Teledyne 4700 Serivce Manual page 101

Smooth
Bk
Bu
Ribbed
Y Y
Figure 4-9 Electrical connections on 230V compressors
Figure 4-10 CPU CBA cable routing in refrigerator rear wall
4700 Refrigerated Sampler Service Guide
Bu
Br
Grn/Y
3. Following the steps for removing the control panel in Sec-
tion 4.4, disconnect the two power supply harnesses from
the circuit board connectors P11 and P14 (Figure 4-2).
These two harnesses come from the black line cord routed
through the black cord-grip fitting, above the upper right
corner of the fan, between the top and rear compartments
of the 4700 (Figure 4-10).
4. Unscrew the black cord-grip fitting from the bulkhead in
the refrigerator's rear wall above the upper right corner of
the fan.
Section 4 CPU and Power Supply
cord-grip fitting
CPU CBA
power cable
4-19