HarmanKardon-FL8380-cd-sm维修电路原理图.pdf

harman/kardon Model FL8380 5 Disc Compact Disc Changer SERVICE MANUAL CONTENTS LASER BEAM SAFETY PRECAUTIONS .2 OTHER PRECAUTIONS . 3 SPECIFICATIONS . 4 FRONT PANEL CONTROLS. . . 6 REAR PANEL CONNECTIONS. 7 REMOTE CONTROL FUNCTIONS.8 INSTALLATION/CONNECTIONS.10 OPERATION. 11 BASIC TROUBLESHOOTING . . 13 TEST PROCEDURE. 14 CIRCUIT DESCRIPTION. . . 17 BLOCK DIAGRAM .21 GENERAL UNIT EXPLODED VIEW I, II . .22 TECH TIP HKTT2003-06 26 DETAILED TROUBLESHOOTING 27 SEMICONDUCTOR IDENTIFICATION. 33 PRINTED ClRCUlT BOARDS . . 59 ELECTRICAL PARTS LIST . 61 MECHANICAL PARTS LIST . 63 SCHEMATIC DIAGRAMS. 68 PACKAGE .72 harman/kardon, Inc. 250 Crossways Park Dr. Woodbury, New York 11797 Rev1 11/2003 RadioFans.CN LASER BEAM SAFETY PRECAUTIONS CLASS 1 LASER PRODUCT CAUTION Invisible laser radiation when the unit is open. Do not stare into beam. CAUTION: USE OF ANY CONTROLS, ADJUSTMENT, OR PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE. Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin. This compact disc player uses a pickup that emits a laser beam. The laser beam is emitted from the location shown in the figure. When checking the laser diode, be sure to keep your eyes at least 1 foot away from the pickup lens when the diode is turned on. Do not look directly at the laser beam. CAUTION: Using controls and adjustment, or doing procedures other than those specified herein, may result in hazardous radiation exposure. 2 FL8380 RadioFans.CN SAFETY PRECAUTIONS This symbol is intended to alert the user to the presence of uninsulated dangerous voltage within the products enclosure that may be of sufficient magnitude to consti- tute a risk of electric shock to persons. This symbol is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance. Caution:To prevent electric shock do not use this (polarized) plug with an extension cord, recep- tacle or other outlet unless the blades can be fully inserted to prevent blade exposure. Attention: Pour prevenir les chocs electriques ne pas utiliser cetre fiche polarisee avec un prolongateur, une prise de courant ou une au- tre sortie de courant, sauf si les lames prevent etre inserees a fond-sans en laisser aucune partie a decouvert. HANDLING LASER PICKUP The laser diode in the optical system of this player can be damaged by electrostatic discharge from your clothes or your body. Proper electrostatic grounding for service personal is required during servicing. BEFORE REPAIRING THE COMPACT DISC PLAYER Preparation Human Body Grounding: Many of the components used in this compact disc player, including the laser pickup, are sensitive to electrostatic discharge. Service personal should be grounded with an electrostatic armband (1 Mohm). Caution: Static charge on clothing does not escape through a body grounding wrist band. Be careful not to contact the pickup or electrical components with your clothing. Workbench and Tool Grounding: A properly-grounded electroconductive plate (1Mohm) or metal sheet should be fitted to the workbench surface. Tools and instruments (such as soldering irons and scopes) should be grounded to prevent AC leakage. Note: Laser diodes are so susceptible to damage from static electricity that, even if a static discharge does not ruin a diode, it can shorten its life or cause it to work improperly. WARNING To prevent fire or shock hazard, do not expose the unit to rain or moisture. 3 FL8380 RadioFans.CN 4 Technical Specifications Signal Format Sampling Frequency44.1kHz HDCD ProcessingBurr-Brown PCM1732 D/A ConversionDual 18-Bit Oversampling8 Times Discrete Analog Output Section Error CorrectionCIRC System Frequency Response20Hz 20kHz +0, 1dB Total Harmonic Distortion (THD)97dB Signal-to-Noise Ratio97dB Channel Separation80dB Line-Level Output1.0V RMS Digital OutputCoax General Power Requirement120V/60Hz Power Consumption20 Watts Dimensions Height5.1 (129mm) Width17.3 (440mm) Depth15.2 (386mm) Weight16.7 lbs (7.6kg) Depth measurement includes knobs and buttons. Height measurement includes feet and chassis. All features and specifications are subject to change without notice. Harman Kardon is a registered trademark, and Power for the digital revolution is a trademark, of Harman Kardon, Inc. , HDCD, High Definition Compatible Digitaland Pacific Microsonicsare either registered trademarks or trade- marks of Pacific Microsonics, Inc., in the United States and/or other countries. HDCD system manufactured under license from Pacific Microsonics, Inc.This product is covered by one or more of the following: In the USA: 5,479,168; 5,638,074; 5,640,161; 5,808,574; 5,838,274; 5,854,600; 5,864,311; 5,872,531; and in Australia: 669114. Other patents pending. FL8380 GENERAL INFORMATION 1. Power ConsumptionOperating <18W; Standby <5W 2. Power Super230V AC 50Hz or 