Sony STR-D560Z Service Manual page 162

STR-DA4300ES
– DC-DC Board –
IC1402, 1403 SI-8008HFE
ON/OFF
PREG
SOFT
START
OSCILLATOR
COMPARATOR
–
+
–
+
+
ERROR AMP
1
IC1405 SI-8120JF
OVER
CURRENT
REGULATOR
PROTECTOR
RESET
ON/OFF
OSC
SOFT
COMPARATOR
START
+
–
+
–
ERROR AMP
1
122
OVERCURRENT
PROTECTION
LATCH
RESET
&
DRIVER
THERMAL
PROTECTION
REFERENCE
VOLTAGE
2 3 4 5
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
VREF
2 3
4 5
IC1404 SI-8050S-LF1101
OVER
REGULATOR CURRENT
PROTECTOR
OSC RESET
+
–
COMPARATOR
+
–
ERROR AMP
1
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
VREF
2 3 4 5