Hard Reset; Adjustment Of Secondary Power Supply Voltage; Dvs-7150; Bkds-7017 - Sony BKDS-7017 Installation Manual

5-2. Hard Reset

1. BKDS-7017

(1) Open the panel. (Refer to "4-4-1. Opening and Closing of Panel".)
(2) Push the S1 of the RESET switch on the CPU-246 board or turn OFF/ON the power switch in the
control panel.

5-3. Adjustment of Secondary Power Supply Voltage

5-3-1. DVS-7150

DVS-7150 has the power sources of +5 V, +3 V, and _5 V. For the voltage measurement of +5 V, +3
V, and _5 V and on the CPU-264 board the test terminals are provided that can be connected to the probe
of a digital voltmeter.
After installation of all required plug-in boards is completed, confirm the power supply voltage in the unit
as described below.
n
Confirm that the power unit is properly inserted and secured by the four screws.
When only standard power unit is installed, refer to the following procedures for power
unit A.
This standard power unit is named as power unit A
(Procedures for Power Unit A)
(1) Detach the front panel of DVS-7150. (Refer to "4-3-1. Removing and Installing of Front Panel")
(2) Turn on the power switch of the power unit A.
(3) Confirm that all indicators (D15, D16 and D18) on the CPU-264 board light.
(4) Connect the digital voltmeter between test terminals on the CPU-264 board and confirm that the
voltage value of each test connector meet the specification shown in the next page.
If the specification does not meet, adjust the voltage by the adjustment potentiometers of the power
unit A.
n
When connecting the probes of the digital voltmeter between test terminals, take care to avoid
contacting the probes with the GND areas of the shield plates.
When the power unit BKDS-M1690 is installed, refer to the following procedures for
power unit B.
The power unit of BKDS-M1690 is named as power unit B.
(Procedures for Power Unit B)
(1) Turn off the power switch of the power unit B.
(2) Carry out all steps of "procedures for power unit A".
(3) Turn off the power switch of the power unit A and turn on the power switch of the power unit B.
(4) Confirm that all indicators (D15, D16 and D18) on the CPU-264 board light.
DVS-7150E IM
5-3. Adjustment of Secondary Power Supply Voltage
5-2. Hard Reset
5-11