Sony HCD-DZ20 - IC Block Diagrams - Power and IO ICs; IC Block Diagrams - Power ICs; IC Block Diagrams - IO ICs

47
HCD-DZ20
IC901 STR-F6138-LF1352
OCP/INH
1
S/GND
2
Drain
3
Vcc
4
FB/OLP
5
+
–
+
–
+
–
+
–
+
–
Delay
OVP
TSD
Delay
Reg2
Reg1
Reg3
Current mirror
POWER
MOS FET
Latch
OSC
Boottom Skip
Logic
OCP2
Logic
Internal
Bias
OCP1
Vocp
Rg3
Rg2
Rg1
OCP2
+
–
UVL0
ON=16V
OFF=10.5V
INH1
INH2
FB
Vth1
+
–
IOLP
Volp
Vth2
Vocp(BSIN,OUT)
– MAIN Board –
– IO Board –
IC602 MC14052BDR2
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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