Kenwood-KRFX9992D-avr-sm 电路图 维修手册.pdf

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1、PHONES INPUT SELECTOR VOLUME MPEGCinema Re-EQDOLBY DIGITALCLIP INDICATOR POWER ON/STANDBY A B SPEAKERS MUTE DOWNUP DISPLAY MODE S VIDEOVL-AUDIO-R CD2 / TAPE2 MONITOR ON OFF AV AUX SYSTEM CONTROL FRONT SPEAKERS (4-16 ) CENTER SPEAKER (4-16 ) SURROUND SPEAKERS DIGITAL INDIGITAL OUT VIDEO 2 COAXIAL VID

2、EO 3 COAXIAL VIDEO 4 OPTICAL CD 1 OPTICAL OPTICAL SL 16XS 8 ( SL 16 )( XS 8 ) (4-16 ) SWITCHED TOTAL 90W MAX. LR A LRL C R B SL 16 TEXT LR R ANTENNA AM -FM 75 GND CD1 PHONO MD/ TAPE 1 REC OUT PLAY IN REC OUT PLAY IN PLAY IN PLAY IN CD2 / TAPE 2 MONITOR MONITOR OUT FRONT FRONT SURROUND SURROUND CENTE

3、R CENTER SUB WOOFER SUBWOOFER L LR LR VIDEOS VIDEO PRE OUTVIDEO4 6CH. INPUT AUDIO VIDEO 3 VIDEO 4 PLAY IN VIDEO 2 VIDEO 1 LRAUDIO PLAY IN REC OUT + - 6CH 2CH VIDEO 4 INPUT Knob (K27-2248-04) AC power cord* (E30-) AC outlet* (E03-) Phono jack (E63-1069-05) Miniature Phone jack (E11-0374-05) Phono jac

4、k (E63-1030-05) Panel (A60-1649-12) Knob (K29-6858-12) Knob (K29-6855-03) Knob (K29-6855-03) Knob (K29-6852-04) Phono jack (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

5、-0096-05) Miniature phone jack (E11-0360-05) *Refer to parts list on page44. This manual is available for repair in the Europe and England 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)

6、Cylindrical receptacle (E56-0020-05) Phono jack (E63-1055-05)x3 Power cord bushing (J42-0083-05) Oscillating module (W02-1114-15) Phono jack (E63-1054-05) Cylindrical receptacle (E56-0012-05) Phone jack (E11-0271-05) Indicator (B12-0333-04) AUDIO VIDEO SURROUND RECEIVER KRF-X9992D/X9992DE SERVICE MA

7、NUAL 1999-8/B51-5564-00 (K/K) 1653 70% Cylindrical receptacle (E56-0019-05) Optical receiving module (W02-1181-05) Phono jack (E63-1039-05) Phono jack (E63-1056-05) 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 yW 1 Radio

8、Fans.CN 收音机爱 好者资料库 KRF-X9992D/X9992DE 2 CONTENTS / ACCESSORIES / CAUTIONS CONTENTS / ACCESSORIES / CAUTIONS. 2 ADJUSTMENT. 3 PARTS DESCRIPTIONS . 4 PC BOARD . 5 SCHEMATIC DIAGRAM . 13 EXPLODED VIEW . 43 PARTS LIST. 44 SPECIFICATIONS .Back cover Contents FM (T90-0841-05) indoor antenna (1) Remote (A7

9、0-1290-05) (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 microcomputer The microcomputer may malfunction (impossibility of operation, erroneous display, etc.) when the power cord is u

10、nplugged and plugged in again while the unit is in ON mode or due to other external causes. In this case, execute the procedure on the right to reset the microcomputer and return the unit to the normal condi- tion. ?Resetting the microcomputer clears the memory you entered and returns it to the init

11、ial condition when the unit left the factory. 1With the power cord plugged in, turn the POWER key to OFF. 2While holding down the (ON/STANDBY) key, press the POWER key. Please note that the following items will be deleted from this units memory if the power cord is disconnected from the AC outlet fo

12、r approximately three days. Memory backup function ?The frequency setting is cleared and 87.5 MHz is selected. ?The preset station memory is cleared. ?The surround setting is cleared and reset to the initial condition. ?The input selection is cleared and the “Tuner” input is selected. ?The volume se

