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 … … … … .. …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
Power Output
Standard Operation… 8 × 45 watts @ 8 ohms, 20 Hz ~ 20 kHz, < 0.07% THD, all channels driven
Bridged Mode 1… … … ..2 × 100 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/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”
185mm ×442mm ×465mm
Weight… … … … … … … … … … … … … … … … … … … … … … … … … … … … … ..… … … … .47 lb / 21.4 kg
Power Requirements… … … … … … … … … … … … … … … … … … … … … .… 120 VAC, 50 Hz / 60 Hz
600 watts, maximum
2. Alignment Procedure
1. Test Equipment Required
-DC Voltmeter
Note: Disconnect external Audio Generator prior to alignment.
2. Preparation
1. Confirm 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: 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 ASS’Y
4. Alignment Table
Step Equipment Test Point
1
2
3
4
DC
Voltmeter
DC
Voltmeter
DC
Voltmeter
DC
Voltmeter
J401 VR401 26 23~30 22~32
J501 VR501 26 23~30 22~32
J451 VR451 26 23~30 22~32
J551 VR551 26 23~30 22~32
Adjustment
Point
Target Nominal Limit
Adjust for( mV)
Note: The Adjust for is after 1hour’s value of each test point.
CONNECTOR(CP3) ON THE MICOM P. C. BOARD(f).
EXPLODED-VIEW INSTRUCTION MANUAL
4. DISASSEMBLY PROCEDURES
<1> CHASSIS-TOP(20) REMOVAL.
REMOVE 9 SCREWS (A : 5EA, J : 4EA) AND REMOVE THE CHASSIS-TOP(20)
<2> FRONT PANEL ASS'Y(AA) REMOVAL.
1. REMOVE THE CHASSIS-TOP(20), REFERRING TO THE PREVIOUS STEP<1>
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 THE 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 ASS'Y(AA)
<3> CHASSIS-FRONT(7) REMOVAL
1. REMOVE THE CHASSIS-TOP(20), REFERRING TO THE PREVIOUS STEP<1>
2. REMOVE THE FRONT-PANEL ASS'Y(AA), REFERRING TO THE PREVIOUS STEP<2>
3. DISCONNECT THE CONNECTOR(CP11) ON THE FRONT P. C. BOARD(c) FROM
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 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)
<4> CHASSIS-SIDE(11) REMOVAL
1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP<1>
2. REMOVE THE FRONT-PANEL ASS'Y(AA), REFERRING TO THE PREVIOUS STEP<2>
3. REMOVE THE CHASSIS FORNT, REFERRING TO THE PREVIOUS STEP<3>
4. REMOVE 2 SCREWS(A) ON THE CHASSIS-BACK(18) AND THEN REMOVE THE
CHASSIS-SIDE (11)
<5> CHASSIS-BACK(18) REMOVAL
1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP<1>
2. REMOVE THE FRONT-PANEL ASS'Y(AA), REFERRING TO THE PREVIOUS STEP<2>
3. REMOVE THE CHASSIS FORNT, REFERRING TO THE PREVIOUS STEP<3>
4. REMOVE THE CHASSIS-SIDE, REFERRING TO THE PREVIOUS STEP<4>
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. DISCONNECT 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)
9. REMOVE 35 SCREWS(A) ON THE CHASSIS-BACK(18)
10. REMOVE 3 SCREWS AND THEN PULL OUT THE RADIATOR ASS'Y(AB)
<6> INPUT P. C. BOARD(h) REMOVAL.
1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP<1>
2. REMOVE THE CHASSIS-BACK, REFERRING TO THE PREVIOUS STEP<5>
3. 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 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 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(CP12) ON
THE MAIN P. C. BOARD(e)
11. REMOVE 6 SCREWS(D) AND THEN REMOVE THE INPUT P. C. BOARD(h)
<7> MICOM P. C. BOARD(f) REMOVAL.
1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP<1>
2. REMOVE THE CHASSIS-BACK, REFERRING TO THE PREVIOUS STEP<5>
3. REMOVE THE INPUT P. C. BOARD, REFERRING TO THE PREVIOUS STEP<6>
4. REMOVE 3 SCREWS(D) AND THEN REMOVE THE MICOM P. C. BOARD(f)
<8> RADIATOR ASS'Y(AB) REMOVAL(RIGHT SIDE).
1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP<1>
2. REMOVE THE FRONT-PANEL ASS'Y(AA), REFERRING TO THE PREVIOUS STEP<2>
3. REMOVE THE CHASSIS-FORNT, REFERRING TO THE PREVIOUS STEP<3>
4. REMOVE THE CHASSIS-SIDE, REFERRING TO THE PREVIOUS STEP<4>
5. REMOVE THE CHASSIS-BACK, REFERRING TO THE PREVIOUS STEP<5>
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
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. DISCONNECT THE CONNECTOR(CP103) ON THE MAIN P. C. BOARD(e) FROM
CONNECTOR(CW3) ON THE AMP P. C. BOARD(d)
<9> RADIATOR ASS'Y(AB) REMOVAL(LEFT SIDE).
