Dell Inspiron 1764 Service Manual page 5

Hide thumbs Also See for Inspiron 1764:

At the pcb RPM c

ol ME-2QR-24/42-2.1: bridge jumper to DV 30

JPl

opened

JP2

placed middle-extern

JP3

placed middle -extern

JP4

placed middle -extern

Main switch ON

Program mode:

<>Press botton Gas and pull back TEDAC-slide switch app. 5sec

Turn poti voltage until the upper display shows „dFlt

Move TEDAC-slide switch until the other display shows „0"

Turn poti voltage until the upper display shows „dr"

Adjust with TEDAC-slide switch until the other display shows 3.0 = 3,0m/min.

Press torch trigger

If the wire feeding motor does not run constantly but in the right direction, change the

tacho connector inside the wire feeder (cl. 5 and cl 6 'Pyellow wires);

If the motor is running in the wrong direction check the cables of the anchor;

If the motor is correctly connected, it can be adjusted with the poti energy or with TED AC,

If the motor is adjustable but turning to the wrong direction, the connection of the tacho and

the anchor must be changed

Turning direction of the motor axe: right

LED at pcb ME-2QR-24/42-2.1

Torch trigger ON: LED "Frg" (Free green) enlightened;

Torch trigger OFF: LED "B" (Brakes yellow) enlightened shortly; LED "Frg" off;

rpShort circuit between contact tip and work piece <P

Torch trigger ON

Mesure with a multimeter at pcb ME-2QR-24/42-2.1 onX3/1 (GND)X3/4 (+)

app. 1,2V,

DV30: Tacho voltage on pcb ME-2QR-24/42-2.1:

XI - 5-6 adjust to app. 2.93V-DC with d immer "min "