Sony TA-SB500WR2 Service Manual page 20

TA-SB500WR2
QQ
3 7 63 1515 0
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
TE
L 13942296513
D 1
NC 2
S/GND 3
VCC 4
SS/OLP 5
FB 6
FB
+
–
OCP
–
+
BD
+
–
www
OCP/BD 7
.
20
http://www.xiaoyu163.com
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
x ao
y
i
http://www.xiaoyu163.com
8
+
REGULATOR
START/STOP
Q Q
& ICONST
–
3 6 7 BURST 1 3
BURST
CONTROL
OVP
OLP
+
–
Q
R
S
u163
.
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9