Sony HCD-RV20 - IC Block Diagrams

43
HCD-RV20/RV50/RV60
IC102 AN41020A (BD BOARD)
3-25. IC BLOCK DIAGRAMS
313029 32 3433 35 36 37 38 39 40 41 42 43
4746
DIRECTION
DETECT
52515048 53 55 565444 45
PVCC/2
PVCC/2
DIRECTION
DETECT
DIRECTION
DETECT
DIRECTION
DETECT
2728 26 25 24 23 22 12 10 9 8 567 34 2 111131415161718192021
•STANDBY
•BAND-GAP
•SVCC
RESET DIRCUIT
SGND OPO2(NC) IN2- IN2+ IN1- OPO1(NC) OP.O OP- IN1+ NC(VDD) NC(VPUMP1) OP+ NC NC(BC2) PVCC1 PVCC1 NC VO1+ NC PVCC/2(NC) NC NC VO1- PGND1 PGND1 VO2+ VO2- NC(BC1)
SVCC
IN3+
IN3-
OPO3(NC)
IN4
IN4R
NC
NC(FB)
VREF
NC(CT)
NC(VPUMP2)
NC(SW)
NC
NC(BC4)
PVCC2 PVCC2
NC
VO4-
NC
STB
NC
PGND2
NC
VO3-
VO4+
PGND2
VO3+
NC(BC3)
49