TEST MODE
The software version display and LCD test can be performed when the test mode is activated. Procedure: 1. Confirm the set is not powered on. (Remove two batteries and disconnect the AC power adaptor.) 2. Short the solder land SL806 (TEST) on the MAIN board. 3. Turn on the main power. (Insert two batteries.) 4. Microcomputer version is displayed for about a second. 5. After that all segments of the liquid crystal display are turned on. 6. Turn off the main power. (Remove two batteries.) 7. Open the solder land SL806 (TEST) on the MAIN board. Note : The solder should be removed clean.
