HarmanKardon-PA2000-pwr-sm维修电路原理图.pdf
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1、The Harman KardonModel PA 2000 / PA 4000 Manual AMULTICHANNEL AMPLIFIERCONTENTSTECHNICAL SPECIFICATIONS .03ALIGNMENT PROCEDURES .05BLOCK DIAGRAM . 06DISASSEMBLY PROCEDURES . 08EXPLODED VIEW. . .11PRINCIPAL SCREW LOCATION. . .13PARTS LIST . . .18IC BLOCK DIAGRAM .48PRINTED CIRCUIT BOARDS . 61SCHEMATI
2、C DIAGRAMS . .67WIRING DIAGRAM 73PACKING MATERIAL 76 harman/kardonParts and Service Office80 Crossways Park West, Woodbury, N.Y. 11797 Printed in KoreaRadioFans.CN 收音机爱 好者资料库Power OutputStandard Operation 8 45 watts 8 ohms, 20 Hz 20 kHz, 0.07% THD, all channels drivenBridged Mode 1 .2 100 watts plus
3、 4 45 watts 8 ohms, 20 Hz 20 kHz, 0.07% THD, all channels drivenBridged Mode 2 .4 100 watts 8 ohms, 20 Hz 20 kHz, 0.07% THD, all channels drivenHigh-Current Capability 45 ampsFrequency Response . 1 Hz 200 kHz, 3 dB at 1 wattSignal-to-Noise Ratio . . .110 dB at rated power 45 wattsTHD/IMD Less than 0
4、.07% at rated outputPower Bandwidth . .1 Hz 100 kHzInput Impedance .47K ohmsInput Sensitivity .1 volt for rated outputRemote Trigger Voltage . 3 30 volts AC/DCRemote Trigger Impedance 20K ohmsKeypad IR Sensor DC Supply 12 V, 10 mADimensions (H W D) . . 7 5/16” 17 3/8” 18 5/16” 185mm 442mm 465mmWeigh
5、t . .47 lb / 21.4 kgPower Requirements . 120 VAC, 50 Hz / 60 Hz 600 watts, maximumPA 4000TECHNICAL SPECIFICATIONS42. Alignment Procedure1. Test Equipment Required-DC VoltmeterNote: Disconnect external Audio Generator prior to alignment.2. Preparation 1. Confirm the AC Power Voltage.2. Cool the Ampli
6、fier 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 Points1. Test Points: J401, J501, J451, J5512. Adjustment Points: VR40
7、1, VR501, VR451, VR551Note: These Points are on PCB A1A-566 VR551/ J 551 VR451/ J451 VR401/ J401 VR501/ J501A1A-566 PCB ASSY4. Alignment TableAdjust for( mV)StepEquipmentTest PointAdjustmentPointTargetNominalLimit1DCVoltmeterJ401VR40126233022322DCVoltmeterJ501VR50126233022323DCVoltmeterJ451VR4512623
8、3022324DCVoltmeterJ551VR5512623302232Note: The Adjust for is after 1hours value of each test point.PA 40005PA 20003. BLOCK DIAGRAM6BLOCK DIAGRAMPA 40007 CHASSIS-TOP(20) REMOVAL.REMOVE 9 SCREWS (A : 5EA, J : 4EA) AND REMOVE THE CHASSIS-TOP(20) FRONT PANEL ASSY(AA) REMOVAL.1. REMOVE THE CHASSIS-TOP(20
9、), REFERRING TO THE PREVIOUS STEP2. 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 THE POWER P. C. BOARD(b).4. REMOVE 12 SCREWS(A:6EA, B:2EA, C:4EA) ON THE FRONT PANEL(1) AND THEN REMOV
10、E THE FRONT PANEL ASSY(AA) CHASSIS-FRONT(7) REMOVAL1. REMOVE THE CHASSIS-TOP(20), REFERRING TO THE PREVIOUS STEP2. REMOVE THE FRONT-PANEL ASSY(AA), REFERRING TO THE PREVIOUS STEP3. DISCONNECT THE CONNECTOR(CP11) ON THE FRONT P. C. BOARD(c) FROM CONNECTOR(CP3) ON THE MICOM P. C. BOARD(f).4. DISCONNEC
11、T 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 FRONT P. C. BOARD(c), FROM LEAD WIRE(2P) ON THE POWER-TRANS(12)7. REMOVE 11 SCREWS(E) AND THEN REMOVE THE
12、 CHASSIS-FRONT(7) CHASSIS-SIDE(11) REMOVAL1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP2. REMOVE THE FRONT-PANEL ASSY(AA), REFERRING TO THE PREVIOUS STEP3. REMOVE THE CHASSIS FORNT, REFERRING TO THE PREVIOUS STEP 4. REMOVE 2 SCREWS(A) ON THE CHASSIS-BACK(18) AND THEN REMOVE THE CHASSI
