Aloka ProSound Alpha 10, Service Manual, Page: 146 / 405

MN2-2008 Rev.1
SECTION 8
Performance Check
8 - 2
8-4 Performance Check
Those items which are covered by a performance check vary, in principle, with what is done for the
operation requiring the check.
In accordance with the chart given below, identify an item or items
required (those marked with
"
in the chart). And check each of the items so marked.
The terms referred to in the chart, meanwhile, are defined, respectively, as follows:
- Power supply unit: ............. Power supply unit, Isolation Transformer and Power switch.
- Other unit: .......................... Units other than Power supply unit.
CHECK ITEM
Check Requiring Operation
Function
Image
Quality
Safety
REMARKS
Replacing parts inside power supply unit.
" " "
Including PCB replacement.
Replacing the power supply unit as a whole
" "
Replacing parts inside physiological signal
display unit
" " "
Including PCB replacement.
Replacing physiological signal display unit
as a whole
" "
Replacing a PCB in units other than that the
above.
" "
Replacing parts on PCB in other units.
" "
Including ROM replacement.
Replacing units other than that referred to
above as a whole.
" "
Including a probe and scanner.
Performance check before the upgrade or
improvement
" "
Periodic inspection
" " "
What be checked in each of the check items, meanwhile, is given on the pages described below, to
which you are requested to refer.
Functional Check......................................... Item 8-4-1 from Page 8-3 and on
Image Quality Check ................................... Item 8-4-2 from Page 8-12 and on
Safety Check................................................ Item 8-4-3 from Page 8-16 and on
* Refer to the Electrical Safety Check Manual: MN2-0205 to check safety.
If a specified performance or rating should be found unsatisfied as a result of the check, the equipment
should be deemed failed.
Now, refer to “Section 6 Troubleshooting” to dissolve the failure.