Block Diagram - Main Section - Sony STR-K680 Service Manual

Multi channel av receiver
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STR-K680/K780
Ver. 1.1
3-1. BLOCK DIAGRAM – MAIN SECTION –
TN1
TUNER PACK
FM
75 Ω
COAXIAL
FM
AM
AM
L CH
ANTENNA
R CH
R-CH
10V
TUNER +10V
ST-DO
ST-DI
CLK
CE
STEREO
TUNED
MUTING
FM SIG OUT
RDS_INT
RDS_DATA
AEP,UK,RU
• R-CH is omitted due to same as L-CH.
• Signal Path
: FM
: ANALOG
: DIGITAL
: VIDEO
K780
VIDEO 2
IN
COMPONENT
VIDEO
DVD
IN
STR-K680/K780
IC1101(1/3)
SYSTEM CONTROLLER
73
DO
17
TUNER-DATA
16
T.SERIAL CLK
74
SLATCH
J402
76
STEREO
75
TUNED
VIDEO 1
AUDIO IN
78
MUTE
43
RDS_SIG
52
RDS_CLK
J400
53
RDS_DATA
VIDEO 2
AUDIO IN
DVD
AUDIO IN
SA-CD/CD
AUDIO IN
J1301
DVD
COAXIAL
IN
K780
IC1352
DIGITAL
VIDEO 1
OPTICAL
OPTICAL
IN
IN
IC1353
VIDEO 2
OPTICAL
OPTICAL
IN
IN
IC2000(1/2)
IC2000(2/2)
J2000
5
7
3
1
AUTO CAL MIC
J251
2
4
(1/2)
3
CH1 IN2
Y
9
CH2 IN2
P
C
/B-Y
B/
B
CH1 OUT 22
14
CH3 IN2
P
R/
C
R
/R-Y
IC251
CH2 OUT 20
VIDEO AMP
5
CH1 IN3
Y
CH3 OUT 18
11
CH2 IN3
P
B/
C
B
/B-Y
P
C
/R-Y
12
CH3 IN3
R/
R
IC1301
DIGITAL AUDIO
IC1303(2/2)
I/F RECEIVER
IC1303(1/2)
3
5
6
2
5
DIN2
XMCK
20
3
DIN0
CK OUT
13
22
BCK
14
29
LRCK
28
15
17
4
DIN1
15
DATAO
16
30
IC1503
D1301
SELECTOR
6
S
B
2
19
A
Y
35
DO
1
5
36
DI
AUDIO
24
69
38
CLK
68
37
CE
35
34
ERROR
33
17
XSTATE
34
48
XMODE
36
47
CKSEL1
32
113
XIN
XOUT
22
21
56
59
X1301
12.288MHz
37
45
98 97 95 96 99 100
93
94
1 92
2 18 19
20 4
5
7
3
6
8
J201
(1/2)
VIDEO 1
VIDEO IN
J251
(2/2)
J203
Y
DVD
VIDEO IN
P
C
MONITOR
CONPONENT
B/
B
/B-Y
OUT
VIDEO
P
C
VIDEO 2
VIDEO IN
R/
R
/R-Y
14
14
IC1401
AD CONVERTER
LIN
1
16
SYSCLK
13
LRCK
RST
6
14
BCK
IC1452
AUDIO CODEC
15
DOUT
VOUT5
10
IC1501
AUDIO DSP
VOUT1
14
KFSI0
SCK OUT
14
38
SCK1
BCKI2
BCKO
20
40
BCK
VOUT3
12
LRCKO
19
41
LRCKI2
LRCK
VOUT4
11
BCKII
SDI1
18
LRCKII
SDI2
SDO1
23
47
DATA3
SDO2
24
45
DATA1
SDO3
25
46
DATA2
LRCK0
D1113
D1112
D1114
37
RST
GP8
IC1502
36
ML
GP9
35
MC
HD OUT
SRAM
34
MDI
HD IN
33
MDO
HCLK
HCS
HACN
PM
BST
MCLK1
9
X1502
2
XRST
13.9MHz
MCLK2
12
EXLOCK
GP12
10
12 13 14 15
9
22
21
57
IC1101(2/3)
SYSTEM CONTROLLER
86
87
88
4
13
2
11
J201(2/2)
MON
10
VIDEO OUT
IC203
12 V3
VIDEO AMP
IC807
8
+ V
+5V
+5V REG
1
V1
IC804
-5V
14
- V
-5V REG
3
V2
IC400
ANALOG SOUND
PROCESSOR
10
INL1
Q471
DVDD
+7V
26
+3.3V REG
2
INL5
LOUT
49
L
4
INL4
SLOUT
40
SL
SL
6
INL3
DISPLAY/
A
POWER
SECTION
8
INL2
(Page 15)
COUT
33
C
IC502
WOOFER AMP
13
ADIFL
SWOUT
32
3
7
SBL
K680
16
LIN
SW
19
SLIN
20
CIN
21
SWIN
24
DATA
25
CLK
IC1131
EEPROM
SDA
SCL
5
6
29
30
MONITOR

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