Sony STR-K900 Service Manual - Page 16

Block Diagram - Main - av receiver

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MUTE TUNED STEREO SLATCH T.SERIAL CLK TUNER-DATA DO S1 OEB DO DI CLK CE ERROR XSTATE XMODE CKSEL1 DATA0 GP9 HD OUT HD IN HCLK HCS HACN PM XRST D595_DATA D595_CLK D595_OE D595_LAT BST SEL BST PCM1608/1800_RST PCM1608_ML PCM1608_MC PCM1608_MDI PCM1608_MDO ADCC_DSP_INT VOL DATA LATCH VOL_CLK SDA SCL SW RY STR-K880/K900 3-1. BLOCK DIAGRAM - MAIN SECTION - J402 SA-CD/CD IN VIDEO 1 J404 (1/2) AUDIO IN VIDEO 2 AUDIO IN J403 (1/2) DVD AUDIO IN MD/TAPE IN VIDEO 3 IN/ PORTABLE AV IN J298(1/2) AUDIO J401 CENTER MULTI CH IN SUB WOOFER SURROUND FRONT DVD IN COAXIAL DIGITAL VIDEO 2 IN OPTICAL VIDEO 1 IN J1301 IC1351 OPTICAL IN IC1354 OPTICAL IN ANTENNA FM 75 W COAXIAL AM TN1 TUNER PACK L CH FM R CH 10V AM ST-DO ST-DI CLK CE STEREO TUNED MUTING B DISPLAY /POWER SECTION (Page 17) FL_DATA FL_CLK IC1303 IC1303 3 56 2 R-CH TUNER +10V IC1301 DIGITAL AUDIO I/F RECEIVER XMCK 20 5 DIN2 3 DIN0 4 DIN1 CK OUT 13 BCK 14 LRCK 15 35 DO DATAO 16 36 DI AUDIO 24 38 CLK 37 CE 34 ERROR 17 XSTATE 48 XMODE 47 CKSEL1 XIN XOUT 22 21 D1301 X1301 12.288MHz 78 75 76 74 16 17 73 98 97 95 96 99 100 93 94 1 2 18 19 20 4 5 7 6 IC1501 AUDIO DSP 17 BCKI1 SCK OUT 14 15 LRCKI1 BCKO 20 18 SDI1 LRCKO 19 22 KFSI0 SDO1 23 29 BCKI2 SDO2 24 28 LRCKI2 SDO3 25 30 SDI2 SDO4 26 69 GP8 68 GP9 35 HD OUT 33 HD IN 34 HCLK 36 HCS 32 HACN 113 PM 2 XRST 59 EXLOCK BST 56 MCLK2 MCLK1 12 9 X1502 13.9MHz IC1401 AD CONVERTER 16 SYSCLK 15 DOUT LIN 1 14 BCK 13 LRCK RST 6 IC1502 SRAM IC1503 SELECTOR B2 5Y A1 S 6 IC1452 AUDIO CODEC 38 SCKI 40 BCK 41 LRCK 47 DATA3 45 DATA1 46 DATA2 31 DATA4 37 RST 36 ML 35 MC 34 MDI 33 MDO VOUT5 10 VOUT1 14 VOUT3 12 VOUT4 11 VOUT7 16 D1501-1504 92 3 10 12 13 14 15 57 IC1403 31 IC1405 57 IC1404 31 IC1404 57 IC1406 57 60 59 