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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It is a “peak detected”, preemphasized, version of this “mix” signal which is monitored by the bargraph on the front panel.
It tells the PEL which input sample is being processed, right or left. Bus is the main data communications’ bus in the H The middle pin of the rectifier is attached to its metal case so the case must be properly isolated from the chassis with an insulator pad. The input, output, mix, and feedback levels are all digitally controllable. The DAC outputs a 20V p-p eventidw analog signal. Audio inputs are fed to the 16 bit A to D section.
A digital gain device is used in the input section which allows front panel control of levels.
H Service Manual | Eventide
A thorough under-standing of the operator’s manual will avert many operator error conditions. It contains the operating system for the brain. These are both test points. The sum of these DC voltages is then applied to the VO pin of the display.
Extreme care should be used when working within the H Since the 68A09 has only an 8 bit data bus it must read the 16 bit Global bus one byte at a time. Resets the interrupt flag called NMl. A magnitude comparator U compares the current 16 bit sample value to a jumper selected offset value and sends a “0” or a “1” to an integrator U1 6A whose filtered output is mixed with the “gross” offset from the diode biasing circuit.
Front panel ribbon connector loose. Thus, reading from or writing to the delay memory requires two qlobal bus accesses, the first to specify the address and the second to actually read or write the Gaia.
Two channels of D to A conversion take place here. With a device as complex as the H there are many occasions when operator error, wiring mistakes or faulty installation account for what was thought to be a device breakdown.
H3000 manual
U62 also decodes addresses, but it is a 74LS U and U take on the task of addressing rows to keep them refreshed. This reset is applied to the brain, which begins fetching instructions maanual memory. A dual primary transformer is used to enable operation from either 1 1 0 volt or volt AC lines. The small number of port addresses severely limit the number of peripheral devices allowed on the bus. Heat and static electricity are too often responsible for electronic troubles.
H3000 are best thought of as one 1 6 bit RAM. If still bad use digital trouble-shooting procedure.
H3000 Series User Manual
Efentide audio at all. Caps C2 and C7 suppress RF noise pickup. R1 65 drops the -1 8 volts to -1 0 for use in the A to D converter. For more information contact an Eventide mabual or Eventide directly. The primary goal is a stereo pitch shifter, so the architecture is based on the computational needs of pitch shifting. U92 performs the write decodes in the same manner. Measure the CLK1S signal tor The and are of the NMOS variety and require a faster clock rise time.
U1 1 5 and U1 1 6 eventidf octal, tri- state transceivers which means they can write to and read from the Global bus which communicate data to the bus. High byte control for above.
It is also possible that after changing from S software to B software without clearing the memory that strange results will be displayed on the H front panel. Only a very few units will need this, though it is advisable to check.
The regulator is totally isolated from the chassis by a pad and the mounting socket.