Sharp SL-5500 Service Manual page 60

6) CF CARD SLOT TEST
Test by Diag
Test jig:Use "CF test 220" of SYCARD Technology.
1 Open "DIAG MENU (2/3)"
2 Install the AC Adapter (EA-70) and the SYCARD (CFtest220).
3 Tap "No.6 Compact Flash".
Display
CF Connector Check
----- Status messages------
Test procedure
0. CD1#, CD2#
1. Data 15-8, REG#, WE#, RD#
2. Data7-0, CE1#
IOWR#, IORD#, WAIT#
3. AddressBus A10-A0, CE1#, CE2#, OE#
4. VCC, BVD1, BVD2, WP, RDY
5. VS1, VS2
At last, if the display indicates as below, it is OK.
----- Status messages-----
SL-5500 DIAGNOSTICS AND CHECK ITEMS
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PC-UM10M