JBL A3000GTi Failed Fuse, Place using the two fuse nuts, Unscrew its wires, Neon Tubes

SETTING UP THE GTI AMPLIFIER

7.Using a T-15 screwdriver, remove the two Torx-head screws on the display board and set them aside

(see Figure 16 below). Disconnect the ribbon cable from display board.

8.Using a T-15 screwdriver, remove the 16 Torx-head screws on the perforated shield and set them aside (see Figure 16).

Figure 16. Removing the fuse from the

A6000GTi amplifier.

Failed

Fuse

9.Using a small flat-blade screwdriver, disconnect the wiring for the neon tubes.

10.Remove the perforated shield and set it aside.

11.Replace the fuse or a neon tube as follows:

•To replace the fuse on the ampli- fier circuit board (see Figure 16), use a 7⁄16-inch hex-socket driver to remove the two fuse nuts and then discard the failed fuse. Fasten the replacement fuse

in place using the two fuse nuts.

•To replace a neon tube (see Figure 17), use a T-15 screwdriver and pli- ers to remove the two Torx-head screws, nuts and washers on the two clamps that hold each neon tube in place. Remove the failed neon tube

and unscrew its wires.

On the replacement neon tube, clip off the cigarette lighter adapter. Then strip the wires and screw the ends to the connector. Refasten the two clamps with hardware in place around the neon tube. If needed, repeat this proce- dure for another failed neon tube.

Figure 17. Neon tube locations on the

A6000GTi amplifier.

6" Neon Tubes

20" Neon Tube (under shield)

12.Reassemble the amplifier in reverse order, as discussed in Steps 1 through 10.

10