and
SQA-V
Service Manual Dec_2019
17
Note:
Before checking
the input\ output
connectors of
the main PSU,
turn on the SQA-
V from the
switch on the
rear panel.
How to check the output connector:
Disconnect the output cable from the
motherboard.
Check the voltage on the
output connector of the main PSU using a
multimeter:
Black wire: GND
Red wire: +5V±0.3
Purple wire: +12V±0.8
White wire:
-11.3V to -13.3V: New PSU
-16.1V to -12.7V: Old PSU
If there is no voltage on the output connector,
or if the voltage is out of the range – please
replace the faulty PSU. If the problem persists -
contact support services.
Power Supply
Unit (PSU)
Note:
Turn off the
main On/Off
switch and
disconnect the
power cord from
the device inlet
before opening.
7.
Replacement of the Power Supply Unit
ISSUE:
The power supply and/or cables are not
working.
PLEASE NOTE: The instructions depend on the SERIAL
NUMBER (SN#) of the SQA-V.
SN# 1329 and below – follow the instructions in
SECTION 1
SN# 1330 and above – follow the instructions in
SECTION 2
SECTION 1:
SN #1329
and below,
Old PSU P/N:
PSD-0492
1.
Open the SQA-V
2.
Disconnect the two cables of the faulty PSU:
Input connector- location P1
Output connector- location P2
3.
Place the SQA-V on its rear side
4.
Using a #1.5 Philips screwdriver, remove the three
screws that connect the PSU to the rear panel
5.
Replace the faulty PSU
6.
Secure the new PSU to the rear panel using the
same three screws
7.
Re-connect the input and output cable connectors
to the new PSU
8.
Close the SQA-V
If the problem persists - Contact Customer Support
Check the voltage on output
connector
Unscrew the
Power Supply Unit (PSU)
Disconnect the cables
Old version PSU
(SN #1329 and below)
