Yamaha DRX-1 Service Manual page 160

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A
B
DRX-1
1
SCHEMATIC DIAGRAM
ANALOG: All in One 1
1
2
3
All In One 1
12STBY
7800-A
2800
4
F801
I800
3
TL074
ALADC
2819
I802
I803
7800-D
1
12
4
470n
TL074
6802
2
470n
14
A
2
11
13
MCL4148
12STBY
11
7816
BC847BW
5NSTBY
GNDD
GNDD
GNDD
2806
I806
7800-B
F802
5
4
ARADC
TL074
2820
B
I808
I809
470n
7
10
7800-C
4
TL074
470n
6803
6
8
11
9
MCL4148
12STBY
11
7817
BC847BW
3
GNDD
GNDD
GNDD
C
5STBY
5STBY2
I891
3850
BC857BW
I890
7804
4K7
D
KIL
5STBY
BC847BW
GNDD
I894
4
3855
GNDA
5NSTBY
BC857BW
7806
I893
4K7
KIR
E
GNDA
5NSTBY
IPFAIL
3894
FLYB
100K
not used
F
GNDA
GNDA
16_SC2
I899
I896
3862
5
22K
not used
GNDD
4906
G
5SW
I886
3898
10K
5SW
7810
GNDA
BA7046F
7
VCC
1
8
PHASE
H.OSC
6
COMP
H
2
HD
I885
1u
I882
3883
SYNC
6
4
SEPA
330R
V.SEPA
2816
SYNC
3
GND
5
I887
GNDA
GNDA
BC857BW
7812
I
GNDA
GNDA
GNDA
7
1
2
3
160
C
D
A, B, G model
4
5
6
GNDD
7801
BC847BW
I801
GNDD
GNDD
I804
3809
10K
3800
GNDD
10K
2821
4u7
I807
GNDD
GNDD
I981
I810
3831
I980
10K
I979
3824
I978
10K
I977
2822
I972
4u7
I971
3843
I976
10K
3892
I838
I975
3851
5STBY2
3893
10K
I839
10K
7805
10K
3891
not used
I866
3845
I974
100R
I859
4K7
I973
8SW
5SW
3866
47K
I970
5SW
5SW
GNDD
F812
I897
PDTA124EU
5STBY2
7807
7809
BC847BW
GNDD
F804
GNDD
GNDD
GNDD
GNDD
I870
3874
5,1V
12K
8
I871
VDD
1 OSCI
2,5V
I872
OSCILLATOR
DIVIDER
2 OSCO
GNDD
4,8V
F803
7 INT_
0V
CONTROL
3 RESET
I874
LOGIC
RESET
5,1V
3877
I875
6 SCL
SCL
I 2 C-BUS
5,1V
ADDRESS
3878
100R
I876
5 SDA
INTERFACE
REGISTER
SDA
5,1V
100R
5STBY2
I881
I880
3886
VSS
I877
4
47R
5,1V
7813
GNDD
I878
BC847BW
0,1V
GNDD
GNDD
4
5
6
E
F
7
8
9
10
to EPG
5STBY2
GNDD
GNDD
5SW
5SW
6801
3803
F8002
BAS385
I823
6K8
3826
3808
100R
33K
3828
I982
100R
GNDD
GNDD
GNDD
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
9
110
P77|SCK0
P56|TI4|AIN1
I843
109
10
P57|TI0|AIN2
P76|SI0
I844
14
108
P40|AIN3
P75|SO0
I845
3840
15
107
P41|AIN4
P74|SCL0
I846
100R
16
106
P73|SDA0
P42|AIN5
I948
3844
102
17
P43|AIN6
P72|CTS_
1K
I848
18
101
P44|AIN7
P71|RXD
I849
3847
19
100
P45|AIN8
P70|TXD
7803-B
I862
3K3
20
99
P46|AIN9
P67|PWM11
I863
98
21
TMP93C071
P47|AIN10
P66|PWM10
I864
22
97
PC0|AIN11
P65|PWM9
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
30
85
P83|EXT
PA1|HA|TPG05
31
84
P84|DPGIN
PA0|PV|PH
32
42
P85|CFGIN
P97|TPG11
33
41
P86|CSYNCIN
P96|TPG10
34
P87|COMPIN
35
36
37
38
39
40
GNDD
7811
PCF8593T
5STBY2
CLOCK /
CALENDAR
7
8
9
10
G
H
11
12
13
14
F8004
5STBY2
5NSTBY
8SW
5SW
5STBY
12STBY
VGNSTBY
5SW
GNDD
5STBY2
5STBY2
GNDD
5STBY2
5,2V
8
0V
VCC
E0
1
0V
ST24E16
E1
7815
I945
2
3915
0V
SDA
E2
100R
5
3
5,2V
5,2V
SCL
6
0V
WC_
VSS
7
4
0V
3841
100R
F8112
4801
3846
1K
GNDD
GNDD
GNDD
3889
1987
1981
1
1
1K
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
PH-B
F8111
6807
I892
MCL4148
1982
F8201
1
