Yamaha DVD-S2500 Service Manual page 37

SCHEMATIC DIAGRAM
FOR INFORMATION ONLY (NO REPLACEMENT PARTS WILL BE AVAILABLE)
AV BOARD (7/7)
1 2 3
AP1
3655 3660
AVCC_A
+8VA -8VA
A
10R 3661 10R
10R 3656 10R
AVCC_B
3657 10R 10R
3662
AVCC_C
3658 3663
AVCC_D
10R 10R
3659 3664
AVCC_SCART
10R 10R
AZ2
AP1
2635 2625 2636
B
100n 100n 100n
2620 2626 2631 2637
100n 100n 100n 100n
2621 2627 2638
100n 100n 100n
2622 2628 2639
100n 100n 100n
2623 2629
DGND
100n 100n VGND
C
2624
DGND DGND
100n
DGND
+5VSTBY +5VSTBY
AZ1
12V5
D
0V
I621 3648
7623
BC847B
10K
+5VSTBY
DGND
3647
7625
12V5
BC847B
5K6
I622
3646
E 7624
BC847B
0V 10K
DGND
*
I623
DGND
+3V3D
F
7605
PCF8574T
13 INT_
1 A0
2 A1
G 3 A2
VGND
14 SCL
SCL_3V3
INPUT
15 SDA
SDA_3V3
FILTER
+3V3D
+3V3D
16 VDD POWER-ON
RESET
8 VSS
H
VGND
S1_3V3
S2_3V3
S2_5V
I
S1_5V
1 2 3
4 5 6 7
TO CN1 OF POWER SUPPLY UNIT
1601 1600
PH-B
PH-B
I601
I605
1
-8VA_A 1
2
-8VA_B 2
I602
I606
-8VA_C 3 3
+5V_Power
I607
-8VA_D 4 4
I603 I608
5 5
-8VA_SCART
6 6
I604 DGND
I609 +5VSTBY
7 7
8
2640 2645
I610
9
100n 100n -12V_Power
2641 2646
10
100n 100n I611
11
2642 2647 DGND
I612
12
100n 100n
STDBY_CTRL
2643 2648 AE3
100n 100n
2644
DGND
100n VGND
DGND
VGND
+12VSTBY
STDBY_CTRL
+5VSTBY
12V5
V 0
3645 I624
7621
S2_5V
BC847B
10K
+5VSTBY
3641
DGND
3667
7626
12V5 5K6
BC847B
10K
I625
3642
7622
S1_5V DGND SCART0
BC847B
10K V 0
DGND
I626
0_6_12
C_DC
+3V3D
INTERRUPT
LP FILTER
LOGIC
I630
0V 3670 100R
P0
4
I631
3671 100R
0V P1 5
2
I C BUS I632
0V 3672 100R
P2 6
CONTROL
I633
3673 100R
0V P3 7
SHIFT 8 BIT I/O
I634 4K7
0V P4 9
REGISTER PORTS
I635
3V3 3623
P5 10 100R
RESET
3669
P6 11 I636
0V
I637
+3V3D
0V P7 12
7627
+3V3D
BC857B
3633
10K
4K7
+3V3D
3631
VGND
CLK_SEL
4 5 6 7
The first digit of a component indicates the component type.
1xxx : Connector 3xxx : Resistor
2xxx : Capacitor 4xxx : SMD jumper
* Components having special characteristics are marked Z and
must be replaced with parts having specifications equal to those
originally installed.
* Schematic diagram is subject to change without notice.
