Sony HCD-TZ100 Service Manual page 46

HCD-TZ100/TZ200/TZ300
46
IC901 STR-F6138-LF1352 (POWER Board) (MX model)
IC901 STR-F6168-LF1352 (POWER Board) (EXCEPT MX model)
UVL0
+
OVP
ON=16V
–
OFF=10.5V
TSD
Reg1
IOLP
+
Internal
–
Bias
Volp
Reg3
Current mirror
Reg2
Delay
Rg1
Delay
Latch
OCP1
+
–
Vocp
INH1
+
–
Vth1
Boottom Skip
OSC
Logic
INH2
+
–
OCP2
Vth2
Logic
FB
OCP2
Vocp(BSIN,OUT)
5 FB/OLP
VCC
4
3 D
POWER
Rg2
MOS FET
Rg3
2 GND
1 OCP/INH