Trouble Shooting Guide; Self Check - Yamaha PDM-1 Service Manual

PDM-1U / G / R /

13 Trouble shooting guide

13.1. Self Check

13.1.1. Display Indication
1. Self-check is used for automatic check of the bus line
controlled circuit of the Plasma display.
2. To get into the Self-check mode, press the volume down
button on the customer controls at the front of the set with
pressing the OFF-TIMER button on the remote control at
the same time, and the screen will show : -
If the CCU ports have been checked and found to be incorrect
Or not located then " - - " will appear in place of " OK "
Note:
In case of disconnected of HZ "IC3699 - -" is displayed.
13.1.2. Power LED Blinking timing chart
1. Subject
Information of LED Flashing timing chart.
2. Contents
When an abnormality has occurred the unit, the protection circuit operates and reset to the stand by mode. At this time, the
defective block can be identified by the number of blinkes of the Power LED on the front panel of the unit.
30