Sharp PC-E500S - Page 6

PC-E500S
8-2. Backup current detection
Ammeter
DC power
+3V
[ [Operating procedure
1 1° Set the DC power to
+3.0V +0.1V.
* Apply a probe to the |* Check the current value.
backup battery terminal (0.1 nA ~ 2.38 LA)
of the set. (Be careful not |
to mistake the DC power
polarity. The positive (+)
terminal should be
brought into contact with
the battery terminal from
the side, not from the
above, and the negative
(-) terminal should be
connected with the
soldered section.)
* Disconnect the probe.
&-3. Built-in RAM memory protection function check
@ Release the RAM card cover lock switch and turn off the power.
@ Set the builtin RAM memory protection switch to B and remove
one UM4 battery.
@ Connect 2 pin ana 3 pin of the jii-pin connector with a 3.9KQ
resistor for 6 sec.
+ Connecting time: 6 sec
@ Install the UM4 battery which was previously removed to the
original position, set the RAM card lock switch to the lock position,
and press RESET key.
© Check that "NO MEMORY" is displayed. (Check of the memory
protection switch function)
© Set the built-in RAM memory protection switch to A and press ON
key.
@® Check that "MAIN MENU” is displayed. (Check of the memory
protection function)
9. Diag
Entering the diag mode: Turn of the power, keep pressing
key and CJ key, press key.
Release key, then release | SH!
FT] key and LJ Key.
Diag Menu
1 diag
4:aging2
7:ESD
2:LB
5:RAM
8:diag(menu)
S:aging 1
6:FCC
ee (1) Diag check
e Key input (5) LB check
3 key oe (3) Aging 1
4 key input (4) Aging 2
(5) RAM check
6 Key input (6) FOC check
(key input >) Esp check
(8)
| 8 key input
(1) Diag check
Main menu
| 1 key
‘oe
LCD check
Cross-stitch display 1 (LCD left upper corner lights up.)
| ENTER key |
Cross-stitch display 2 ( Inverted cross-stitch display 1)
ENTER key
ance line display 14
| ENTER key
Slanted line dispiay 2 (Inverted sianted-iine display 1)
ENTER key
Rain drop display (Lower half of the screen)
ENTER key
@ ROM check
a
|
i * ROK check
i
PC-E560S Ver, 08
om peg are ere
OK
Ss
|
| * ROM OK! *
} CE key
{
ierror |
ppeme—> | x ROM error! x
PC-E500S Ver. 08
x
ET Corwin any OME
aaa EES |
i The second line
{ inverted display
Jaddress = XXxXxxxX-XXxxxxxh ! Error address
} check sug xxh (true) xxh (err ) | Sum data
ca atel
C-CE key twice.
|
I