Sony STR-K700 Service Manual - Page 30

IC501, IC601, IC701, STK350-530-E, IC400 M61542FP

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Page 30 highlights

STR-K700 - MAIN Board - IC400 M61542FP 56 55 54 53 RECR2 RECL2 RECR1 RECL1 52 LIGO 51 LVIN 50 LVC 49 LOUT 48 ROUT 47 RVC 46 RVIN 45 RIGO 44 SRIGO 43 SRVIN Volume Volume 5 Input selector GND 1 INL5 2 INR5 3 INL4 4 INR4 5 INL3 6 INR3 7 INL2 8 INR2 9 INL1 10 5 Input selector INR1 11 AVEE 12 ADIFL 13 ADIFR 14 15 Input ATT (for ADC) Input ATT (for ADC) 16 17 Volume Volume Volume Volume MCU I/F 18 19 20 21 22 23 24 25 26 27 28 42 SRC 41 SLOUT 40 SLOUT 39 SLC 38 SLVIN 37 SLIGO 36 CIGO 35 CVIN 34 CVC 33 COUT 32 SWOUT 31 SWC 30 SWVIN 29 SWIGO GND LIN RIN SLIN SRIN CIN SWIN GND GND DATA CLOCK DVDD AVCC GND IC501, IC601, IC701 STK350-530-E STAND-BY CIRCUIT DRIVER 4.7kΩ PRE DRIVER PRE DRIVER 47kΩ 33Ω 33Ω DRIVER 1 23 4 56 7 89 10 11 12 13 14 15 30 STANDBY CONTROL +VOUT1 -VOUT1 PHASE NF1 IN1 GND IN2 NF2 PHASE -VOUT2 +VOUT2 VCC VCC VEE

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30
STR-K700
– MAIN Board
–
IC501, IC601, IC701
STK350-530-E
IC400 M61542FP
2
1
55
53
56
54
16
17
3
4
5
6
5 Input selector
7
8
9
10
11
12
15
13
19
18
20
21
22
23
24
25
26
27
28
5 Input selector
45
29
30
32
31
Volume
14
Input ATT
(for ADC)
Input ATT
(for ADC)
36
35
33
34
Volume
37
38
40
39
Volume
GND
SRC
SLOUT
SLC
SLVIN
SLIGO
CIGO
CVIN
CVC
COUT
SWOUT
SWC
SWVIN
SWIGO
SLOUT
RECR2
RECR1
RECL1
LIGO
LVIN
LVC
LOUT
ROUT
RVC
RVIN
RIGO
SRIGO
SRVIN
RECL2
INL5
INR5
INL4
INR4
INL3
INR3
INL2
INR2
INL1
INR1
ADIFL
ADIFR
GND
LIN
RIN
SLIN
SRIN
CIN
SWIN
GND
GND
DATA
CLOCK
DVDD
AVCC
GND
AVEE
44
43
41
42
Volume
52
51
49
50
Volume
46
48
47
Volume
MCU I/F
1
2
3
4
5
6
STAND-BY
CIRCUIT
PRE
DRIVER
PRE
DRIVER
DRIVER
DRIVER
47k
Ω
33
Ω
33
Ω
4.7k
Ω
7
8
9
10
11 12
13
14
15
STANDBY CONTROL
+VOUT1
-VOUT1
+VOUT2
VCC
VCC
VEE
-VOUT2
NF1
PHASE
PHASE
NF2
IN1
IN2
GND