Sony CDX-GT42IPW Service Manual page 34

CDX-GT42IPW/GT44IP/GT420IP
34
IC220 NJM4558V-TE2 (MAIN Board (2/4))
8 V+
A OUTPUT 1 7 B OUTPUT
A B
A -INPUT 2
6 B -INPUT
A +INPUT 3
5 B +INPUT
V- 4
IC260 NJM2387ADL3 (MAIN Board (3/4))
OVERVOLTAGE
PROTECTION
BANDGAP
REFERENCE
1 2
VIN CONTROL VOUT
CURRENT
LIMIT
THERMAL
PROTECTION
3 4 5
VADJ GND