13、tting is cleared and the volume is set to “-66 dB”. ?The receiving band setting is cleared and the “FM” band is selected. Accessories Cautions KRF-X9992D(K) COVER1,1P( 99.11.1 6:53 PM yW 2 RadioFans.CN 收音机爱 好者资料库 3 ADJUSTMENT KRF-X9992D/X9992DE No.ITEM INPUT SETTINGS OUTPUT SETTINGS RECEIVER SETTING

14、S ALIGNMENT POINTS ALIGN FORFIG. 1DISCRIMINATOR (A) 98.0MHz 1kHz, 40kHz dev. 70dBf (ANT. input) Connect a DC voltmeter between CN12 1 and CN12 2 (X11) MONO 98.0MHz L604 (X11) 0V(a) 2 DISTORTION (MONO) (A) 98.0MHz 1kHz, 40kHz dev. MONO 70dBf (ANT. input) (B) MONO 98.0MHz L605 (X11) Minimum distortion

15、 (a) 3 DISTORTION (STEREO) (C) 98.0MHz 1kHz, 40kHz dev. Selector : L or R Pilot : 6kHz dev. 70dBf (ANT. input) (B) AUTO 98.0MHz IFT(RF FRONTEND : A601) Minimum distortion (L or R) (a) 4TUNING LEVEL (A) 98.0MHz MONO 1kHz, 40kHz dev. 25dBf (ANT. input) (B) MONO 98.0MHz VR601 (X11) Adjust VR601 and sto

16、p at the point where ED1 (TUNED) goes on. (a) FM SECTION : SELECTOR : FM *Adjust NO.1 and NO.2 repeat. AUDIO SECTION SPEAKER : A PREOUT : OFF PROLOGIC : ON IDLE CURRENT Connect a DC voltmeter across CN1 (each port) 1, 2 pin : L 5, 6 pin : R 3, 4 pin : SL 7, 8 pin : SR 9, 10 pin : C (FRONT 2ch MODE)

17、Volume:0 VR1(L) VR2(R) VR3(SL) VR4(SR) VR5(CENTER) (X07-) 10mV SYSTEM CONTROL FRONT SPEAKERS (4-16 ) CENTER SPEAKER (4-16 ) SURROUND SPEAKERS DIGITAL IN VIDEO 2 COAXIAL VIDEO 3 COAXIAL VIDEO 4 OPTICAL CD 1 OPTICAL SL 16XS 8 ( SL 16 )( XS 8 ) (4-16 ) SWITCHED TOTAL 90W MAX. LR A LRL C R B SL 16 TEXT

18、LR R ANTENNA AM -FM 75 GND CD1 PHONO MD/ TAPE 1 REC OUT PLAY IN REC OUT PLAY IN PLAY IN PLAY IN CD2 / TAPE 2 MONITOR MONITOR OUT FRONT FRONT SURROUND SURROUND CENTER CENTER SUB WOOFER SUBWOOFER L LR LR VIDEOS VIDEO PRE OUTVIDEO4 6CH. INPUT AUDIO VIDEO 3 VIDEO 4 PLAY IN VIDEO 2 VIDEO 1 LRAUDIO PLAY I

19、N REC OUT + - 6CH 2CH VIDEO 4 INPUT (A) (B) (C) FM SG FM SG AG MPXAG AC voltmeter Dummy antenna Oscilloscope Distortion meter SYSTEM CONNECTIONS KRF-X9992D(K) COVER1,1P( 99.11.1 6:53 PM yW 52 RadioFans.CN 收音机爱 好者资料库 4 PARTS DESCRIPTIONS DEKRF-X9992D/X9992DE KRF-X9992D(K) COVER1,1P( 99.11.1 6:53 PM y

20、W 53 ABDFHJCEGI 2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors. PC BOARD (Component side view) 65 X07-293X-XX A/8 (J70-1152-11) CENTER SPEAKER SURROUND SPEAKERS LR BA FRONT SPEAKERS LRLR BBEEEEBBBBEEEEBB BBEEEEEBBBBEEEBB 129 B E B E X07 H/8 X07 G/8 1 3 1 3 X07

21、 E/8 X07 B/8 X07 D/8 IGO EB X07 C/8 B E 12 AC OUTLET 1 6 EB BE BE B E BE EB 110 E B E B E B E B E B BE B E BE BE E B B E B E 13 1 6 EB 1 15 EB E B E B EB B E B E 13 EBBEEEBB 131 3 POWER KRF-X9992D(K) PCBSD1,2P( 99.11.1 7:03 PM y W 1 KMOQSLNPRT 2 1 3 5 7 4 6 Refer to the schematic diagram for the val