1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP<1>
2. REMOVE THE FRONT-PANEL ASS'Y(AA), REFERRING TO THE PREVIOUS STEP<2>
10. REMOVE 3 SCREWS AND THEN PULL OUT THE RADIATOR ASS'Y(AB)
3. REMOVE THE CHASSIS-FORNT, REFERRING TO THE PREVIOUS STEP<3>
4. REMOVE THE CHASSIS-SIDE, REFERRING TO THE PREVIOUS STEP<4>
5. REMOVE THE CHASSIS-BACK, REFERRING TO THE PREVIOUS STEP<5>
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 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 MAIN P. C. BOARD(e) FROM
CONNECTOR(CW3) ON THE AMP P. C. BOARD(d)
<10> MAIN P. C. BOARD(e) REMOVAL.
1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP<1>
2. REMOVE THE FRONT-PANEL ASS'Y(AA), REFERRING TO THE PREVIOUS STEP<2>
3. REMOVE THE CHASSIS-FORNT(7), REFERRING TO THE PREVIOUS STEP<3>
4. REMOVE THE CHASSIS-SIDE, REFERRING TO THE PREVIOUS STEP<4>
5. REMOVE THE CHASSIS-BACK(18), REFERRING TO THE PREVIOUS STEP<5>
6. REMOVE THE INPUT P. C. BOARD(h), REFERRING TO THE PREVIOUS STEP<6>
7. REMOVE MICOM P. C. BOARD(f), REFERRING TO THE PREVIOUS STEP<7>
8. REMOVE RADIATOR ASS'Y(AB), REFERRING TO THE PREVIOUS STEP<8,9>
9. DISCONNECT CONNECTOR (CP5) FROM LEAD WIRE(3P) ON THE
10. DISCONNECT CONNECTOR (CP6) FROM LEAD WIRE(3P) ON THE
POWER-TRANS(12)
11. REMOVE 10 SCREWS(G:8EA, H:2EA) AND THEN REMOVE THE MAIN P. C. BOARD(e)
<11> POWER TRANS(12) REMOVAL
1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP<1>
2. REMOVE THE FRONT-PANEL ASS'Y(AA), REFERRING TO THE PREVIOUS STEP<2>
3. REMOVE THE CHASSIS-FORNT(7), REFERRING TO THE PREVIOUS STEP<3>
4. REMOVE THE CHASSIS-SIDE, REFERRING TO THE PREVIOUS STEP<4>
5. REMOVE THE CHASSIS-BACK(18), REFERRING TO THE PREVIOUS STEP<5>
6. REMOVE THE INPUT P. C. BOARD(h), REFERRING TO THE PREVIOUS STEP<6>
7. REMOVE MICOM P. C. BOARD(f), REFERRING TO THE PREVIOUS STEP<7>
8. REMOVE RADIATOR ASS'Y(AB), REFERRING TO THE PREVIOUS STEP<8,9>
9. REMOVE MAIN P. C. BOARD(e), REFERRING TO THE PREVIOUS STEP<10>
10. REMOVE 8 SCREWS AND THEN REMOVE THE POWER-TRANS(12)
6. PRINCIPAL SCREW LOCATION
REF NO. PART NO. DESCRIPTION
REF NO. PART NO. DESCRIPTION
REF NO. PART NO. DESCRIPTION
REF NO. PART NO. DESCRIPTION
1SS133 (40V 0.11A) DO-40 T
1SS133 (40V 0.11A) DO-40 T
1SS133 (40V 0.11A) DO-40 T
1SS133 (40V 0.11A) DO-40 T
1SS133 (40V 0.11A) DO-40 T
1SS133 (40V 0.11A) DO-40 T
1SS133 (40V 0.11A) DO-40 T
MTZJ5.1B 4.94-5.20 DO34 T
1SS133 (40V 0.11A) DO-40 T
REF NO. PART NO. DESCRIPTION
REF NO. PART NO. DESCRIPTION
10ohm 1W 5% ERG(X)1SJ100E
10ohm 1W 5% ERG(X)1SJ100E
10ohm 1W 5% ERG(X)1SJ100E
10ohm 1W 5% ERG(X)1SJ100E
10ohm 1W 5% ERG(X)1SJ100E
10ohm 1W 5% ERG(X)1SJ100E
10ohm 1W 5% ERG(X)1SJ100E
10ohm 1W 5% ERG(X)1SJ100E
10ohm 1W 5% ERG(X)1SJ100E
REF NO. PART NO. DESCRIPTION
REF NO. PART NO. DESCRIPTION
KH DE1310E 472M 250V P10mm
EB 0.33uF J 50V 7.2x9.5 T
EB 0.33uF J 50V 7.2x9.5 T
EB 0.33uF J 50V 7.2x9.5 T
EB 0.33uF J 50V 7.2x9.5 T
EB 0.33uF J 50V 7.2x9.5 T
EB 0.33uF J 50V 7.2x9.5 T