Service manual

Principles of Operation
+5 VDC regulator circuit
An NJM2355 switching regulator circuit is used for constant-frequency pulse
width modulation. The rectifier and smoothing circuit employs an NJM2355
circuit configured as a chopper-type switching regulator circuit. Figure 2-15
illustrates the +5 VDC regulator circuit.
Figure2-15. +5 KDC Regulator Circuit
2-16
LQ200/AP3000