Sony HCD-DZ777K Service Manual page 67

IC901 STR-F6138-LF1352 (POWER Board)
UVL0
+
ON=16V
–
OFF=10.5V
Reg1
Internal
Bias
Reg3
Current mirror
IC941 SI-3010KM-TL (POWER Board)
IC201 SI-3010KM-TL (MAIN Board (6/9)) (DZ570K/DZ777K)
IC504 SI-3010KM-TL (MAIN Board (5/9))
IC505 SI-3010KM-TL (MAIN Board (5/9))
IC506 SI-3010KM-TL (MAIN Board (5/9))
5 4 3 2 1
HCD-DZ265K/DZ266K/DZ270K/DZ570K/DZ777K
Reg2
OVP
TSD Delay
IOLP
+
Latch
–
Volp
Boottom Skip
OSC
Logic
OCP2
Logic
REF
TSD
Delay
POWER
Rg2
MOS FET
Rg3
Rg1
OCP1
+
–
Vocp
INH1
+
–
Vth1
INH2
+
–
Vth2
FB
OCP2
Vocp(BSIN,OUT)
5 FB/OLP
4 VCC
3 D
2 GND
1 OCP/INH
67