《HarmanKardon-PA4000-pwr-sm维修电路原理图.pdf》由会员分享,可在线阅读,更多相关《HarmanKardon-PA4000-pwr-sm维修电路原理图.pdf(75页珍藏版)》请在收音机爱好者资料库上搜索。
1、The Harman Kardon Model PA 2000 / PA 4000 Manual A MULTICHANNEL AMPLIFIER CONTENTS TECHNICAL SPECIFICATIONS .03 ALIGNMENT PROCEDURES .05 BLOCK DIAGRAM . 06 DISASSEMBLY PROCEDURES . 08 EXPLODED VIEW. . .11 PRINCIPAL SCREW LOCATION. . .13 PARTS LIST . . .18 IC BLOCK DIAGRAM .48 PRINTED CIRCUIT BOARDS
2、. 61 SCHEMATIC DIAGRAMS . .67 WIRING DIAGRAM 73 PACKING MATERIAL 76 harman/kardon Parts and Service Office 80 Crossways Park West, Woodbury, N.Y. 11797 Printed in Korea RadioFans.CN Power Output Standard Operation 8 45 watts 8 ohms, 20 Hz 20 kHz, 0.07% THD, all channels driven Bridged Mode 1 .2 100
3、watts plus 4 45 watts 8 ohms, 20 Hz 20 kHz, 0.07% THD, all channels driven Bridged Mode 2 .4 100 watts 8 ohms, 20 Hz 20 kHz, 0.07% THD, all channels driven High-Current Capability 45 amps Frequency Response . 1 Hz 200 kHz, 3 dB at 1 watt Signal-to-Noise Ratio . . .110 dB at rated power 45 watts THD/
4、IMD Less than 0.07% at rated output Power Bandwidth . .1 Hz 100 kHz Input Impedance .47K ohms Input Sensitivity .1 volt for rated output Remote Trigger Voltage . 3 30 volts AC/DC Remote Trigger Impedance 20K ohms Keypad IR Sensor DC Supply 12 V, 10 mA Dimensions (H W D) . . 7 5/16” 17 3/8” 18 5/16”
5、185mm 442mm 465mm Weight . .47 lb / 21.4 kg Power Requirements . 120 VAC, 50 Hz / 60 Hz 600 watts, maximum RadioFans.CN PA 4000 TECHNICAL SPECIFICATIONS 4 2. Alignment Procedure 1. Test Equipment Required -DC Voltmeter Note: Disconnect external Audio Generator prior to alignment. 2. Preparation 1. C
6、onfirm the AC Power Voltage. 2. Cool the Amplifier enough prior to alignment. 3. Disconnect external Audio Generator and Road Registers. 4. POWER CONTROL MODE Switches on rear Panel: ON/KEYPAD position. 5. AMP MODE Switches on rear Panel: NORMAL position. 3. Adjustment and Test Points 1. Test Points
7、: J401, J501, J451, J551 2. Adjustment Points: VR401, VR501, VR451, VR551 Note: These Points are on PCB A1A-566 VR551/ J 551 VR451/ J451 VR401/ J401 VR501/ J501 A1A-566 PCB ASSY 4. Alignment Table Adjust for( mV) StepEquipmentTest Point Adjustment PointTargetNominalLimit 1 DC Voltmeter J401VR4012623
8、302232 2 DC Voltmeter J501VR5012623302232 3 DC Voltmeter J451VR4512623302232 4 DC Voltmeter J551VR5512623302232 Note: The Adjust for is after 1hours value of each test point. RadioFans.CN PA 4000 5 PA 2000 3. BLOCK DIAGRAM 6 BLOCK DIAGRAM PA 4000 7 CHASSIS-TOP(20) REMOVAL. REMOVE 9 SCREWS (A : 5EA,
9、J : 4EA) AND REMOVE THE CHASSIS-TOP(20) FRONT PANEL ASSY(AA) REMOVAL. 1. REMOVE THE CHASSIS-TOP(20), REFERRING TO THE PREVIOUS STEP 2. DISCONNECT THE CONNECTOR(CP 10, CARD-CABLE) ON THE FRONT P. C. BOARD(C) FROM CONNECTOR (CW 10) ON THE LED P. C. BOARD(a). 3. DISCONNECT THE CONNECTOR(CP15, 4P) ON TH
10、E POWER P. C. BOARD(b). 4. REMOVE 12 SCREWS(A:6EA, B:2EA, C:4EA) ON THE FRONT PANEL(1) AND THEN REMOVE THE FRONT PANEL ASSY(AA) CHASSIS-FRONT(7) REMOVAL 1. REMOVE THE CHASSIS-TOP(20), REFERRING TO THE PREVIOUS STEP 2. REMOVE THE FRONT-PANEL ASSY(AA), REFERRING TO THE PREVIOUS STEP 3. DISCONNECT THE
11、CONNECTOR(CP11) ON THE FRONT P. C. BOARD(c) FROM CONNECTOR(CP3) ON THE MICOM P. C. BOARD(f). 4. DISCONNECT THE CONNECTOR(CP17) ON THE FRONT P. C. BOARD(c) 5. DISCONNECT THE CONNECTOR(CP18) ON THE FRONT P. C. BOARD(c), FROM LEAD WIRE(2P) ON THE POWER-TRANS(12) 6. DISCONNECT THE CONNECTOR(CP19) ON THE
