Block Diagram - Main Section - Sony STR-K890 Service Manual

STR-K890
Q Q
4-1. BLOCK DIAGRAM – MAIN SECTION –
3 7 6 3 1 5 1 5 0
J402(1/2)
VIDEO 1 AUDIO IN
J405 (1/2)
SA-CD/CD/CD-R IN
TV IN
J403 (1/2)
SAT
AUDIO IN
DVD AUDIO IN
J298(1/2)
VIDEO 3 IN/
AUDIO
PORTABLE AV IN
IC3002
L 3 1
J1311
DMPORT+5V
C LINK_TX
DMPORT
C LINK_RX
DET
J1301
IC1303 IC1303
3 5 6 2
DVD
COAXIAL
IN
IC1351
VIDEO 2/ OPTICAL
DIGITAL
BD IN IN
OPTICAL
IC1354
SAT OPTICAL
IN IN
TN1
TUNER PACK
FM
L CH
75Ω FM
T E
COAXIAL L R CH 1 3 9 4 2 2 9 6 5 1 3 R-CH
ANTENNA 10V TUNER +10V
DO/SD/ST
AM AM
DI
CLK
CE
SD
RDS DATA
RDS INT
52 53 43 74 46
6
1 IC5004 7 3 IC5005
INPUT INPUT
5 3 1
DET SELECT
CN5001
DVD IN
HDMI
CN5002
VIDEO 2 / BD IN
w w w
STR-K890
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
47 73 26 27 28 98 97 95 96 99 100 93 94 1 2 8 18 19 20 4
IC1101(1/2)
SYSTEM CONTROLLER
86 87 88
4
1
21 42
HDMI IC5002
5 4
+5V REG
62-64, +5.8V
67,68,
70,71, CN5003
73,74,
25,26,
IC5001
76,77 28,29,
HDMI
SELECT 31,32, OUT
34,35,
2,3,5,
38-40
6,8,9,
11,12,
14,15,
80
x a o
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IC1401
AD CONVERTER
16
SYSCLK
15 DOUT LIN 1
14 BCK
13 LRCK
RST
IC1501
6
AUDIO DSP
17 BCKI1 SCK OUT 14 38
15 LRCKI1 BCKO 20 40
18 SDI1 LRCKO 19 41
22
KFSI0 SDO1 23 47
29 BCKI2 SDO2 24 45
28 LRCKI2 SDO3 25 46
30 SDI2 SDO4 26
31
69 GP8 37
Q Q
IC1502
68
GP9 36
3 7
37 GP12
35
35 HD OUT 34
SRAM
D1501-1504
33 HD IN 33
34 HCLK
36 HCS
IC1503
SELECTOR
32 HACN
113 PM
2 XRST B 2
BST 56 5 Y
59 EXLOCK A 1
MCLK1
MCLK2 S
12 9 6
X1502
13.9MHz
5 7 6 92 3 57 10 12 13 14 15
J201
(1/2)
VIDEO 1 VIDEO IN
J200(1/2)
SAT VIDEO IN
DVD VIDEO IN
HDMI
J298(2/2)
VIDEO 3 IN/
VIDEO
PORTABLE AV IN
• R-CH is omitted due to same as L-CH.
• Signal Path
VIDEO 1 IN
: FM
u 1 6 3
y
: ANALOG COMPONENT
DVD IN
VIDEO
: DIGITAL
: VIDEO
SAT IN
14 14
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2 4
8 9 9
IC401
ANALOG SOUND
PROCESSOR
28 INDL ROUTAL 44
34 INGL ROUTBL 46
32 INFL
30
INEL OUT L 88
26 INCL
28 INDL
OUT SL 85
36 INHL
OUTC 86
38
INIL
OUTSBL 83
41 AOUTL
IC1452
OUTSW 81
AUDIO CODEC
IC1403
3 1
SCKI
VOUT5 10 49 INCL
BCK
IC1405
5 7
LRCK VOUT1 14 52 INCSL
DATA3 IC1404
3 1
DATA1
VOUT3 12 51 INCC
DATA2
IC1404
5 7
DATA4 VOUT4 11 56 INCSW
RST
IC1406
5 7
ML
6 VOUT7 3 16 1 5 1 54 INCSB 5 0 8 9
MC
MDI 60 DATA
MDO 59 CLK
IC1131
EEPROM
SDA SCL
5 6
60 59 29 30
91 90 78 24 25 75 76
D204
D203
14 10 4 6 2
13 V1 1
M.OUT
IC203
VIDEO AMP
3
SAT
V1OUT 15
5 DVD
9
V3
J301
2 4 21
1 CH1 IN1
Y
m
7 CH2 IN1
P /C
B B
P /C 16 CH3 IN1 IC304
R R
VIDEO AMP
Y c o 3 CH1 IN2 CH1 OUT 22
P /C 9 CH2 IN2 CH2 OUT 20
B B
P /C 14 CH3 IN2 CH3 OUT 18
R R .
Y 5 CH1 IN3
P /C
B B 11 CH2 IN3
P R /C R 12 CH3 IN3
2
8 9 9
J402
(2/2)
AUDIO OUT VIDEO 1
J405
(2/2)
OUT SA-CD/CD/CD-R
L
SL SL
DISPLAY
A
/POWER
SECTION
(Page 15)
C
SBL
SW
2 4 9 8 2 9 9
J201(2/2)
VIDEO OUT MONITOR
J200(2/2)
VIDEO OUT VIDEO 1
J302
Y
MONITOR CONPONENT
P /C
B B
OUT VIDEO
P /C
R R