PA 4000 (serv.man4) - Harman Kardon Audio Service Manual (repair manual)

pa 4000 (serv.man4) service manual
Model
PA 4000 (serv.man4)
Pages
75
Size
10.35 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
pa-4000-sm4.pdf
Date

Read Harman Kardon PA 4000 (serv.man4) Service Manual online

The Harman Kardon
Model PA 2000 / PA 4000                 
Manual A
MULTICHANNEL AMPLIFIER
CONTENTS
TECHNICAL SPECIFICATIONS … … … … ..03
ALIGNMENT PROCEDURES  … … … … … . 05
BLOCK DIAGRAM … … … … … … … … … . . … 06
DISASSEMBLY PROCEDURES … … .. … … 0 8
EXPLODED VIEW.. … … … … … … … .. … … ..11
PRINCIPAL SCREW LOCATION... …... …..13
PARTS LIST… … … … … … … … … . … .. … … .18
IC BLOCK DIAGRAM … … … … … … … … … .48
PRINTED CIRCUIT BOARDS … … … … .. … 61
SCHEMATIC DIAGRAMS  … … … … .. … … ..67
WIRING DIAGRAM … … … … … … … … … … 7 3
PACKING MATERIAL … … … … … … … … … 7 6
                     
     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
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.  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
Adjust for( mV)
Step
Equipment
Test Point
Adjustment
Point
Target
Nominal
Limit
1
DC
Voltmeter
J401
VR401
26
23~30
22~32
2
DC
Voltmeter
J501
VR501
26
23~30
22~32
3
DC
Voltmeter
J451
VR451
26
23~30
22~32
4
DC
Voltmeter
J551
VR551
26
23~30
22~32
Note: The Adjust for is after 1hour’s value of each test point.
PA 4000
5
PA 2000
3. BLOCK DIAGRAM
6
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Download Harman Kardon PA 4000 (serv.man4) Service Manual (Repair Manual)

Here you can read online and download Harman Kardon PA 4000 (serv.man4) Service Manual in PDF. PA 4000 (serv.man4) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Harman Kardon PA 4000 (serv.man4) Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.