HarmanKardon-AVR260_230-avr-sm维修电路原理图.pdf

《HarmanKardon-AVR260_230-avr-sm维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《HarmanKardon-AVR260_230-avr-sm维修电路原理图.pdf（131页珍藏版）》请在收音机爱好者资料库上搜索。

1、 harman/kardon Service Manual AVR 260/230 7 x 50W 7.1 CHANNEL A/V RECEIVER CONTENTS EXPLODED VIEW AND PARTS 14 ELECTRICAL PARTS LIST 15 SEMICONDUCTOR PINOUTS 49 PCB DRAWINGS 109 BLOCK DIAGRAM 116 WIRING DIAGRAM 117 AMP BIAS ADJUSTMENT 118 SCHEMATIC DIAGRAMS 119-131 ESD WARNING 2 FRONT AND REAR PANEL

2、S 3 REMOTE CONTROL 8 TROUBLESHOOTING GUIDE 10 PROCESSOR RESET 10 BASIC SPECIFICATIONS 11 PACKAGE LISTS AND PARTS 12 DISASSEMBLY 13 Released EU2010 Harman Consumer Group, Inc. Rev 0, 07/2010 8500 Balboa Boulevard Northridge, California 91329 harman/kardonAVR 260/230 Service ManualPage 1 of 131RadioFa

3、ns.CN 收音机爱 好者资料库Eachprecautioninthismanualshouldbefollowedduringservicing.Components 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

4、, wattage, or voltage that are designated in theparts list in this manual. Leakage-current or resistance measurements must be made to determine that exposed parts are acceptablyinsulated from the supply circuit before retuming the product to the customer.Some semiconductor (solid state) devices can

5、be damaged easily by static electricity. Such components commonly are calledElectrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field effect transistors andsemiconductor chip components.The following techniques should be used to help reduce the i

6、ncidence of component damage caused by static electricity.1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any electrostatic charge onyour body by touching a known earth ground. Alternatively, obtain and wear a commercially available dischargin

7、g wrist strap device,which should be removed for potential shock reasons 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, toprevent electrostatic charge build-up or expo

8、sure of the assembly.3. Use only a grounded-tip soldering iron to 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 chargessufficient to damage ES devices.5. Do not use freon-propelled che

9、micals. These can generate electrical change sufficient to damage ES devices.6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most replacementES devices are packaged with leads electrically shorted together by conductive foam

10、, aluminum foil or comparable conductive material.)7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective material to thechassis or circuit assembly into which the device will be installed.Be sure no power is applied to the chassis or c

11、ircuit, and observe all other safety precautions.8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise harmless motion such as the brushing togetheror your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity sufficient to

12、damage an ES devices.CAUTION : harman/kardonAVR 260/230 Service ManualPage 2 of 131RadioFans.CN 收音机爱 好者资料库CompositeAnalogAVRInfoResolutionAudio EffectsVideo ModesSurround ModesBack/ExitSource ListMNLKOK260BCD216789AE45JIGH3F54FRONT-PANEL CONTROLS0 Volume Control: Turn this knob clockwise to increase

13、 the volume, counterclockwise to decrease the volume. If the AVR is muted, adjusting volume control will automatically release the unit from the silenced condition.1 System Power Control: When the Main Power Switch on the rear panel is “ON,” press this button to turn on the AVR; press it again to tu

14、rn the unit off (to Standby). Note that the Power Indicator 2 will turn white when the unit is on.2 Power Indicator: This LED will be illuminated in amber when the unit is in the Standby mode to signal that the unit is ready to be turned on. When the unit is in operation, the indicator will turn whi

15、te.3 Headphone Jack: This jack may be used to listen to the AVRs output through a pair of headphones. Be certain that the headphones have a standard 6,3 mm stereo phone plug. Note that the speakers will automatically be turned off when the headphones are connected. When configuring your system using

16、 EzSet/EQ, the calibration microphone should be plugged into this jack using the supplied adaptor that converts the small mini-plug at the end of the microphones cord to a 6,3 mm plug.4 Navigation: These buttons are used to navigate the AVRs menus and to operate the tuner.5 OK Button: Press this but

