Panasonic KX-P1180 Service Manual page 20
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Also See for KX-P1180:
- Operating instructions manual (142 pages) ,
- Operating instructions manual (142 pages)
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KX-P1180
(2) Power Circuitry
(a) 27V Switching Regulator Circuit
The AC 27V, provided from secondary transformer, is rectified by a bridge circuit (consisting of D1, D2, D3,
D4), anda
stabilized DC voltage (30V) is provided. 1C1(,PC494) is a fixed frequency, pulse width modulation
control circuit designed for switching mode power supply control.
(b) 5V Switching Regulator Circuit
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