IC1101(1/2) SYSTEM CONTROL 86 87 88 89 CN5001 DVD IN HDMI CN5002 VIDEO 2 IN 62-64, 67,68, 70,71, 73,74, 76,77 2,3,5, 6,8,9, 11,12, 14,15, 80 IC5001 HDMI SELECT 21 42 25,26, 28,29, 31,32, 34,35, 38-40 1 IC5004 7 5 INPUT DET 3 3 IC5005 1 INPUT SELECT 4 6 IC5006 +8V 2 +5.8V REG 4 1 CN5003 MONITOR OUT HDMI IC5002 5 +5V REG 4 1 IC5003 1 +3.3V REG 3 +3.3V IC1601,1602 S/P CONV. IC401 ANALOG SOUND PROCESSOR 34 INGL 24 INBL 26 INCL ROUTAL 44 ROUTBL 46 30 INEL 32 INFL 28 INDL OUT L 88 12 INDL 17 INDL 13 INDL 10 INDL 38 INIL 41 AOUTL OUT SL 85 OUTC 86 OUTSBL 83 49 INCL 52 INCSL 51 INCC 56 INCSW 54 INCSB 60 DATA 59 CLK OUT SW 81 IC1131 EEPROM SDA SCL 5 6 29 30 70 COMPONENT VIDEO J301 (1/2) VIDEO 2 IN Y PB/CB/B-Y PR/CR/R-Y Y DVD IN PB/CB/B-Y PR/CR/R-Y STR-K880/K900 24 3 CH1 IN2 9 CH2 IN2 14 CH3 IN2 5 CH1 IN3 11 CH2 IN3 IC304 VIDEO AMP CH1 OUT 22 CH2 OUT 20 CH3 OUT 18 12 CH3 IN3 SW1 SW2 SW1 SW2 SW3 SW4 J301 (2/2) Y PB/CB /B-Y PR/CR /R-Y MONITOR OUT CONPONENT VIDEO VIDEO 1 VIDEO 2 J201 (1/2) VIDEO IN J200 (1/2) VIDEO IN DVD VIDEO 3 IN/ PORTABLE AV IN VIDEO IN J298 (2/2) VIDEO 16 13 V1 14 10 4 6 M.OUT 1 IC203 VIDEO AMP V.OUT 15 5 V2 3 DVD VCC 16 9 V3 VEE 8 16 IC807 +5V REG IC804 -5V REG J201(2/2) VIDEO OUT MONITOR J200(2/2) VIDEO OUT VIDEO 1 + V - V J404 (2/2) AUDIO OUT VIDEO 1 J402 (2/2) OUT MD/TAPE L • R-CH is omitted due to same as L-CH. • Signal Path : FM : ANALOG : DIGITAL : VIDEO SL DISPLAY A /POWER SECTION (Page 17) C SBL IC402 WOOFER AMP 5 7 J309 AUDIO OUT SUB WOOFER Q560 RELAY DRIVE RY560

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16
16
STR-K880/K900
STR-K880/K900
3-1.
BLOCK DIAGRAM – MAIN SECTION –
AUDIO IN
AUDIO IN
AUDIO IN
PROCESSOR
INCL
26
88
OUT L
INBL
24
INGL
34
85
OUT SL
86
OUTC
81
OUT SW
DATA
60
CLK
59
59
VOL_CLK
SDA
SCL
60
VOL DATA LATCH
SYSTEM CONTROL
IC1101(1/2)
IC203
VIDEO AMP
IC1601,1602
S/P CONV.
