Block Diagram - Main Section - Sony STR-K990 Service Manual

4-1. BLOCK DIAGRAM – MAIN SECTION –
J402(1/2)
VIDEO 1 AUDIO IN
J405 (1/2)
SA-CD/CD/CD-R IN
IN
TV
J403 (1/2)
SAT AUDIO IN
DVD AUDIO IN
J298(1/2)
VIDEO 3 IN/
AUDIO
PORTABLE AV IN
IC3002
L 3
J1311
DMPORT+5V
C LINK_TX
DMPORT
C LINK_RX
DET
J1301
IC1303 IC1303
3 5 6
COAXIAL DVD
IN
IC1351
DIGITAL VIDEO 2/ OPTICAL
BD IN IN
OPTICAL
IC1354
SAT OPTICAL
IN
IN
TN1
TUNER PACK
FM
L CH
75Ω FM
COAXIAL R CH
10V
ANTENNA
DO/SD/ST
AM
AM
DI
CLK
CE
SD
IC5004
1
INPUT
5
DET
CN5001
DVD IN
HDMI
CN5002
VIDEO 2 / BD IN
STR-K990
1
IC1301
DIGITAL AUDIO
I/F RECEIVER
XMCK 20
2
5 DIN2
3 DIN0
4 DIN1
CK OUT 13
BCK 14
LRCK 15
35 DO DATAO 16
36 DI AUDIO 24
38 CLK
R-CH
37 CE
TUNER +10V
34 ERROR
17 XSTATE
48
XMODE
47
CKSEL1
XIN XOUT
22 21
D1301
X1301
12.288MHz
43 74 46 47 73 26 27 28 98 97 95 96 99 100 93 94 1
IC1101(1/2)
SYSTEM CONTROLLER
86 87 88
6
7 IC5005
3
INPUT 4
3
1
SELECT
1
21 42
HDMI IC5002
5
+5.8V +5V REG
62-64,
67,68,
70,71,
73,74, 25,26,
IC5001
76,77
HDMI 28,29,
31,32,
SELECT
34,35,
2,3,5,
38-40
6,8,9,
11,12,
14,15,
80
AD CONVERTER
16 SYSCLK
15 DOUT
14
BCK
13 LRCK
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
69 GP8
IC1502
68
GP9
37 GP12
35 HD OUT
SRAM
D1501-1503
33 HD IN
34 HCLK
36 HCS
IC1503
SELECTOR
32 HACN
113 PM
2 XRST B 2
BST 56 5 Y
59 EXLOCK A 1
MCLK2 MCLK1 S
12 9 6
X1502
13.9MHz
2 8 18 19 20 4 5 7 6 92 3 57
4
CN5003
OUT HDMI
• R-CH is omitted due to same as L-CH.
• Signal Path
: FM
: ANALOG
COMPONENT
: DIGITAL
: VIDEO
15 15
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
IC1401
LIN 1 41 AOUTL OUTSW 81
RST
IC1452
6
AUDIO CODEC
IC1403
3 1
38 SCKI
VOUT5 10 49 INCL
40 BCK
IC1405
5 7
41 LRCK VOUT1 14 52 INCSL
47 DATA3 IC1404
3 1
45 DATA1 VOUT3 12 51 INCC
46 DATA2 IC1404
5 7
37 RST VOUT4 11 56 INCSW
36
ML
35
MC
34 MDI
33 MDO
60 DATA
59 CLK
IC1131
EEPROM
SDA SCL
5 6
10 12 13 14 15 60 59 29 30
91 90 78 24 25 75
J201
14 10 4
(1/2)
VIDEO 1 VIDEO IN 13 V1
J200(1/2)
VIDEO AMP
SAT VIDEO IN 3
SAT
DVD VIDEO IN 5 DVD
J298(2/2)
VIDEO 3 IN/
VIDEO
PORTABLE AV IN 9 V3
J301
2
1 CH1 IN1
Y
VIDEO 1 IN P /C 7 CH2 IN1
B B
P /C 16 CH3 IN1
R R
VIDEO AMP
Y 3 CH1 IN2
DVD IN P /C 9 CH2 IN2
B B
VIDEO
P /C 14 CH3 IN2
R R
Y
5 CH1 IN3
P /C
SAT IN B B 11 CH2 IN3
P /C
R R 12 CH3 IN3
STR-K990
J402
(2/2)
AUDIO OUT VIDEO 1
J405
(2/2)
OUT SA-CD/CD/CD-R
L
SL SL
DISPLAY
A
/POWER
SECTION
(Page 16)
C
SW
76
D204
D203
6 2
J201(2/2)
M.OUT 1 VIDEO OUT MONITOR
IC203
J200(2/2)
V1OUT 15 VIDEO OUT VIDEO 1
4 21
J302
IC304
CH1 OUT 22 Y
MONITOR CONPONENT
CH2 OUT 20 P /C
B B
OUT VIDEO
CH3 OUT 18 P /C
R R