Block Diagram Main Section - Sony STR-K402 Service Manual
Fm stereo fm-am receiver
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Also See for STR-K402:
- Service manual (36 pages) ,
- Operating instructions manual (52 pages) ,
- Limited warranty (1 page)
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3-2. BLOCK DIAGRAM – MAIN SECTION –
— TUNER UNIT —
L OUT
FM
FM
R OUT
R-CH
ANTENNA
AM
AM
PLL DATA
DATA OUT
S DATA
S DATA
S CLK
S CLK
• R-CH is omitted due to same as L-CH.
S LAT
S LAT
• Signal Path
STEREO
STEREO
: FM
AUTO STOP
TUNED
T MUTING
T MUTING
: CD
IC1014
-5V
-5V
3
2
-12V
REG
67
66
65
VIDEO SELECT
J1004
IC1015
MONITOR
10
MOUT
VIDEO OUT
VIDEO
12
V1
S1
2
75
S1
VIDEO IN
S2
13
76
S2
J1006
M2
4
VIDEO
5
OUT
VIDEO OUT
M1
11
74
VIDEO MUTING
DVD/LD
3
V2
VIDEO IN
TV/SAT
1
V3
VIDEO IN
J401
CD IN
MD/TAPE OUT
J402
MD/TAPE IN
TV/SAT
AUDIO IN
J403
DVD/LD
AUDIO IN
VIDEO
AUDIO OUT
VIDEO
AUDIO IN
J501
IC401(1/2)
3
1
SUB WOOFER
FRONT
MULTI CH IN
SURROUND
CENTER
J1001
IC1003
IC1003
DIGITAL
3
5
6
2
DVD/LD IN
IC1002
DIGITAL
IR LINK
TV/SAT IN
DET
DIR DO
DIR DI
DIR CLK
DIR CE
DIR ERROR
DIR XSTATE
DIR MODE
3
IC1005
IC1005
1
7
X1101
12.288MHz
62 60 61 59
89
90 92 91 95 96 93
IC1201
6
DIGITAL AUDIO
I/F RECEIVER
IC1004
3
DIN0
MCLK
13
BCK
14
LRCK
15
4
DIN1
AUDIO DSP
IC1006
35
DO
36
DI
85
SDIA1
SBOB0
47
38
CLK
83
SDBCK0
SBOB1
46
37
CE
82
SDWCK0
SBOB2
45
34
ERROR
DATAO
84
16
SDIA0
17
XSTATE
48
XMODE
5
IC1007
22
12.288M
IC1005
6
2
8
XI
SRAM
DSP SO
67
SO
DSP SI
68
SI
DSP CLK
69
SCK
DSP CS
66
CS
DSP CSB
65
CSB
DSP IC
62
IC
94
24 22 21 25 99 100
SYSTEM CONTROL
IC102(1/2)
9
9
ANALOG SOUND
PROC.
IC201
63
IN G2
70
IN B2
61
REC OUT 2A
69
IN C2
68
IN D2
67
IN E2
62
REC OUT 2B
66
IN F2
27
SW CH N IN
50
L CH N IN
44
SL CH N IN
38
C CH N IN
60
SEL OUT2
AUDIO CODEC
IC1008
59
DOUT2
IC402
7
5
7
29
LIN-
L OUT1
27
58
TIN2
IC1201
SW CH OUT
2
1
IC403
30
LIN+
3
1
L OUT2
3
45
SL CH D IN
39
MCLK
IC404
3
1
4
BCK
L OUT3
23
39
C CH D IN
5
LRCK
IC404
5
7
9
26
SDTO
R OUT3
24
SW CH D IN
DATA
6
SDTI1
32
DATA
CLOCK
7
SDTI2
31
CLOCK
S CE
8
SDTI3
33
LATCH
CODEC CDT1
43
CDT1
CODEC CLK
42
CCLK
CODEC CS
41
DIF0/CSN
CODEC DFS
11
DFS
CODEC PD
17
PDN
CODEC MUTING
3
SMUTE
Q103,104
MUTING
MUTING
CONT
SWITCH
69 68 73 70 71 72
78
79 80
98
88
STR-K40
L OUT
49
L
MUTING
Q361
SL
SL
SL OUT
43
MUTING
Q362
A
C
C OUT
37
MUTING
Q363
28
SW
MUTING
Q364
IC1009
+5V
+5V
3
1
+9.2V
REG
IC1011
+5V
+5V
3
1
REG
IC1013
+5V
+5V
3
1
REG
Q379
IC1010
+3.3V
+3.3V
3
1
REG
+5.6V
CNS105
MD0
MD0
49
VDD
MD1
50
MD2
MD2
51
FOR FRAS
FLASH 1
PROGRAMM
FLASH 1
19
FLASH 2
FLASH 2
20
RESET
B
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