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1、 harman/kardon Service Manual AVR 139/230 AVR 141/230 AVR 142/230 5 x 40W 5.1 CHANNEL A/V RECEIVER CONTENTS ESD WARNING 2 BASIC SPECIFICATIONS 3 TROUBLESHOOTING GUIDE 4 PROCESSOR RESET 4 PACKAGE LISTS AND PARTS 5 DISASSEMBLY 8 EXPLODED VIEW AND PARTS 9 ELECTRICAL PARTS LIST 10 IC LIST 30 SEMICONDUCT
2、OR PINOUTS 31 PCB DRAWINGS 69 BLOCK DIAGRAM 74 WIRING DIAGRAM 75 AMP BIAS ADJUSTMENT 76 SCHEMATIC DIAGRAMS 77-83 Released EU2009 Harman Consumer Group, Inc. Rev 0, 04/2009 8500 Balboa Boulevard Northridge, California 91329 RadioFans.CN Eachprecautioninthismanualshouldbefollowedduringservicing. Compo
3、nents identified with the IEC symbolin the parts list are special significance to safety. When replacing a component identified with , use only the replacement parts designated, or parts with the same ratings or resistance, wattage, or voltage that are designated in the parts list in this manual. Le
4、akage-current or resistance measurements must be made to determine that exposed parts are acceptably insulated from the supply circuit before retuming the product to the customer. Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are calle
5、d Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components. The following techniques should be used to help reduce the incidence of component damage caused by static electricity. 1. Immediatel
6、y before handling any semiconductor component or semiconductor-equipped assembly, drain off any electrostatic charge on your body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging wrist strap device, which should be removed for potential shock reas
7、ons prior to applying power to the unit under test. 2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as aluminum foil, to prevent electrostatic charge build-up or exposure of the assembly. 3. Use only a grounded-tip soldering iron to
8、solder or unsolder ES devices. 4. Use only an anti-static solder removal device. Some solder removal devices not classified as anti-static can generate electrical charges sufficient to damage ES devices. 5. Do not use freon-propelled chemicals. These can generate electrical change sufficient to dama
9、ge ES devices. 6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most replacement ES devices are packaged with leads electrically shorted together by conductive foam, aluminum foil or comparable conductive material.) 7. Immedi
10、ately before removing the protective material from the leads of a replacement ES device, touch the protective material to the chassis or circuit assembly into which the device will be installed. Be sure no power is applied to the chassis or circuit, and observe all other safety precautions. 8. Minim
11、ize bodily motions when handling unpackaged replacement ES devices. (Otherwise harmless motion such as the brushing together or your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity sufficient to damage an ES devices. CAUTION : harman/kardonAVR 139-141
12、-142/230 Service Manual Page 2 of 83 RadioFans.CN 2 23 ENGLISH Technical Specifications for AVR Surround Receiver TECHNICAl sPECIfICATIoNs foR AVR Audio Section stereo Mode Continuous Average Power (fTC) 40 Watts per channel, 20Hz20kHz, 0.07% THD, both channels driven into 8 ohms five-Channel surrou
13、nd Modes Power Per Individual Channel, all channels driven simultaneously front l 5,956,674; 5,974,380; 5,978,762; 6,487,535; 7,003,467 Amplifier is in protection mode Check speaker-wire connections for shorts at receiver light around Power switch1is reddue to possible shortand speaker ends Amplifie