22、ue of resistors and capacitors. PC BOARD (Component side view) 7 8 D12 Q10 Q9 D10 D14 D2 D1 D7 D8 D13 D9 D35 D34 Q51 Q52 Q48Q47Q46Q45 D32 Q34 Q32 Q33 D18 Q11 Q31 Q49Q50 D11 R145 R144 R159 R151 R152 R157 R158 R153 R154 R155 R100 R106 R133 R134 R142 R143 R139 R140 R124 R127 R131 R132 R130 R128 R129 R2

23、10 R211 R208 R209 R212 R235 R236 R239 R242 R243 R240 R241 R229 R226 R227 R230 R234 R231 R232 R183 R181 R182 R188 R189 R172 R180 R178 R206 R207 R192 R193 R190 R191 R194 R195 R5 R6 R3 R4 R7 R8 R27 R21 R22 R20 R26 R23 C11 C13 C16 C18 C14 C31 C33 R2 C40 C41 C24 C19 C20 C29 C30 C26 R95 R85 R87 R86 R82 R8

24、4 R83 R98 R97 R67 R68 R89 R88 R96R90 R73 R74 R71 R72 R77 R78 R75 R76 R94 R93 R80 R79 R92 R91 R50 R61 R62 R59 R60 R65 R66 R63 R53 R54 R51 R52 R58 L39 L41 C15 C281 R48 L40 R324 R319 R560 R565 R566 R564 R567 R466 C238 C237 R467 C199 R461 R459 C241 C233 R465 R468R469 R434 C198 C212 C211 R435 C197 R428 R

25、429 R427 R426 C215C216 C207 C208 R433R432 R436R437 C141 C188 C189 R408 R409 R402 R403R401 R400 R450 C195 R562 C109 R399 C183 C80 C78 C81 C79 R505 C149 C151 C148 C150 C144C143 R314 R313 R312 R504 R509 R373 R374 R370 C76 R301 C178 C72 C71 C67 C68 C70 R394 R396 R395 R393 C175 C61 C63 C176 L34 C62 L33 C

26、177 C179 R389 L42 C64 R410 R413 R411 R412 R444 R398 R443 R442 R415 R416 R417 C73 C75 R507 R506 R569 R303 C173 R392 C69 R360 C119 C118 C124C117 C116 C115 C120 R347 R343 R340 R336 C130 C128 C129 C133 C134 R361 C276 C125 C126 C127 C123 C222 C250 C228 R363 R364 R362 C132 C135 C122 C156 L27 L26 C247 R561

27、 C139 C275 C154 R545 R356 L35 C226 C225 R387 L32 C167 L31 C166 R380 R381 R383R382 R376 R378 R377 C155 R379 R386 R384 R385 C35C36 R523 R522 R530 R524 R525 R526 R527 R521 R528 R529 R531 R532 R538 R536 R537 R534 R533 R535 R543 R542 R541 R540 R539 R544 R349 R351 R354 R355 R353 C248 C249 R245 R511 C131 R

28、546 R573 C287 C278 C277 C28 R329 C104 C102 R328 R327 C85 R318 R311 R487 R486 C259 C260 C267 C268 R320 C90 R321 C93 L9 L6 L10 C100 R325 C86 R464 C234 C242 C3 C2 C89C87C91 C180 C282 R326 C101 C103 C84 R458 C94 R483 R482 R480R481 L38 W1 L36 L37 C202 R488 R489 C201 R491R490 C96 R322 C264 C263 R460 C200

29、E B E BE B E BE B E B B E E B E B B E E B B E B E E B R563 R568 C82 R316 R323 C97 E B R1 R146 R163 R164 R165 R160 R161 R162 R169 R170 R171 R166 R167 R168 R150 R147 R148 R149 R156 R114 R115 R113 R111 R112 R116 R120 R121 R119 R117 R118 R103 R104 R102 R101 R105 R109 R110 R108 R107 R136 R137 R135 R138 R

30、141 R125 R126 R122 R123 R219 R220 R217 R218 R215 R216 R213 R214 R228 R233 R184 R185 R186 R187 R174 R175 R173 R176 R179 R177 R201 R202 R199 R200 R203 R204 R205 R197 R198 R196 R99 R13 R14 R11 R12 R17 R18 R15 R16 R9 R10 R33 R19 R25 R24 C23 R81 R69 R70 R49 R57 R55 R56 R330 C108 R221 R238 R41 R42 R39 R40