120V AC60Hz 3. Dimensions440 x 130 x 386mm 4. Product OutlookRefer to attached diagram 5. Remote Unit harman/kardon remote code 6. Compliance Requirement i EMC EN55013, EN61000-3-2, EN61000-3-3, EN55022 ii. CE (LVD EN60065) iii. NRTL/C iv. HDCD 7. Disc Changer Mechanism5 disc carousel; Play 1 change 4 8. Sound ProcessorHDCD 9. CD Servo SystemDigital Servo, Auto Alignment AUDIO SPECIFICATION Typical Limit Output Level 1KHz 0dB (no HDCD)1.0 Vrms+-1dB Output Level 1KHz 0dB (HDCD output)2.0Vrms +- 2dB Frequency Response 20Hz20KHz reference+0-1dB+0.5-1.5dB THD 1KHz 0dB (30KHz Filter)0.01%0.05% THD 1KHz 0dB (no any filter)0.03%0.08% THD 20Hz20KHz 0dB (30KHz Filter)0.04%0.05% S/N 1KHz 0dB A-weighted (A Filter)97dB93dB Dynamic Range95dB90dB Channel Separation 1KHz 0dB(30KHz Filter)85dB80dB Channel Balance+-0.5dB+-1.5dB De-emphasis (5KHz,16KHz)+-0.5dB+-1.5dB Headphone output specification under 32 ohm load Maximum Headphone Output Level 1KHz 0dB1.5Vp-p+-0.2V Frequency Response (2020KHz)+-1dB+-1.5dB THD 2020KHz 0dB (30KHz Filter)0.1%0.2% FL8380 5 6 1 Power Switch: Press this switch to apply power to the FL 8380.When the FL 8380 is first turned on by pressing this switch, the Status Mode Indicator 2 will turn green, and the Information Display # will light. Press the switch again to turn the unit off; the Status Mode Indicator 2 will turn amber, indicating that the unit is in a Standby mode. When the FL 8380 is connected to a switched AC outlet, such as those found on the back of many audio products, it will return to the Standby mode when power is applied to the switched outlet without any further press of the switch. 2 Status Mode Indicator: When the FL 8380 is in the On mode, this indicator will glow green.When the unit is off, the indicator will glow amber, indicating that the unit is still connected to the AC main supply. 3 Headphones Jack: Connect a set of stan- dard headphones to this jack for private listening. 4 Headphones Level Control:Turn this knob to increase or decrease the volume level for headphones connected to the FL 8380s Headphones Jack 3. Note that changing this level will not change the sound level for the units main output, as that remains constant. 5 CD Drawer: This drawer holds the discs that will be played. Press the Open/Close but- ton 6 to open the drawer so that discs may be inserted. 6 Open/Close Button: Press this button to open or close the disc drawer. DO NOT push the drawer to close it or damage to the transport mechanism may result. 7 Search Button: Press one side of this but- ton to search forward or the other side of the button to search backwards through a disc to locate a particular portion of the disc being played. 8 Skip Button: Press one side of this button to move to the next track or the other side of the button to move back to the previous track fi fi on the disc being played. 9 Stop Button: Press this button to stop the disc currently being played. (See page 11 for more information.) ) Play/Pause Button: Press this button to start the playback of a CD. If the CD drawer is open, pressing this button will automatically close the drawer. Press this button once during play to momentarily pause a disc.When the button is pressed again, the disc will resume play at the point it was paused. ! Disc Skip Button: Press this button to change to the next disc. If a disc position is empty, the FL 8380 will automatically search for the next position that contains a disc. Disc Select Buttons: Press one of these buttons to select the disc in a specific position in the CD drawer. # Information Display: This display provides details about the operation of the FL 8380. $ Remote Sensor: The sensor behind this window receives commands from the remote control. Keep this area clear if you wish to use the FL 8380 with a remote control. Front Panel Controls 23 45 7 8 9)!#$ 61 FL 8380 PowerPhonesPhones Level PLAY/PAUSE 123 45DISK SKIP STOP SEARCHSKIP? ? 1 Power Switch 2 Status Mode Indicator 3 Headphones Jack 4 Headphones Level Control 5 CD Drawer 6 Open/Close Button 7 Search Button 8 Skip Button 9 Stop Button ) Play/Pause Button ! Disc Skip Button Disc Select Button # Information Display $ Remote Sensor FL8380 Rear Panel Connections DIGITAL OUTPUT AUDIO OUTPUT LEFT RIGHT REMOTE INOUT SERIAL NO. AC INPUT AC 117V / 60Hz 20W MODEL NO.: FL 8380 HARMAN KARDON NORTHRIDGE CALIFORNIA, U.S.A. MADE IN CHINA PRODUCT COMPLIES WITH DHHS RULES 21 CFR SUBCHAPTER J. APPLICABLE AT DATE MANUFACTURED: SHOCK HAZARD: DO NOT OPEN WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. This device complies with part 1.5 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and, (2) this device must accept any interference received, including interference that may cause undesired operation. HDCD and High Definition Compatible Digital are registered