed by external devices. The hardware is also essentially standard. The operating system is the set of instructions that makes the H tick. Remember that Eventide has all the parts, equipment and information necessary to repair the H quickly.