Sony STR-KS370 - Page 37

STR-KS370
37
- SMPS Board -
IC901 STR-F6138-LF1352
OVER
CURRENT
PROTECT
2
LOGIC
OSC
INTERNAL BIAS
DELAY
DELAY
LATCH
CURRENT
MIRROR
OVER
CURRENT
PROTECT
2
OVER
CURRENT
PROTECT
1
FEED
BACK
INH
2
INH
1
BOTTOM
SKIP
LOGIC
OCP/INH
1
S/GND
2
DRAIN
3
VCC
4
FB/OCP
5
UNDER VOLTAGE
LOCK OUT
OVER LOAD
PROTECT
THERMAL
SHUT DOWN
OVER VOLTAGE
PROTECT
SWITCHING
REGULATOR
BLOCK
IC921 STR-V153
5 841 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