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The delivery of this manual was very fast, less than 8 hours. The manual is very clear and concise, and helped a great deal in the repair and final setup of the Hitachi HMA-G2 Amplifier.
Text excerpt from page 49 (click to view)
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6.4 SYSTEM MICROCOMPUTER TEST PROGRAM
A
- PCL output
In the normal operation mode (with the detachable panel installed, the ACC switched ON, the standby mode cancelled), shift the TESTIN (Pin 5) terminal to H. The clock signal is output from the PCL terminal (Pin 62). The frequency of the clock signal is 786.432kHz that is one 4th of the fundamental frequency. The clock signal should be 786.432kHz ± 32Hz. If the clock signal is out of the range, the X'tal (X601) should be replaced with new one.