12、 FRONT P. C. BOARD(c), FROM LEAD WIRE(2P) ON THE POWER-TRANS(12) 7. REMOVE 11 SCREWS(E) AND THEN REMOVE THE CHASSIS-FRONT(7) CHASSIS-SIDE(11) REMOVAL 1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP 2. REMOVE THE FRONT-PANEL ASSY(AA), REFERRING TO THE PREVIOUS STEP 3. REMOVE THE CHASSIS
13、FORNT, REFERRING TO THE PREVIOUS STEP 4. REMOVE 2 SCREWS(A) ON THE CHASSIS-BACK(18) AND THEN REMOVE THE CHASSIS-SIDE (11) CHASSIS-BACK(18) REMOVAL 1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP 2. REMOVE THE FRONT-PANEL ASSY(AA), REFERRING TO THE PREVIOUS STEP 3. REMOVE THE CHASSIS FOR
14、NT, REFERRING TO THE PREVIOUS STEP 4. REMOVE THE CHASSIS-SIDE, REFERRING TO THE PREVIOUS STEP 5. DISCONNECT THE CONNECTOR(CP2) FROM LEAD WIRE(CW2) ON THE INPUT P.C. BOARD(h) 6. DISCONNECT THE CONNECTOR(CP17) ON THR FRONT P. C. BOARD(C) FROM CONNECTOR(CP14) ON THE AC-INLET P. C. BOARD(g) 7. DISCONNEC
15、T THE CONNECTOR(CP18, CP19) ON THE FRONT P. C. BOARD(C) FROM CONNECTOR(CP14) ON THE AC-INLET P. C. BOARD(g) 8. DISCONNECT THE CONNECTOR(CP15) ON THE POWER P. C. BOARD(b) FROM CONNECTOR(CW17) ON THE AC-INLET P. C. BOARD(g) EXPLODED-VIEW INSTRUCTION MANUAL DISASSEMBLY PROCEDURES PA 2000 / PA 4000 4. D
16、ISASSEMBLY PROCEDURES 8 9. REMOVE 35 SCREWS(A) ON THE CHASSIS-BACK(18) INPUT P. C. BOARD(h) REMOVAL. 1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP 2. REMOVE THE CHASSIS-BACK, REFERRING TO THE PREVIOUS STEP 3. DISCONNECT THE CONNECTOR(CP2) FROM LEAD WIRE(CW102) ON THE INPUT P.C. BOARD(
17、h) 4. DISCONNECT THE CONNECTOR(CP1) FROM LEAD WIRE(CW101) ON THE INPUT P.C. BOARD(h) 5. DISCONNECT THE CONNECTOR(CP2) FROM LEAD WIRE(CW2) ON THE INPUT P.C. BOARD(h) 6. DISCONNECT THE CONNECTOR(CP1) FROM LEAD WIRE(CW1) ON THE INPUT P.C. BOARD(h) 7. DISCONNECT THE LEAD WIRE(5P) FROM CONNECTOR(CP24, CP
18、25) ON THE INPUT P.C. BOARD(h) 8. DISCONNECT THE CONNECTOR(CP9) FROM LEAD WIRE(CW9) ON THE MAIN P.C.BOARD(e) 9. DISCONNECT THE CONNECTOR (CP22, CARD-CABLE) ON THE INPUT P. C. BOARD(h) FROM CONNECTOR (CP 11) ON THE MICOM P. C. BOARD(f). 10. DISCONNECT THE CONNECTOR(CP13, CARDCABLE) FROM LEAD WIRE(CP1
19、2) ON THE MAIN P. C. BOARD(e) 11. REMOVE 6 SCREWS(D) AND THEN REMOVE THE INPUT P. C. BOARD(h) MICOM P. C. BOARD(f) REMOVAL. 1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP 2. REMOVE THE CHASSIS-BACK, REFERRING TO THE PREVIOUS STEP 3. REMOVE THE INPUT P. C. BOARD, REFERRING TO THE PREVIO
20、US STEP 4. REMOVE 3 SCREWS(D) AND THEN REMOVE THE MICOM P. C. BOARD(f) RADIATOR ASSY(AB) REMOVAL(RIGHT SIDE). 1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP 2. REMOVE THE FRONT-PANEL ASSY(AA), REFERRING TO THE PREVIOUS STEP 3. REMOVE THE CHASSIS-FORNT, REFERRING TO THE PREVIOUS STEP 4.
21、 REMOVE THE CHASSIS-SIDE, REFERRING TO THE PREVIOUS STEP 5. REMOVE THE CHASSIS-BACK, REFERRING TO THE PREVIOUS STEP 6. DISCONNECT THE CONNECTOR(CP104) ON THE MAIN P. C. BOARD(e) FROM CONNECTOR(CW4-1, CW4-2) ON THE AMP P. C. BOARD(d) 7. DISCONNECT THE CONNECTOR(CP8) ON THE MAIN P. C. BOARD(e) FROM PO
22、SSITOR ON THE RADIATOR. 8. DISCONNECT THE CONNECTOR(CW9, 2P) ON THE MAIN P. C. BOARD(e) FROM CONNECTOR(CP9-1/3) ON THE AMP P. C. BOARD(d) 9. DISCONNECT THE CONNECTOR(CP103) ON THE MAIN P. C. BOARD(e) FROM CONNECTOR(CW3) ON THE AMP P. C. BOARD(d) 10. REMOVE 3 SCREWS AND THEN PULL OUT THE RADIATOR ASS
23、Y(AB) RADIATOR ASSY(AB) REMOVAL(LEFT SIDE). 1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP PA 2000 / PA 4000 9 2. REMOVE THE FRONT-PANEL ASSY(AA), REFERRING TO THE PREVIOUS STEP 3. REMOVE THE CHASSIS-FORNT, REFERRING TO THE PREVIOUS STEP 4. REMOVE THE CHASSIS-SIDE, REFERRING TO THE PRE
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- HarmanKardon PA4000 pwr sm 维修 电路 原理图