Read Sony HT-DDW790 / HT-DDW795 / STR-K790 Service Manual online
14
14
STR-K790
STR-K790
4-1. 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
PROCESSOR
INL3
6
49
LOUT
INL4
4
INL5
2
40
SLOUT
33
COUT
DATA
24
CLOCK
25
59
VOL IC_CL
SDA
SCL
60
VO ICL_DA
SYSTEM CONTROL
IC1101(1/2)
VIDEO 2/
BD IN
DVD
IN
J1301
3
5
6
2
IC1303
DIGITAL AUDIO
I/F RECEIVER
IC1301
L
DISPLAY
/POWER
SECTION
/POWER
SECTION
DIN2
5
DOUT
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
X1301
12.288MHz
AUDIO DSP
IC1905
KFSI0
SYSCLK
LRCK
BCK
DOUT
22
15
10
11
12
SDI2
30
HCLK
34
HCS
36
HACN
32
PM
113
XRST
2
23
SDO1
24
SDO2
25
SDO3
BCKI2
29
LRCKI2
28
LRCKI1
15
BCKI1
17
IC1502
SRAM
AUDIO CODEC
IC1452
AD CONVERTER
IC1401
SCKI
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
27
AVCC
26
DVDD
SL
ADIFL
13
LIN
16
19
20
21
SL
C
32
SWOUT
SW
SLIN
CIN
SWIN
A
98 97 95 96 99 100
94
1
DO
DI
CLK
CE
ERROR
XSTATE
CKSEL1
DATA0
3
BST
20
HCLK
4
HCS
5
HACN
7
PM
92
BST_SEL
6
XRST
10
PCM1609/1803_RST
12
PCM1609_ML
13
PCM1609_MC
14
PCM1609_MDI
15
PCM1609_MDO
5
6
29
30
J400
INL2
8
SA-CD/CD
SAT
TV
OPTICAL
IN
IC1351
DIN0
3
22
21
XIN
XOUT
12
9
93
XMODE
CKSEL1
47
GP9
68
HDOUT
35
HDIN
33
2
GP9
18
HD OUT
19
HD IN
8
GP12
GP12
37
MCLK1
MCLK2
X1502
13.9MHz
14
SCKOUT
1
LIN
7
PDWN
20
BCKO
19
LRCKO
18 SDI1
24
AUDIO
GP8
69
EXLOCK
59
INL1
10
TUNER PACK
FM
75
Ω
COAXIAL
AM
R-CH
DI
DO/SD/ST
CLK
CE
FM
AM
R CH
L CH
TUNER +10V
10V
DO/SD/ST
73
SLATCH
74
TUNER_DATA
47
TUNER_CLK
46
OPTICAL
DIGITAL
COAXIAL
D1301
IC400
SDA
SCL
EEPROM
IC1131
IC502
WOOFER AMP
3
7
IC1503
SELECTOR
1
6
5
56
2
A
B
BST
S
Y
ANTENNA
(Page 15)
B
DISPLAY
/POWER
SECTION
(Page 15)
57
ADCC_INT
D1501-1503
+3.3V
REG
+7V
Q471
VIDEO 1 IN/
PORTABLE AUDIO IN/
AUTO CAL MIC
J2000
R-CH
AUTO CAL MIC
86
HDMI_S1
87
HDMI_OED
CN5001
CN5002
CN5003
DVD IN
HDMI
HDMI
VIDEO 2 / BD IN
OUT
OEB
42
2,3,5,
6,8,9,
6,8,9,
11,12,
14,15,
14,15,
80
62-64,
67,68,
70,71,
73,74,
67,68,
70,71,
73,74,
76,77
25,26,
28,29,
31,32,
34,35,
28,29,
31,32,
34,35,
38-40
S1
21
IC5004
INPUT
DET
1
5
7
3
IC5005
INPUT
SELECT
88
HDMI_PRE
3
1
4
6
IC5002
+5V REG
IC5001
HDMI
SELECT
4
5
HDMI
+5.8V
+5.8V
1
AEP,UK
AEP,UK
RDS DATA
RDS INT
SD
RDS DATA
RDS CLK
53
52
TUNER SD
43
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