Servicing Information - Panasonic CS-W7CKP Service Manual

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12 Servicing Information

Caution:
• Pb free solder has a higher melting point than standard solder; Typically the melting point is 50 - 70°F (30 - 40°C) higher. Please use
a high temperature soldering iron. In case of the soldering iron with temperature control, please set it to 700 ± 20°F (370 ± 10°C).
• Pb free solder will tend to splash when heated too high (about 1100° F/600°C).
12.1. Indoor Electronic Controllers Removal Procedures
1. The Electronic Controller, a Signal Receiver and an
Indicator (Fig. 3) can be seen by the below steps:
• Remove the 2 caps and 2 screws at the bottom of the
Front Grille. (Fig. 1)
• Remove the Front Grille by releasing the 2 hooks at the
top of the Front Grille. (Fig. 1)
• Remove the Control Board Cover by releasing the 2
tabs at left, 1 tab on top and 1 tab at right side of the
Control Board Cover. (Fig. 2)
2. To remove the Electronic Controller:
• Release the Particular Piece. (Fig. 3)
• Release the hook that hold the Electronic Controller.
(Fig. 3)
12.2. Indoor Fan Motor and Cross Flow Fan Removal Procedures
• Remove the Control Board by:-
− Releasing CN-REC/DISP connectors. (Fig. 4)
− Releasing CN-FM connectors. (Fig. 4)
− Releasing CN-ION connector. (Fig. 4)
− Releasing CN-STM connector. (Fig. 4)
− Removing the Earth Wire screw. (Fig. 4)
− Releasing the Intake Air Sensor. (Fig. 4)
− Releasing the Piping Sensor. (Fig. 4)
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CS-W7CKP CU-W7CKP5 / CS-W9CKP CU-W9CKP5 / CS-W12CKP CU-W12CKP5
Fig. 1
Fig. 2
Fig. 3
Fig. 4