Sony STR-K660P Service Manual page 28

STR-K660P
QQ
3 7 63 1515 0
64 63
INL10/RECL4
65
INR10/RECR4
66
AVEE
67
INL9
68
INR9
69
INL8
70
INR8
71
INL7
72
INR7
73
INL6 74
INIR6 75
INL5
76
INR5
77
INL4
78
INR4
79
INL3 80
1
TE
L 13942296513
IC501 STK350-230 (MAIN BOARD)
IC503 STK350-230 (SUB WOOFER BOARD)
TR1
INPUT 1
TR2
NF 2
3
4
-VEOUT 5
+VEOUT 6
R4
TR5
7
V
SS
GND
8
D1 D2 R5
V 9
CC
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R9
TR8
.
28
http://www.xiaoyu163.com
IC201 M61527FP (MAIN BOARD)
62 61 60 59 58 57 56 55
2 3 4 5 6 7 8 9 10
TR3 R1
TR4
R2
R6
TR7
TR6
R3
D4 D3
R8 R7
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y
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http://www.xiaoyu163.com
8
54 53 52 51 50 49 48 47 46
11 12 13 14 15 16 17 18 19
Q Q
3 6 7 1 3
IC701, 702 µPC2581V-S (MAIN BOARD)
PROTECTOR
REG DRIVE
2 3 4 5 6
1
u163
.
2 9 9 4 2 8
45 44 43 42 41
SLVIN
40
SLSELOUT
39
CSELOUT
38
CVIN
37
COUT
36
SWOUT
35
34 SWVIN
33 SWSELOUT
GND
32
31 AVCC
30 DVDD
29 LATCH
DATA
28
CLOCK
27
DGND
26
SWIN2
25
20 21 22 23 24
1 5 0 5 8 2 9 9 4
BIAS CIRCUIT
PRE
PRE
DRIVE
DRIVE
DRIVE
7 8 9 10 11 12 13 14 15
m
co
9 9
2 8 9 9