JVC XM-P55 Service Manual page 12

XM-P55
XM-PJ1
MB3800PFV-W(IC931):Switching Regulator Controller
Terminal Layout
Block Diagram
Reference
voltage
Pin Function Description
Pin No. Symbol
2-10
Soft start
S.C.P
Functions and operations
Error amplifier inversion input
Soft start, capacity for SCP setting connection
Power supply
Output current setting, control
Totem-pole output
Ground
Capacity for oscillation frequency setting, resistant connection
Error amplifier output
Santooth
wave generator
Output drive
control circuit