Yamaha DRX-1 Service Manual page 175

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A
B
1
SCHEMATIC DIAGRAM
DVIO: FIFO & CONTROL
1
2
3
uP- Part
3V3_uP
3V3_uP
2
A
F827
5802
2813
3838
7805
RESETn
10u
BC847BW
1K
100n
B
GND
GND
RESET_FM
VPP
7810
BC857BW
6803
F837
F832
3
BAS316
3814
C
F833
4K7
GND
GND
GND
GND
D
4
GND
F839
3835
7811
BC847BW
1K
3836
E
4K7
GND
3V3_uP
F
5
not used
3804
10K
3805
not used
3806
10K
10K
3807
10K
G
3V3_uP
3V3_uP
2816
7807
100n
74LVC1G32
5
1
3825
4
2
RXD
100R
3
6
H
GND
+5V
3V3_uP
2818
7808
BSH111
3826
100n
3827
TXD
100R
10K
I
GND
not used
7
1
2
5
3
C
D
4
5
6
3V3_uP
3V3_uP
3V3_uP
F829
3818
F836
7803
7804
BC847BW
10K
BC847BW
GND
GND
GND
+12V
7801
LM2931D
2801
F800
2806
1
8
VOUT
VIN
27p
100n
4
5
ADJ
INHIBIT
GND
GND
2802
F801
7
6
3
2
27p
F835
VCTL
GND
7806
INT
PDTC144EU
F808
DV_STATUS
F809
GND
RESTB
3V3_uP
3V3_uP
2820
7809
74LVC1G32
100n
5
RESETn
1
3828
4
2
CTSN
100R
3
3V3_uP
GND
GND
not used
CS
RWZ
IOR
ISPN
3803
F822
10K
F823
F824
F825
F804
F826
{CS,RWZ,IOR,INT}
GND
not used
F816
BUFENn_VID
F815
BUFENn_AUD
GND
F806
3V3_uP
4
6
E
F
7
8
9
10
3V3_uP
F805
7802
VPP
UPD78F0988A
41
1
CPT
XTAL
39
3808
F811
TEST
40
2
P6<4:7>
34
AVREF
53
AD(7)
RD
36
54
AD(8)
RESET
WR
AD(9)
55
F819
WAIT
56
AD(10)
P0<0:3>
ASTB
TOFF7
43
0
P3<0:7>
44
45
1
0
A_MUTE
37
INTP
46
F810
2
1
38
47
AD(1)
3
2
AD(2)
48
ADTRG
3
RTP
49
AD(3)
4
50
AD(4)
P1<0:7>
5
51
AD(5)
6
33
52
AD(6)
0
7
32
1
31
2
30
3
29
ANI
4
28
5
P5<0:7>
27
1
PD(8)
6
26
2
PD(9)
7
SCK
3
PD(10)
SI
PD(11)
4
P2<0:6>
SO
F803
5
PD(12)
INTP4
17
RXD00
TI000
18
TXD00
TO00
PD(13)
F817
19
6
RXD01
INTP5
F820
20
TXD01
TI010
F818
21
7
PD(14)
TO
INTP6
0
TI
TO001
22
TO
TO01
PD(15)
1
8
TI
INTP7
23
TO
2
TI
P4<0:7>
11
70
PD(0)
57
12
0
71
PD(1)
58
13
1
72
PD(2)
59
TO
14
2
73
PD(3)
ADR
60
15
3
74
PD(4)
61
16
DATA
4
75
PD(5)
62
5
PD(6)
63
6
PD(7)
64
7
GND
7
8
9
10
G
H
11
12
13
14
GND
+5V
only for development
1903
6800
F802
PH-S
3800
F0301
1
To front DV input PCB
330R
7800
TLMH3100
F0302
2
PDTC144EU
GND
GND
AD(1:10)
1904
RF
F0401
F0402
1
2
GND
RESET_FM
F0403
F0404
3
4
3V3_uP
TXD
F0405
F0406
5
6
VPP
RXD
7
8
9
10
not used
3V3
3V3_uP
5801
100MHZ
GND
GND
GND
GND
GND
PD(0:15)
11
12
13
14
I
J
DRX-1
1800 C6
F837 C2
1903 E13
F838 C2
1904 G12
F839 E2
2801 B6
2802 C6
2803 E13
2804 E13
2805 C2
2806 C5
2807 H11
2808 H12
2809 H12
A
2810 H13
2811 C1
2812 H13
2813 A2
2814 A5
2816 G3
2817 H3
2818 H3
2819 I2
2820 D5
2821 E6
2822 B2
3800 E11
B
3801 C1
3802 B5
3803 F4
3804 F2
3805 F2
3806 G2
3807 G2
3808 C7
3809 C5
3810 F2
3811 F3
3812 F3
C
3813 F3
3814 C2
3815 C3
3816 C3
3817 A3
3818 A5
3819 A4
3820 A2
3821 C2
3822 G2
3823 C3
3824 C3
3825 G3
D
3826 I2
3827 I3
3828 D5
3829 H2
3831 D4
3832 E4
3833 I6
3834 I6
3835 E3
3836 E2
3837 I3
3838 A2
3839 D2
E
5800 E12
5801 H12
5802 A1
6800 E12
6801 D3
6802 D3
6803 C1
6804 A6
7800 E11
7801 B4
7802 C8
7803 A4
F
7804 A4
7805 A3
7806 C4
7807 G2
7808 H2
7809 D5
7810 B2
7811 E1
F0301 E13
F0302 E13
F0401 G12
F0402 G13
F0403 G12
G
F0404 G13
F0405 G12
F0406 G13
F800 B7
F801 C7
F802 E11
F803 E10
F804 G4
F805 B8
F806 I4
F808 C7
F809 D7
F810 D7
H
F811 C7
F812 G8
F815 H6
F816 H6
F817 E7
F818 E7
F819 C7
F820 E7
F822 F4
F823 F4
F824 F4
F825 G4
F826 G4
I
F827 A3
F829 A5
F830 A2
F831 D2
F832 C3
F833 C3
F834 D3
F835 C4
F836 A5
175

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