Read Sony DAV-DZ770W / DAV-FX999W / TA-WR3 Service Manual online
11
TA-WR3
•
IC Block Diagrams
– DIAT POWER Board –
IC901 STR-W6765N
IC904 NJM2374AE (TE2)
D 1
NC 2
S/GND 3
VCC 4
SS/OLP 5
FB 6
OCP/BD 7
DELAY
Q
R
S
+
–
+
–
+
–
Q
S
R
+
–
BOTTOM
SELECTOR
COUNTER
OSC
R
Q
S
SOFT START
+
–
OVP
REGULATOR
& ICONST
+
–
BURST
CONTROL
START/STOP
BURST
PROTECTION
LATCH
DRIVE
REGULATOR
OLP
BSD
BD
OCP
FB
CS 1
ES 2
CT 3
IN+
5
Q
S
R
PWM
LOGIC
OSC
GND 4
V+
6
VREF
+
–
+
–
+
–
ERROR AMP
PWM
COMPARATOR
SI
7
CD
8
IPK SENSE
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