Sony TA-SB500WR2 Service Manual page 20

TA-SB500WR2
IC904 NJM2374AE (TE2)
CS 1
Q S
PWM
LOGIC
R
ES 2
CT 3 OSC
–
GND 4 VREF
+
ERROR AMP
– DIAT POWER Board –
IC901 STR-W6735N
D 1
NC 2
S/GND 3
VCC 4
SS/OLP 5
FB 6
FB
+
–
OCP
–
+
BD
+
–
OCP/BD 7
20
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8 CD
+ 7 SI
– 6 V+
IPK SENSE
+
–
PWM
COMPARATOR
5 IN+
DRIVE
REGULATOR
PROTECTION
LATCH
R
DELAY
Q
S
SOFT START
S
Q
R OSC
BSD
–
BOTTOM
SELECTOR
+
COUNTER
+
REGULATOR
START/STOP
& ICONST
–
BURST
BURST
CONTROL
OVP
OLP
+
–
Q
R
S