Primare-A10-int-sch 电路图 维修手册.pdf

《Primare-A10-int-sch 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Primare-A10-int-sch 电路图 维修手册.pdf（9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 12345678 A B C D 87654321 D C B A Title NumberRevisionSize A3 Date:13-Feb-2001Sheet of File:E:PRIMAREA10SCHEM1115-2.SCHDrawn By: Q1 BC850 Q2 BC850 R1 R2 R3 R4 R5 R6 R7 G 1 DP 2 A 3 F 4 COM1 5 COM2 10 B 9 C 8 E 7 D 6 DISP1 DUAL_DISP VCC SER 14 SRCLK 11

2、SRCLR 10 RCLK 12 E 13 O0 15 O1 1 O2 2 O3 3 O4 4 O5 5 O6 6 O7 7 Q7 9 VCC 16 GND 8 U1 74HC595 VCC VCC 7X470R SER 14 SRCLK 11 SRCLR 10 RCLK 12 E 13 O0 15 O1 1 O2 2 O3 3 O4 4 O5 5 O6 6 O7 7 Q7 9 VCC 16 GND 8 U2 74HC595 VCC VCC 1 2 3 4 D1 LIGHT R8 178R 1 2 3 4 D2 LIGHT R9 178R 1 2 3 4 D3 LIGHT R10 178R 1

3、 2 3 4 D4 LIGHT R11 178R 1 2 3 4 D5 LIGHT R12 178R CDAUX1AUX2AUX3MONITOR VOLUME VCC 2 VOUT 1 GND 3 IR1 R15 10R R16 10K VCC IR-RECEIVER C1 100N C2 100N PIN 1: CLOCK HC595 PIN 2: LOAD HC595 PIN 3: SD HC595 PIN 4: NC PIN 5: CLOCK POTM PIN 6: VCC PIN 7: GND PIN 8: NC PIN 9: DATA POTM PIN 10: NC PIN 11:

4、LOAD/SHIFT POTM PIN 12: NC PIN 13: NC PIN 14: NC DISPLAY EM1115-2 1 BN 1 SER 14 SRCLK 11 SRCLR 10 RCLK 12 E 13 O0 15 O1 1 O2 2 O3 3 O4 4 O5 5 O6 6 O7 7 Q7 9 VCC 16 GND 8 U3 74HC595 VCC C3 100N D8 LED R17 750R STANDBY X1 12.0MHz C422p C522p R18 NC VCC 1 2 3 4 SW2 B3F-4055 1 2 3 4 SW3 B3F-4055 1 2 3 4

5、 SW4 B3F-4055 D11 D12 D10D9 1 2 3 4 SW5 B3F-4055 1 2 3 4 SW6 B3F-4055 MONITOR TAPE/AUX2 TUNER/AUX1 STANDBY B 1 COM 2 A 3 SW7 ENCODE-EC16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 JP1 14 HEADER VCC VCC 1 2 3 4 D6 LIGHT R13178R 1 2 3 4 D7 LIGHT R14 178R TUNERTAPE CD/AUX3 R21 1K R22 1K R23 1K VCC R24 1K R25 1K

6、R26 1K VCC R27 1K R28 1K R29 1K R30 1K R31 1K R32 1K VCC VCC R33 1K R34 1K VCC C6 NC C8 10u 16V VOLUME P0.0 1 P0.1 20 P0.2 19 P0.3 18 P0.4 17 P0.5 16 VDD 15 P0.6 14 P0.7 13 P1.7 2 P1.6 3 P1.5/RST 4 VSS 5 XTAL1 6 XTAL2 7 P1.4/INT1 8 P1.3/INT0 9 P1.2 10 P1.0/TXD 12 P1.1/RXD 11 U4 87LPC764 C7 100N C9 1

7、0u 16V 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:13-Feb-2001Sheet of File:E:PRIMAREA10SCHEM1113A.SCHDrawn By: Lline - CONFIDENTIAL - Switch circuit em1113b.SCH CW R10 100K R54 68k R56 2K2 R68 330R R76 10K R69 330R R80 1K R70 330R R87 330k R88 330k R77

8、 10K R71 330R C21 100N C26 100N C27 100N R92 4.7R 2W Z3 18V Q14 2SC3420 D2 PMLL4148 R60 1K8 R94 68R Q19 BC846B Q20 BC846BQ23 BC846B Q33 BC856B 1 23 Q39 2SK170GR Q41 2SC4793 R98 390R R100 33k R12 100K Q43 2SC4793 C73 470P Q45 2SA1837 Q47 2SA1837 R95 68R R110 220R R113 100R R121 100R Trim C75 470N C76

