Kenwood-RXDA8-cs-sm 电路图 维修手册.pdf

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1、3 21 PLAY 0 PUSH OPEN 0 PUSH OPEN 6 7 7 4 DISC SKIP DISC 1 DISC 2 REV.MODEDOLBY NR DISC 3 VOLUME CONTROL UP DOWN SRS 3D TIMER DISPLAY EX. BASS MODE /DEMO ENTER AUTO PHONES SET MAXMIN SOUND MULTI CONTROL ON/STANDBY INPUT MIC VOL. 1 MIC 2 DUBBING TUNING BAND CD PGM MINI HiFi COMPONENT SYSTEM REC /PLAY

2、 A/B REC/ARM 0 SRS ( ) MINI HiFi COMPONENT SYSTEM RXD-501/501E/501W/551/551E/551W/571S/A5/ RXD-701/701E/701W/751/751E/751W/771S/A8 SERVICE MANUAL 1998-3/B51-5420-00 (K/K) 3661 Cassette lid (L)* (A53-) Phono jack (E11-0169-05) Phone jack (E11-0169-05) Front glass (B10-2446-13) Lighting board (B19-158

3、7-03) Front glass* (B10-) Lighting board (B19-1589-04) Lighting board (B19-1586-04) Panel assy* (A60-) Knob* (K29-) Cassette lid (R)* (A53-) Front glass (B10-2447-13) Panel (CD)* (A29-) (XD-501A8)* * Refer to parts list on page 58. In compliance with Federal Regulations, following are reproduc- tion

4、s of labels on, or inside the product relating to laser product safety. Refer to RXD-500/700 (B51-5300-00), If you require TUNER preset frequency in detail. *Refer to page 2 if you want to know system configuration. KENWOOD-Crop. certifies this equipment conforms to DHHS Regulations No. 21 DFR 1040.

5、 10, Chapter 1, Subchapter J. DANGER : Laser radiation when open and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM Phone jack (E11-0280-05) RXD-501751(K) COVER( 98.4.23 21:42 y W 2 RadioFans.CN 收音机爱 好者资料库 SYSTEMMAIN UNITSPEAKER SP CORDDESTI- PARTS NO.NATION XD-501RXD-501LS-501E30-5474-08TE XD-50

6、1RXD-501LS-501E30-5475-05X XD-501WRXD-501WLS-501E30-5474-08Q XD-501ERXD-501ELS-501E30-5474-08E2 XD-551RXD-551LS-551E30-5475-05MXY XD-551RXD-551LS-551E30-5474-08TE XD-551WRXD-551WLS-551E30-5474-08Q XD-551ERXD-551ELS-551E30-5474-08E2 XD-571SRXD-571SLS-551E30-5475-05M2 SYSTEMMAIN UNITSPEAKER SP CORDDES

7、TI- PARTS NO.NATION XD-A5RXD-A5LS-451E30-5120-08KP XD-701RXD-701LS-701E30-5471-05TEX XD-701WRXD-701WLS-701E30-5471-05Q XD-701ERXD-701ELS-701E30-5471-05E2 XD-751RXD-751LS-751E30-5471-05MXYTE XD-751WRXD-751WLS-751E30-5471-05Q XD-751ERXD-751ELS-751E30-5471-05E2 XD-771SRXD-771SLS-751E30-5471-05M2 XD-A8R

8、XD-A8LS-751E30-5471-05KP System configuration RXD-501/551/571/A5/701/751/771/A8 2 CONTENTS / ACCESSORIES CONTENTS / ACCESSORIES .2 EXTERNAL VIEW.3 DISASSEMBLY FOR REPAIR.4 BLOCK DIAGRAM .5 CIRCUIT DESCRIPTION.6 ADJUSTMENT. 13 WIRING DIAGRAM.17 WIRING DIAGRAM.17 PC BOARD .19 SCHEMATIC DIAGRAM .27 EXP

9、LODED VIEW .55 PARTS LIST.58 SPECIFICATIONS .Back cover Contents VOLUME TAPE SET ENTER A/B CD TUNINGP.CALL MUTE MENU RC-701R REMOTE CONTROL UNIT 123 0 456 +10 789 DISC SKIP EX.BASS SRS 3D TIMERANDOMREPEATBAND EQ ON/OFF INPUT RDS DISP.PTY TA/NEWS /INFO.POWER MULTI CONTROL VOLUME TAPE SET ENTER A/B CD

