Yamaha YAS-408, Service Manual

Page: 30 / 44

★
Components having special characteristics are marked ⚠ and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
● ⚠印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、
パーツリストに記載されている部品を使用してください。
● 本回路図は標準回路図です。改良のため予告なく変更することがあります。
Differential impedance=100+/-10ohm
0xC8/ 0xCA
Pin 28
Pin 126
Pin 18
Pin 80,86
RXD
TXD
Pin 40,43,47,50
Pin 31,99
Pin 8,11,16,20
Pin 76
Pin 44
RX
TX
CLOSE TO CONNECTOR
YAS-CU408/YMS-4080/ATS-CU4080 HDMI SECTION
Fsw=1.0MHz
HDM
I F
W
UPG
R
ADE
FROM MAPX
4 3
2
1
1
2
3
4
CN302
4 3
2
1
1
2
3
4
CN303
C3
65
1uF25V
R379 560R1%
R378 10K
FB301
600R
C3
39
220pF
C
363
10uF10V
FB303 600R
C3
58
1uF25V
C321 0.1uF25V
C336 1uF25V
R3
50
499R
1%
R3
68
4.
7K
R3
69
4.
7K
FB302
300R
C3
61
1uF25V
R3
52
499R
1%
R3
48
499R
1%
C322 0.1uF25V
R3
53
499R
1%
C319 0.1uF25V
R344
10K
C3
59
10uF10V
FB306
120R
C
355
1uF25V
R3
67
10K
D303
LBAT54HT1G
R3
74
0R
C343
100uF6.3V
R3
54
499R
1%
R375 2K
88
TX20+
87
TX20-
86
TX_
A
VDD
85
TX10+
84
TX10-
83
AVSSE
82
TX00+
81
TX00-
80
AVDD
79
TXC0+
78
TXC0-
76
TX_
P
VDD
35
GP
IO
2
33
M
CU_
P0
[0
]
34
M
CU_
P0
[1
]
66
GPIO0
54
MCU_P4[0]+P3[0]
31
M
CU_
VDDE
24 MCU_X_OUT
97
EXT_
RSTB
48
RX2
1-
49
RX2
1+
50
RX_
A
VDD
46
RX1
1+
47
RX_
A
VDD
51
EXT_RES
98
X_
IN
96
IN
T
B
99
VDDE
100
A_
M
U
TE
1 SPDIF
2 IIS_SCK
94
M
CU_
SDA
95
M
CU_
SCL
52
MCU_P7[0]
53
MCU_P7[1]
93
H5
V_
1
73
MCU_OP
72
MCU_RSTB
28
VDD
32
NC
30
DDC1
_SCL
45
RX1
1-
44
AVDD3
3
43
RX_
A
VDD
42
R
X
01+
41
RX0
1-
40
RX_
A
VDD
39
RXC1
+
38
RXC1
-
23 MCU_X_IN
29
DDC1
_SDA
89
AVSSE
77
AVSSE
90
CO
M
R
3 IIS_WS
4 IIS_SD0
5 IIS_SD1
6 IIS_SD2
7 IIS_SD3
8 VDD
59
MCU_P3[4]
60
MCU_P3[5]
10 MCLK
11 VDD
61
MCU_P3[6]
62
MCU_P3[7]
63
MCU_P1[0]
64
MCU_P1[1]
13 IIS_SCK_IN
14 IIS_WS_IN
15 IIS_SD_IN
16 VDD
18 VDD_PLL
19 PLL_XFC_A
20 VDD
22 ARC_VDDE
25 ARC+
26
ARC-
27
BG
RES
101
E-
PAD
21 VSS
17 VSS
12 VSS
9 VSS
36
M
CU_
P0
[2
]
37
M
CU_
P0
[3
]
55
MCU_P3[1]
56
NC
57
MCU_P3[2]
58
MCU_P3[3]
65
VSS
67
GPIO1
68
NC
69
NC
70
NC
71
NC
74
VSS
75
MCU_P1[3]
91
VSS
92
M
CU_
P1
[7
]
IC300
EP91A6SX
R345 10K
C320 0.1uF25V
R3
66
10K
C3
07
1u
F2
5V
C3
62
10uF10V
R322
39K1%
R310
27K
R3
49
499R
1%
C317 0.1uF25V
C399A 1uF25V
C318 0.1uF25V
C
341
220pF
FB307
300R
C315 0.1uF25V
R343 22R1%
C316 0.1uF25V
C333 1uF25V
C
396
10uF10V
C
324
100uF6.
