Yamaha DRX-1 Service Manual page 149

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A
B
1
SCHEMATIC DIAGRAM
ANALOG: All in One 1
1
2
3
All In One 1
12STBY
7800-A
3
4
TL074
2819
I802
I803
7800-D
1
12
4
2
TL074
A
2
470n
2800
11
F801
13
ALADC
12STBY
11
470n
I800
BC847BW
5NSTBY
GNDD
GNDD
GNDD
2806
I806
7800-B
F802
5
4
ARADC
TL074
2820
B
I809
7800-C
470n
I808
10
7
4
TL074
6
470n
11
9
12STBY
11
BC847BW
3
GNDD
GNDD
GNDD
C
5STBY
5STBY2
I891
3850
BC857BW
7804
D
I890
4K7
KIL
5STBY
4
I894
3855
GNDA
BC857BW
5NSTBY
7806
I893
4K7
KIR
E
GNDA
5NSTBY
IPFAIL
3894
PWR
FLYB
100K
F
3862
not used
GNDA
GNDA
5
22K
I899
not used
GNDD
4906
G
5SW
I886
3898
10K
GNDA
7810
BA7046F
7
VCC
1
8
PHASE
H
H.OSC
COMP
6
2 HD
I885
I882
2816
SYNC
6
4
SEPA
V.SEPA
3
1u
SYNC
GND
5
I887
GNDA
GNDA
I
GNDA
GNDA
7
1
2
3
C
D
U model
4
5
6
6802
GNDD
14
MCL4148
7816
I801
GNDD
GNDD
I804
3809
10K
3800
8K2
2821
6803
8
4u7
MCL4148
7817
I807
GNDD
GNDD
I981
I810
3831
I980
10K
3824
I979
8K2
I978
2822
I977
I972
4u7
I971
3843
I976
10K
3892
I838
I975
3851
5STBY2
3893
10K
I839
10K
7805
10K
3891
not used
I866
BC847BW
3845
100K
I974
GNDD
4K7
I859
I973
3860
8SW
6K8
3830
5SW
4K7
5SW
5SW
GNDD
F812
I897
PDTA124EU
7807
I896
5STBY2
7809
BC847BW
3879
10K
GNDD
F804
GNDD
GNDD
GNDD
GNDD
I870
5SW
5,1V
8
I871
VDD
1
OSCI
2,5V
I872
OSCILLATOR
DIVIDER
2
OSCO
GNDD
4,8V
F803
7
INT_
3883
0V
CONTROL
3
RESET
LOGIC
330R
I874
RESET
5,1V
3877
I875
6
SCL
I 2 C-BUS
5,1V
ADDRESS
I876
100R
3878
5
SDA
INTERFACE
REGISTER
5,1V
100R
5STBY2
I881
I880
3886
BC857BW
VSS
7812
4
47R
5,1V
I877
GNDD
7813
I878
BC847BW
0,1V
GNDA
GNDD
GNDD
4
5
6
E
F
7
8
9
10
5SW
5SW
GNDD
F8002
F810
3826
F811
F8004
100R
GNDD
GNDD
3828
GNDD
100R
5STBY2
6
5
4
3
2
1
F800
7
120
F_MODE
P54|INT0
PB3|SCK1
I841
8
119
P55|TI5|AIN0
PB2|SO1|SI1
I842
110
9
P56|TI4|AIN1
P77|SCK0
I843
109
10
P76|SI0
P57|TI0|AIN2
I844
14
108
P75|SO0
P40|AIN3
I845
3840
15
107
P41|AIN4
P74|SCL0
I846
100R
16
106
P42|AIN5
P73|SDA0
I948
3844
17
102
P43|AIN6
P72|CTS_
1K
I848
18
101
P44|AIN7
P71|RXD
3847
100
I849
19
P45|AIN8
P70|TXD
7803-B
I862
3K3
99
20
P46|AIN9
P67|PWM11
I863
21
98
TMP93C071
P47|AIN10
P66|PWM10
I864
22
97
P65|PWM9
PC0|AIN11
I865
23
96
P64|PWM8
PC1|AIN12
I867
3865
24
95
PC2|AIN13
P63|PMW7
100R
25
91
PC3|AIN14
PA5|PWM3|HWR_
26
89
PC4|AIN15
PA3|PWM2
27
88
P80|CTLIN
PWM1
28
87
P81|DFGIN
PWM0
29
86
P82|RMTIN
PA2|CR|TPG00
I970
30
85
P83|EXT
PA1|HA|TPG05
31
84
PA0|PV|PH
P84|DPGIN
I852
32
42
P85|CFGIN
P97|TPG11
I853
33
41
P86|CSYNCIN
P96|TPG10
34
P87|COMPIN
35
36
37
38
39
40
GNDD
3874
12K
7811
PCF8593T
CLOCK /
CALENDAR
5STBY2
7
8
9
10
G
H
11
12
13
14
AIO1
to EPG
5SW
5NSTBY
8SW
5SW
5STBY2
5STBY
12STBY
VGNSTBY
GNDD
GNDD
5STBY2
5STBY2
5STBY2
5,2V
8
0V
VCC
E0
1
0V
ST24E16
E1
7815
3915
2
I945
0V
SDA
E2
3
100R
5
5,2V
5,2V
SCL
6
0V
WC_
VSS
7
4
0V
GNDD
SCL
3841
SDA
100R
F8112
4801
3846
TEMP_SENSE
1K
GNDD
GNDD
3889
1981
GNDD
1987
1
1
1K
TEMP_SENSE
F8101
2
2
