Fan Motor Section - Panasonic KX-FLB852CX Service Manual

7.9.

FAN MOTOR SECTION

These FAN are used to radiate heat in the unit.
7.9.1. Rear Fan (Fan1)
The signal level at pin G2/G3 of IC600 becomes high, the FAN is activated. In this case, the pulse signal as shown below input to
pin P16 of IC600 and the rotation of the FAN is detected.
7.9.2. Front Fan (Fan2)
The signal level at pin 83/84 of IC604 becomes high, the FAN is activated. In this case, the pulse signal as shown below input to
pin P18 of IC600 and the rotation of the FAN is detected.
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KX-FLB852CX / KX-FLB852CXS