7.
Circuit Diagrams and PWB Layouts
Large Signal Panel: Audio Amplifier
CENTER
OPAMP
OPAMP
OPAMP
L/R
MUTE/STBY
PROTECT
PGND
A
B
C
D
E
F
1735 D8
1738 E8
1739 A8
1740 B8
2701 E3
2702 E2
2703 C2
2704 D2
2705 D1
2706 D2
2707 B4
2708 D3
2709 A6
2710 A6
2711 D7
2712 D7
2713 D7
2714 C7
2715 C7
2716 C7
2717 E6
2718 E7
2719 E7
2721 D2
2722 A3
A8-19
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
3701 E2
3702 E2
3703 C2
3704 D2
3705 D2
3706 D2
3707 B2
3708 B2
3710 B3
3711 B2
3713 D7
3714 C7
3715 E6
3716 B3
3719 C2
3720 A1
3721 A1
3722 B1
3723 B2
3724 C1
3725 B4
3726 A2
4702 D4
10W 8E R
A8-2
SPK-L
7701 C5
7710 C2
7711 B3
9702 D4
9710 C5
9712 E5
9715 F4
9722 B1
c701 F5
c702 F5
AUDIO AMPLIFIER
10W 8E L
A8-14
14V
MAIN SPEAKERS
A8-19
A8-45
14V
50K
32V
SPK-R
14V
14V
14V
NORMAL = 0V
MUTE = 5V
14V
FOR ACTIVE SUBWOOFER
32V
N.C.
* ONLY FOR SUBWOOFER
*
*
A8-13
FOR PASSIVE SUBWOOFER
3702
10K
2712
47n
3
4
5
9715
1R
3720
GND-STAR
1n
2702
1735
1
2
3
4
9710
9712
2701
220n
470u
2708
GND-STAR
3705
1K
9702
47n
2715
3719
47K
GND-STAR
GND-STAR
1R
3716
10K
1u
2705
3723
2703
220n
GND-STAR
1m
2709
GND-STAR
3722
2710
100n
GND-STAR
GND-STAR
3715
4R7
GND-STAR
GND-STAR
1n
2704
GND-STAR
47n
2716
c702
10K
3725
BC847B
7710
1738
1
2
3
GND-STAR
4R7
3713
GND-STAR
2713
47n
GND-STAR
GND-STAR
3707
10K
GND-STAR
10K
3724
1K
3703
1u
2707
47K
3708
BC847B
7711
9722
1740
1
2
GND-STAR
GND-SSP
2706
1n
INL
1 INR
10 MUTE1
9 MUTE2
OC 3
12
OL
14
OR
PGND-C
4
11 15
8
SGND
7 SVR
13
VS
2
VS-C
TDA7497
7701
INC
6
5
3714
4R7
47n
2718
1739
1
2
3
2721
1u
2722
100u
50V
GND-STAR
3726
10K
47n
2719
10K
3706
GND-STAR
2711
1m
3711
10K
3710
47K
1K
3701
GND-STAR
1m
2714
A56
GND-AUD
1m
2717
A57
3704
10K
GND-STAR
A58
A59
c701
4702
GND-STAR
1R
3721
A
UDIO-SW
GND-STAR
GND-STAR
+28V
AUDIO-L
AUDIO-SW
AUDIO-R
SOUND-ENABLE
POR
CL 36532058_048.eps
030903
3139 123 5523.1
Item
2x10W w/o HP Amp
3x10W w/o HP Amp + Subwoofer
2x10W with EXT Subwoofer
3x10W with HP amp + Subwoofer
2x10W with HP Amp
DESCRIPTION
1738
---
V
---
V
--- CON BM V 3P M 2.50 EH B
1739
---
---
V
---
--- CON BM V 3P M 2.50 EH B
2701
V
---
V
---
V
CER2 0805 Y5V 16V 1U COL R
2701
---
V
---
V
--- CER2 0603 X7R 16V 100N COL
2702
V
V
V
V
V
CER1 0603 NP0 25V 1N COL
2703
V
---
V
---
V
CER2 0805 Y5V 16V 1U COL R
2703
---
V
---
V
--- CER2 0603 X7R 16V 100N COL
2704
V
V
V
