7100ux Optical Jukebox Service Manual (AA969-90904, September 2004)

FRU Removal and Replacement

126 1000ux/1900ux/2300ux and 3800ux/7100ux Optical Jukebox Service Manual

Replacing the Power Distribution PCA

1. Remove the lower right-side access panel (see “Access for 3800ux/7100ux Models” on

page 46).

2. Remove the power cable and other power distribution cables from the PCA. See Figure 80.

— #1 - 24 V input to the controller PCA

— #2 - 24 V from 24 V supply

— #3 - input to the lower 5/12 V power supply

— #4 - input to the upper 5/12 power supply

— #5 - ground strap

— # 6 - line input

3. Remove the power distribution PCA.

a. Remove the T-20 screw on the static strap (strap is #5 on Figure 80).

b. Remove the other six T-20 screws holding the PCA. Four screws are on the PCA and

two are on the power plug bracket (see Figure 80).

Figure 80: Power Distribution PCA