IRESET_DIG
F8202
2
F8203
3
F8204
4
A_RDY
F8205
5
D_RDY
3875
F8206
6
1K
F8207
7
WE
F8208
8
3814
for SAA7118 (VIP) only
F8209
9
100R
F8210
10
GNDD
GNDD
FMN
11
12
13
14
I
J
1802 H4
3916 F11
I887 I1
1980 A10
3917 F11
I888 I1
1981 D13
4801 D13
I890 D1
1982 H14
4906 G2
I891 D2
AIO1
I892 F14
1987 D14
6801 A7
2800 A1
6802 A3
I893 E2
2801 A8
6803 B3
I894 D2
2802 A4
6805 F6
I896 F3
2803 A7
6807 F13
I897 F4
I898 F5
2804 A9
7800-A A2
2805 A9
7800-B B2
I899 F2
2806 B1
7800-C B3
I903 F11
2807 B4
7800-D A3
I945 B13
A
2808 D12
7801 A7
I946 C14
2809 D12
7803-B D8
I948 D10
2810 F3
7804 D1
I970 E7
2811 G6
7805 D3
I971 D6
2812 G1
7806 E2
I972 C6
2813 G6
7807 F5
I973 E6
2814 H4
7809 F4
I974 D6
2815 H5
7810 H1
I975 D3
GNDD
2816 H3
7811 H7
I976 D6
2817 H3
7812 I3
I977 C6
2818 I6
7813 I5
I978 C6
2819 A2
7815 B13
I979 C6
I980 C6
2820 B2
7816 A3
2821 B4
7817 B3
I981 C6
B
2822 C4
F800 C10
I982 A7
2823 D14
F8001 A10
I983 F11
2827 F2
F8002 A10
2831 A3
F8003 A11
2832 A4
F8004 A11
3800 B4
F8005 A11
3801 A7
F8006 A11
3802 A8
F8007 A11
3803 A8
F8008 A11
3804 A9
F801 A1
3805 A9
F802 B1
3807 A2
F803 H5
3808 A7
F804 G5
C
3809 B4
F808 I10
3810 A2
F810 A9
3811 A4
F8101 D13
3812 B6
F8102 E13
3813 A4
F8103 E13
SCL
3814 I13
F8104 E13
3815 A2
F8105 E13
SDA
3816 B8
F8106 E13
3817 B9
F8107 E13
3818 B9
F8108 E13
TEMP_SENSE
3819 B9
F8109 F13
3820 B6
F811 A9
3821 B5
F8110 F13
3822 A1
F8111 F13
D
3823 B10
F8112 D13
3824 C4
F812 F6
3825 C5
F8201 H13
3826 A10
F8202 H13
3828 A10
F8203 H13
3829 B2
F8204 H13
3830 E6
F8205 H13
3831 C4
F8206 H13
3832 C1
F8207 H13
3833 B12
F8208 I13
3834 B12
F8209 I13
3835 B6
F8210 I13
3836 B11
I800 A1
E
3837 B2
I801 A3
3838 B4
I802 A2
3839 C6
I803 A2
3840 C10
I804 B3
3841 C11
I806 B1
3842 B4
I807 C3
3843 D5
I808 B2
3844 D10
I809 B2
3845 D5
I810 C3
3846 D11
I813 I11
3847 D10
I815 A5
3848 D3
I816 A5
3849 D4
I817 A6
F
3850 D2
I818 A6
3851 D4
I819 A6
5M
3852 D1
I820 A5
3853 D1
I821 A5
from PS
3854 C2
I822 I9
IPOR
3855 E3
I823 A7
3856 B7
I829 B8
3857 F4
I830 B8
3858 E1
I831 B9
3859 E2
I832 B9
3860 E6
I833 B9
3861 G5
I835 A6
3862 F3
I836 A5
3863 F10
I837 A5
G
3864 F10
I838 D6
3865 E10
I839 D6
3866 E5
I841 C10
3867 G8
I842 C10
3868 G9
I843 C10
3869 G9
I844 C10
3870 G9
I845 C10
3871 B8
I846 C10
3872 G5
I848 D10
3873 G6
I849 D10
A_DATA
3874 G7
I852 F10
3875 H13
I853 F10
D_DATA
3876 H3
I854 G9
H
3877 H5
I855 G9
3878 I4
I856 G9
3879 F6
I857 G8
3880 H8
I858 G8
3881 I5
I859 D7
ION
3882 I1
I861 G8
3883 H3
I862 D10
3884 G7
I863 D10
3885 G9
I864 D10
BE_FAN
3886 I4
I865 D10
3887 I2
I866 D6
FB
3888 I1
I867 E10
3889 D11
I870 G5
I
3890 G11
I871 H4
3891 D6
I872 H5
3892 D6
I874 H5
3893 D5
I875 H5
3894 E1
I876 H5
3895 F2
I877 I6
3896 F6
I878 I5
3897 G8
I880 I4
3898 G2
I881 I4
3899 D11
I882 H3
3914 C14
I885 H2
3915 C13
I886 G1

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