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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,- {5 M8 l# E& l% A, m2 C9 v' r1 O
TDA7294功放,
! h \; e) r3 Q/ \+ Z板子局部较密,有一定难度,有需要的可以看看。2 N7 S H* k) u
层数:1层5 J% E: b/ U- I5 w d* g0 \
用途:功放电路3 e; w( K# B A3 r8 x: u8 n
pcb作品截图如下:
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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 |
1 k' e9 p7 ] X( [ | 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 | ) Q$ f v5 G \8 W# Z
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