MGP WRM2 Especificações descarregar pdf (Página 32)

TelePole WR/ Operating & Maintenance Manual Page 32

8.3. 5V power supply circuit (PC 1495)

Check battery voltage (2÷3)V

between J9/1 and J9/3

Battery, connector or

wire failure

Flat cable between the

CPU card and power

supply card is defected

or disconnected

Press on/off p.b. and check

voltage (2÷

3)V between J2/7,8

and J2/1,3

Check pulses on U1

pin 8

Replace L1

Check 5V on U1

pin 6

END

Meter OK

Replace D3 & U1

O.K

Go back to

section.8.1

Yes

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MGP WRM2 Especificações Página 32