Tektronix 070-A830-51 manual 212

Removal and Installation Procedures

Press the PRINCIPAL POWER

SWITCH on the rear panel to ON, and then toggle the ON/STBY button on the front panel of the generator to ON.

Press the PRINCIPAL POWER SWITCH to

Can you

OFF and remove the cover using the Rear

No

Cover and Cabinet removal procedure. Check

Disconnect the fan cable

hear the fan

all the cables coming out of the power supply

and power on.

running?

module and the cabling between modules. Be

Yes

sure every cable is attached securely.

Is

the voltage on

Perform the power supply module

No

A10 board

troubleshooting procedure 1

TP030 : +5 V

￿page 6-53￿.

TP010 : +12 V

TP020 : -5 V

With the

?

generator power on,

Perform the front panel

do the front panel lights

Yes

No

module troubleshooting

and PANEL LOCK LED blinks for a

while and go off later ￿all LED s

procedure 2

Replace the Fun

￿page 6-55￿.

except SETUP and

￿page 6-31￿.

CH1 LED￿?

Yes

Press the PRINCIPAL

Perform the LCD and

Does the

No

POWER SWITCH to OFF

Backlight inverter

display seem

and remove the cabinet

troubleshooting

to be working

using the Rear Cover and

procedure 3

at all?

Cabinet removal procedure.

￿page 6-33￿.

Yes

Does the

generator respond

No

Perform the CPU module

correctly when the

troubleshooting procedure 2

front panel buttons

￿page 6-55￿.

are pushed?

Yes

Does

Perform the module isolation

the generator power

No

troubleshooting procedure 4

on and pass all the

￿page 6-31￿.

diagnostics?

Done.

Figure 6-25: Primary troubleshooting procedure

6-52 AWG710 Service Manual