Sony STR-KM2 - Schematic Diagram: Main Board (3;4)

STR-KM2/KM3
STR-KM2/KM3
2828
5-15. SCHEMATIC DIAGRAM – MAIN Board (3/4) –
• See page 45 for IC Block Diagrams.
1
A
B
C
D
E
F
G
H
I
J
K
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
MAIN BOARD (3/4)
35
26 4 2719 2820 29 30
36
37
38
0 0 0 0 0 0 0 0
0
0
0
0
0
0
0
0
0
0
0
7 0
0 0
-7 0 0 0 0 0 0
0 0
-15
-7
15
7
KM3
KM2
EXCEPT MX
TV_R_IN
VIDEO1_L_OUT
VIDEO1_R_OUT
LR_RLY
SW_RLY
TV_L_IN
VIDEO1_L-IN
VIDEO1_R_IN
PORTABLE_L_IN
C_SLR_RLY
CLK
DATA
BRIDGE
TUNER_L
SACD_L_IN
SACD_R_IN
PORTABLE_R_IN
TUNER_R
W301
A_GND
C311
100p
C310
100p
D950
1SR154-400TE-25
C952
0.47
C953
0.47
C326
4.7
50V
C328
4.7
50V
C304 10 50V
C305 10 50V
CL300
CL301
CL302
CL303
CL304
CL305
CL306
CL307
CL308
CL309
CL310
CL312
CL311
CL313
CL314
CL315
CL316
CL317
CL318
CL321
CL322
CL326 CL327
CL329 CL331
CL335 CL333 CL334 CL336
C332
2200p
C333
2200p
CL320
CL319
220
R300
220
R301
C300 10 50V
C306 10 50V
C301 10 50V
C307 10 50V
C302 10 50V
C308 10 50V
1k
R304
1k
R302
1k
R305
1k
R306
1k
R303
1k
R307
C319 3300p
C318 3300p
C317 3300p
C316 3300p
C315 3300p
C314 3300p
GND
HPFN
LPF01 LPF02
LPFN2 LPFN1
SWVOL
VCC
DGND
DATA
CLK
VEE
FROUT
FLOUT
SWOUT
COUT
SROUT
SLOUT
SBROUT
SBLOUT
GND
GND
SUB2L
SUB2R
RECL3
RECR3
RECL2
RECR2
RECL1
RECR1
GND
SBL IN2
SBR IN2
SL IN2
SR IN2
C IN2
SW IN2
FL IN2
FR IN2
GND
INL12 INR12 INL11 INR11 INL10 INR10 INL9 INR9 INL8 INR8 INL7 INR7 INL6 INR6 INL5 INR5 INL4 INR4 INL3 INR3
INL2
INR2
INL1
INR1
GND
SBLIN
SBRIN
SLIN
SRIN
CIN
SWIN
FLIN
FRIN
GND
ADC ROUT
ADC LOUT
GND
SUB1 R
SUB1 L
GND
C334
0.1
CL328
CL330 CL337
CL339
CL323
CL324
CL325
C313 100p
C312 100p
C951
100
16V
C950
100
16V
CN301
14P
TUNER_L
NC
TUNER_R
DAC SBL IN
DAC SBR IN
DAC SL IN
DAC SR IN
DAC C IN
DAC SW IN
DAC FL IN
DAC FR IN
Muting
AGND
AGND
CN300
14P
R_Out
NC
L_Out
+7V
EVol_CLK
EVol_DATA
LIMITER
PROTECTOR
C_SUR_RLY
BRIDGEABLE_RLY
SBL_R_RLY
LR_RLY
SW_RLY
VACS CTRL
C954
100
25V
0R376
0R377
J300
6P
123456 8910
G
7
7654321
CC320 100p CC321 100p CC322 100p CC323 100p CC324 100p CC325 100p CC327 100p CC329 100p CC330 100p CC331 100p
C965 0 C966 0
1k
R320
1k
R321
1k
R310
1k
R311
1k
R312
1k
R313
1kR314 1kR315 1kR316 1kR317
0R318 0R319
CL342 CL341
W004
D951
P6SMBJ33A-5
I
I
O
G
O
COM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
2451 3 6789
10 11 12 13
14 15 16 17 18 19 20
59 57 5660 58 55 54 53 52
51 50 49 48
47 46 45 44 43 42 41
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
L
R
SA-CD/CD
AUDIO IN
VIDEO
AUDIO OUT
L R
TV
AUDIO IN
L
L
R
R
PORTABLE
AUDIO IN
VIDEO
AUDIO IN
L
R
2
MAIN BOARD
(1/4)
(Page 26)
9
MAIN BOARD
(2/4)
(Page 27)
12
MAIN BOARD
(4/4)
(Page 29)
13
MAIN BOARD
(4/4)
(Page 29)
7
MAIN BOARD (1/4)
(Page 26)
10
MAIN BOARD (2/4)
(Page 27)
G
DIGITAL
AUDIO
BOARD
(4/4)
CN2105
(Page 24)
F
DIGITAL
AUDIO
BOARD
(4/4)
CN2104
(Page 24)
BD3470KS2
IC300
DIR FUNCTION SELECT
IC300
IC950
KIA7907F-RTF/P
-7V REG
IC950
IC951
KIA7807API-U/PF
+7V REG
IC951
IC B/D
0R375
J302
4P
21