Sharp XL-MP333H Service Manual page 10

XL-MP333H/XL-MP444H
8. CD MECHANISM Aging Test Mode (TEST 8)
OPEN/CLOSE & 5 DISC CHANGER aging test.
CHANGER INIT
DISPLAY:
FUNCTION:
Enter the TEST MODE 8, MCU control the 5 DISC CHANGER to the
ALL LOCK position. After INIT finished, changer will change to every
tray 1 time (1 circle). Then change to ALL OPEN and ALL CLOSE pro-
cess. After close finished, change will 1 another circle test again.
Request:
Every period include 6 operation. Below is TIMING:
Enter test mode
Changer INIT
ALL LOCK
ALL EJECT
CLOSE(ALL LOCK)
DISC 1 PLAY
DISC 2 PLAY
DISC 3 PLAY
DISC 4 PLAY
DISC 5 PLAY
2 – 5