IC807
+5V REG
DVD
IN
COAXIAL
VIDEO 2
IN
J1301
3
5
6
2
J298(1/2)
IC1303
DIGITAL AUDIO
I/F RECEIVER
IC1301
L
DISPLAY
/POWER
SECTION
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
X1301
12.288MHz
AUDIO DSP
IC1501
KFSI0
SYSCLK
LRCK
BCK
DOUT
22
16
13
14
15
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
IC1403
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
26
SDO4
DATA4
31
DATA2
46
14
VOUT1
12
VOUT3
11
VOUT4
ANALOG SOUND
44
ROUTAL
SL
AOUTL
41
INCL
49
52
51
56
SL
C
83
OUTSBL
SBL
INCSL
INCC
INCSW
A
98
97
95
96
99
100
94
1
6
13
89
DO
DI
CLK
CE
ERROR
XSTATE
CKSEL1
DATA0
3
BST
SW4
V1
D595_LAT
20
HCLK
4
HCS
5
HACN
7
PM
92
BST SEL
6
XRST
10
PCM1608/1800_RST
12
PCM1608_ML
13
PCM1608_MC
14
PCM1608_MDI
15
PCM1608_MDO
5
6
29
30
RELAY
DRIVE
Q560
J404 (1/2)
VIDEO 1
IN
J402
SA-CD/CD
VIDEO 2
AUDIO
MD/TAPE
DVD
OPTICAL
IN
IC1351
DIN0
3
DIN1
4
VIDEO 1
IN
OPTICAL
IN
IC1354
22
21
XIN
XOUT
12
9
93
XMODE
CKSEL1
47
GP9
68
HD OUT
35
HD IN
33
2
GP9
18
HD OUT
19
HD IN
MCLK1
MCLK2
X1502
13.9MHz
14
SCK OUT
1
LIN
6
RST
20
BCKO
19
LRCKO
18 SDI1
24
AUDIO
GP8
69
EXLOCK
59
INIL
38
TN1
TUNER PACK
FM
75 W
COAXIAL
AM
R-CH
ST-DI
ST-DO
CLK
CE
STEREO
TUNED
MUTING
FM
AM
R CH
L CH
TUNER +10V
10V
DO
73
SLATCH
74
TUNER-DATA
17
T.SERIAL CLK
16
STEREO
76
TUNED
75
MUTE
78
OPTICAL
DIGITAL
D1301
IC401
SDA
SCL
EEPROM
IC1131
IC402
WOOFER AMP
SW RY
70
IN
INFL
32
INDL
28
INEL
30
J403 (1/2)
VIDEO 1
J404
(2/2)
AUDIO OUT
46
ROUTBL
MD/TAPE
J402
(2/2)
OUT
RY560
AUDIO OUT
J309
SUB WOOFER
5
7
14
86
SW1
D595_DATA
88
D595_OE
4
SW3
10
87
SW2
D595_CLK
VIDEO IN
J201
(1/2)
J200
(1/2)
VIDEO 1
VIDEO IN
VIDEO 2
VIDEO IN
DVD
9
V3
VIDEO
J298
(2/2)
VIDEO 3 IN/
PORTABLE AV IN
5
V2
3
DVD
1
M.OUT
MONITOR
+ V
J201(2/2)
VIDEO OUT
15
V.OUT
16
VCC
VIDEO 1
J200(2/2)
VIDEO OUT
IC804
-5V REG
- V
8
VEE
IC1503
SELECTOR
1
6
5
56
2
A
B
BST
S
Y
3
1
IC1405
5
7
IC1404
3
1
IC1404
5
7
16
VOUT7
54
INCSB
IC1406
5
7
J401
SUB WOOFER
CENTER
FRONT
SURROUND
ANTENNA
MULTI CH IN
INDL
12
INDL
17
INDL
13
INDL
10
J301
(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
J301
(2/2)
VIDEO AMP
IC304
(Page 17)
FL_DATA
FL_CLK
B
DISPLAY
/POWER
SECTION
(Page 17)
CN5001
CN5002
CN5003
DVD IN
HDMI
HDMI
VIDEO 2 IN
MONITOR OUT
OEB
42
2,3,5,
6,8,9,
11,12,
14,15,
80
62-64,
67,68,
70,71,
73,74,
76,77
25,26,
28,29,
31,32,
34,35,
38-40
S1
21
IC5004
INPUT
DET
1
5
7
3
IC5005
INPUT
SELECT
3
1
4
6
IC5006
+5.8V REG
IC5003
+3.3V REG
+3.3V
+8V
2
4
1
3
IC5002
+5V REG
IC5001
HDMI
SELECT
5
4
1
1
VIDEO 3 IN/
PORTABLE AV IN
57
ADCC_DSP_INT
D1501-1504
• Signal Path
: FM
: ANALOG
: DIGITAL
: VIDEO
• R-CH is omitted due to same as L-CH.