9、 470N Q49 2SA1633 Q51 2SC4278 *fusible* Q24 BC846B R102 33k R13 100K STBY1 C79 1N5 Rline CW R17 100K R55 68k R63 2K2 R72 330R R78 10K R73 330R R81 1K R74 330R R89 330k R90 330k R79 10K R75 330R C28 100N C37 100N Q15 2SC3420 R64 1K8 R96 68R Q25 BC846B Q26 BC846BQ27 BC846B Q34 BC856B Q40 2SK170GR Q42

10、2SC4793 R99 390R R104 33k R26 100K Q44 2SC4793 C74 470P Q46 2SA1837 Q48 2SA1837 R97 68R R112 220R R116 100R R122 100R Trim C77 470N C78 470N Q50 2SA1633 Q52 2SC4278 Q28 BC846B R106 33k R42 100K STBY2 C80 1N5 PIN P1 PIN A10 MAIN BOARD EM1113-4 BN R123 8K2 R124 8k2 3 2 1 84 U2A OPA2134UA 5 6 7 U2B OPA

11、2134UA +14V -14V Q29 BC846B Q35BC856B R66 2K2 Q30 BC846B Q36 BC856B R67 2K2 R125 1K R126 1K 1/2 Z6 18V NO1 1 N02 8 C1 2 C2 7 NC1 3 NC2 6 COIL 4 COIL 5 K1 Relay power 8A/24V +35VREG -35VREG +35VREG -35VREG C44 100N D33PMLL4148 (0 OHM) D34 PMLL4148 (0 OHM) L2 NC R127NC R128NC R129NC R130NC PIN P2 PIN

12、C45 100N R93 4.7R 2W PIN P3 PIN L3 NC R131NC R138NC R139NC R140NC PIN P4 PIN 3 2 1 84 U5A 1458 5 6 7 U5B 1458 R141 150K D6 PMLL4148 C82 1U/50V R142 1M R143 1M R47 120K R146 680K D21 PMLL4148 Q31 BC846B Z1 2V7 R149 56K +14V D23 PMLL4148 R144 1M D24 PMLL4148 D26 PMLL4148 C83 3.3U/50V R49 100K R153 47K

13、 Z2 15V R154 47K Q53 BC846B Q55 BC856B C84 10U/50V D37 BDY17D D38 BDY17D R51 100K Q54 BC846B 1 2 TS1 NC C85 10000U/50V C86 10000U/50V 1 2 3 4 5 6 JP3 HEADER 6 C87 220U/63V C88 220U/63V Vin 3 ADJ 1 Vout 2 REG6 LM317T Vin 3 ADJ 1 Vout 2 REG8LM337T R155 15K R156 15K R157 560R R158 560R C89 3.3U/50V C90

14、 3.3U/50V C91 3.3U/50V C92 3.3U/50V +35VREG -35VREG +30V -30V C47 100N C48100N C49 100N C50100N S15 NC S16NC S13 1AT S14 1AT C51 100N C61 100N C62 100N C63 100N D451N5402 D461N5402 D471N5402 D481N5402 +30V -30V +30V -30V R159 680k T2BC856B T1 BC846 R160 100k R163 100K STBY T3 BC846B T5 BC856B T6 BC8

15、56B R165 100K R166 100K +30V STBY1 STBY2 R167 680R R168 680R 3 2 6 74 U6 741C +14V -14V D1 1N5402 D3 1N5402 C4 3300U/6.3V R1 NTC 7R 1 2 P6 HEADER 2 C5 3300U/6.3V R3 100R R4 0.22R 3W R5 0.22R 3W R6 0.22R 3W R7 0.22R 3W 1 2 JP1 HEADER 2 1 2 JP4 HEADER 2 L R J1 L R J2 4 5 6 S1B SW DPDT 1 2 3 S1A SW DPD

16、T R11 47R R14 47R R15 4K7 R16 1K5 R18 1K5 R19 4K7 PRE OUT MAIN IN R2 100K D4 BDY17D D5 BDY17D D7 BDY17D D8 BDY17D 3 2 1 84 U4A OPA2134A +14V -14V 5 6 7 U4B OPA2134 R8 8K2 R9 8K2 R20 2K7 R21 2K7 R22 100R R23 100K C1 10U/16V C2 10UF/50V R25 0R (SENSOR) R27 100K C3 47U/50V R28 220R R29 220R 123456 A B

17、C D 654321 D C B A Title NumberRevisionSize C Date:13-Feb-2001Sheet of File:E:PRIMAREA10SCHEM1113B.SCHDrawn By: Clock HC595 Load HC595 SD HC595 n.c. TAPE1 OUT n.c. REM_BUS n.c. DGND +5Vdig n.c. STBY Rline Lline 1 2 3 4 5 6 7 8 9 10 11 12 13 14 P5 14 HEADER R169 100K C93 0.76U/100V C95 100P 3 2 1 84

