Sony STR-KG800 Service Manual page 46

STR-KG800
Q Q
3 7 6 3 1 5 1 5 0
• IC Block Diagrams
– MAIN Board –
IC400 BD3471KS2
80 79 78 77 76 75 74 73 72 71 70 69 68
GND 1
SUB1 ADC
HPFN 2
LPF01 3
LPF02 4
LPFN2 5
LPFN1 6
SWVOL 7
VCC 8
DGND 9
DA 10
LOGIC
CL 11
VEE 12
FR
FROUT 13
VOLUME
FL
FLOUT 14
VOLUME
SW
EQ
VOLUME
SWOUT 15
C
COUT 16
VOLUME
SR
SROUT 17
VOLUME
T E
L 1 3 9 4 2 2 9 6 5 1 3
SL
SLOUT 18
VOLUME
SBR
19
SBROUT
VOLUME
SBL
SBLOUT 20
VOLUME
SWITCH
SUB2
w w w
SWITCH
21 22 23 24 25 26 27 28 29 30 31 32
STR-KG800
67 66 65 64 63 62 61
SWITCH SWITCH SWITCH SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH SWITCH SWITCH
SWITCH
SWITCH
SWITCH
REC
SWITCH
SWITCH SWITCH SWITCH SWITCH
SWITCH
SWITCH SWITCH
x a o
y
33 34 35 36 37 38 39 40
. i
http://www.xiaoyu163.com
IC600, 700, 800 μPC2581V-S
BIAS CIRCUIT
PROTECTOR
PRE
REG DRIVE
DRIVE
60 INR3
1 5 6
2 3 4
59 INL3
58 INR4
– DIGITAL AB Board –
57 INL4
IC1008 TC74VHC157FT (EL)
56 INR5
SELECT 11 1 16 V
CC
S
55 INL5 1A 2 1A G 15 STROBE
INPUT
1B 3 1B 4A 14 4A
INPUT
1Y 4 1Y 4B 13 4B
54 INR6 OUTPUT
2A 5 2A 4Y 11 12 4Y OUTPUT
INPUT
3A
53 INL6 2B 6 2B 3A 11
INPUT
10 3B
OUTPUT 2Y 7 2Y 3B
3Y
GND 8 9 3Y OUTPUT
52 INR7
Q Q
3 7 6
51 INL7
50 INR8
49 INL8
48 INR9
IC1017 TC7WH157FK (TE85R)
47 INL9
8
VCC
46 INR10 11 7 ST
11 6 SELECT
EN G
45 INL10
A 1 A Y 5 Y
2
B B Y
44 INR11
Y 3
GND 4
43 INL11
42 INR12
41 INL12
u 1 6 3
.
46 46
2 4
8 9 9
PRE
DRIVE
DRIVE
8 9
7 10 11 12 13 14 15
IC1012 SI-3050KM-TL
IC1013 SI-3033KM-TL
VC 1
VIN 2
GND 3
TSD
–
+
3 1 5 1 5 0 8 9 2
REF
VOUT 4
ADJ 5
IC1301 LC89056W-E
36 35 34 33 32 31
CE 37
CL 38
SAMPLING
XSEL 39
FREQUENCY
MICROCOMPUTER
MODE0 40
INTERFACE
MODE1 41
DGND 42
DVDD 43
DOSEL0 44
DOSEL1 45 DEMODULATOR
CKSEL0 46
m
CKSEL1 47
XMODE 48
c o
1 2 3
2
8 9 9
IC1016 TC74VHC393FT (EL)
14 13 12 11 10 9 8
VCC
Q Q Q Q
A B C D
A
CLEAR
CLEAR
A
Q Q Q Q
A B C D
GND
1 2 3 4 5 6 7
4 9 8 2 9 9
30 29 28 27 26 25
24 AUDIO
C BIT PA/PB
DETECT DETECT
23 EMPHA
22 XIN
LOCK 21 XOUT
X' TAL
DETECT
20 XMCK
19 DVDD
18 DGND
17 XSTATE
16 DATAO
15 LRCK
DATA
14 BCK
TIMING
13 CKOUT
PLL
INPUT
CIRCUIT
4 5 6 7 8 9 10 11 12