Yamaha DRX-1 Service Manual page 176

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A
B
DRX-1
1
SCHEMATIC DIAGRAM
DVIO: DVCODEC
1
2
3
Interface + DAC
+3V3_dly
+3V3_dly
+3V3_dly
2
A
7500-A
7500-B
7500-C
74LVC04A
74LVC04A
74LVC04A
14
14
14
1
2
3
4
5
6
4500
CLK27M_CON
7
7
7
GND
GND
GND
GND
B
not used
4501
3
C
2502
100n
2504
100n
74LVT16244
GND
BUFENn_VID
D
BUFENn_AUD
4
YUV(0)
YUV(1)
YUV(2)
YUV(3)
YUV(4)
YUV(5)
YUV(6)
YUV(7)
E
F527
GND
ABCK
PCM1_NEW
ALRCK_NEW
GND
F
5
G
6
H
YUV(7:0)
{ALRCK,ABCK,PCM1,AEMP1,AMCLKO}
+3V3_dly
I
7500-F
74LVC04A
14
13
12
7
GND
GND
7
1
2
3
176
C
D
4
5
6
+3V3_dly
+3V3_dly
3V3
+3V3_dly
7500-E
7500-D
74LVC04A
74LVC04A
5500
14
14
F501
11
10
9
8
100MHZ
7
7
GND
GND
GND
Clock delay
3502
F509
F510
F507
F508
3503
47R
3V3
2505
47R
3504
F505
F506
3505
47R
F503
100n
F504
47R
2501
100n
2503
not used
100n
GND
GND
GND
GND
7505
7 18
31
42
3506
F511
F519
4
VC
10
3507
47R
F520
15
1
EN1
48
21
F512
EN2
F522
47R
3508
25
28
EN3
34
24
EN4
3509
47R
F524
39
45
47R
F514
GND
47
2
1
1
46
3
F515
44
5
43
6
not used
41
8
1
2
40
9
GND
GND
GND
GND
38
11
37
12
3510
F516
36
13
1
3
35
14
F529
47R
33
16
32
17
F530
30
19
3514
F559
1
4
29
20
27
22
F554
47R
26
23
F555
F558
Buffer
3515
47R
GND
F556
3516
F557
47R
+12V
not used
RESETn
GND
GND
GND
GND
F538
ISPN
TXD
F549
Shielding connection on mounting holes
Hole 3.6 mm
Hole 4.9mm
0003
0004
0005
0006
0007
GND
GND
GND
GND
4
5
6
E
F
7
8
9
10
F567
3V3
F563
F565
PCM1
ABCK
1500
179161
1
2
3
4
F513
5
6
7
8
9
10
11
12
F518
13
14
15
16
F521
17
18
19
20
21
22
3V3
23
24
ABCK
F531
1502
F532
F533
25
26
3V3_LINK
2534
27
28
750mA F
F534
29
30
4502
100n
not used
31
32
GND
7501
74LVC1GU04
5
F535
33
34
ALRCK
2
1
35
36
3
37
38
not used
F523
F528
1503
F537
39
40
GND
+5V
not used
F562
750mA F
41
42
4504
F550
43
44
4503
F560
45
46
AEMP1
F539
47
48
CTSN
F553
49
50
F547
51
52
RXD
53
54
55
56
57
58
GND
59
60
To digital PCB
GND
GND
7
8
9
10
G
H
11
12
13
14
not used
4507
3V3_32KHz
3V3_32KHz
5505
2527
100n
GND
7507-A
7507-B
74LV74
74LV74
14
14
F564
4
5
10
9
PCM1_NEW
F566
3
11
2
12
1
6
13
8
7
7
3V3_32KHz
GND
GND
2528
100n
7508
74LVC1GU04
GND
5
2
1
4
3
GND
3V3
3V3
DAC
2506
2507
47u
47u
2508
2512
100n
100n
GND
GND
7506
UDA1334ATS
13
4
F551
VDDA
VDDD
1
BCK
F552
4
2
WS
DIGITAL
PLL0
10
PLL
INTERFACE
F536
3
DATAI
PCM1_NEW
SFOR0
11
DE-EMPHASIS
SFOR1
7
6
SYSCLK|PLL1
INTERPOLATION
FILTER
GND
F561
8
MUTE
A_MUTE
NOISE SHAPER
9 DEEM|CLKO
2514
2522
3517
F540
F541
3518
F542
14
VOL
VOR
16
100R
100R
F543
47u
F545
F544
47u
VSSA
VSSD
VREF-DAC
15
5
12
F548
GND
GND
GND
GND
GND
GND
GND
11
12
13
14
I
J
0003 I4
F542 G14
0004 I5
F543 G14
0005 I5
F544 G13
0006 I6
F545 G11
0007 I7
F547 G9
1500 C7
F548 G13
1501 H14
F549 H7
1502 E9
F550 G7
1503 F9
F551 F11
1906 I8
F552 F11
1907 I9
F553 G10
1908 I9
F554 E5
1909 I9
F555 F5
A
2500 A6
F556 F5
2501 C3
F557 F6
2502 C3
F558 F6
2503 C3
F559 E6
2504 C3
F560 G10
2505 C3
F561 F11
2506 E12
F562 F7
2507 E12
F563 A10
2508 E12
F564 B12
2509 C5
F565 B10
2510 C6
F566 B12
2511 C6
F567 A10
2512 E12
2513 E7
B
2514 G11
2515 C6
2516 D5
2517 D6
2518 D6
2519 D6
2520 F9
2521 F9
2522 G13
2523 G10
2524 G14
2525 H12
2526 H13
C
2527 A11
2528 C12
2529 F9
2530 F5
2531 F5
2532 F6
2533 F6
2534 E10
3500 B5
3501 B3
3502 B5
3503 B5
3504 C5
3505 C5
D
3506 D5
3507 D5
3508 D5
3509 D5
3510 E5
3511 B3
3512 B2
3514 E5
3515 F5
3516 F5
3517 G10
3518 G13
3519 G11
E
3520 G13
4500 A3
4501 B2
4502 F9
4503 G9
4504 G10
4507 A12
5500 A5
5501 C4
5503 E12
5504 E12
5505 A10
7500-A A1
7500-B A2
F
7500-C A2
7500-D A4
7500-E A3
7500-F I1
7501 F10
7505 D4
7506 E11
7507-A B11
7507-B B13
7508 C11
F501 A5
F502 A3
1
F503 C7
G
F504 C5
2
F505 C7
F506 C5
3
F507 B7
F508 B5
4
F509 B7
F510 B5
F511 D7
PH-S
F512 D7
1501
F513 D7
F514 D7
F515 E7
F516 E6
F517 F10
H
F518 D7
F519 D5
F520 D5
F521 E7
F522 D5
F523 F8
F524 D5
F525 E12
F526 E12
F527 E3
F528 F8
F529 E5
F530 E7
I
F531 E7
F532 E9
F533 E9
F534 F7
F535 F7
F536 F11
F537 F9
F538 G7
F539 G9
F540 G11
F541 G13

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