31、 C280 C279 C284 C285 C283 L4 L5 C7 C99 C98 R492R494R493R495 C272C271 C257 C261C262 R479R478 R476R477 C258 R475R474 R484 R485 R470R472R471R473 C246C245 C231 C235C236 R457 R456 R454R455 C232 R453R452 R462R463 R438R440R439R441 C220C219 C205 C209C210 R425 R424 R422R423 C206 R421R420 R571 R570 L21 L22L23

32、 C190C191 R406 R407 R404 R405 C186 C187 C106 C107 C194 C140 R317 R300 R310 R315 R309 R500 R508 R503 R501 R502 R414 R306 R304 R305 C65 R445 R308 R307 C74 R391 C66 R302 C172 R388 R390 R446 R447 R448 R449 C174 R333 R430 R357 R358 R346 R345 R341 R342 R339 R338 R335 R337 R334 R431 R359 R368 C224 R369 C27

33、3 C274 R365 C136 R510 R366 R367 C223 R559 C137 C138 R558 C4 C163 C162 L29 L28 L30 C158 C159 C161 C160 C164 C165 C230 R350 R348 R352 C121 R553 R552 R551 R554 R555 R556 L3 L2 C6 C5 C39 C38 L8 L7 R547 R246 R572 L43 C288 EB 51 50 30 81 21 20 80 41 16 801 31 100 4061 60 1 1 14 15 1 28 8 9 1 61 1 60 40 7

34、39 6 18 1 32 1617 8021 40 28 1729 20 41 44 7 8 14 1 2 3 1 8 1 14 1 44 12 114 8 7 41 45 7 8 1 16 1 14 33 34 22 2311 9 8 78 41 20 21 80 11 10 40 61 1 60 201 45 81 1 45 8 5 81 4 8 54 18 54 18 5 4 1 8 54 18 54 1 8 5 4 1 8 54 1 148 17 T G R X3 X2 R244 C21 C22 C32 C34 C12 C27 C37 C25 G D B 6ch X58 C157 C2

35、86 C42 X4 C269 C265 C266 C239 C240 C213 C214 C152 C142 R371 C145 C146 C153 R372 R375 C170 C168 C229 C88 C95 C270 C92 C244 C243 C218 C217 C193 C192 C169 C171 C147 C83 C110 X1 1 11 115 1 15 13 test 1 115 GIO I GO IGO 1 15 1 1 5 13 I G O GIO IC4 Q8 D15 D16 IC1 IC3 IC5 IC30 IC28 IC22 IC25 IC29 IC24 IC27

36、 IC26 D17 IC21 IC55 IC54 IC53IC52 IC51 IC50 IC48 IC49 D31 IC23 D33 IC32 IC31 IC37 A4 IC38 IC36 E1 IC2 WH3 CN19 J1 CN13 J2J3 CN17 CN14 CN15 CN12 S1 J4 A2A1A3 CN11 IC34 IC35 IC33 S2 IR CONT. RDS X08-2942-71 (J70-1250-21) IC6 3.3V AVR protection L R C SW Lt Rt LS RS output LPF VIDEO2 COAXIAL INPUT VIDE

37、O3 COAXIAL VIDEO4 OPTICAL OPTICAL CD1 OPTICAL OUTPUT SL16 TEXT SYSTEM CONTROL INPUT VIDEO4 P2 SYSTEM I/O digital SEL sub DSP Format Converter AVR input buffer codec OSC main DSP sub u-com main u-com P1 KRF-X9992D(K) PCBSD2P( 99.11.2 9:45 AM y W 1 UVXZABADWYAAAC 2 1 3 5 7 4 6 Refer to the schematic d

38、iagram for the value of resistors and capacitors. PC BOARD (Component side view) 109 C17 C14 C15 C13 C11 C12 C23C24 C18 C16 C3C2 C4 C6 C5 C10 C9 C7C1C8C32C33C31 C27 C28 C36 C34C35 R379 R387 R388 R380 R378 R368 R369 R367 R377 R370 R36 R12 R11 R10 R9 R16 R15 R14 R13 R3R4 R1 R2 R7 C301 C302 R8 R5 R6 R1

39、8 R30 R31 R28 R29 R34 R35 R32 R33 R19 R21 R20 R26 R27 R24 R25 R74 R75 R73 R78 R76 R77 C258 C257 C252 R258 C305 C304 C303 C306 C309 C308 C307 C340 C320 C319 C310 C315 C316 C265 C270 C263 C266 C268C267 C269 R266 R265 R268 R267 R253R254 R251R252 R255 R256 R269 R345 R343 R344 R389 R390 R305 R306 R303 R3

