Bkds-7017; Power Supply Voltage Adjutment - Sony HDS-7150 Installation Manual

8-2. BKDS-7017

8-2. BKDS-7017
The control panel BKDS-7017 has the power supplies of +5 V and +12 V. The CN-1150 board has the
test terminal to which the probe of the digital voltmeter can be connected for measuring the power supply
voltages of +5 V and 12 V.
After installation of all required plug-in boards, confirm that the power supply voltage in the unit as
described below.
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Confirm that the power units are properly inserted and fixed by the two screws.

8-2-1. Power Supply Voltage Adjutment

When Only Standard Power Unit is Installed
The standard power unit is named as "power unit A".
(Procedure A)
(1) Open the panel. (Refer to Section 4-6.)
(2) Turn on the power switch A of the power unit A.
(3) Confirm that the indicators (D1 through D5) on the CN-1150 board light.
(4) Connect the digital voltmeter between test connectors on the CN-1150 board and confirm that the
voltage value meets the specification shown on the next page.
If the specification does not meet, adjust the voltage by the adjustment potentiometer of the power
unit A.
When the Power Unit of BKDS-7091 is Installed
This power unit of BKDS-7091 is named as "power unit B".
(Procedure B)
(1) Turn off the power switch B of the power unit B.
(2) Perform the procedure A.
(3) Turn off the power switch A of the power unit A and turn on the power switch B of the power unit B.
(4) Confirm that the indicators (D1 through D5) on the CN-1150 board light.
8-6
HDS-7150/7100