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14
14
STR-K680/K780
STR-K680/K780
3-1. BLOCK DIAGRAM – MAIN SECTION –
• Signal Path
: FM
: ANALOG
: DIGITAL
: VIDEO
• R-CH is omitted due to same as L-CH.
AUDIO IN
AUDIO IN
AUDIO IN
AUDIO IN
PROCESSOR
49
LOUT
40
SLOUT
33
COUT
DATA
24
CLK
25
21
VOL_CLK
VOL_DATA_LATCH
SDA
SCL
22
IC1101(2/3)
DVD
IN
VIDEO 2
IN
J1301
3
5
6
2
IC1303(1/2)
DIGITAL AUDIO
I/F RECEIVER
IC1301
L
+7V
DISPLAY/
POWER
SECTION
(Page 15)
POWER
SECTION
(Page 15)
DIN2
5
DO
35
DI
36
CLK
38
CE
37
ERROR
34
XSTATE
17
XMODE
48
13
CK OUT
20
XMCK
14
BCK
15
LRCK
16
DATAO
IC1303(2/2)
5
7
3
1
IC2000(1/2)
IC2000(2/2)
X1301
12.288MHz
AUDIO DSP
IC1503
SELECTOR
IC1501
KFSI0
SYSCLK
LRCK
BCK
DOUT
22
16
13
14
15
SDI2
30
LRCK0
19
HCLK
34
HCS
36
HACN
32
PM
113
BST
56
XRST
2
23
SDO1
24
SDO2
25
SDO3
BCKI2
29
LRCKI2
28
BCKII
17
LRCKII
15
IC1502
SRAM
AUDIO CODEC
IC1452
AD CONVERTER
IC1401
SCK1
38
RST
37
ML
36
MC
35
MDI
34
MDO
33
10
VOUT5
BCK
40
LRCK
41
DATA3
47
DATA1
45
DATA2
46
14
VOUT1
12
VOUT3
11
VOUT4
ANALOG SOUND
SL
ADIFL
13
LIN
16
19
20
21
SL
C
32
SWOUT
SBL
SW
SLIN
CIN
SWIN
A
98 97 95 96 99 100
94
1
DO
DI
CLK
CE
ERROR
XSTATE
CKSEL1
DATA0
92
LRCK_SW
20
HCLK
4
HCS
5
HACN
7
PM
3
BST
6
XRST
8
GP12
10
PCM1608_RST
ADCC_DSP_IN
45
ADCC_ANA_OGUE_IN
12
PCM1608_ML
13
PCM1608_MC
14
PCM1608_MDI
15
PCM1608_MDO
5
6
29
30
J402
J2000
J400
VIDEO 1
VIDEO 2
SA-CD/CD
DVD
OPTICAL
IN
IC1353
DIN1
4
22
21
XIN
XOUT
93
XMODE
CKSEL1
47
GP9
68
HD OUT
35
HD IN
33
2
GP9
18
HD OUT
19
HD IN
9
MCLK1
12
MCLK2
X1502
13.9MHz
14
SCK OUT
1
LIN
6
RST
20
BCKO
19
LRCKO
18
SDI1
24
6
1
5
2
AUDIO
GP8
69
EXLOCK
59
GP12
37
INL1
10
TN1
TUNER PACK
FM
75 Ω
COAXIAL
AM
R-CH
ST-DI
ST-DO
CLK
CE
STEREO
TUNED
MUTING
FM
AM
R CH
L CH
TUNER +10V
10V
SYSTEM CONTROLLER
SYSTEM CONTROLLER
IC1101(1/3)
DO
73
SLATCH
74
TUNER-DATA
17
T.SERIAL CLK
16
STEREO
76
TUNED
75
MUTE
78
FM SIG OUT
RDS_SIG
43
RDS_INT
RDS_CLK
52
RDS_DATA
RDS_DATA
53
COAXIAL
OPTICAL
DIGITAL
VIDEO 1
IN
OPTICAL
IN
IC1352
DIN0
3
OPTICAL
ANTENNA
AUTO CAL MIC
D1301
D1113
D1114
D1112
IC400
SDA
SCL
EEPROM
IC1131
IC502
WOOFER AMP
Q471
+3.3V REG
INL4
4
INL5
2
26
DVDD
S
B
A
Y
INL3
6
INL2
8
9
PCM1800_RST
3
7
57
AEP,UK,RU
K780
K780
K680
IC203
VIDEO AMP
IC807
+5V REG
11
12
M
V3
4
S2
2
S2
13
88
87
86
S1
VIDEO IN
J201
(1/2)
(1/2)
J203
VIDEO 1
VIDEO IN
VIDEO 2
VIDEO IN
DVD
1
V1
3
V2
10
MON
MONITOR
+ V
J201(2/2)
VIDEO OUT
8
+5V
IC804
-5V REG
- V
14
-5V
J251
(1/2)
(1/2)
Y
P
R/
C
R
/R-Y
P
B/
C
B
/B-Y
Y
DVD
IN
VIDEO 2
IN
COMPONENT
VIDEO
P
R/
C
R
/R-Y
P
B/
C
B
/B-Y
CH1 IN2
3
CH2 IN2
9
CH3 IN2
14
CH1 IN3
5
CH2 IN3
11
CH3 IN3
12
SW1
2
SW2
4
CH1 OUT 22
CH2 OUT 20
CH3 OUT 18
Y
P
R/
C
R
/R-Y
P
B/
C
B
/B-Y
MONITOR
OUT
CONPONENT
VIDEO
J251
(2/2)
(2/2)
VIDEO AMP
IC251
Ver. 1.1
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