Block Diagram - Main Section - Sony STR-K900 - Fm Stereo/fm-am Receiver Service Manual

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