Yamaha DRX-1 Service Manual page 167

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A
B
1
SCHEMATIC DIAGRAM
ANALOG: SOUND PROCESSING
1
2
Sound Processing
2
A
8SW
5SW
3601
SCL1
100R
3603
SDA1
100R
B
3
2607
56p
I620
2609
C
SIF1
56p
4
1960
2624
F6001
1
DVAR
F6002
2u2
2
GND
D
3
GND
2625
F6004
4
DVAL
2u2
EH-B
5
2614
I616
I617
3604
ARCRI
1K
2u2
E
2615
I615
3605
ARCLI
1K
2u2
6
F
7
1
2
C
D
A, B, G model
3
4
GNDD
C670
GNDA
GNDD
18 10
I624
12
I2C_CL
I623
13
I2C_DA
QFP44
14
I2S_CL
15
I2S_WS
16 I2S_DA_OUT
17
I2S_DA_IN1
21 I2S_DA_IN2
FM1
I622
3
ANA_IN-
FM2
NICAM A
DEMODULATOR
I619
2
ANA_IN+
NICAM B
43 MONO_IN
IDENT
IDENT
A/D
SCART-L
3606
41
SC1_IN_R
SCART-R
A/D
1K
3607
40
SC1_IN_L
1K
38 SC2_IN_R
I614
37
SC2_IN_L
25
29
35
39
44
GNDA
GNDD
3
4
E
F
5
6
GNDA
8SW
GNDD
I602
I601
I603
8
9
4
42
33
34
STBYQ
7600
DVSUP
MSP3415G
RESETQ
I2SL/R
S1...4
I2SL/R
DACM_R
D/A
LOUDSPEAKER R
LOUDSPEAKER
DACM_L
LOUDSPEAKER L
D/A
DFP
AGNDC
HEADPHONE R
HEADPHONE L
SC1_OUT_R
SCART-R
D/A
SC1_OUT_L
SCART-L
D/A
SCART
Switching Facilities
NC
20
23 24 28 32
1
7
5
1600
5SW
HC-49/U
18M432
I613
I612
5601
5602
100u
10u
GNDA
GNDA
GNDD
5
6
G
H
7
8
9
5SW
I604
3600
10K
GNDA
GNDD
11
I605
19
GNDD
I606
22
26
27
GNDD
2610
10n
2612
I607
36
4u7
GNDA
30
AFER
31
AFEL
GNDA
GNDA
6
I609
GNDD
7
8
9
I
J
DRX-1
1600 F7
1960 D1
2600 A6
2601 A6
AP
2602 A7
2603 A7
2604 A9
2605 B8
2606 B8
2607 C2
2608 C9
A
2609 C2
2610 C8
2612 D8
2614 E1
2615 E1
2616 E8
2617 E8
2620 F7
2621 F7
2622 F5
2623 F6
2624 D2
2625 D2
B
3600 A8
3601 B1
3602 B9
3603 B2
3604 E2
3605 E2
3606 D2
3607 D2
4601 A5
5600 A8
5601 F5
5602 F6
6600 B9
7600 B6
C
C670 A3
F6001 D1
F6002 D1
F6004 D1
I600 A4
I601 A6
I602 A7
I603 A7
I604 A8
I605 B7
I606 B7
I607 D8
I609 F7
D
I611 F7
I612 F6
I613 F5
I614 E2
I615 E2
I616 E2
I617 E2
I619 C2
I620 C1
I622 C2
I623 B2
I624 B2
E
F
167

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