Advertisement
TELEVISION
AC In
5
OVP
GND
TSD
4
VCC
OSC
S
DRV
3
D
2
ST R-
1
F6514/5
Ocp/
FB
SWITCH CIRCUIT REVIEW
POWER ON
Relay
REG
Refresh
1STB13
•
Power ON command
B1
received by Micon
•
Micon turns off Photo
Coupler and turns on Main
Power Relay and circuits
•
Error Amp monitors B1
1STB13
and controls Switching IC
off time.
5V
•
Refresh Circuit added in
case TV circuits require
additional power.
CPU
•
Refresh circuit allows
Switching IC to be turned
On whenever needed by
applying 2V pulse to IC.
Advertisement