17、ton to select the currently highlighted item.6 AVR Settings Button: Press this button to access the AVRs main menu.7 Info Settings Button: Press this button to directly access the AVRs Setup Source submenu, which contains the settings for the current source.8 Resolution: Pressing this Button once an

18、d then using the KL Buttons 4 changes the AVRs video output resolution to these settings: 576i, 576p, 720p, 1080i or 1080p. The AVR is set to default to 576i when first switched on, or if you reset it later. This resolution has been chosen to ensure that the On Screen Display information is visible

19、on your TV even with analog S-Video or Composite (CVBS) signals. Having selected the best resolution for your system, confirm with the OK Button 5. The Front Panel Display now shows Res Change, Cancel. If you press OK now, or do nothing for 20 seconds, the AVR returns to normal play mode. To confirm

20、 the new resolution, press the L Button 4, which changes the Display from Cancel to Accept, then press the OK Button 5. The new resolution is now in use.9 Audio Effects: Press this button to directly access the Audio Effects submenu, which allows adjustment of the tone and other controls. See the In

21、itial Setup section for more information.A Video Modes: Press this button for direct access to the Video Modes submenu, which contains settings that may be used to improve the picture if necessary after you have adjusted the picture settings using the video display or TV.B Remote Sensor Window: The

22、sensor behind this window receives infrared signals from the remote control. Aim the remote at this area and do not block or cover it unless an external remote sensor is installed.C Main Information Display: This display delivers messages and status indications to help you operate the receiver.harma

23、n/kardonAVR 260/230 Service ManualPage 3 of 1317ENGLISHFRONT-PANEL CONTROLSD Speaker/Channel Input Indicators: These indicators are multipurpose, indicating either the speaker type selected for each channel or the incoming data-signal configuration. The left, center, right, right surround and left s

24、urround speaker indicators are composed of three boxes, while the subwoofer is a single box. The center box lights when a “Small” speaker is selected, and the two outer boxes light when “Large” speakers are selected. When none of the boxes are lit for the center, surround or subwoofer channels, no s

25、peaker has been selected for that position. (See page 20 for more information on configuring speakers.) The letters inside each of the center boxes display active input channels. For standard analog inputs, only the L and R will light, indicating a stereo input. When a digital source is playing, the

26、 indicators will light to display the channels being received at the digital input. When the letters flash, the digital input has been interrupted. (See page 31 for more information on the Channel Indicators).NOTE: When you have reassigned the surround back speakers to the remote zone using the MULT

27、I ROOM SETUP menu, the boxes that indicate the presence of the surround back speakers will automatically disappear, reflecting the fact that the main listening area is now configured for 5.1-channel operation. (See page 33 for more information on reassigning the surround back speakers for multiroom

28、use.)E Surround Modes: Press this button to select a surround sound (e.g.,multichannel) mode. The Surround Modes menu will appear on screen, and the menu line will appear on the lower line of the front-panel display. Use the front-panel or remote KL Buttons to highlight a different menu line: Auto S

29、elect, Virtual Surround, Stereo, Movie, Music or Video Game. Each line represents a type of audio signal, and is set to the surround mode the AVR will automatically select when it detects the audio signal. You may manually select a different mode for each type of audio. Press the OK Button when the

30、menu line is highlighted, and the available surround mode options for the current signal will appear. Use the KL Buttons to select the desired mode, and press the OK Button to engage it. Press the Back/Exit Button to exit the Surround Modes menu and display the next higher menu in the hierarchy. See

31、 the Advanced Functions section for more information on surround modes.F Back/Exit: Press this button to return to the previous menu. When the main AVR menu is displayed, press this button to exit the menu system.G Digital Optical Front Input: Connect the optical digital audio output of an audio or

32、video product to this jack.H Digital Coax Front Input: This jack is normally used for connection to the output of portable digital audio devices, video game consoles or other products that have a coax digital jack.I Video Front Input Jacks: These audio/video jacks may be used for temporary connectio

33、n to video games or portable audio/video products such as camcorders and portable audio players.J Source List: Press this button to select a source device, which is a component where a playback signal originates, e.g., DVD.harman/kardonAVR 260/230 Service ManualPage 4 of 1316CompositeAnalogAVRInfoRe

