Sharp SL-5500 Service Manual page 63

PC-UM10M
8. SHORT BATTERY LIFE
First of all, explain that the battery life varies depending on the use envi-
ronment and the operating conditions.
1) According to "BATTERY VOLTAGE ADJUSTMENT PROCEDURE"
on the Service Manual, check the set values. (If necessary, make
setting again.
2) Execute "CURRENT COMSUMPTION CHECK" on the Service
Manual to check the current value.
3) Replace the battery pack.
9. THE CF CARD (SD CARD) IS NOT
RECOGNIZED. / WHEN THE CF CARD IS
INSERTED, NO OPERATION IS
PERFORMED
First of all, check for deformation of the connector terminal of each
card.
1) Check CF CD and SD CD on the
right lower side of the diag menu.
2) Insert the CF card and the SD
card, and check again.
All should be "L."
NG(Remains at "H")
The card is not recognized.
: Check "CD" pin of the connector and
When the CF card
check CCD** of BR403 and IC401.
is not recognized
: Check soldering of the terminals outside
When the SD card
of the connector of CN1002 of the sub
is not recognized
PWB.
Check IC901 and BR906.
TOP
3) When the CF Check with the OS.
card is inserted, When the "WAIT" signal of the card is at
no operation is
"LOW", no operation is performed. (Wait
performed.
is applied to the operation.)
Check IC401 and BR402.
(Check that soldering is properly made
and that the resistors are not broken.)
All should be "H."
This terminal
SL-5500 TROUBLE SHOOTING
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