Sony DVS-2000C User Manual

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DVS-2000C
Test Connector Adjustment potentiometer
CPU-156 board
CNT1 (+5 V) <=> CNT4 (GND)
CPU-156 board
CNT2 (+3 V) <=> CNT4 (GND)
CPU-156 board
~5.10 £0.02 V CNTS (~5 V) <=> CNT4 (GND)
2-5-5. Secondary Power Supply Voltage Confirmation
The DVS-2000C has a power supply of +5 V, +3 V, and -5 V.
The POWER indicator and the fan uses +5 V.
Atter installation of all required boards is completed, confirm
the power supply voltage inside the unit as described below.
Test connectors in which the probe of a digital voltmeter can be
inserted for the voltage measurement of +5 V, +3 V, and—6 V are
provided on the CPU-156 board.
(1) Open the front panel and confirm that the power unit is
properly inserted and securely fixed with four screws.
(2) Tum on the power and confirm that each indicator (D4,
D5, D6) on the CPU-156 board lights.
CPU-156 Board
(4) Connect the digital voltmeter between the test
connectors on the CPU-156 board and confirm that the
voltage values of each test connector satisfy the
specification shown in the table below.
@RVI
@RV2
@RV3
2-19

Sony DVS-2000C Specifications

General

Brand	Sony
Model	DVS-2000C
Category	Switch
Language	English