Relay Board - Sony HCD-FC8 Service Manual

IC906 SI-8033JF
REGULATOR
RESET
ON/OFF
OSC
SOFT
COMPARATOR
START
+
–
+
–
ERROR AMP
1
– RELAY BOARD –
IC701, IC711, IC721 BA6956AN
1 2 3 4
OVER
CURRENT
PROTECTOR
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
VREF
2 3 4 5
TSD
CONTROL LOGIC
5 6 7 8 9
IC908 SI-8120JF
OVER
CURRENT
REGULATOR
PROTECTOR
RESET
ON/OFF
OSC
SOFT
COMPARATOR
START
+
–
+
–
ERROR AMP
1
HCD-FC8/FC9
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
VREF
2 3 4 5
79