Sony DME-7000 Maintenance Manual page 65

4-1. Trouble Shooting
4-1-1. DME-3000/7000
The power cannot be turned on
Flow1
The power of DME-3000/7000
cannot be turned on.
Is the power cord of DME-3000/
7000 connected correctly?
YES
Is the voltage at the check
terminal on the CPU board (*1)
normal(+5V)?
(For the voltage measurement,
refer to the section 1-11.)
YES
Is the voltage at the check
terminal on the VIF board (*2)
normal (±5V)?
(For the voltage measurement,
refer to the section 1-11.)
YES
DME-3000/7000 is faulty.
Section 4
Trouble Shooting
NO
Connect the power cord
correctly.
Adjust the power supply
NO
voltage.
(Refer to the section 1-11.)
Adjust the power supply
NO
voltage.
(Refer to the section 1-11.)
(*1) : CPU-114 board (DME-3000)/CPU-196 board
(DME-7000)
(*2) : VIF-6/9/6A/9A board
n
When measuring the voltage, be careful not to touch the tip
of the digital voltmeter connected to the check terminal to
the board frame.
4-1 (E)