Primare-A30_5-pwr-sm 电路图 维修手册.pdf

《Primare-A30_5-pwr-sm 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Primare-A30_5-pwr-sm 电路图 维修手册.pdf（8页珍藏版）》请在收音机爱好者资料库上搜索。

1、RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 IDLE CURRENT ADJUSTMENT 1: Switch on the amplfier and leave unit on for at least 15min. 2: Connect a voltmeter to JP3 and adjust potentiometer R71 to 15mV +/-1mV 3: After the power has been on for 30 min readjust R71for 15mV +/-1mV RadioFans.CN 收音机爱 好者

2、资料库 123456 A B C D 654321 D C B A Title NumberRevisionSize B Date:15-Feb-2001Sheet of File:E:PRIMAREA30-5SCHEM1111-4.SCH Drawn By: R18 1M D10 1N4148 D12 1N4148 C9 10U/63V R19 100K R23 47K D15 15V R24 47K Q7 BC547B Q8 BC557B C10 22U/63V D13 1N4004 D14 1N4004 R20 100K Q9 BC547B R21 NC C11 100NF C12 1N

3、F C13 1NF D16 1N5404 D17 1N5404 C14 3300/6.3V R25 NTC 7R R28 VDR275 R30 470K 1 2 P6 HEADER 2 1 2 P7 HEADER 2 1 2 P8 HEADER 2 C15 3300/6.3V R26 NTC 7R D18 1N5404 R27 NTC 7R D19 1N5404 1 2 P9 HEADER 2 1 2 P10 HEADER 2 1 2 P11 HEADER 2 S8 3.15A S9 3.15A S10 3.15A S11 3.15A S12 3.15A NO1 1 N02 8 C1 2 C2

4、 7 NC1 3 NC2 6 COIL 4 COIL 5 K2 RELAY DPDT3 1 2 3 4 P13 HEADER 4 1 2 JP6 1 2 P1 HEADER 2 1 2 JP3 HEADER 2 R1 22K R247K R29 100K R31 100K R3 47K R37 3MEG C1 100N/63V R38 1K Q4 BC547B R4 47K Vin 1 GND 2 OUT 3 U3 7812 C2 100N/63V C3 10U/16V +12V R39 3.01k +12V D5 1N4148 1 2 P2 HEADER 2 5 2 1 3 JP4 3.5M

5、M-JACK 5 2 1 3 JP7 3.5MM-JACK D6 KB2855 3 2 6 74 U1 741 SW 230IN 230OUT D1 NC R5NC R6 NC STANDBY EM1111 BN 1/1 12345678 A B C D 87654321 D C B A Title NumberRevisionSize A3 Date:15-Feb-2001Sheet of File:E:PRIMAREA30-5SCHEM1110-1.SCH Drawn By: - CONFIDENTIAL - L CW R3 100K R9 100K R11 2K2 R18 330R R3

6、3 10K R19 330R R35 1K R20 330R R36 330k R37 330k R34 5K6 R32 330R C2 100N C5 100N C9 100N R45 4.7R 2W Z1 30V Q3 2SC3420 D6 PMLL4148R14 1K8 PIN PIN P4 PIN R50 65R Q4 BC546B Q5 BC846 Q6 BC846 Q10 BC856 1 23 Q17 2SK117GR Q18 2SC4793 R57 390R R58 33k R5 100K Q21 2SC4793 C18 470P Q22 2SA1837 Q30 2SA1837

7、R52 68R R59 220R R65 270R R71 100R Trim NO1 1 N02 8 C1 2 C2 7 NC1 3 NC2 6 COIL 4 COIL 5 K1 Relay power 8A/24V C19 470n C20 470N S3 RESET FUSE, 5 Amp S4 RESET FUSE, 5 Amp Q31 2SA1633 Q33 2SC4278 C21 1N5 PIN P5 PIN R72 1K4 Q7 BC846 Q16 BC856 R15 2K2 R73 1K.M Z2 30V +40VREG -40VREG L1 25X7.8-1.1MM R741

8、.8R R751.8R R762.2R R772.2R 1 2 JP2 HEADER 2 R78 0.22R R79 0.22R 3 2 1 84 U2A MC1458 5 6 7 U2B MC1558 R82 150K D7 1N4148 C22 470N R83 1M R84 1M R7 120K R85 470K D8 1N4148 Q8 BC846 D10 2V7 R8 56K +15V -15V +15V R87 1K2 3W R88 10k Q32 2SA1633 Q34 2SC4278 R80 0.22R R81 0.22R C1 10000U/50V C3 10000U/50V

9、 1 2 3 4 5 6 JP1 HEADER 6 D2 BRIDGE1 C4 220U/80V C6 220U/80V Vin 3 ADJ 1 Vout 2 REG1 LM317T Vin 3 ADJ 1 Vout 2 REG2LM337T R1 15K R2 15K R4 402R R6 402R D3 BDY17D D4 BDY17D D5 BDY17D D11 BDY17D C7 3.3U/50V C8 3.3U/50V C10 3.3U/50V C11 3.3U/50V +40VREG -40VREG -56V +56V +56V -56V C12 47N C1347N C14 47

10、N C1547N S1 1AT S2 1AT D12 1N4148 1 2 3 4 P1 HEADER 4 S7 200MA S8 200MA STANDBY STANDBY C16 47N C23 47N C24 47N C25 47N 1 2 JP3 HEADER 2 D1 1N5402 D151N5402 D161N5402 D171N5402 D18 PMLL4148 C17 470n C26 470N R10 6K8 R12 470K R13 280K T1 BC846 +56V C27 470N POWER-AMP EM1110 1/1 BN TECHNICAL SPECIFICATIONS Output power per channel 120W/8 ohm,200W/4 ohm 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 0W DIMENSIONS (WXDXH) 430X385X175 MM Weight 27Kg