Block Diagram - Main Section - Sony STR-K785 Service Manual

STR-K785
Ver. 1.1
Q Q
4-1. BLOCK DIAGRAM – MAIN SECTION –
3 7 6 3 1 5 1 5 0
TN1
TUNER PACK
FM
75 Ω
COAXIAL
FM
AM
AM
L CH
ANTENNA
R CH R-CH
10V TUNER +10V
ST-DO
ST-DI
CLK
CE
STEREO
TUNED
MUTING
FM SIG OUT
RDS INT
RDS DATA
AEP
T E
L 1 3 9 4 2 2 9 6 5 1 3
• R-CH is omitted due to same as L-CH.
• Signal Path
: FM
: ANALOG
: DIGITAL
: VIDEO
VIDEO 2
w w w
IN
COMPONENT
VIDEO
DVD
IN
STR-K785
IC1101(1/3)
SYSTEM CONTROLLER
73 DO
17 TUNER-DATA
16 T.SERIAL CLK
74 SLATCH J402
76 STEREO
75 TUNED
VIDEO 1 AUDIO IN
78 MUTE
43 RDS SIG
52 RDS CLK
53 RDS DATA
J400
VIDEO 2 AUDIO IN
DVD AUDIO IN
SA-CD/CD
AUDIO IN
J1301
DVD
COAXIAL
IN
IC1352
DIGITAL
VIDEO 1 OPTICAL
OPTICAL
IN
IN
IC1353
VIDEO 2 OPTICAL
OPTICAL
IN IN
IC2000(1/2) IC2000(2/2)
J2000
5 7 3 1
AUTO CAL MIC
J251
2 4
(1/2)
3 CH1 IN2
Y
9 CH2 IN2
P C
B/ B
CH1 OUT 22
14
P C CH3 IN2 IC251
R/ R
CH2 OUT 20
VIDEO AMP
5 CH1 IN3
x a o
Y
CH3 OUT 18
11 CH2 IN3
P B/ C B
P C . 12 CH3 IN3 i
R/ R
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IC1301
DIGITAL AUDIO
I/F RECEIVER
IC1303(1/2) IC1303(2/2)
3 5 6 2
5 DIN2
XMCK 20
3 DIN0
CK OUT 13 22
29
BCK 14
LRCK 15 28
17
4 DIN1
15
30
Q DATAO Q 16
IC1503
3 7 6
D1301
SELECTOR
6 S B 2 19
A Y
35 DO
1 5
36 DI
AUDIO 24 69
38 CLK
68
37 CE
35
34 ERROR
33
17 XSTATE
34
48 XMODE
36
47
CKSEL1
32
XIN XOUT 113
22 21 56
59
X1301
12.288MHz 37
45 98 97 95 96 99 100 93 94 1 92 2 18 19 20 4 5 7 3 6 8
J201
(1/2)
VIDEO 1 VIDEO IN
J251
(2/2)
J203
Y
DVD VIDEO IN
MONITOR
P C CONPONENT
B/ B
OUT VIDEO
u 1 6 3
P C VIDEO 2 VIDEO IN
y R/ R
14 14
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2 4
8 9 9
IC1401
AD CONVERTER
LIN
1
16 SYSCLK
13
LRCK RST 6
14
BCK IC1452
AUDIO CODEC
15 DOUT
VOUT5 10
IC1501
AUDIO DSP
VOUT1 14
KFSI0 SCK OUT 14 38 SCK1
BCKO 20 40
BCKI2 BCK VOUT3 12
LRCKI2 LRCKO 19 41 LRCK
VOUT4 11
BCKII
SDI1 18
LRCKII
SDO1 23 47 DATA3
SDI2
3 SDO2 24 1 5 1 5 45 DATA1 0 8 9
SDO3 25 46 DATA2
LRCK0
D1113
D1112 D1114
37 RST
IC1502
GP8
36 ML
GP9
35 MC
HD OUT
SRAM 34 MDI
HD IN
33 MDO
HCLK
HCS
HACN
PM
BST MCLK1 9
X1502
2 XRST
13.9MHz
MCLK2
EXLOCK 12
GP12
57 10 12 13 14 15 9 22 21
IC1101(2/3)
SYSTEM CONTROLLER
86 87 88
4 13 2 11
J201(2/2)
MON 10 VIDEO OUT
IC203
12 V3
VIDEO AMP
IC807 m
+5V 8 + V
+5V REG
1
V1
IC804
14 - V
c o -5V
-5V REG
3 V2
.
2
8 9 9
IC400
ANALOG SOUND
PROCESSOR
10 INL1
Q471
DVDD 26 +7V
+3.3V REG
2 INL5
LOUT 49 L
4 INL4
SLOUT 40 SL SL
6 INL3
DISPLAY/
A
POWER
SECTION
8 (Page 15)
INL2
COUT 33 C
13 ADIFL
SWOUT 32 SW
16 LIN
19 SLIN
20
CIN
21
SWIN
2 4 9 8 2 9 9
24 DATA
25 CLK
IC1131
EEPROM
SDA SCL
5 6
29 30
MONITOR