3V
R3
16
1M
R323
10K
C
338
1uF25V
C
353
1uF25V
R329 22R1%
FB304 600R
R311 0R
R313 2.7K1%
C314 1uF25V
R320
49.9R1%
C
342
10uF10V
C3
93
1u
F2
5V
R346 1M
C
306
1uF25V
C
390
0.
1uF25V
R328
22R1%
C311
8.2pF
C310
0.1uF25V
FB309
300R
R3
51
499R
1%
R3
65
10K
FB305
600R
FB308
300R
R324 22R1%
C
323
100uF6.
3V
R312 10K
C312 8.2pF
R3
47
499R
1%
C
391
10uF10V
C3
50
1uF25V
C
340
1uF25V
R3
70
NC
C3
97
100uF6.
3V
R319
49.9R1%
R341
22R1%
C
313
10uF10V
1
2
3
4 5
6
7
8
RP300
100R*4
C
305
1uF25V
C
348
10uF10V
C309 4.7uF10V
R376 2K
R325 22R1%
C
395
1uF25V
R372
1K
C3
49
10uF10V
R318
5.1R1%
C3
66
4.
7uF10V
R340 22R1%
C
399
0.
1uF25V
R3
73
0R
C
356
4.
7uF10V
R342
22R1%
C335 1uF25V
R363 NC
R383 1K
R382 0R
R381
0R
R380
100R
R306
1K
C3
01
10pF
R3
02
180K
R304 47K
C
300
10pF
R303
47K
3
RX2-
1
RX2+
2
RX2_SHLD
4
RX1+
6
RX1-
15
SCL
16
SDA
7
RX0+
9
RX0-
5
RX1_SHLD
11
RXC_SHLD
14
UTIL/HEAC+
18
+5V
13
CEC
19
HPD/HEAC-
10
RXC+
12
RXC-
8
RX0_SHLD
17
GND
20
GND
21
GND
22
GND
23
GND
CN300
R305 10K
R301
330K
R3
61
47K
R355
2K
D304
LBAT54HT1G
R356
2K
3 RX2-
1 RX2+
2 RX2_SHLD
4 RX1+
6 RX1-
15 SCL
16 SDA
7 RX0+
9 RX0-
5 RX1_SHLD
11 RXC_SHLD
14 UTIL/HEAC+
18 +5V
13 CEC
19 HPD/HEAC-
10 RXC+
12 RXC-
8 RX0_SHLD
17 GND
20 GND
21 GND
22 GND
23 GND
CN301
C
334
1uF25V
R
384
10K
C3
45
0.
1uF25V
5
IN
3 FLG
2 GND 4
ENB
1 OUT
IC301
DIO7003LBST5
C3
46
10uF10V
R308 0R
R307 0R
C370
10uF10V
1
VIN
2
VSS
3
CE
5
VOUT
4
NC
IC302
LN1152B332MR
R387
100K
C3
67
0.
1uF25V
C3
68
10uF10V
C3
73
0.
1uF25V
C
378
0.
1uF25V
C3
72
47uF6.
3V
R395
150K1%
R390
100K
C
371
0.
1uF25V
C377 47pF
C
375
22uF6.
3V
C3
76
47uF6.
3V
R389
120K1%
C
374
10uF10V
C3
84
22uF6.
3V
C3
85
47uF6.
3V
R391
150K1%
C386
47pF
C
381
47uF6.
3V
C
387
0.
1uF25V
C
382
0.
1uF25V
R393
120K1%
C3
83
10uF10V
C
380
0.
