11.
Data comunication in servicing
11-l.
General
To protect user data when servicing, abnormal
ZQ-500015200
is con-
nected with normal ZQ-5000/5200 with transmission cable and user
data are transmitted by command input from the abnormal set to the
normal set. After completion of servicing, the data are restored from
the normal set to the repaired set.
1
I-2.
Necessary tools
l
ZQ-5000/5200 normal set
l
Data communication cable (Part code:
QCNW-I
349CCZZ)
12. Self checker
This unit is equipped with the self checker in the ROM. Operations of
the self checker are described below:
<Necessary
unit>
l
ZQ-5000/5200 to be checked.
@
After attaching the main battery and the backup battery, with
pressing “ON” and
“9”
keys, press the RESET switch.
Diag menu screen
1
eDlAG>
0
PWB CHECK
q
KEY CHECK
q
LCD CHECK
q
PRODUCT CHECK 1
0
PRODUCT CHECK 2
q
RAM DATA SET
q
RAM DATA CHECK
dlisplay
check>
0
Press
q
key.
CAPS
P
.L
Check that the pattern A is normally displayed.
@
Press “ENTER” key.
Check that the pattern
B
is normally displayed.
@
Press “ENTER” key.
Check that the pattern
C
is normally displayed.
@
Press “ENTER” key.
Check that the pattern
D
is normally displayed.
@
Press “ENTER” key.
Check that the pattern
E
is normally displayed.
0
Press “ENTER” key.
dlisplay
check
patterns
Pattern
B
(Reversion of
Pattern A
CRAM
check,
buzzer
check>
@
ZQ-5000:
Confirm the display of “RAM 32K OK”, and confirm the
buzzer sound.
ZQ-5200:
Confirm the display of “RAM 64K OK”, and confirm the
buzzer sound.
Example of ERROR display
RAM
CHECK
15P
CHECK
4P
CHECK
BUZZER CHECK
ERROR
X*X*X
ERROR
mm
mx
ERROR
*x
xx
c
Address where an
error occurs.
t
Address where an
error occurs.
@
Press “ENTER” key.
<Key
checks
olsplay
sample
l
For the key read-in-check, the ke to
d
pressed next is displayed in
sectjon
A
Follow the display and press the key.
l
When an erroneous key is pressed,
<ERROR> is displayed in section
q
Press correctly again.
l
When error pressing is repeated more
than 10 times, or when
<CHECK
O.K.>
is
displayed (key check is completed): press
either of
F\
, /C.CEl , or
1-1
key to return to the diag menu screen.
<Exiting from the diag mode>
0
Press the reset switch. (The screen below is displayed.)
r
The Organizer is
not initialized,
or memory has
been impaired.
Enter
“Y”
to
INITIALIZE and
CLEAR ALL memory
contents.
CAPS
P
a
Press
q
key. (The organizer goes out of the diag mode, and the
screen displays the calendar.)
l2-
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