34、solutionAudio EffectsVideo ModesSurround ModesBack/ExitSource ListMNLKOK260BCD216789AE45JIGH3F54FRONT-PANEL CONTROLS0 Volume Control: Turn this knob clockwise to increase the volume, counterclockwise to decrease the volume. If the AVR is muted, adjusting volume control will automatically release the

35、 unit from the silenced condition.1 System Power Control: When the Main Power Switch on the rear panel is “ON,” press this button to turn on the AVR; press it again to turn the unit off (to Standby). Note that the Power Indicator 2 will turn white when the unit is on.2 Power Indicator: This LED will

36、 be illuminated in amber when the unit is in the Standby mode to signal that the unit is ready to be turned on. When the unit is in operation, the indicator will turn white.3 Headphone Jack: This jack may be used to listen to the AVRs output through a pair of headphones. Be certain that the headphon

37、es have a standard 6,3 mm stereo phone plug. Note that the speakers will automatically be turned off when the headphones are connected. When configuring your system using EzSet/EQ, the calibration microphone should be plugged into this jack using the supplied adaptor that converts the small mini-plu

38、g at the end of the microphones cord to a 6,3 mm plug.4 Navigation: These buttons are used to navigate the AVRs menus and to operate the tuner.5 OK Button: Press this button to select the currently highlighted item.6 AVR Settings Button: Press this button to access the AVRs main menu.7 Info Settings

39、 Button: Press this button to directly access the AVRs Setup Source submenu, which contains the settings for the current source.8 Resolution: Pressing this Button once and then using the KL Buttons 4 changes the AVRs video output resolution to these settings: 576i, 576p, 720p, 1080i or 1080p. The AV

40、R is set to default to 576i when first switched on, or if you reset it later. This resolution has been chosen to ensure that the On Screen Display information is visible on your TV even with analog S-Video or Composite (CVBS) signals. Having selected the best resolution for your system, confirm with

41、 the OK Button 5. The Front Panel Display now shows Res Change, Cancel. If you press OK now, or do nothing for 20 seconds, the AVR returns to normal play mode. To confirm the new resolution, press the L Button 4, which changes the Display from Cancel to Accept, then press the OK Button 5. The new re

42、solution is now in use.9 Audio Effects: Press this button to directly access the Audio Effects submenu, which allows adjustment of the tone and other controls. See the Initial Setup section for more information.A Video Modes: Press this button for direct access to the Video Modes submenu, which cont

43、ains settings that may be used to improve the picture if necessary after you have adjusted the picture settings using the video display or TV.B Remote Sensor Window: The sensor behind this window receives infrared signals from the remote control. Aim the remote at this area and do not block or cover

44、 it unless an external remote sensor is installed.C Main Information Display: This display delivers messages and status indications to help you operate the receiver.harman/kardonAVR 260/230 Service ManualPage 5 of 1319ENGLISHREAR-PANEL CONNECTIONSC RS-232 Reset: This switch is only used during a sof

45、tware upgrade. A standard processor reset is performed by pressing and holding the front-panel OK Button while the receiver is in Standby.D Front Speaker Outputs: Connect these outputs to the matching + or terminals on your left and right speakers. In conformance with the new CEA color code specific

46、ation, the White terminal is the positive, or + terminal that should be connected to the red (+) terminal on Front Left speaker with the older color coding, while the Red terminal is the positive, or + terminal that should be connected to the red (+) terminal on Front Right speaker. Connect the blac

47、k () terminals on the AVR to the black () terminals on the speakers. See page 15 for more information on speaker polarity.E Center Speaker Outputs: Connect these outputs to the matching + and terminals on your center channel speaker. In conformance with the new CEA color code specification, the Gree

48、n Terminal is the positive, or + terminal that should be connected to the red (+) terminal on speakers with the older color coding. Connect the black () terminal on the AVR to the black negative () terminal on your speaker. (See page 15 for more information on speaker polarity.)F Surround Speaker Ou

49、tputs: Connect these outputs to the matching + and terminals on your surround channel speakers. In conformance with the new CEA color code specification, the Blue terminal is the positive, or + terminal that should be connected to the red (+) terminal on the Surround Left speaker with older color co

50、ding, while the Gray terminal should be connected to the red (+) terminal on the Surround Right speaker with the older color coding. Connect the black () terminal on the AVR to the matching black negative () terminals for each surround speaker. (See page 15 for more information on speaker polarity.)