1. CAUTION
Note: When you note the serial number, write down all of the 11 digitals. The serial number may be found on the label affixed to the bottom of the unit.
2. FOR SERVICE TECHNICIANS
1. Note the following items when exchanging the LEDs (Ref. No. D100130, D201, D202) of Dial P.C. Board. 1) Do not reuse a LED which is removed from the P.C. Board. 2) Use a soldering iron (less than 15 W) for exchanging LED. 3) Do not heat the LED for more than 2 seconds. 4) Do not move the LED after soldering. 2. This unit employs the switch which is influenced by the light for the hook switch. When you open the cabinet to repair the unit in the bright light, the hook switch might work improperly. Therefore, take care not to shine the hook switch directly, or use the jig as shown below.
