Sony STR-DA5500ES Service Manual Digest page 130

STR-DA5500ES
QQ
3 7 63 1515 0
– CIS Board –
IC802 TC7W53F (TE12R)
COMMON 1
INH 2
VEE 3
GND 4
CONVERTER
IC1402, 1403 SI-8008HFE
OVERCURRENT
ON/OFF
PREG
PROTECTION
SOFT
START
OSCILLATOR
TE
L 13942296513
COMPARATOR
–
+
–
+
+
ERROR AMP
1
– DCDC2 Board –
IC1451 SI-8008HFE
OVERCURRENT
ON/OFF
PREG
PROTECTION
SOFT
START
OSCILLATOR
COMPARATOR
–
+
–
+
+
www
ERROR AMP
.
1
130
http://www.xiaoyu163.com
8 VCC
C
LOGIC
OUT IN 7 CH 0
LEVEL
C
OUT IN 6 CH 1
5 A
LATCH
RESET
&
DRIVER
THERMAL
PROTECTION
REFERENCE
VOLTAGE
2 3 4 5
LATCH
RESET
&
DRIVER
THERMAL
PROTECTION
REFERENCE
x VOLTAGE ao
y
i
2 3 4 5
http://www.xiaoyu163.com
8
– DC-DC Board –
IC1401, 1404 SI-8050S-LF1101
REGULATOR
OSC
+
–
COMPARATOR
+
–
ERROR AMP
1
IC1405 SI-8120JF
REGULATOR
ON/OFF
Q Q
OSC
SOFT 3 6 7 1 3
COMPARATOR
START
+
–
ERROR AMP
1
u163
.
2 9 9 4 2 8
OVER
CURRENT
PROTECTOR
LATCH
RESET
&
DRIVER
OVER HEAT
PROTECTOR
VREF
2 3 4
OVER
CURRENT
PROTECTOR
LATCH
RESET
&
DRIVER
1 5 0 5 8 2 9 9 4
OVER HEAT
PROTECTOR
+
–
VREF
2 3
4 5
m
co
9 9
5
2 8 9 9