Primare-A30.2-pwr-sm维修电路原理图.pdf

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1、RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 12345678 A B C D 87654321 D C B A Title NumberRevisionSize A2 Date:19-Feb-2001Sheet of File:E:PRIMAREA30-2SCHEM1121A1.SCHDrawn By: - CONFIDENTIAL - CW R1 100K R2 100K R4 2K2 R6 330R R10 10K R7 330R R11 1K R8 330R R12 330k R13 330k R14 5K6 R9 330R C1 10

2、0N C2 100N C3 100N R15 4.7R 2W Z1 30V Q1 2SC3420 D1 PMLL4148R16 1K8 PIN PIN P1 PIN R17 100R Q2 BC546B Q3 BC846 Q4 BC846 Q7 BC856 1 23 Q9 2SK117GR Q10 2SC4793 R19 390R R20 33k R3 100K Q11 2SC4793 C4 470P Q12 2SA1837 Q13 2SA1837 R21 68R R22 220R R18 100R R23 100R Trim NO1 1 N02 8 C1 2 C2 7 NC1 3 NC2 6

3、 COIL 4 COIL 5 K1 Relay power 8A/24V C5 1U C6 1U Q14 2SA1943 Q16 2SC5200 C7 1N5 PIN P2 PIN R24 1K5 Q5 BC846 Q8BC856 R5 2K2 Z2 30V +48VR -48VR L1 25X7.8-1.1MM R251.8R R261.8R R272.2R R282.2R 1 2 J2 HEADER 2 R29 0.22R R30 0.22R R33 150K D3 1N4148 C8 470N R34 1M R35 1M R36 120K R37 1M D4 1N4148 Q6 BC84

4、6 D6 2V7 R38 56K +18VR -18VR +18VR R39 1K2 3W Q15 2SA1943 Q17 2SC5200 R31 0.22R R32 0.22R C10 C11 1 2 3 4 5 6 JP3 HEADER 6 C14 220U/80V C15 220U/80V Vin 3 ADJ 1 Vout 2 REG1 LM317T Vin 3 ADJ 1 Vout 2 REG2LM337T R40 15K R41 15K R42 402R R43 402R D7 BDY17D D8 BDY17D D9 BDY17D D10 BDY17D C16 3.3U/50V C1

5、7 3.3U/50V C18 3.3U/50V C19 3.3U/50V +48VR -48VR +56VR +56VR -56VR C20 C21 C22 C23 S3 200MA S4 200MAD5 1N4148 STANDBY C24nc C25nc C26nc C27nc 1 2 JP2 HEADER 2 D11 D12 D13 D14 D2 PMLL4148 R44 1K6 C9 470N 3 2 6 74 U2 OPA134UA 3 3 2 2 1 1 J1 XLR NC3FAH R47 1K R48 4.3K R49 4.3K R50 11K R52 2.7K R51 11K

6、R53 2.7K R54 100R +15VR -15VR 1 2 3 S7A SW DPDT 4 5 6 S7B SW DPDT D15 D16 D17 D18 C12 C13 Vin 1 Vout 2 Vout 3 Adj 4 n.c. 5 Vout 6 Vout 7 n.c. 8 REG3 LM317LM Vout 1 Vin 2 Vin 3 Adj 4 n.c. 5 Vin 6 Vin 7 n.c. 8 REG4 LM337LM R55 2k4 R57 220R R56 2k4 R58 220R +15VR -15VR C28 10u 16V C29 10u 16V C30 10u 1

7、6V C31 10u 16V R5915K R60 15K R6115K R6215K C32 100N C33 100N D19 D20 D21 D22 R63 4R7 R64 4R7 R65 100K R66 100K R67 100K C34 220U/80V C35 220U/80V 3 2 6 74 U1 741C 3 2 6 74 U3 741C +18VR -18VR C36 100NC37 100N C38 1U C39 1U NET EM1121B1.SCH CW R101 100K R102 100K R104 2K2 R106 330R R110 10K R107 330

8、R R111 1K R108 330R R112 330k R113 330k R114 5K6 R109 330R C101 100N C102 100N C103 100N R115 4.7R 2W Z101 30V Q101 2SC3420 D101 PMLL4148R116 1K8 PIN PIN P101 PIN R117 100R Q102 BC546B Q103 BC846 Q104 BC846 Q107 BC856 1 23 Q109 2SK117GR Q110 2SC4793 R119 390R R120 33k R103 100K Q111 2SC4793 C104 470

9、P Q112 2SA1837 Q113 2SA1837 R121 68R R122 220R R118 100R R123 100R Trim NO1 1 N02 8 C1 2 C2 7 NC1 3 NC2 6 COIL 4 COIL 5 K101 Relay power 8A/24V C105 1U C106 1U Q114 2SA1943 Q116 2SC5200 C107 1N5 PIN P102 PIN R124 1K5 Q105 BC846 Q108BC856 R105 2K2 Z102 30V +48VL -48VL L101 25X7.8-1.1MM R1251.8R R1261

10、.8R R1272.2R R1282.2R 1 2 J102 HEADER 2 R129 0.22R R130 0.22R R133 150K D103 1N4148 C108 470N R134 1M R135 1M R136 120K R137 1M D1041N4148 Q106 BC846 D106 2V7 R138 56K +18VL -18VL +18VL R139 1K2 3W Q115 2SA1943 Q117 2SC5200 R131 0.22R R132 0.22R C110 C111 1 2 3 4 5 6 JP103 HEADER 6 C114 220U/80V C11

