Sony HCD-RV222D Service Manual page 69

HCD-RV222D/RV222DL/RV333D/RV333DL/RV555D
IC901 SI-3010KFEK (MAIN Board (3/3))
3 2
5 4
IC903 NJM2387ADL3(TE2) (MAIN Board (3/3))
OVERVOLTAGE
PROTECTION
BANDGAP
REFERENCE
1 2 3
VIN CONTROL VOUT
IC904 NJM2903M-TE2
(MAIN Board (3/3))
OUT 1 8 VCC
2 7
–IN OUT
+IN 3 6 –IN
4 5
GND +IN
1
REF
TSD
CURRENT
LIMIT
THERMAL
PROTECTION
4 5
VADJ GND
69