1uF25V
R394
100K
C347
0.1uF25V
1
2
3
4 5
6
7
8
RP301
220R*4
1
EN
2
GN
D
3 LX
5 FB
4
VIN
IC303
DIO6012BCST5
1
EN
2
GN
D
3 LX
5 FB
4
VIN
IC304
DIO6012BCST5
C
379
10uF10V
C
388
10uF10V
C
302
10uF10V C
303
0.
1uF25V
R388
NC
R392
NC
C304A NC
C305A NC
C306A NC
C307A NC
R362
NC
R
300
47K
C332A NC
C331A NC
C330A NC
C329A NC
C308 56pF
R3
15
4.
7K
L300
2.2uH
L301
2.2uH
1
2 3
4
Y300 24M
H
z
Q300
NCE2305
CN304
SHIELDIGN_HDMI
2
I2
3
GND
5
I4
10 O1
4
I3
1
I1
6 O4
7 O3
9 O2
8 GND
D306
PESDR0524P5
2
I2
3
GND
5
I4
10 O1
4
I3
1
I1
6 O4
7 O3
9 O2
8 GND
D305
PESDR0524P5
2 I2
3 GND
5 I4
10
O1
4 I3
1 I1
6
O4
7
O3
9
O2
8
GND
D300
PESDR0524P5
2 I2
3 GND
5 I4
10
O1
4 I3
1 I1
6
O4
7
O3
9
O2
8
GND
D301
PESDR0524P5
2 I2
3 GND
5 I4
10
O1
4 I3
1 I1
6
O4
7
O3
9
O2
8
GND
D302
PESDR0524P5
C
344
10uF10V
FB300
300R
C3
69
10uF10V
R364
1K
OP
TXD
RXD
R377 NC
R321 NC
R371 NC
C323A
NC
C313A NC
R317
200R
C
389A
N
C
C3
94
A
N
C
C
392A
N
C
C3
09
A
NC
C3
08
A
N
C
C3
04
NC
C3
98
A
N
C
C3
51
A
NC
C
360A
NC
C
354A
NC
C3
52
A
NC
C3
57
A
NC
C3
64
A
NC
Q302
NC
R3
59
NC
Q301
NC
R3
58
NC
R360
0R
R357 0R
C
337A
N
C
C3
24
A
NC
C3
25
A
N
C
C3
26
A
N
C
C3
27
A
N
C
C3
28
A
N
C
R309 2.7M
R385
0R
R386 10R
1
2
3
4
CN306
FFC-1MM(NC)
G6
HDMI_RST
ARC-
XIN
RXC1P
RX11P
RX21M
RX11M
RXC1M
RX01M
RX01P
RX21P
RXSCL1
RXSDA1
HDMI_RESET [1/6,2/6]
HDMI_SDA
[1/6,2/6]
HDMI_SCL
[1/6,2/6]
1V32EN
D_1V32
A_1V32
X24M
ARC+
IICA
TX2P
TX2M
TX1P
TX1M
TX0P
TX0M
TXCP
TXCM
3V3
TX_RSEN
MCU_SCL
MCU_SDA
COMR
INTB
TX_HEAC-
RX_VDD12
RX_AVDD33
VDDE
VDDE RSTB
TX_AVDD12
TX_PVDD12
TX_PVDD12
RX_AVDD12
TXA_5V
CEC_IN
RX1_HPD
HDMI_5V
[2/6,6/6]
TX_CEC
3V3
HDMI_SPDIF [2/6]
HMCU_P70
HMCU_P71
HMCU_OP
HDMI_I2S_D4
[2/6]
HDMI_I2S_D3
[2/6]
HDMI_I2S_D2
[2/6]
HDMI_I2S_D1
[2/6]
HDMI_I2S_WS
[2/6]
HDMI_I2S_CL
[2/6]
HDMI_INTB
[1/6,2/6]
IN HDMI
OUT
(ARC) HDMI
A B C D E F G H I J
1
2
3
4
5
6
7
30
YAS-408/YMS-4080/ATS-4080
MAIN 3/6
YAS-CU4080/YMS-4080/ATS-CU4080