18、U3A OPA2134UA TUNER L R J7 R171 2k2 R172 2k2 TAPE L R J8 R173 2k2M R174 2k2M CD L R J9 R175 2k2 R176 2k2 GND AC 1 OUT1 2 GND1 3 GND AC 5 GND AC 6 VSS2 7 LOGIC GND 8 CLOCK 9 LOAD/SHIFT 10 DATA IN 11 DATA OUT 12 VDD1 13 GND AC 14 VDD2 15 GND AC 16 OUT2 17 VSS1 18 GND2 19 IN2 20 IN1 4 U7 LM1972 DATA Po

19、tm CLOCK Potm n.c. LOAD/SHIFT Potm +5Vdig SER 14 SRCLK 11 SRCLR 10 RCLK 12 E 13 O0 15 O1 1 O2 2 O3 3 O4 4 O5 5 O6 6 O7 7 Q7 9 VCC 16 GND 8 U9 74HC595 TUNER_ONCD_ON TUNER_ON CD_ON AUX1_ON +5VDIG R183470R R184 1K5 Vin 3 ADJ 1 Vout 2 REG7 LM317T R185 470R 3W +30V +6.1Vreg -6.1Vreg -6.1Vreg A10 MAIN BOA

20、RD EM1113-4 2/2 BN C97 10U/16V -14V R170 100K C94 0.76U/100V C64 100N C96 100P 5 6 7 U3B OPA2134UA +14V AUX3 L R J10 R177 2k2 R178 2k2 AUX3_ON AUX2_ON R187 470R 3W C1071N R186 220R 3W +30V R188 220R 3W C108 470N C110 470N R189470R R191 4K7 R192 4K7 R190 470R C98 10U/16V C99 10U/16V Q32 BC846B Q38 BC

21、856B R193 15K R194 15K Z7 7V5 Z8 7V5 C111 470N C113 470N +6.1Vreg -6.1Vreg +14V -14V -30V C100 10U/16V C101 10U/16V X0 12 X1 13 Y0 2 Y1 1 Z0 5 Z1 3 INH 6 A 11 B 10 C 9 VEE 7 X 14 Y 15 Z 4 VCC 16 GND 8 U104053 X0 12 X1 13 Y0 2 Y1 1 Z0 5 Z1 3 INH 6 A 11 B 10 C 9 VEE 7 X 14 Y 15 Z 4 VCC 16 GND 8 U13405

22、3 X0 12 X1 13 Y0 2 Y1 1 Z0 5 Z1 3 INH 6 A 11 B 10 C 9 VEE 7 X 14 Y 15 Z 4 VCC 16 GND 8 U14 4053 C103 10U/16V C104 10U/16V R195 2K2 R196 33K R197 33K +6.1Vreg -6.1Vreg +6.1Vreg -6.1Vreg +6.1Vreg -6.1Vreg C65 100N C66 100N C68 100N C114 330P C116 330P C117 330P C70 100N C71 100N C118 330P C120 330P C7

23、2 100N C121 22U/35V AUX2 L R J11 R179 2k2 R180 2k2 AUX2_ON X0 12 X1 13 Y0 2 Y1 1 Z0 5 Z1 3 INH 6 A 11 B 10 C 9 VEE 7 X 14 Y 15 Z 4 VCC 16 GND 8 U154053 +6.1Vreg -6.1Vreg AUX1 L R J12 R181 2k2 R182 2k2 AUX1_ON X0 12 X1 13 Y0 2 Y1 1 Z0 5 Z1 3 INH 6 A 11 B 10 C 9 VEE 7 X 14 Y 15 Z 4 VCC 16 GND 8 U16405

24、3 +6.1Vreg -6.1Vreg AUX3_ON MONITOR_ON NO1 1 N02 8 C1 2 C2 7 NC1 3 NC2 6 COIL 4 COIL 5 K3 RELAY DPDT3 T4 BC846B R198 47K MONITOR_ON +30V R199 470R R200 470R D49 PMLL4148 R201 33K R202 33K +14V-14V C122100N L R J13 R203 100R R204 100R 3 2 1 84 U1A OPA2134UA 5 6 7 U1B OPA2134UA Vin 3 ADJ 1 Vout 2 REG9

25、 LM317T Vin 3 ADJ 1 Vout 2 REG10 LM337T R24 100R/3W IDLE CURRENT ADJUSTMENT 1: Switch on the amplfier and leave unit on for at least 15min. 2: Connect a voltmeter to JP1 (JP4) and adjust potentiometer R121 (R122) to 18mV +/-1mV 3: After the power has been on for 30 min readjust R121 (R122) for 18mV +/-1mV TECHNICAL SPECIFICATIONS Sensitivity RCA 280mV Output power 2x50 W/8 ohm 2x 78 W/4 ohm Peak current +/- 10A Output impedance 0.1 ohm Frequency response 10HZ-80KHZ, -3db Signal to noise A-weighted 96 dB THD+noise 0.09% Standby 15 W DIMENSIONS (WXDXH) 430X275X75 MM Weight 9Kg