Sony DAV-FX100W Service Manual page 19

• IC Block Diagrams
– DIAT POWER Board –
IC901 STR-W6765N (AEP, UK, RU)
D 1
NC 2
S/GND 3
VCC 4
SS/OLP 5
FB 6
OCP/BD 7
DRIVE
REGULATOR
DELAY
FB
+
–
OCP
–
S
+
Q
R
BSD
–
+
BD
+
COUNTER
–
IC904 NJM2374AE (TE2)
CS 1
Q S
PWM
LOGIC
R
ES 2
CT 3 OSC
GND 4 VREF
REGULATOR
PROTECTION
& ICONST
LATCH
R
Q
S
OVP
OLP
+
–
SOFT START
Q
R
S
OSC
BOTTOM
SELECTOR
+
–
IPK SENSE
+
–
PWM
–
COMPARATOR
+
ERROR AMP
TA-WR2
+
START/STOP
–
BURST
BURST
CONTROL
8 CD
7 SI
6 V+
5 IN+
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