Kenwood-KRFX-9992-D-Service-Manual电路原理图.pdf
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1、PHONESINPUT SELECTORVOLUMEMPEGCinema Re-EQDOLBY DIGITALCLIP INDICATORPOWERON/STANDBYABSPEAKERSMUTEDOWNUPDISPLAY MODES VIDEOVL-AUDIO-RCD2 / TAPE2MONITORONOFFAV AUXSYSTEMCONTROLFRONT SPEAKERS(4-16 )CENTER SPEAKER(4-16 )SURROUND SPEAKERSDIGITAL INDIGITAL OUTVIDEO 2COAXIALVIDEO 3COAXIALVIDEO 4OPTICALCD
2、1OPTICALOPTICALSL 16XS 8(SL 16)(XS 8)(4-16 )SWITCHED TOTAL90W MAX.LRALRLCRBSL 16TEXTLRRANTENNAAM-FM 75GNDCD1PHONOMD/ TAPE1RECOUTPLAYINRECOUTPLAYINPLAY INPLAY INCD2 /TAPE 2MONITORMONITOR OUTFRONTFRONTSURROUNDSURROUNDCENTERCENTERSUBWOOFERSUBWOOFERLLRLRVIDEOS VIDEOPRE OUTVIDEO4 6CH. INPUTAUDIOVIDEO 3 V
3、IDEO 4PLAY INVIDEO 2VIDEO 1LRAUDIOPLAY IN RECOUT+-6CH2CHVIDEO 4INPUTKnob(K27-2248-04)AC power cord*(E30-)AC outlet*(E03-)Phono jack (E63-1069-05)Miniature Phone jack (E11-0374-05)Phono jack(E63-1030-05)Panel(A60-1649-12)Knob (K29-6858-12)Knob (K29-6855-03)Knob (K29-6855-03)Knob (K29-6852-04)Phono ja
4、ck(E63-1071-05)Slide switch(S62-0034-05)Front glass (B10-2418-03)Indicator(B12-0326-04)Front glass (B10-3503-03)Screw terminal board(E70-0095-05)Screw terminal board(E70-0096-05)Miniature phone jack (E11-0360-05)*Refer to parts list on page44.This manual is available for repair in the Europe and Eng
5、land markets. Please refer to the original manual (B51-5560-00) if need the information in the USA and Canada and other markets.Cylindrical receptacle(E56-0019-05)Cylindrical receptacle(E56-0020-05)Phono jack(E63-1055-05)x3Power cord bushing(J42-0083-05)Oscillating module(W02-1114-15)Phono jack (E63
6、-1054-05)Cylindrical receptacle(E56-0012-05)Phone jack(E11-0271-05)Indicator (B12-0333-04)AUDIO VIDEO SURROUND RECEIVERKRF-X9992D/X9992DESERVICE MANUAL1999-8/B51-5564-00 (K/K) 165370%Cylindrical receptacle(E56-0019-05)Optical receiving module(W02-1181-05)Phono jack (E63-1039-05)Phono jack (E63-1056-
7、05)Phono jack (E63-1070-05)Lock terminal board(E70-0052-05)Phono jack(E63-1040-05)KRF-X9992D(K) COVER1,1P( 99.11.1 6:53 PM yW1KRF-X9992D/X9992DE2CONTENTS / ACCESSORIES / CAUTIONSCONTENTS / ACCESSORIES / CAUTIONS.2ADJUSTMENT.3PARTS DESCRIPTIONS.4PC BOARD.5SCHEMATIC DIAGRAM.13EXPLODED VIEW.43PARTS LIS
8、T.44SPECIFICATIONS.Back coverContentsFM (T90-0841-05) indoor antenna (1)Remote (A70-1290-05)(RC-R1007)Battery cover(A09-1130-08)control unit (1)Loop antenna stand (1)Batteries(R6/AA) (4)AM loop antenna (1) (T90-0833-05)(J19-3645-05)How to reset the microcomputerThe microcomputer may malfunction (imp
9、ossibility of operation,erroneous display, etc.) when the power cord is unplugged andplugged in again while the unit is in ON mode or due to otherexternal causes. In this case, execute the procedure on the right toreset the microcomputer and return the unit to the normal condi-tion. CRResetting the
10、microcomputer clears the memory you entered andreturns it to the initial condition when the unit left the factory.1With the power cord plugged in, turn the POWER key toOFF.2While holding down the (ON/STANDBY) key, pressthe POWER key.Please note that the following items will be deleted fromthis units
11、 memory if the power cord is disconnectedfrom the AC outlet for approximately three days.Memory backup functionCRThe frequency setting is cleared and 87.5 MHz is selected.CRThe preset station memory is cleared.CRThe surround setting is cleared and reset to the initial condition.CRThe input selection
12、 is cleared and the “Tuner”input is selected.CRThe volume setting is cleared and the volume is set to “-66 dB”.CRThe receiving band setting is cleared and the “FM”band isselected.AccessoriesCautionsKRF-X9992D(K) COVER1,1P( 99.11.1 6:53 PM yW23ADJUSTMENTKRF-X9992D/X9992DENo.ITEMINPUTSETTINGSOUTPUTSET
