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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When bits AD4 through ADI 4 are inactive no input signal the results of the compare and ADI 5, which is the most significant bit, will control the output signal of U This is detailed in the instruction manual.
H Service Manual | Eventide
A digital gain device is used in the input section which allows front panel control of levels. U pin 5 is used to choose which synthesizer is being written to.
U eventie the signal for the right synth. They are three identical 21 sections which all control different aspects of the wventide signal depending upon the program running.
CLK1S is the input sample rate which is in reality There are also exercises for very specific hardware areas that together with an oscilloscope can greatly aid in trouble-shooting.
This enables the Status Bit latches. Are both channels bad? It is done by decoding the upper four data bits and using those bits to address the additional registers. This is effectively random noise generated by such things as bus contention, wrong timing or no timing at all. When no current flows the collector inside pin 10 remains open stays at r5 volts no matter what pin 11 does. When this happens a short high pulse will be seen at eventidw XOR output.
This is the first event that needs to take place to get the system up and running. These outputs go to many places in the H Remove the solder bridge at X8 or cut the small trace, then put a solder bridge in place at X7.
H manual | Eventide
A Shared Resource Multi-Processor The signal processing elements for convenience called “PELs” share most of the available resources, including the data converters, the interface to the host processor and, especially, the large block of memory for delay lines.
For detailed information consult a Motorola, 8 Bit Microprocessors data book. It primarily allows the brain to read from and write to the Global Data Bus mentioned earlier. The H uses three of them. Add a capacitor to the bottom of the PCB.
U4 is a hex “D” flip-flop that sends FPD signals to the matrix. This prevents the user from clipping emphasized high frequencies. Each TMS has a clock input approximately Writes audio data into the DRAMs. The residual will show a positive spike for positive clipping and a negative spike for negative clipping. The 68A09 uses a standard 8 bit data bus and a 1 6 bit address bus. A little heat on the cap from a heat gun will help to snap the cap on in the event it must be removed.
The primary goal is a stereo pitch shifter, so the architecture is based on the computational needs of pitch shifting.
This is overcome by expanding one of the sixteen bit write ports into sixteen bit ports. The bus is active only when data is to be transferred between devices on the bus. Used to select the output sample rate source. U and U are used to stretch the pulses to more exact widths. Various parts of the H can generate an interrupt to the 68A The top and bottom should clip at the same time, that is, symmetrically. Needless to say the 2 signals will most likely slide in and out of sync with time, temperature and component tolerances.
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.
The outputs of this chip are sent to U1 04, an octal latch, which deglitches them and maintains synchronous transitions. Again, data from the Global Bus is used to set up a series of high speed counters. Since the TMS has only a 4 K word external address space and this is limited to program memory onlyspecial hardware is used to address the delay memory.
This parallel data is then put on the global data bus through latches U and U A few of these correction evenyide during one input sample period could cause a sync failure. Channel B is identical in operation. This makes comparisons very easy.
H3000 Service Manual
Alignment is best done using a distortion analyzer and an oscilloscope. Blown fuse 1 amp, slo-bio. A more detailed explanation of the circuitry follows. This “mix 1 ‘ signal is also peak detected for the front panel bargraph drivers by U The rest are inputs. The counting begins with U If any component of the system fails meaning any digital chip the entire system could crash or at the very least the audio could be turned to noise and distortion. This allows a quicker design cycle and flexible signal processing algorithms.
For best signal to noise ratio, always set the input level control so that the top bar of the level indicators flashes from time to time, if this results in output levels that are too “hot”, reduce the output levels, not the input!
The addresses can be decremented by only a clock pulse from U, pin 3. U is set up to divide by 16 with two outputs unused. At the same time the discharging current is turned on, a high speed counter starts and continues counting until the low order comparators flip or a maximum count of 32, is reached.