Sony CDX-GT40U Service Manual page 35

CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
IC1300 OZ539IGN-A1-0-TR (MAIN board (2/5))
BST 1
LX 2
VIN 3
REFERENCE
EN_SYS 4
GENERATOR
OSCILLATOR
USB_OUT 5
FB_US 6
VS
SEL
CHARGE
PUMP
USB_IN 7
SYNC 8
IC681 NJM2878F3-15 (TE2) (MAIN board (5/5))
5
BANDGAP
REFERENCE
1 2
OCP
S
Q HDR
S
VOUT_SYS(USBIN)
FAULT PROTECTION
ADJ
GENERATOR
OVER-CURRENT OVER-CURRENT
LIMIT LIMIT
OVER-CURRENT USB FAULT
PROTECTION LIMIT
4
THERMAL
PROTECTION
3
16
VREF
15
RT
14
GNDA
2V
UVLS
13
SS_SYS
12
EN_USB
11
VIC_USB
10 ISET_USB
9
FLT_USB
Ver. 1.4
35