Sony STR-DA5500ES Service Manual Digest page 117

QQ
3 7 63 1515 0
IC3516, 3520, 3521 TK11150CSCL-G
IC3608
IC3614, 3616, 3860 TK11133CSCL-G
IC3852
5
OVER HEAT &
OVER CURRENT
PROTECTION
CONTROL
CIRCUIT
BANDGAP
REFERENCE
1 2
IC3525 TC7WT125FU (TE12R)
G1# 1
A1 2
Y2 3
TE
L 13942296513
GND 4
IC3619, 3620 TC74LCX245FK (EL, K)
DIR 1
A1 2
A2 3
A3 4
A4 5
A5 6
www
A6 7
A7 8
.
A8 9
GND 10
http://www.xiaoyu163.com
TK11118CSCL-G
TK11125CSCL-G
4
–
+
3
8 VCC
7 G2#
6 Y1
5 A2
20 VCC
19 OE
18 B1
17 B2
16 B3
15 B4
14 B5
x ao u163
13 B6
y
i
12 B7
11 B8
http://www.xiaoyu163.com
2 9
8
IC3519 TK63812AMHGHL-C
VIN 1
THERMAL &
OVER CURRENT
PROTECTION
VOLTAGE
GND 2
REFERENCE
ON/OFF
VCONT 3
CONTROL
IC3526 SN74LV4052APWR
2Y0 1
2Y2 2
2-COM 3
Q Q
3 6 7 1 3 1 5
2Y3 4
2Y1 5
INH 6
GND 7
GND 8
IC3622 TK11233CMCL-G
IC3851 TK11225CMCL-G
6
CONTROL
CIRCUIT
BANDGAP
REFERENCE
1
co
.
STR-DA5500ES
9 4 2 8
–
+
6 VOUT
5 NC
4 NC
16 VCC
15 1Y2
14 1Y1
0 5 8 2 9 9 4 2 8
13 1-COM
12 1Y0
11 1Y3
10 A
9 B
5
CONSTANT OVER HEAT &
CURRENT OVER CURRENT
SOURCE PROTECT
2
m
9 9
9 9
4
3
117