Sony XAV-612BT Service Manual page 49

IC461 SI-8205NHG-TL
GND 1
SS_REF
ENABLE/
EN/SS 2
SOFT-START
STANDBY
VIN 3
REGULATOR
REGULATOR
UNDER
VOLTAGE
LOCK OUT
REG_DRV
DRIVE
REGULATOR
REG
VIN
UNDER
VOLTAGE
VINOK
LOCK OUT
VINOK REG
IRAMP
SET_PH
OSC_RAMP
SYNC 4
FORC_OFF
FB
REG
REFERENCE
VOLTAGE
IC503 MM1836A33NRE
CONT 1 BIAS
–
+
VOLTAGE
REFERENCE
GND 2
NC 3
REG
OVER
CURRENT
PROTECT
REG
COMPARATOR
REG VINOK
CURRENT RES_PH PHASE
COMPARATOR LOGIC
REGOK
REF
BG
5 VIN
CURRENT
LIMIT
REGULATOR
4 VOUT
THERMAL
SHUTDOWN
REG_DRV
ISNS
ICSPWM
CURRENT
ICSOCP
POWER
SENSE
STAGE
BG
REG REG
PHASE
GATE CBCHG
LSOFF
LOGIC
REG
INIT_PH
OVT
INIT_CC
REGOK CONTROL
LOGIC
VINOK
INIT_OVP
OVP
INIT_COMP
IC702 NJM2534M (TE2)
8 7
BUFFER
1 2 3 4
XAV-612BT
8 SW
7 BS
REG
BS_CHG
VINOK
VINOK
REG
THERMAL
BG
SHUTDOWN
REG
OVER
VOLATAGE
6 FB
PROTECT
COMPARATOR
REG
ERROR
AMP
5 COMP
6 5
BIAS
49