NE5532+L7812CV+NE555+KBP210+TDA7294功放原理图+PCB作品文件分享。

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NE5532+L7812CV+NE555+KBP210+TDA7294功放原理图+PCB作品文件分享。用AD画的单面板，
  i5 ^8 H" Q" ^TDA7294功放，
! O/ z4 d) S/ k4 `板子局部较密，有一定难度，有需要的可以看看。
层数：1层
用途：功放电路
pcb作品截图如下：


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BOM：

Comment	Designator	Quantity	Footprint
0.1uF	C1, C2, C5, C6, C11, C12, C15, C16	8	CAP13x5
22uF/100V	C3	1	CAP8x12
100P	C4, C14	2	CAP13x5
1uF	C7, C8, C17, C18	4	CAP4X7
10uF	C9, C10	2	CAP5X7
22uF	C13	1	CAP8x12
220U/35V	C19	1	CAP10x115
220U	C20, C21	2	CAP8x12
10U	C22	1	CAP5X7
47U	C23	1	CAP6x12
0.01U	C24	1	RAD-0.3
1N4148	D1, D3	2	1N4007
KBP210	D2	1	KBP210
1N4007	D4, D5	2	1N4007
NE5532	IC1, IC3	2	DIP8
TDA7294	IC2, IC4	2	TDA7294
L7812CV	IC5	1	7824
NE555	IC6	1	DIP8
Comment	J1, J4, J22, J23, J34	5	J-05mm
! z  p1 b, E! B& g2 [' C5 y5 D	J2, J3, J14, J15, J16, J17, J18, J19, J20, J21, J24, J25, J26, J27, J31, J35	16	J-7.5mm
Comment	J5, J6, J7, J8, J9, J10, J11, J28, J29, J30, J36	11	J-10mm
Comment	J12, J13, J32, J33	4	J-15mm
OMRON G2R-2	K1, K2	2	OMRON G2R-2
右声道扬声器	P1	1	WJ25C-B-4P 762
IN put	P2	1	WJ301V-5.00-3P
POWER IN	P3	1	WJ2EDGRC-5.08-6P
S9014	Q1	1	VEBC
TIP41C	Q2	1	to-126
4K7	R1, R14	2	R-1/4W
270R	R2, R15	2	R-1/4W
1K	R3, R6, R7, R16, R19, R20, R28	7	R-1/4W
22K	R4, R17	2	R-1/4W
1M	R5, R18	2	R-1/4W
470K	R8, R10, R21, R23	4	R-1/4W
15K	R9, R22	2	R-1/4W
20K	R11	1	R-1/4W
30K	R12	1	R-1/4W
10K	R13, R24, R25, R26	4	R-1/4W
44.9K	R27	1	R-1/4W

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