11、5 220U/80V Vin 3 ADJ 1 Vout 2 REG101 LM317T Vin 3 ADJ 1 Vout 2 REG102 LM337T R140 15K R141 15K R142 402R R143 402R D107 BDY17D D108 BDY17D D109 BDY17D D110 BDY17D C116 3.3U/50V C117 3.3U/50V C118 3.3U/50V C119 3.3U/50V +48VL -48VL -56VL +56VL +56VL -56VL C120 C121 C122 C123 S103 200MA S104 200MAD105

12、 1N4148 STANDBY C124nc C125 nc C126 nc C127nc 1 2 JP102 HEADER 2 D111 D112 D113 D114 D102 PMLL4148 R144 1K6 C109 470N 3 2 6 74 U102 OPA134UA 3 3 2 2 1 1 J101 XLR NC3FAH R147 1K R148 4.3K R149 4.3K R150 11K R152 2.7K R151 11K R153 2.7K R154 100R +15VL -15VL 1 2 3 S107A SW DPDT 4 5 6 S107B SW DPDT D11

13、5 D116 D117 D118 C112 C113 Vin 1 Vout 2 Vout 3 Adj 4 n.c. 5 Vout 6 Vout 7 n.c. 8 REG103 LM317LM Vout 1 Vin 2 Vin 3 Adj 4 n.c. 5 Vin 6 Vin 7 n.c. 8 REG104 LM337LM R155 2k4 R157 220R R156 2k4 R158220R +15VL -15VL C128 10u 16V C129 10u 16V C130 10u 16V C131 10u 16V R15915K R16015K R16115K R16215K C132

14、100N C133 100N D119 D120 D121 D122 R163 4R7 R164 4R7 R165 100K R166 100K R167 100K C134 220U/80V C135 220U/80V 3 2 6 74 U101 741C 3 2 6 74 U103 741C +18VL -18VL C136 100NC137 100N C138 1U C139 1U JP1 JP105 JUMPER2 JP5 JUMPER2 JP107 1 1 2 2 3 3 JP7 JP109 1 1 2 2 3 3 JP9 JUMPER3 R168 1K R403 4K3 R402

15、100R R68 1K R401 2K7 R400 11K -56VR A B R45 15K R4615K R6915K R7015K R7115K R7215K R7315K R7415K POWER-AMP EM1121 1/2 BN 123456 A B C D 654321 D C B A Title NumberRevisionSize B Date:19-Feb-2001Sheet of File:E:PRIMAREA30-2SCHEM1121B1.SCHDrawn By: R301 1M D301 1N4148 D302 1N4148 C301 10U/16V R302 100

16、K R304 47K D303 6.2V R305 47K Q301 BC846B Q304 BC856B C302 220U/35V R303 100K Q302 BC846B C303 100NF C304 1NF C305 1NF D304 1N5404 D305 1N5404 C306 3300/6.3V R307 NTC 7R R309 VDR275 R310 470K 1 2 P301 HEADER 2 C307 3300/6.3V R308 NTC 7R 1 2 P302 HEADER 2 1 2 P303 HEADER 2 S3013.15A S302 3.15A S303 3

17、.15A NO1 1 N02 8 C1 2 C2 7 NC1 3 NC2 6 COIL 4 COIL 5 K301 RELAY DPDT3 1 2 JP301 HEADER 2 1 2 P304 HEADER 2 1 2 JP302 HEADER 2 R311 22K R312 47K R315 100K R316 100K R313 47K R317 3MEG C308 100N R318 487R Q303 BC846B R314 47K C309 10U/16V +9V +9V 5 2 1 3 JP303 3.5MM-JACK 5 2 1 3 JP304 3.5MM-JACK 78 6

18、3 2 5 4 1 D306 KB2855 3 2 6 74 U301 741C R319 NC 1 2 3 4 6 5 T301 TRANSF33X28 D307 BDY17D D308 BDY17D D309 BDY17D D310 BDY17D R323 390R R324 390R R325 10K R327 47K D312 PMLL4148 D311 PMLL4148 Vin 1 Vout 2 Vout 3 Adj 4 n.c. 5 Vout 6 Vout 7 n.c. 8 REG301 LM317LM R328 2k2 R329 390R STANDBY 1 2 JP305 HE

19、ADER 2 Q306 BC846B R330 100K R331 47K D313 PMLL4148 R332 1R Q307 BC856B R339 100K Q308 BC846B Q309 BC846B Q310 BC846B Q311 BC856B R342 100K R341 100k R344 100k R343 100k R446 1k R345 100k +SW +SW A B R340 NC JP307 JP306 JP308 STANDBY EM1121 2/2 BN IDLE CURRENT ADJUSTMENT 1: Connect the voltmeter to

20、JP2 ( JP102) ADJUST R23 ( R123 ) TO 20mV 2. After the power has been on for 60 min readjust R23 (R123) 3. Remove the voltmeter. Instructions apply to the Right channel. Instructions given in brackets apply to the Left channel. TECHNICAL SPECIFICATIONS Output power per channel 120W/8 ohm,200W/4 ohm (1X400W) Output impedance 0.03 ohm DC offset 5mV Frequency response 10HZ-100KHZ -3db Signal to noise A-weighted 100 dB THD+noise 0.08% Standby 3.5W DIMENSIONS (WXDXH) 430X385X100 MM Weight 16Kg