Sony STR-DA6400ES Service Manual page 139

QQ
3 7 63 1515 0
IC3622, 3625 TK11233CMCL-G
IC3851, 3856 TK11225CMCL-G
6
CONTROL
CIRCUIT
BANDGAP
REFERENCE
1
IC3623 LTC3412EFE#TR
SVIN 1
VOLTAGE
REFERENCE
TE
L 13942296513
PGOOD 2
ITH 3
0.74V
VFB 4
0.86V
OSCILLATOR
RT 5
SYNC/
6
MODE
RUN/SS 7 RUN
SGND 8
www
.
http://www.xiaoyu163.com
5
CONSTANT OVER HEAT &
CURRENT OVER CURRENT
SOURCE PROTECT
2
–
+
+
BURST
–
+
COMPARATOR
–
ERROR
SLOPE
AMP
COMPENSATION
RECOVERY
PMOS CURRENT
COMPARATOR
+
+
–
–
+
–
SLOPE
COMPENSATION
NMOS CURRENT
COMPARATOR
LOGIC
+
–
–
+
REVERSE
CURRENT
COMPARATOR
x ao
y
i
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8
4
3
Q Q
3 6 7 1 3
16 PVIN
15 SW
14 SW
13 PGND
12 PGND
11 SW
10 SW
9 PVIN
u163
.
STR-DA6400ES
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9
139