trademarks of Pacific Microsonics, Inc. AVIS: RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR CAUTIONCAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CLASS 1 LASER PRODUCT LR46800 CAN/CSA-C22.2 No. 1-98 UL 1270 ? AC Power Cord: Connect this plug to an AC outlet. If the outlet is switch-controlled, make certain that the switch is in the ON position. Coaxial Digital Output: Connect this jack to the coaxial-digital input of a digital audio/video receiver or an external digital-to- analog converter for direct access to the digital signals of the FL 8380.DO NOT connect this jack to the standard audio inputs of any device. Remote Control Output: Connect this jack to the input of another compatible Harman Kardon remote controlled device to have the remote sensor on the FL 8380 provide signals to other products. Remote Control Input: Connect the output of a remote infrared sensor or the remote control output of another compatible Harman Kardon product.This will enable the remote control system to operate even when the front panel Remote Sensor $ is blocked. It will also allow use of the FL 8380 with optional, external control systems. Analog Audio Outputs: Connect these jacks to the analog CD audio inputs of your receiver, surround processor or preamplifier. 7 AC Power Cord Coaxial Digital Output Remote Control Output Remote Control Input Analog Audio Outputs FL8380 8 FL 8380 SKIP SEARCHRANDOM PROGRAMTIME INTRO REPEAT + DISC NO. 0 456 321 345 21 789 CLEAR TRACK NO. b c a d e f g h i j k l m nnnnnnn o nnnnnn DISC SKIP POWER OFFON p a Disc-Select Buttons b Numeric Buttons c Clear Button d Search Buttons e Skip Buttons f Stop Button g Play Button h Random Button i Pause Button j Program Button k Time Button l Intro Button m Repeat Button n Disc Skip Buttons o Power On Button p Power Off Button Remote Control Functions FL8380 9 Remote Control Functions a Disc-Select Buttons: Press one of these buttons to select the disc in a specific position in the CD drawer. b Numeric Buttons: Press these buttons to select a specific track on a disc.The FL 8380 will immediately go to the track and begin to play it.These buttons are also used to enter track numbers into the memory for prepro- grammed-play lists. (See page 13 for complete information on programming the FL 8380.) c Clear Button: Press this button to remove tracks from a programmed sequence. Each press of the button will remove one track, starting with the last track programmed to play. (See page 13 for complete information on pro- gramming the FL 8380.) d Search Buttons: Press these buttons to search forward or backwards through a disc to locate a particular portion of the selection being played. e Skip Buttons: Press one of these buttons to move to the next track or to move back to the previous track on the disc being played. f Stop Button: Press this button to stop the disc currently being played. g Play Button: Press this button to start the playback of a CD. If the CD drawer is open, pressing this button will automatically close the drawer. h Random Button: Press this button to play all of the tracks on a disc in a random order. (See page 11 for more information.) i Pause Button: Press this button once to momentarily pause a disc.When the button is pressed again, the disc will resume play from the point at which it was paused. j Program Button: This button is used to program the playback of a disc in a particular order. (See page 13 for complete instructions on programming the FL 8380.) k Time Button: In normal operation, the display will show the running time of the track being played. Press the button once to check the time remaining for the track in play. Press the button again to view the total play time remaining for the disc in play. l Intro Button: Press this button to put the FL 8380 into the Intro Scan mode.When you press this button,the unit will play the first 10 seconds of each track on the disc,and then move to the next track.Press the button again to defeat the function and continue full play of the current track.(See page 12 for more information.) m Repeat Button: Press this button once to continuously repeat the track currently being played.Press it a second time to repeat the entire disc.(See page 13 for more information.) n Disc Skip Buttons: Press these buttons to change to the next disc.If a disc position is empty, the FL 8380 will automatically search for the next position that contains a disc. o Power On Button: When the FL 8380 is plugged into an active AC outlet,press this button to turn the unit on.The Status Mode Indicator 2will turn green.If the unit is plugged into a switched outlet,power must be applied to the switched outlet in order for the Power On button o to be effective. p Power Off Button: Press this button to turn the unit off;the Sta