13、S-SIDE (11) CHASSIS-BACK(18) REMOVAL1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP2. REMOVE THE FRONT-PANEL ASSY(AA), REFERRING TO THE PREVIOUS STEP3. REMOVE THE CHASSIS FORNT, REFERRING TO THE PREVIOUS STEP 4. REMOVE THE CHASSIS-SIDE, REFERRING TO THE PREVIOUS STEP5. DISCONNECT THE CO
14、NNECTOR(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. DISCONNECT THE CONNECTOR(CP18, CP19) ON THE FRONT P. C. BOARD(C) FROM CONNECTOR(CP14) ON THE AC-INLET P. C. BOARD(g) 8. DISCO
15、NNECT THE CONNECTOR(CP15) ON THE POWER P. C. BOARD(b) FROM CONNECTOR(CW17) ON THE AC-INLET P. C. BOARD(g)EXPLODED-VIEW INSTRUCTION MANUALDISASSEMBLY PROCEDURESPA 2000 / PA 40004. DISASSEMBLY PROCEDURES89. REMOVE 35 SCREWS(A) ON THE CHASSIS-BACK(18) INPUT P. C. BOARD(h) REMOVAL.1. REMOVE THE CHSSIS-T
16、OP(20), REFERRING TO THE PREVIOUS STEP2. REMOVE THE CHASSIS-BACK, REFERRING TO THE PREVIOUS STEP3. DISCONNECT THE CONNECTOR(CP2) FROM LEAD WIRE(CW102) ON THE INPUT P.C. BOARD(h)4. DISCONNECT THE CONNECTOR(CP1) FROM LEAD WIRE(CW101) ON THE INPUT P.C. BOARD(h)5. DISCONNECT THE CONNECTOR(CP2) FROM LEAD
17、 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, CP25) 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 CONN
18、ECTOR (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(CP12) 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
19、THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP2. REMOVE THE CHASSIS-BACK, REFERRING TO THE PREVIOUS STEP3. REMOVE THE INPUT P. C. BOARD, REFERRING TO THE PREVIOUS STEP4. 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)
20、, REFERRING TO THE PREVIOUS STEP2. REMOVE THE FRONT-PANEL ASSY(AA), REFERRING TO THE PREVIOUS STEP3. REMOVE THE CHASSIS-FORNT, REFERRING TO THE PREVIOUS STEP 4. REMOVE THE CHASSIS-SIDE, REFERRING TO THE PREVIOUS STEP5. REMOVE THE CHASSIS-BACK, REFERRING TO THE PREVIOUS STEP6. DISCONNECT THE CONNECTO
21、R(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 POSSITOR 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. DIS
22、CONNECT 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 ASSY(AB) RADIATOR ASSY(AB) REMOVAL(LEFT SIDE).1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEPPA 2000 / PA 400092. REMOVE THE FRONT-PAN
23、EL ASSY(AA), REFERRING TO THE PREVIOUS STEP3. REMOVE THE CHASSIS-FORNT, REFERRING TO THE PREVIOUS STEP 4. REMOVE THE CHASSIS-SIDE, REFERRING TO THE PREVIOUS STEP5. REMOVE THE CHASSIS-BACK, REFERRING TO THE PREVIOUS STEP6. DISCONNECT THE CONNECTOR(CP104) ON THE MAIN P. C. BOARD(e) FROM CONNECTOR(CW4-
24、1, CW4-2) ON THE AMP P. C. BOARD(d)7. DISCONNECT THE CONNECTOR(CP8) ON THE MAIN P. C. BOARD(e) FROM LEAD WIRE(POSSITOR, 2P) ON THE RADIATOR-MAIN.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(CP3) ON THE M
25、AIN P. C. BOARD(e) FROM CONNECTOR(CW3) ON THE AMP P. C. BOARD(d) 10. REMOVE 3 SCREWS AND THEN PULL OUT THE RADIATOR ASSY(AB) MAIN P. C. BOARD(e) REMOVAL.1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP2. REMOVE THE FRONT-PANEL ASSY(AA), REFERRING TO THE PREVIOUS STEP3. REMOVE THE CHASSIS
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