Yamaha DME4io-ES Service Manual page 173

H G
BLOCK DIAGRAM (DME4io-ES/DME8o-ES) 005
DA
+3.3D
6,12,30,36
/RESPWR 17
14
/WRL
/RDL 15
16
/CS-CPLD
DB[3-0] 2-4,48
7-10
AB[4-1]
DME4io-ES:
to DSP-CN510
DME8o-ES:
to DSP-CN500
CPLD
or
IC701
DSP-CN510 (48P)
(LC4032V-75TN48C)
21
MSWCLK
19
MS256
23
SDATA_12
24
SDATA_34
PANEL ID[3-0] 44-47
N.C.
A-MUTE
+18A
DME4io-ES:
–18A
to DC-CN105
+5A
DME8o-ES:
+3.3D
to DC-CN103
+20A
or
DC-CN105
A-GND
D-GND
+18A
REGLATOR +15V
IC801 (3P)
+15A
78M15DL1A
–18A
REGLATOR –15V
IC802 (3P)
–15A
79M15DL1A
28CA1-2001018000-5
F E
/RES_ADDA
38
/DFS_ADDA
39
WCLK_ADDA
26
BCLK_ADDA0
33
BCLK_ADDA1
28
MCLK_ADDA0
34
MCLK_ADDA1
31
SDATA_B12
32
SDATA_B34
27
D C
+5A +3.3D
OP AMP
18 2
BAL-UNBAL LPF OP AMP
IC101 (8P) IC201 (8P)
μPC4570G2 μPC4570G2
+15A +15A
22 2
8 8
1 1
LPF
3
23 3 4 4
–15A –15A
DAC
IC501
OP AMP
(28P)
UNBAL-BAL BUFFER
BAL-UNBAL LPF OP AMP
(AK4393VF)
IC101 (8P) IC201 (8P)
μPC4570G2 μPC4570G2
+15A +15A
20 6
4 8
8
7 LPF 7
9 5
4 4
21 5
–15A –15A
6
8
7
5
3
17
+15A
IC502 (8P)
78L05UA
REGULATOR +5V
+5A +3.3D
OP AMP
18 2
BAL-UNBAL LPF
OP AMP UNBAL-BAL BUFFER
IC301 (8P) IC401 (8P)
μPC4570G2 μPC4570G2
+15A +15A
22 2
8 8
1 1
LPF
3
23 3 4 4
–15A –15A
DAC
IC601
OP AMP
(28P)
BAL-UNBAL LPF UNBAL-BAL BUFFER
OP AMP
(AK4393VF)
IC301 (8P) IC401 (8P)
μPC4570G2
μPC4570G2
+15A +15A
20 6
4 8 8
7 7
LPF
5
9
21 4 4
5
–15A –15A
6
8
7
5
3
17
+15A
IC602 (8P)
78L05UA
REGULATOR +5V
+20A +3.3D –15A
DAC-MUTE
TR801-803
MUTE-DRIVER
BLOCK DIAGRAM (DME4io-ES/DME8o-ES) 005
B A
DME4io-ES/DME8i-ES/DME8o-ES
OP AMP
UNBAL-BAL BUFFER
IC102 (8P)
NJM4556AL
+15A
8 1
3
TR101
EURO-BLOCK
MUTE
OUTPUT CH1 (CH5)
MUTE
TR102
7
5
4
–15A
IC102 (8P)
NJM4556AL
IC202 (8P)
NJM4556AL
+15A
8
1
3
TR201
MUTE
OUTPUT CH2 (CH6)
MUTE
TR202
EURO-BLOCK
7
5
4
–15A
IC202 (8P)
NJM4556AL
OP AMP
OP AMP
IC302 (8P)
NJM4556AL
+15A
8
1
3 TR301
EURO-BLOCK
MUTE
OUTPUT CH3 (CH7)
MUTE
TR302
7
5
4
–15A
IC302 (8P)
NJM4556AL
IC402 (8P)
NJM4556AL
+15A
8
1
3
TR401
MUTE
OUTPUT CH4 (CH8)
MUTE
EURO-BLOCK
TR402
7
5
4
–15A
IC402 (8P)
NJM4556AL
OP AMP
A-MUTE
1
2
3
4
5
7
6