12STBY
12STBY
F8102
3
3
VGNSTBY
VGNSTBY
F8103
4
4
GNDD
GNDD
GNDD
GNDD
F8104
5
5
IPOR1
F8105
6
6
SDA
SDA
F8106
7
7
GNDD
GNDD
F8107
8
8
SCL
SCL
F8108
9
9
INT
F8109
10
10
RC
F8110
11
11
5STBY
12
PH-B
5M
not used
PH-B
F8111
5M
from PS
6807
I892
IPOR
MCL4148
1982
F8201
1
IRESET_DIG
F8202
2
A_DATA
F8203
3
D_DATA
F8204
4
A_RDY
F8205
5
D_RDY
3875
F8206
6
ION
1K
F8207
7
WE
F8208
8
BE_FAN
F8209
9
FB
F8210
10
GNDD
GNDD
FMN
11
12
13
14
I
J
DRX-1
1802 H5
7805 D3
I975 D4
1980 A10
7806 E2
I976 D7
1981 D13
7807 F5
I977 C7
1982 H14
7809 F4
I978 C7
1987 D14
7810 H1
I979 C7
2800 A1
7811 H7
I980 C7
2802 A4
7812 I3
I981 C7
2804 A9
7813 I5
I983 F11
2805 A10
7815 C13
2806 B1
7816 A3
2807 B4
7817 B3
A
2808 D12
F800 C10
2809 D13
F8001 A10
2810 F3
F8002 A10
2811 G6
F8003 A11
2812 G1
F8004 A11
2813 G6
F8005 A11
2814 H4
F8006 A11
2815 H5
F8007 A11
2816 H3
F8008 A11
2817 H3
F801 A1
2818 I6
F802 B1
2819 A2
F803 H5
2820 B2
F804 G6
2821 B4
F808 I10
2822 C4
F810 A9
B
2823 D14
F8101 D13
2827 F2
F8102 E13
2831 A3
F8103 E13
2832 A4
F8104 E13
3800 B4
F8105 E13
3802 A8
F8106 E13
3804 A9
F8107 E13
3805 A10
F8108 E13
3807 A2
F8109 F13
3809 B4
F811 A9
3810 A2
F8110 F13
3811 A4
F8111 F13
3813 A4
F8112 D13
3815 A2
F812 F7
C
3816 B8
F8201 H14
3818 B9
F8202 H14
3819 B9
F8203 H14
3820 B6
F8204 H14
3821 B5
F8205 H14
3822 A1
F8206 H14
3823 B10
F8207 H14
3824 C4
F8208 I14
3825 C6
F8209 I14
3826 A10
F8210 I14
3828 B10
I800 A1
3829 B2
I801 A3
3830 E6
I802 A2
D
3831 C4
I803 A2
3832 C1
I804 B3
3833 B12
I806 B1
3834 B13
I807 C3
3835 B6
I808 B2
3836 B11
I809 B2
3837 B2
I810 C3
3838 B4
I813 I11
3839 C6
I815 A5
3840 C10
I816 A5
3841 D11
I817 A6
3842 B4
I818 A6
3843 D6
I819 A6
E
3844 D10
I820 A5
3845 D6
I821 A6
3846 D11
I822 I9
3847 D10
I829 B8
3848 D3
I830 B8
3849 D4
I831 B9
3850 D3
I832 B9
3851 D4
I833 B9
3852 D2
I836 A5
3853 D1
I837 A5
3854 C2
I838 D7
3855 E3
I839 D7
3857 F4
I841 C10
3858 E2
I842 C10
F
3859 E2
I843 C10
3860 E5
I844 C10
3861 F4
I845 C10
3862 F3
I846 D10
3865 E10
I848 D10
3867 G8
I849 D10
3868 G9
I852 F10
3869 G9
I853 F10
3870 G9
I854 G9
3871 B8
I855 G9
3872 G5
I856 G9
3873 G6
I857 G8
3874 G7
I858 G8
G
3875 H12
I859 D7
3876 H3
I861 G8
3877 H5
I862 D10
3878 I5
I863 D10
3879 F6
I864 D10
3880 I9
I865 E10
3881 I5
I866 D7
3882 I1
I867 E10
3883 H3
I870 G5
3884 G7
I871 H5
3885 G10
I872 H5
3886 I4
I874 H5
3887 I3
I875 H5
H
3888 I1
I876 I5
3889 D11
I877 I6
3890 G11
I878 I5
3891 D6
I880 I4
3892 D6
I881 I4
3893 D6
I882 H3
3894 F1
I885 H3
3895 F2
I886 G2
3896 E6
I887 I1
3898 G2
I888 I1
3899 E11
I890 D1
3914 C14
I891 D2
3915 C13
I892 F14
3916 G11
I893 E2
I
3917 G11
I894 E2
3923 G8
I896 F3
4801 D13
I897 F4
4906 G2
I898 F4
6802 A3
I899 G2
WE
6803 B3
I903 F11
to AIO2
6805 F6
I945 C13
6807 F14
I946 C14
7800-A A2
I948 D10
I970 E7
7800-B B2
7800-C B3
I971 D7
7800-D A3
I972 C7
7803-B D8
I973 E7
7804 D2
I974 D7
149

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