Yamaha DRX-2 Service Manual page 173

I SCHEMATIC DIAGRAM
DIGITAL (Digital Board Chrysalis 2.1): Prog. scan DAC
1 2 3
A
B
+3V3_DD
+3V3
C I700
5700
7703
ADV7196A
I722
3708
+3V3_DD
VDD VAA
41
D
10K ALSB
27
SCAN/
3727 I723 DV
25 HDTV
PROG_OUT_CLK
CLKIN
29
33R HSYNC ENCODER
SYNC
28
VSYNC
TSYNC
14
0
15
1
16
2
17
3
18
4
19 CR
5
20
6
21
E
7
22
8
23
9
51
0
50
1
49
2
48
3
47
4
46 CB|CR
5
45
6
44
7
43
8
42
9
F
GND AGND
G
H
1 2 3
IC7703 pin 32
IC7703 pin 25
A: DC, 200mV/Div, 5us/Div
A: DC, 2 V/Div, 10ns/Div
4 5 6
+3V3_ANA
+3V3_ANA
I721 2725
37
COMP
100n
34
DACA
36
DACB
32
DACC
40
RESET_PROGSCANn
RESET_
38 3725 2K2 3726 270R
RSET
IIC0
I720
100R
30 3700 SCL0
+3V3_ANA
SCL
+3V3
31 100R SDA0
3701
SDA
I701 5710
I7119 2723
39
VREF
100n
2
0
3
1
4
2
5
3
6
4
Y 7
5
8
6
9
7
10
8
11
9
Prog Scan Only
4 5 6
IC7703 pin 36
IC7703 pin 34
A: DC, 200mV/Div, 5us/Div
A: DC, 200mV/Div, 5us/Div
7 8 9 10
5701 5702 5703 0.6V
I724 I725
3
6u8 10u 2u2
0.6V 4
I726 5704 5705 5706 I727 0.4V
3
6u8 10u 2u2
0.4V
2
5707 5708 5709 0.4V
I728 I729
5
6u8 10u 2u2
0.4V 6
+5V
5711
4u7
-5V
5712
4u7
7 8 9 10
Y 1704-2
PB 1704-4 PR 1704-6
A: DC, 500mV/Div
A: DC, 500mV/Div A: DC, 500mV/Div
10us/Div
10us/Div
11 12 13
not used
4728
+5V_PS
A
5
7701
AD8061ART
3703
1
1.1V
75R
2
-5V_PS
3706
B
1K0
3707
1K0
not used
4729
+5V_PS
8 7702-1
AD8062AR
C
3710
1
0.9V 75R
4
PSCAN
-5V_PS
1704
3714 F1701
F1702 1
1K0
2 Y
F1704 3
3716
4 PB
D
1K0 F1706 5
6 PR
7
FMN-BMT
not used
4730
+5V_PS
7702-2
8
AD8062AR
3718
7
0.9V
75R
4
-5V_PS
3723
1K0
3724
1K0
+5V_PS
G
-5V_PS
H
11 12 13
10us/Div
DRX-2
1704 D13 F1702 D13
2700 C2 F1704 D13
2701 G11 F1706 D13
2703 E6 I700 C2
I701 E5
2704 C2
2705 C2 I703 F5
I704 F5
2706 C4
2707 C4 I705 F5
2708 B8 I706 F5
2709 B8 I707 F5
2710 B9 I708 F5
2711 B12 I709 F4
2712 G11 I710 F4
2714 C8 I711 F1
2715 C8 I7119 E4
I712 F2
2716 C9
2717 C12 I713 F2
I714 F2
2719 E8
2720 E8 I715 F2
2721 E9 I716 F2
2722 E12 I717 F2
2723 E4 I718 F2
2724 E6 I720 E4
2725 D4 I721 D4
2726 G11 I722 D2
2727 G11 I723 D2
2728 G11 I724 A7
2729 G11 I725 A10
I726 C7
3700 E5
3701 E4 I727 C10
3702 C3 I728 E8
3703 A12 I729 E10
3704 B9
3705 B10
3706 B11
3707 B11
3708 D2
3709 B7
3710 C12
3711 B8
3712 C9
3713 C10
3714 D11
3715 C8
3716 D11
3717 C7
E
3718 E12
3719 E8
3720 E9
3721 E10
3722 E7
3723 E11
3724 F11
3725 E4
3726 E5
F
3727 D2
4701 B10
4702 C10
4703 E10
4728 A12
4729 C12
4730 D12
5700 C2
5701 A8
5702 A9
5703 A9
5704 C8
5705 C9
5706 C9
5707 E8
5708 E9
5709 E9
5710 E6
5711 F10
5712 G10
7701 A11
7702-1 C11
7702-2 E11
7703 D3
F1701 D13
173