Sony STR-DN1000 Service Manual page 55

QQ
3 7 63 1515 0
IC3507 TC74VHC541FT (EL)
20 19 18 17
2 3
1
IC3509, 3510 TK11150CSCL-G
IC3851 TK11118CSCL-G
5
OVER CURRENT
CONTROL
CIRCUIT
TE
L 13942296513
BANDGAP
REFERENCE
1 2
IC3513 TC7WT125FU (TE12R)
G1# 1
A1 2
Y2 3
GND 4
www
.
http://www.xiaoyu163.com
16 15 14 13 12
4 5 6
7 8
4
OVER HEAT &
PROTECTION
–
+
3
8 VCC
7 G2#
6 Y1
5 A2
x ao
y
i
http://www.xiaoyu163.com
8
IC3523 SN74CB3Q16211DGVR
11
NC 1
1A1 2 SWITCH
1A2 3 SWITCH
9 10
1A3 4 SWITCH
1A4 5 SWITCH
1A5 6 SWITCH
1A6 7 SWITCH
GND 8
1A7 9 SWITCH
1A8 10 SWITCH
1A9 11 SWITCH
1A10 12 SWITCH
1A11 13 SWITCH
1A12 14 SWITCH
2A1 15 SWITCH
Q Q
3 6 7 1 3
2A2 16 SWITCH
VCC 17
2A3 18 SWITCH
GND 19
2A4 20 SWITCH
2A5 21 SWITCH
2A6 22 SWITCH
2A7 23 SWITCH
2A8 24 SWITCH
2A9 25 SWITCH
2A10 26 SWITCH
2A11 27 SWITCH
2A12 28 SWITCH
u163
.
2 9 9 4 2 8
56 1OE
55 2OE
54 1B1
53 1B2
52 1B3
51 1B4
50 1B5
49 GND
48 1B6
47 1B7
46 1B8
45 1B9
44 1B10
43 1B11
42 1B12
41 2B1
1 5 0 5 8 2 9 9 4
40 2B2
39 2B3
38 GND
37 2B4
36 2B5
35 2B6
34 2B7
33 2B8
32 2B9
31 2B10
30 2B11
29 2B12
m
co
STR-DN1000
9 9
2 8 9 9
55