40、04 R309 R310 R307 R308 R302 R273 R274 R271 R272 R301 R322 R323 R320 R321 R326 R324 R325 R319 R313 R314 R311 R312 R317 R318 R315 R316 W311 C391 C392 C386 C380 C385 C379 C354 C372 C362 C123 C218 C217 C216 C124 C220 C219 C215 C169 C168 C167 C158 C157 C155 W312 C208 C207 C125 C126 C170 C205 C109 C110 R2

41、27 R228 R177 R178 R201 R202 R167 R168 R165 R166 R164 R163 R162 R214 R215 R212 R213 R216 R217 R218 R205 R206 R203 R204 R207 R211 R208 R361 R381 R382 R362 R118 R112 R113 R111 R116 R117 R114 R115 R156 R157 R154 R155 R161 R158 R132 R131 R153 R103 R104 R107 R108 R105 R106 R383 R372 W313 W314 R363 R365 R3

42、85 R395 C376 R386 C396 C395 C375 R396 C393 C394 R384 W310 R391 C383 C357 C381 R371 C358 R373R393 R375 C366 R376C390 C389 C365 R394 C387 C388 R374 R366C384 R392 C382 R364 W306 W309 C601 R605 R607 R675 C684 W688 W327 R257 R337 R327 R336 R335 R329 R332 R334 R328 R333 R330 R331 R338 R693 C689 R139 R138

43、R135 R690 W653 C691 C692 R691 R647 R645 W684 C690 W660 C636 R643 R648 R618 R619 R620 W685 W659 C681 C605 C606 C602 C603 C682 C678 C675 C611 C612 C625 C626 C624 C642 C641 C640 C613 C680 C622 C652 C645 C647 C650 C651 C618 C620 C643 C644 R611 R655 R656 R653 R654 R657 R651 R652 R649 R642 R680 R682 R610

44、R614 R612 R615 R616 R617 R603 R604 R601 R608 R609 R606 R635 R639 R638 R623 R628 R625 R676 R674 R678 R646 R627 C679 R685 C676 C631 W651 R636 W655 R683 R692 R659 R658 W652 C686 C630 R672 C671 R673 C670 W680 R688 W654 C685 R686 R687 C687 R136 R137 C313 R192 R210 R209 R412 W308 R410 R409 R411 R191 R542R

45、544 C140 R408 R406 R188 C508 R190 C146 R222 R230 R229 R221 C145 R189 W307 R175 R172 R186 R160 R152 C166C163 R224 C213 R225 R223 W331 W319 R543 R541 R342 R356 W303 W328 R532 R534 R531 R533 C542R536 R535 R353 R354 R341 R340 R349 R339 R350 R355 R359 C541 R351 R352 C534 R538 C533 C524 C510 R514 R502 C51

46、4 C520 W326 C512C518 C516R520 R347 R180 R173 R171 C325 C522 R518 R512 R516 R510 R508 W325 R504 R506 C506 C504 C502 W305 R174 R346 R179 C139 R185 R159 R151 R407 R405 R187 R110 R102 C122 R182 C134 R124 R128 C116 R122 C128 C106 R127 C119 R134 R133 C121 R101 R109 C133 R181 R129 R123 R121 C115 C105 C127

47、R125 R517 C517 C519 R511 R515 R519 C515 C513 C511 R509 W329 C523 R126 W304 R507 R501 W323 R503 R505 R348 C339 R403 R401 R183 C107 C509 C507 R513 C501 C503 C505C326 R196 R197 R198 R199 C521 R402 R404 R184 C165 R537 1 14 15 28 1 14 15 28 1528 141 E B EB E B EB EB EB E B EB EB EB EB EB EB E B EB EB EBE

48、B EB EB E B E B EB EB EB EB EBEBEB EBEB EB EB EB EB EBEB EB EBEB EB EB W321 R243 R241 R245 15 28 R247 C238 C232 C234 C235 R238 R293 R294 R296 R295 R237 C240 R249 14 R248 R239 R240C231 C237 1 C239 C236 R235 C229 R231 R233 C228 R242R232 R234 C230 R236 C226C225 C233 R246 R244 C227 1 14 C86 R89 R90 C92 C91 C241 C242 W318 R555 R556 C54 C53 R70 15 R69 R71 28 C55 R53 R55R47 R45 C41 R44 R42 R43 R41 C42 R48 R46 C44C43 C45 R51 R49 R52 R50 C46 R56 R54 C4