Pioneer DEH-2800 Service Manual - Page 53

System Microcomputer Test Program, Pcl Output - deh 2800mp clock

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5 6 7 8 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 IC601(Pin 15) terminal to H. The clock signal is output from the PCL terminal IC601(Pin 14). The frequency of the clock signal is 786.432 kHz that is one 16th of the fundamental frequency. The clock signal should be 786.432 kHz ± 31.5 Hz. If the clock signal is out of the range, the X'tal (X601) should be replaced with new one. B C D E F 5 DEH-2800MP/XN/UC 6 7 8 53

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6.4
SYSTEM MICROCOMPUTER TEST PROGRAM
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PCL Output
In the normal operation mode (with the detachable panel installed, the ACC switched ON, the standby mode cancelled),
shift the TESTIN IC601(Pin 15) terminal to H. The clock signal is output from the PCL terminal IC601(Pin 14).
The frequency of the clock signal is 786.432 kHz that is one 16th of the fundamental frequency. The clock signal should
be 786.432 kHz ± 31.5 Hz. If the clock signal is out of the range, the X'tal (X601) should be replaced with new one.