Sony HBD-TZ210 Service Manual page 54

HBD-TZ210/TZ230/TZ510/TZ630/TZ710
Ver. 1.1
IC901 STR-F6138-LF1352 (POWER Board) (CND, MX, TW)
IC901 STR-F6168-LF1352 (POWER Board) (EXCEPT CND, MX, TW)
Reg1
Internal
Bias
54
UVL0
+
OVP
ON=16V
–
OFF=10.5V
TSD
IOLP
+
–
Volp
OSC
Reg3
Current mirror
Reg2
Delay
POWER
Rg2
MOS FET
Rg3
Rg1
Delay
Latch
OCP1
+
–
Vocp
INH1
+
–
Boottom Skip Vth1
Logic
INH2
+
–
OCP2
Vth2
Logic
FB
OCP2
Vocp(BSIN,OUT)
5 FB/OLP
VCC
4
D
3
2 GND
1 OCP/SYNC