14、r is in protection mode Contact your local Harman Kardon service depot due to internal problems No sound from surround or Incorrect surround mode Select a mode other than Stereo center speakers Incorrect configuration Check speaker mode Stereo or Mono program material With (analog or digital) Dolby
15、surround modes, the surround decoder may not create rear-channel information from non-encoded programs Speakers not properly connected Check speaker-wire connections or use test tone to verify connections (see page 20) Unit does not respond to Weak batteries in remote Change remote batteries remote
16、commands Wrong device selected Press the AVR selector ? Remote sensorEis obscured Make certain front-panel sensor is visible to remote or connect remote sensor Intermittent buzzing in tuner Local interference Move unit or antenna away from computers, fluorescent lights, motors or other electrical ap
17、pliances Letters flash in the Channel Indicator Digital audio feed paused Resume play for DVD Display ?and Digital Audio stops Check that Digital Signal is fed to the Digital Input selected 0052CSK - AVR138_DVD28 ENG_v2.qxp:AVR138_DVD28_ENG 25/07/08 11:47 Side 25 (Sort/Black plade) harman/kardonAVR
18、139-141-142/230 Service Manual Page 4 of 83 RadioFans.CN harman/kardonAVR 139-141-142/230 Service Manual Page 5 of 83 RadioFans.CN harman/kardonAVR 139-141-142/230 Service Manual Page 6 of 83 RadioFans.CN harman/kardonAVR 139-141-142/230 Service Manual Page 7 of 83 RadioFans.CN harman/kardonAVR 139-
19、141-142/230 Service Manual Page 8 of 83 RadioFans.CN harman/kardonAVR 139-141-142/230 Service Manual Page 9 of 83 RadioFans.CN COMPLETE ELECTRICAL PARTS LISTS FOR AVR 139 - AVR 141 - AVR 142 AVR 139 AND AVR 141 ARE IN THE SYSTEMS 13926/13928 AND 14126/14128, WITH DVD 26 AND 28 AVR 142 IS SOLD AS A S
20、EPARATE Parts for AVR 139 only Ref. #Part NumberDescriptionValue CPG1A880X BOX , OUT CARTON CPG1A876 BOX , PAD SYSTEM13828/230 CQXSYSTEM14126/230 INSTRUCTION MANUAL ASSY CJS4S004Z CORD , PIN(3P,W/R/Y) CJS8T001Z CABLE, HDMI(2M) CBADV-005-2 CGB1A213ZBADGE , AVR139 CPB1061W BAG , POLY(ENGLISH/FRANCH) F
21、RANCE LANGUAGE ADDED CGUAVR139WINDOW ASSY FRONT PANEL ASSY Ref. #Part NumberDescriptionValue CGWAVR139/230FRONT PANEL ASSY BOTTOM CHASSIS ASSY Ref. #Part NumberDescriptionValue CKF9A337ZPANEL , REAR Parts for AVR 141 only Ref. #Part NumberDescriptionValue CPG1A880W BOX , OUT CARTON CPG1A876 BOX , PA
22、D SYSTEM13828/230 CQXSYSTEM14126/230 INSTRUCTION MANUAL ASSY CJS4S004Z CORD , PIN(3P,W/R/Y) CJS8T001Z CABLE, HDMI(2M) CBADV-005-2 CGB1A221ZBADGE , AVR141 CPB1061W BAG , POLY(ENGLISH/FRANCH) FRANCE LANGUAGE ADDED CGUAVR141/230WINDOW ASSY FRONT PANEL ASSY Ref. #Part NumberDescriptionValue CGWAVR141/23
23、0FRONT PANEL ASSY BOTTOM CHASSIS ASSY Ref. #Part NumberDescriptionValue CKF9A337YPANEL , REAR Parts for AVR 142 only Ref. #Part NumberDescriptionValue CQX1A1441ZMANUAL , INSTRUCTION CPG1A890ZBOX , OUT CARTON CGUAVR142/230WINDOW ASSY CGB1A222ZBADGE , AVR142 CGU2A399WWINDOW , FIP FRONT PANEL ASSY Ref.
24、 #Part NumberDescriptionValue CGWAVR142/230FRONT PANEL ASSY BOTTOM CHASSIS ASSY Ref. #Part NumberDescriptionValue CKF9A337XPANEL , REAR AVR 139 / 141 / 142 electrical parts list for all models Ref. #Part NumberDescriptionValue CGL1A222INDICATOR , VOLUMEAVR130/230/330 CGR1A331H63COVER , A AVR154 CGR1
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