V
V
CER1 0603 NP0 25V 1N COL
2705
---
V
---
V
--- CER2 0805 Y5V 16V 1U COL R
2706
---
V
---
V
--- CER2 0603 X7R 50V 3N3 COL
2711
V
---
V
---
V
ELCAP 25V S 1000U PM20 COL B
2711
---
V
---
V
--- ELCAP 25V S 470U PM20 COL B
2714
V
---
V
---
V
ELCAP 25V S 1000U PM20 COL B
2714
---
V
---
---
--- ELCAP 25V S 470U PM20 COL B
2715
V
V
V
V
V
CER2 0603 X7R 16V 47N COL
2716
V
V
V
V
V
CER2 0603 X7R 16V 47N COL
2717
---
V
---
V
--- ELCAP 25V S 1000U PM20 COL B
2718
---
V
---
V
--- CER2 0603 X7R 16V 47N COL
2719
---
V
---
V
--- CER2 0603 X7R 16V 47N COL
2721
---
---
---
V
--- CER2 0603 X7R 10V 220N COL
2721
---
V
---
---
--- CER2 0603 Y5V 10V 470N COL
2751
---
---
---
V
V
CER2 0805 Y5V 50V 100N P8020 R
2752
---
---
---
V
V
ELCAP 25V S 100U PM20 COL A
2753
---
---
---
V
V
CER2 0805 Y5V 50V 100N P8020 R
2754
---
---
---
V
V
CER2 0805 Y5V 16V 1U COL R
2755
---
---
---
V
V
ELCAP 25V S 100U PM20 COL A
2756
---
---
---
V
V
CER1 0603 NP0 50V 33P COL
2757
---
---
---
V
V
CER2 0603 X7R 16V 100N COL
2758
---
---
---
V
V
CER2 0805 Y5V 16V 1U COL R
2759
---
---
---
V
V
ELCAP 25V S 100U PM20 COL A
2760
---
---
---
V
V
CER1 0603 NP0 50V 33P COL
2761
---
---
---
V
V
CER2 0603 X7R 16V 100N COL
2762
---
---
---
V
V
CER1 0603 NP0 25V 1N COL
2763
---
---
---
V
V
CER1 0603 NP0 25V 1N COL
2764
---
---
---
V
V
ELCAP 10V S 470U PM20 COL A
3703
V
V
V
V
--- RST SM 0603 10K PM5 COL
3703
---
---
---
---
V
RST SM 0603 18K PM5 COL
3704
V
V
V
V
--- RST SM 0603 22K PM5 COL
3704
---
---
---
---
V
RST SM 0805 10K PM5 COL R
3705
---
V
---
V
--- RST SM 0603 10K PM5 COL
3706
---
V
---
---
--- RST SM 0603 22K PM5 COL
3706
---
---
---
---
V
RST SM 0805 10K PM5 COL R
3706
---
---
---
V
--- RST SM 0805 22K PM5 COL R
3715
---
V
---
V
--- RST SM 0603 RC21 8R2 PM5 R
3722
---
V
---
V
--- RST FUSE NFR25 S 1R PM5 A
3751
---
---
---
V
V
RST SM 0603 22K PM5 COL
3752
---
---
---
V
V
RST SM 0603 47K PM5 COL
3753
---
---
---
V
V
RST SM 0603 47K PM5 COL
3754
---
---
---
V
V
RST CRB CFR25S A 3R9 PM5 A
3755
---
---
---
V
V
RST SM 0603 12K PM5 COL
3756
---
---
---
V
V
RST SM 0603 12K PM5 COL
3757
---
---
---
V
V
RST SM 0603 100K PM5 COL
A56
20mV / div AC
1ms / div
A57
500mV / div AC
1ms / div
A58
20mV / div AC
200µs / div
A59
500mV / div AC
1ms / div
Содержание A02E
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