Sony HBD-DZ330 Service Manual page 62

HBD-DZ330/DZ710/DZ730
IC901 STR-F6168-LF1352 (POWER Board)
Reg1
Internal
Bias
62
UVL0
+
OVP
ON=16V
–
OFF=10.5V
TSD
IOLP
+
–
Volp
OSC
Reg3
Current mirror
Reg2
Delay
Rg2
Rg3
Rg1
Delay
Latch
OCP1
+
–
Vocp
INH1
+
–
Boottom Skip Vth1
Logic
INH2
+
–
OCP2
Vth2
Logic
FB
OCP2
Vocp(BSIN,OUT)
FB/OLP
5
VCC
4
D
3
POWER
MOS FET
2 GND
1 OCP/SYNC