Kenwood-RXDV-323-Service-Manual电路原理图.pdf

MINI HiFi COMPONENT SYSTEMRXD-V323/LS-N323SERVICE MANUAL(XD-V323)©1999-7/B51-5557-00 (K/K) 35270%In compliance with Federal Regulations, following are repro-ductions of labels on, or inside the product relating to laserproduct safety.KENWOOD-Crop. certifies this equipment conforms to DHHSRegulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.DANGER : Laser radiation when open and interlockdefeated.AVOID DIRECT EXPOSURE TO BEAMRefer to RXD-251 service manual (B51-5454-00),if require to know the mechanism operationdescription in detail.DISC SKIPDISC3DISC2DISC1INPUTBANDPHONESEX.BASSTUNING MODEMULTI CONTROLMENUSELECTDISPLAYENTERDEMOON/STANDBYTAPE A/BREC/ARMVOLUMEAPLAYREC/PLAYBOPEN/CLOSE button(K29-7646-08)Front window(A29-1083-08)POWER button(K29-7715-08)Knob (JOG)(K29-7658-08)MIC volume knob(K29-7713-08)MIC jack(E11-0387-08)STOP button(K29-7654-08)Cassette window L(B10-3527-08)CD door(A60-1751-08)Knob (VOLUME)(KK29-7652-08)Headphone jack(E11-0943-08)TUNING button assy(K29-7643-08)Control plate(A22-1831-08)PLAY button(K29-7656-08)Cassette window R(B10-3528-08)Cassette door R(A53-2159-08)Front panel(A60-1722-18)DISC button base assy(K29-7641-08)PLAY/PAUSE button(K29-7648-08)EX.BASS button assy(K29-7642-08)Cassette door L(A53-2158-08)RXD-V3232CONTENTS / ACCESSORIES / CAUTIONSFM indoor antenna (1)AM(T90-0815-08)loop antenna (1)AC(E03-0115-05) plug adaptor (1)Remote(A70-1321-08) : RC-V323 control unit (1)Batteries (R6/AA) (2)Use to adapt the plug on the power cordto the shape of the wall outlet.(Accessory only for regions where use isnecessary.)(T90-0847-08)Operation to resetThe microcomputer may fall into malfunction (impossibility to oper-ate, erroneous display, etc.) when the power cord is unpluggedwhile power is ON or due to an external factor. In this case, executethe following procedure to reset the microcomputer and return it tonormal condition.Press the “POWER“ key while holding the Stop (7) key ofthe CD section pressed, to switch off the power, and thenswitch the power on again after a few seconds.Please note that resetting the microcomputer clears the contentsstored in and returns and to condition when it left the factory.CONTENTS / ACCESSORIES / CAUTIONS.2EXTERNAL VIEW.3BLOCK DIAGRAM.4CIRCUIT DESCRIPTION.5ADJUSTMENT.8PC BOARD.11SCHEMATIC DIAGRAM.17EXPLODED VIEW.31PARTS LIST.33SPECIFICATIONS.Back coverContentsAccessoriesCautions System configurationSYSTEMMAIN UNITSPEAKERXD-V323RXD-V323Tape speedMTT-111TCC-100 SCC-1727 3 kHz, -4 dB(A)PLAYSFR201Adjust so that Frequency is 3 kHz at the center of the tape.OscilloscopeFrequency counterAC voltmeterPIN8PIN13Lch: PIN13Rch: PIN8IC401(A)MAIN UNITINSTRUMENTS CONNECTIONCASSETTE DECK 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POWER-Apply the sensor sectionof optical power meteron the pickup lens.-On the power from0.08 to 0.15 mW,when the diffractiongrating is correctlyaligned with the RFlevel of 0.6 Vp-p ormore.Press thePLAY/PAUSE key.PickupNote:Type 4 disc : SONY YEDS-18 Test Disc or equivalent.(KTD-0)0.080.15 mWOptical power meter(a) Laser powerCD 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