Aiwa XP-SP30 Service Manual page 4

XP-SP30
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 SL301 (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 SL301 (TEST) on the MAIN board.
Note : The solder should be removed clean.
SL301
(TEST)
4
MAIN BOARD (SIDE A)
IC401
IC403
IC301
IC402