13、TINGSRECEIVERSETTINGSALIGNMENTPOINTSALIGN FORFIG.1DISCRIMINATOR(A)98.0MHz 1kHz,40kHz dev.70dBf (ANT. input)Connect aDC voltmeterbetween CN12 1and CN12 2(X11)MONO98.0MHzL604(X11)0V(a)2DISTORTION(MONO)(A)98.0MHz 1kHz,40kHz dev. MONO70dBf (ANT. input)(B)MONO98.0MHzL605(X11)Minimumdistortion(a)3DISTORTI
14、ON(STEREO)(C)98.0MHz 1kHz,40kHz dev.Selector : L or R Pilot: 6kHz dev.70dBf (ANT. input)(B)AUTO98.0MHzIFT(RFFRONTEND: A601)Minimumdistortion (Lor R)(a)4TUNING LEVEL(A)98.0MHz MONO1kHz, 40kHz dev.25dBf (ANT. input)(B)MONO98.0MHzVR601(X11)Adjust VR601and stop at thepoint where ED1(TUNED) goeson.(a)FM
15、SECTION : SELECTOR : FM *Adjust NO.1 and NO.2 repeat.AUDIO SECTION SPEAKER : A PREOUT : OFF PROLOGIC : ONIDLE CURRENTConnect a DC voltmeter across CN1 (each port)1, 2 pin : L5, 6 pin : R3, 4 pin : SL7, 8 pin : SR9, 10 pin : C(FRONT 2chMODE)Volume:0VR1(L)VR2(R) VR3(SL) VR4(SR)VR5(CENTER)(X07-)10mVSYS
16、TEMCONTROLFRONT SPEAKERS(4-16 )CENTER SPEAKER(4-16 )SURROUND SPEAKERSDIGITAL INVIDEO 2COAXIALVIDEO 3COAXIALVIDEO 4OPTICALCD 1OPTICALSL 16XS 8(SL 16)(XS 8)(4-16 )SWITCHED TOTAL90W MAX.LRALRLCRBSL 16TEXTLRRANTENNAAM-FM 75GNDCD1PHONOMD/ TAPE1RECOUTPLAYINRECOUTPLAYINPLAY INPLAY INCD2 /TAPE 2MONITORMONIT
17、OR OUTFRONTFRONTSURROUNDSURROUNDCENTERCENTERSUBWOOFERSUBWOOFERLLRLRVIDEOS VIDEOPRE OUTVIDEO4 6CH. INPUTAUDIOVIDEO 3 VIDEO 4PLAY INVIDEO 2VIDEO 1LRAUDIOPLAY IN RECOUT+-6CH2CHVIDEO 4INPUT(A)(B)(C)FM SGFM SGAGMPXAGAC voltmeterDummy antennaOscilloscopeDistortion meterSYSTEM CONNECTIONSKRF-X9992D(K) COVE
18、R1,1P( 99.11.1 6:53 PM yW524PARTS DESCRIPTIONSDEKRF-X9992D/X9992DEKRF-X9992D(K) COVER1,1P( 99.11.1 6:53 PM yW53ABDFHJCEGI2 1357 46Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD (Component side view)65X07-293X-XX A/8 (J70-1152-11)CENTERSPEAKERSURROUNDSPEAKERSLRBAFRO
19、NT SPEAKERSLR LRBBEEEEBBBBEEEEBBBBEEEEEBBBBEEEBB129BEBEX07H/8X07G/81313X07 E/8X07 B/8X07 D/8IGOEBX07C/8BE12AC OUTLET16EBBEBEBEBEEB110EBEBEBEBEBBEBEBEBEEBBEBE1316EB115EBEBEBEBBEBE13EBBEEEBB1313POWERKRF-X9992D(K) PCBSD1,2P( 99.11.1 7:03 PM yW1KMOQSLNPRT2 1357 46Refer to the schematic diagram for the v
20、alue of resistors and capacitors. PC BOARD (Component side view)78D12Q10Q9D10D14D2D1D7D8D13D9D35D34Q51Q52Q48Q47Q46Q45D32Q34Q32Q33D18Q11Q31Q49Q50D11R145R144R159R151R152R157R158R153R154R155R100R106R133R134R142 R143R139R140R124R127R131R132R130R128R129R210R211R208R209R212R235R236R239R242R243R240R241R229
21、R226R227R230R234R231R232R183 R181R182R188R189R172R180R178R206R207R192R193R190R191R194R195R5R6R3R4R7R8R27R21R22R20R26R23C11C13C16C18C14C31C33R2C40C41C24C19C20C29C30C26R95R85R87 R86R82 R84 R83R98R97R67 R68R89R88R96R90R73R74R71R72R77R78R75R76R94R93R80R79R92 R91R50R61R62R59R60R65R66R63R53R54R51R52R58L39
22、L41C15C281R48L40R324R319R560R565R566R564R567R466C238C237R467C199R461 R459C241 C233 R465R468R469R434C198C212C211R435C197R428R429 R427R426C215C216C207C208R433R432R436R437C141C188 C189R408R409R402R403R401R400R450C195R562C109R399C183C80C78C81C79R505C149C151C148C150 C144C143R314R313R312R504R509R373R374 R
23、370C76R301C178C72C71C67C68C70R394R396R395R393C175C61C63C176 L34 C62L33C177C179R389L42C64R410R413R411R412R444R398R443R442R415R416R417C73C75R507R506R569R303C173R392C69R360C119C118C124 C117C116C115C120R347R343R340R336C130C128C129C133 C134R361C276C125C126C127C123C222C250C228R363R364R362C132C135C122C156L
24、27L26C247R561C139C275C154R545R356L35C226C225R387L32C167L31C166R380R381R383R382R376R378R377C155R379R386R384R385C35C36R523R522R530R524R525R526R527R521R528R529R531R532R538R536R537R534R533R535R543R542R541R540R539R544R349R351R354R355R353C248C249R245R511C131R546R573C287C278C277C28R329C104C102R328R327C85R3
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