Read Sony HT-CT550W / SA-WCT550W Service Manual online
SA-WCT550W
17
IC108 S-1170B33UC-OTSTFG
IC109 SI-3010KM-TLS
VOUT
VIN
5
ON/OFF
4
1
VSS 2
NC 3
+
–
–
OVERCURRENT
PROTECTION
THERMAL
SHUTDOWN
REFERENCE
VOLTAGE
ON/OFF
CONTROL
1
VC
TSD
2
VIN
3
GND
4
VOUT
5
ADJ
+
–
REF
– POWER Board –
IC910 STR-A6159M
1
SOURCE/OCP
8 D
7 D
7 D
5 STARTUP
6 NC
2
VCC
4
FB/OLP
3
GND
THERMAL
SHUTDOWN
DELAY
BUFFER
BLANKING
DISCHARGE
LATCH
INTERNAL
BIAS
UNDERVOLTAGE
LOCKOUT
OVER LOAD
PROTECTION
OVER VOLTAGE
PROTECTION
OVER
CURRENT
PROTECTION
OFF TIMER
DRIVE
+
–
–
S
R
PWM
LATCH
FEED
BACK
BACK
BIAS
BURST
Q
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