Sony STR-KS2000 Service Manual - Page 50
IC921, STR-V153, IC941, SI-3120KM-TL, IC942, SI-3050KM-TL, IC944, SI-3033KM-TL
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D N.C. SOURCE/OCP VCC GND FB/OLP N.C. STARTUP STR-KS2000 IC921 STR-V153 + + + OVP TSD DRIVE POWER MOS FET BLANKING DELAY OLP LATCH DISCHARGE OCP 123 BUFFER 4 5 67 INTERNAL BIAS UVLO PRC LATCH QS R BURST FB - + + + OFF TIMER 8 IC941 SI-3120KM-TL IC942 SI-3050KM-TL IC944 SI-3033KM-TL VC 1 VIN 2 GND 3 VOUT 4 ADJ 5 TSD - + REF 50
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STR-KS2000
50
IC921
STR-V153
5
8
4
1
2
3
GND
6
FB/OLP
7
N.C.
STARTUP
VCC
D
N.C.
SOURCE/OCP
+
–
+
+
+
+
+
Q
S
R
DISCHARGE
BLANKING
BUFFER
TSD
DELAY
LATCH
INTERNAL
BIAS
OFF TIMER
PRC LATCH
BURST
FB
OCP
OLP
DRIVE
OVP
UVLO
POWER
MOS FET
IC941
SI-3120KM-TL
IC942
SI-3050KM-TL
IC944
SI-3033KM-TL
1
VC
TSD
2
VIN
3
GND
4
VOUT
5
ADJ
+
–
REF