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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
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