Panasonic SA-AK630E, Service Manual, Page: 72 / 168

During the above display, executing CD PLAY will display auto adjustment result for CD PLAY
mode.
13.3. CD Mecha Aging Test Mode (CR20)
1. Functional summary of CD aging test mode
It is for the purpose to determine the reliability of the CD changer.
2. To enter into CD aging test mode
a) First, enter into self-diagnostic mode (Refer to Section 12.2.
How to enter the Self-Diagnostic Function)
b) In the self-diagnostic mode, switch the SELECTOR to
and press . It will enter into CD aging
test mode.
When in CD aging test mode, the following operation will begin
and repeated:
1. [DISC STOCKER] DISC LOAD TRAY OPEN (2 secs)
TRAY CLOSE] as one count.
2. DISC 1 DISC 2 DISC 3 DISC 4 DISC 5 DISC
1........repeating this endlessly.
- While performing the above operation, the FL display will
show the number of its operations starting from 00001. With
reference to figure as below.
- It shall move up one counter when the above operations
ends. The counter will reset to 00000 when 99999 is reached.
- To exit CD aging test mode, press
button, the tray will return to its PLAY position and power will
be off.
13.4. Micon ROM Checksum and Version Display Mode
1. Functional Summary
Display version number and calculated checksum of the micon
software.
2. To enter into Micon ROM checksum and Version Display Mode.
A. Enter into Self-Diagnostic Mode (Refer to Section 12.2).
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