Changer Reliability Test Mode; Changer Operation Checking - Panasonic SA-PM31P Service Manual

No. Operation Procedures
4 [TAPE ] Key is pressed, after loading in a
NORMAL, CrO2, METAL type cassette (
cassette for TPS checking purposes and with
both recording tabs intact ).
5 [REC] key is pressed, after loading in a
NORMAL type cassette ( with both recording
tabs intact )
6 Self-diagnostic mode is stopped by pressing
the [Clear n] Key.
7 To clear all the abnormalities in the memory,
press the [Clear n] Key for more than 5 Sec
while the self-diagnostic mode is stopped.
8 To cancel the self-diagnostic mode press the
[POWER] Key.
· If RAM check error occurs during microcomputer reset, COLDSTART shall be executed and all the error memory shall be
cleared during RAM initialization.

11.6. Changer Reliability Test Mode

1. Doctor mode ON.
2. Remocon 2 on
3. The flow below shall be done
* During aging test mode, stop key shall stop the operation
· During this series of operation, the number of its operation shall be shown in the alphanumeric display repeatedly.
It shall start from [ _ _ 00001]
· It shall move up one counter when step 1~8 of the above operations end.
It shall display [ _ _ 00000] after [ _ _ 99999] has been reached.
· Press POWER key, tray return to PLAY position and then POWER is OFF.
During test mode, if mecha operation encounters abnormality or time over , retry operation shall be done but aging test mode shall
stop

11.7. Changer Operation Checking

1. Doctor mode ON.
2. press [DISC] key to ON
Current disc setting shall be tray 1
a. tray 1 load, tray 2 open then close
b. tray 1 load, tray 3 open then close
c. tray 1 load, tray 4 open then close
d. tray 1 load, tray 5 open then close
e. tray 1 load, while playing CD check mode 4 disc then close
f. tray 1 stop unload
g. CD check mode and then close
h. tray 1 load
i. after the above process, [CHNGR_OK] shall be displayed
· During this series of operation, the number of its operation shall be shown in the alphanumeric display repeatedly.
It shall start from [ _ _ 00001]
· It shall move up one counter when step 1~8 of the above operations end.
It shall display [ _ _ 00000] after [ _ _ 99999] has been reached.
· Press POWER key, tray return to PLAY position and then POWER is OFF.
During test mode, if mecha operation encounters abnormality or time over , retry operation shall be done but aging test mode shall
stop
Micon operation & processing
TPS operation is executed. Check the following.
{ F.REC INH SW } is ON
{ R.REC INH SW } is ON
{ HALF SW } is ON
TPS signal changes.
After checking TPS, it shall STOP.
If TPS checking is completed at TAPE END, it is considered as TPS
abnormal.
REC operation shall not be executed.
Check the following.
{ F.REC INH SW } is ON
{ R.REC INH SW } is ON
{ HALF SW } is ON
LCD shall display the abnormality item code, when the STOP key is pressed,
it shall display the abnormality item code in the following sequence.
[ T H 0 1 ] [ T H 0 2 ] [ T H 0 3 ]
At this time, all the abnormalities item in the memory is cleared and is
displayed on the LCD.[ C L E A R ] display for 1 Sec. then,[ T ] is displayed.
POWER is OFF.At the next POWER ON, normal operation shall be executed.
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SA-PM31P / SA-PM31PC