8 9 10 11
AP1
+5V_Power
+3V3_Power
I613
+12V_Power
DGND
4603
+12VSTBY
7601 +5VD
DGND
IRLML2502
3600
+12V_Power
12K
A1-52,A4-52
I614
A1-53,A4-53
5V_IEEE1394
-32V_Power
+5VSTBY
DGND
A1-19
3601
+12V_Power
1R
3603 I619
+5VVID
100u
+5V_Power 1R
VGND
3604 2608
I620
+5VD
1R
7620
AZ1
BC847B
AMUTE_FLR
I638
+3V3_Power
*
3619
DGND
10K
I639
3620 BC857B
MUTE
7613
5K6
3621
BC857B
MUTE_DAC_4398
7614
5K6 3618
7612
BC847B
33K
Spdif_Mute
Up_Sampling
I627
S1_3V3 AMUTE
+3V3_Power
S2_3V3 *
4608
Video_sel
+5VSTBY
4607 3674
10K
I628
3675
BC857B
MUTE
7630
5K6
Video_mute
7632
3676
BC857B
BC847B
mute_DAC
7631
5K6
3677
33K
* OPTION
8 9 10 11
5xxx : Coil 7xxx : IC, Transistor, FET
6xxx : Diode 9xxx : Wire jumper
* Z印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、
パーツリストに記載されている部品を使用してください。
* 本回路図は、標準回路図です。改良のため予告なく変更することがございます。
12 13 14 1600 A7
1601 A6
2600 B12
2603 C13
2604 C12
2605 C11
2606 E13
2607 E13
2608 D11
2611 C9
2612 F13
A
2614 H3
2615 A10
5600
2617 A9
+3V3D
2618 A8
33u
7600
2620 B1
LD1117
2621 B1
5601 2622 C1
3 2 I615
+3V3_DAC
2623 C1
IN OUT
33u
2624 C1
2625 B2
GND
1
2626 B2
2600 5602
+3V3_OSC 2627 B2
B
33u
A4-57 2628 C2
100u
2629 C2
2651
2631 B3
2635 B1
100n
DGND 2636 B4
2637 B4
7602
2638 B4
L7808
2639 C4
I616
1 3
2640 B4
+8VA
IN OUT
7603 2641 B4
L7805
2642 B4
2 GND I617
C 2643 C4
+5VA
IN OUT 2644 C4
2645 B5
GND 2646 B5
2647 B5
2648 C5
2649 B12
2650 B12
DGND
A4-58
2651 B12
2652 D13
7604
DGND
2653 H13
L7908
2654 B10
I618
1 3 D
2656 I6
-8V
IN
OUT
3128 H1
4601
DGND -8VA 3600 B9
GND 2 3601 C11
3602
3602 D12
-12V_Power
3603 D10
1R
3604 D10
3609 E12
3610 E13
3616
3611 E12
3612 F12
2K2
DGND 3613 E11
3615
E
3614 E11
2K2
3615 E12
3614 3609
3616 E12
3617 F11
470R 2K2
3618 F11
3613 3611 3610
3619 E10
470R 2K2 220R
3620 F9
3621 F9
3622 F7
3623 H7
+12VSTBY
3624 F7
F 3625 F6
DGND
DGND 3626 F6
3627 F6
3628 H6
3631 I5
3632 I6
3633 H7
*
3698 * 3697
3640 E8
-8V 1K5 1K2 3641 E7
3642 E6
3696 3695
3643 E6
1K5 1K2
3644 D7
3694 3693
G
3645 D6
3646 E3
1K5 1K2
3692 3691 3647 E2
3648 D3
1K5 1K2
3649 D2
3690 3689
3650 E1
1K5 1K2 3651 E3
3680 3681 3683 3652 D5
3655 A2
1K5 1K2 220R
3656 A2
3657 A2
3658 A2
H
3659 B2
4606
3660 A4
DGND
3661 A4
DGND
3662 A4
4609
+12VSTBY 3663 A4
3664 B4
-8V
I
12 13 14
DVD-S2500
3665 D3
3666 D6
3667 E4
3669 H7
3670 G7
3671 G7
3672 G7
3673 G7
3674 H10
3675 H9
3676 H9
3677 H11
3678 I11
3680 H12
3681 H12
3682 H12
3683 H13
3687 H7
3688 B10
3689 G12
3690 G12
3691 G12
3692 G12
3693 G12
3694 G12
3695 G12
3696 G12
3697 G12
3698 G12
3699 E1
3700 E8
4601 D13
4603 B11
4605 E4
4606 H13
4607 H9
4608 H10
4609 H12
5600 A13
5601 B13
5602 B13
6601 F13
6602 H13
7122 G2
7124 H2
7600 A12
7601 B10
7602 C12
7603 C13
7604 D13
7605 F3
7612 F11
7613 F10
7614 F10
7620 E8
7621 D7
7622 E7
7623 D2
7624 E2
7625 E1
7626 E5
7627 H7
7630 H10
7631 H10
7632 H11
I601 A6
I602 A6
I603 A6
I604 B6
I605 A7
I606 A7
I607 A7
I608 A7
I609 B7
I610 B7
I611 B7
I612 B7
I613 A11
I614 B11
I615 B13
I616 C12
I617 C13
I618 D13
I619 D10
I620 D10
I621 D3
I622 E3
I623 E2
I624 D6
I625 E6
I626 E7
I627 G9
I628 H9
I630 G6
I631 G6
I632 G6
I633 G6
I634 H6
I635 H7
I636 H6
I637 H6
I638 E9
I639 F9
37