AmericanAudio-APX152-pwr-sch 电路图 维修手册.pdf

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1、12345678 A B C D 87654321 D C B A C2 100PF VCC VSS C3 473 + CA16 47UF + CA17 47UF C1 100PF CN1 CN2 D2 4148 D1 4148 PH1 PH2 R3 1K R1 1K R2 1K VR1 10KA R7 1.2KR5 1.2K R41K 3 2 1 U1A 4558DD 5 6 84 7 U1B 4558DD + CA19 10UF + CA13 10UF + CA14 10UF C5 47PF C9 47PF D4 4148 D3 4148 R9 22K R12 22K R8 22K R10

2、 22K 3 2 1 U2A 4558DD 5 6 84 7 U2B 4558DD VCC VSS VR2 10KA + CA12 10UF R6 100K C4 22PF R15 10K R21 10K R1110K + CA10 10UF + CA11 10UF C8 100PF C1047PF C28 473 C26 473 C22 222 R34 10K R35 18K R33 18K R32 3.3K R27 3.3K VR5 10KA VR3 100KB VR4 100KB 3 2 1 U3A 4558DD 5 6 84 7 U3B 4558DD 3 2 1 U4A 4558DD

3、5 6 84 7 U4B 4558DD + CA3 10UF R13 100K VDD VSS + CA2 10UF LD1 RED LD2 BLUE RA2 1K RA1 1K R36 100K C15 103 C13 103C14 103 R20 4.7K R18 4.7K R17 2.2KR19 2.2K R14 100K + CA9 10UF C12 103 3 2 1 U5A 4558DD 5 6 84 7 U5B 4558DD C16 104C19 104 C17 104C18 104 + CA7 10UF R26 18K R23 18K R22 9.1KR25 9.1K VCC

4、VCC VSS VSS R24 100K R28 15KR31 15K R29 15KR30 15K R37 47K C24 472C21 472 C20 103C23 103 3 2 1 U6A 4558DD 5 6 84 7 U6B 4558DD VCC VSS + CA8 10UF R16 100K SW1 ZD2 15V ZD1 15V CA1 1000UF CA5 1000UF CA4 1000UF CA6 1000UF BD1 W06M C25 104 C27 104 C11 104 RA4 150 RA3 150 C7 104 C6 104 VCC VSS MIC INPUT L

5、INE INPUT PARALLEL MIC LINE BASS TREBLE MASTER LOWCUT FILE:Drawn By: DATE:AMERICAN AUDIO H.W.DSPK.PREAMP 91.03.28 1 2 3 H1 3P CONNECTOR 1 2 3 H2 3P CONNECTOR TO POWER AMP INPUT TO TRANSFORMER RadioFans.CN 收音机爱 好者资料库 12345678 A B C D 87654321 D C B A C35 47PF CA33 100UF CA33 100UF C32 47PF R49 22K R4

6、5 22K R5022K CA36 100UF C38 104 D9 4148 D5 4148 R45 22K R53 100 R57 10K LD7 RED R60 39K R54 100 ZD11 15V ZD10 15V CA3810000UFCA3910000UF BD2 RS806 FILE:Drawn By: DATE:AMERICAN AUDIO H.W.D SPK.POWER 91.04.18 1 2 3 H6 Q1 3906 QA13 A1186 QA12 C2837 QA11 C3421 3 2 4 8 51 7 U8A LM13600 14 15 13 9 1216 10

7、 116 U8B LM13600 D8 4148 D12 4148 D6 4148 R55 2.2K R43 820 RA34 22K R42 464K R60 75 C33 27PF C30 27PF R52 820 R58 150K V+1 3 2 1 84 U7A 4558DD 5 6 7 U7 B 4558DD C29 152 RA39 1K R56 10K Z2 5.6V DA5 4936 DA6 4936 TV2 500 R40 820 R38 100 RA39 1K R4110KZ15.6V D7 4148 D11 4148 R47 680 R48 1.8K C34 223 QA

8、10 A1358 RA30 3.3 RA29 3.3 RA36 220 RA31 0.22 RA32 220 RA33 0.22 RA37 4.7 C3647PF CA29 100UF CA31 100UF C37 47PF R73 22K R63 22K R7222K CA28 100UF D20 4148 D19 4148 R62 22K R67 100 R70 10K LD6 RED R69 39K R68 100 ZD7 15V ZD8 15V CA19 10000UF Q5 3906 QA8 A1186 QA7 C2837 QA5 C4739 D21 4148 D15 4148 D1

9、8 4148 R65 2.2K R80 820 RA25 47K R83 464K R82 75 C39 27PF C40 27PF R76 820 R74 150K V+1 3 2 1 84 U9A 4558DD 5 6 7 U9B 4558DD C41 152 RA24 1K R79 10KZ4 5.6V DA4 4936 DA3 4936 TV1 500 R81820 R84 100 RA27 1K R78 10K Z3 5.6V C42 223QA5 A1837 RA21 3.3 RA20 3.3 RA16 220 RA23 0.22 RA19 220 RA26 0.22 RA28 4

10、.7 C31 222 C43 222 QA3 C2837 RA12 0.22 QA4 A1186 RA17 0.22 CA23 104 DA2U15A20 LD5 RED RA9 1.5 RA13 3.3K RA46 2.2k CA21 10000UF CA20 10000UF CA24 104 DA1U15A20 LD4 RED RA10 1.5 RA15 3.3K Q9 3906 Q6 3904 QA2 IRFZ44 3 2 81 7 6 54 U11 LM311 3 2 81 7 6 54 U10 LM311 RA14 3K R104 47 R102 12K R101 5.9K R96

11、3K R95 470K R944.7K R91 150K RA22 12K R88 2K R87 150K R92 4.7K ZD4 10V ZD5 3.9V C45 332 CA25 100UF CA27 10UF D23 4148 D24 4148 C49 47PF ZD6 10V C46 47PF C47 47PF C48 104 D22 4148 D16 4148 CA22 100UF QA1 IRFZ44 C44 332 Q8 3904 Q7 3906 R86 2K RA18 12K R97 150K R93 4.7K R100 150K R85 47K R89 470K R98 4

12、.7K R90 2.2K R99 5.9K R103 47 RA11 3K ZD3 12V CA1810000UF V-1 D?DIODE V-1 FOR LOW FREQUENCY SPEAKER L2 D25 4148LD3 SIGNAL CA26 563 RA7 1K RA8 5.6 RA5 5.6 FOR HI FREQUENCY SPEAKER L1 CA35 563 RA35 5.6 RA40 5.6 BD3 RS806 BD4 RS806 D10 4148 TOROIDAL TRANSFORMER POWER SWITCH 5A250V AC INPUT R51 220K R39 10K R66 1.5M R64 560K R77 15K R59 220K R75 220K R71 470K R61 6.8K ZD9 3.9V CA30 22UF D1 4148 D13 4148 CA32 224 Q4 3904 Q2 3904 QA9 C3421 Q3 3906 24V 15V 46V 23V 0V 23V 0V 15V 46V 24V 0V 90 SWITCH 90 SWITCH TO PREAMP H2 CONNECTOR O O RadioFans.CN 收音机爱 好者资料库