Sony HCD-DZ30 Service Manual page 47

IC901 STR-F6168-LF1352 (EXCEPT E87, MX MODEL) (MAIN Board (8/8))
IC901 STR-F6138-LF1352 (E87, MX MODEL) (MAIN Board (8/8))
UVL0
+
ON=16V
–
OFF=10.5V
Reg1
Internal
Bias
Reg3
Current mirror
IC602 MC14052BDR2 (IO Board)
16 11 14 13 12
BINARY TO 1-OF-4
DECODER WITH
INHIBIT
1 2 3 4 5
Reg2
OVP
TSD Delay
IOLP
+
Latch
–
Volp
Boottom Skip
OSC
Logic
OCP2
Logic
11 10 9
LEVEL
CONVERTER
6 7 8
Delay
POWER
Rg2
MOS FET
Rg3
Rg1
OCP1
+
–
Vocp
INH1
+
–
Vth1
INH2
+
–
Vth2
FB
OCP2
Vocp(BSIN,OUT)
HCD-DZ30
Ver. 1.3
5
FB/OLP
4
Vcc
3
Drain
2
S/GND
1
OCP/INH
47