10、 TUNINGP.CALL MUTE MENU RC-701 REMOTE CONTROL UNIT 123 0 456 +10 789 DISC SKIP EX.BASS SRS 3D TIMERANDOMREPEATBAND EQ ON/OFF INPUT POWER MULTI CONTROL Accessories FM Indoor antenna (T90-0801-05): KPXYMM2 (T90-0836-05): TEQE2 AC plug adaptor (1) (E03-0115-05) Use to adapt the plug on the power cord t

11、o the shape of the wall outlet. (Accessory only for regions where use is necessary.) AM Loop antenna stand (J19-3645-05) Speaker cords (4) XD-A8/XD-7.Series Speaker cords (2) XD-A5/XD-5.Series Remote control unit (1) (A70-1201-05) :KPMXYM2Battery cover (A09-0399-08) Remote control unit (1) (A70-1202

12、-05) : QETE2Battery cover (A09-0399-08) Batteries (R6/AA) Attached with to speaker unit AM Loop antenna (T90-0833-05) Speaker cushion (8) RXD-501751(K) COVER( 98.4.23 21:42 y W 3 RadioFans.CN 收音机爱 好者资料库 RXD-501/551/571/A5/701/751/771/A8 3 EXTERNAL VIEW GND L R L R SUB WOOFER SPEAKERS (12-16) FRONT S

13、PEAKERS (6-16) AUX OUTPUT ANTENNA FM 300 AUX INPUT AUX INPUT LEVEL MIN.MAX. L R L R R SURROUND SURROUND SPEAKERS (6-16) L + + + + + DIGITAL OUT OPTICAL % ON fi OFF FM 75 AM FRONT SPEAKERS (6-16) SUPER WOOFER PRE OUT L R + + L R AUX INPUT RXD-A5/RXD-5.Series RXD-A5/A8 Phono jack (E63-1037-05) Phono j

14、ack (E63-1038-05) Lock terminal board* (E70-) Lock terminal board (E70-0048-05) Lock terminal board (E70-0045-05) Power cord bushing (J42-0083-05) Slide switch (S62-0055-05) AC power cord* (E30-) Variale resistor (R31-0096-05) Oscillating module (W02-1114-05) Lock terminal board (E70-0057-05) Phono

15、jack (E63-0116-05) * Refer to parts list on page 58. RXD-501751(K) COVER( 98.4.23 21:42 y W 6 RadioFans.CN 收音机爱 好者资料库 RXD-501/551/571/A5/701/751/771/A8 4 DISASSEMBLY FOR REPAIR 1. How to remove the front panel. (1) Turn the power ON and then push the open/close key to open the tray. (2) After remove

16、d the tray cover, push the open/close key to close the tray and then turn the power OFF. (3) Remove the push rivet (1) and 4 screws (2, 3). (4) The front panel can be separated by removing the 3 screws (4) located at the bottom plate of the front panel. 2. How to remove the CD mechanism (1) Remove 4

17、 screws (5) on the left side/right side of chassis. (2) Remove 2 screws (6) and the cap (7) on the rear panel. (3) Disengage the CD mechanism as FIG.2. 3. How to open the tray if not comes out. (1) From the rear side of the CD mechanism, use a screw driver or the like to turn the friction arm fully

18、counterclockwise. (2) Pull out the tray front wards by hand when the tray comes just out. * As for details of items in the below, refer to RXD-F3 service manual (B51-5091-00). (1) How to detach the tray. (2) How to attach the tray. (3) Replacing the pickup. Fig.1 5 2 3 3 3 1 6 6 7 x4 4x3 REAR SIDE F

19、riction Arm Fig.2 RXD-501751(K) COVER( 98.4.23 21:43 y W 7 -490X -489X X05-471X (X09) -551 M,X -571 M RXD-501 X A,B X04-1313-80 Q TYPE ONLY RXD-501/701 (X32) (X14) (X14) T25-0050 (CDM-27) MECHA. (X28) TRDR OUT NC DECK K12 LD ON SRDR MDP FFDR FRDR DOLBY ON/OFF DOLBY R/P A,B PLAY R.REC F.REC A,B PACK

20、A/B AUDIO OUT OFF ON RF SFDR TFDR SSTP L,R LED A,B SOL- MOTOR- MOTOR B MOTOR A P.H A,B VR5,6 DPSS PS LOAD PS IN IC CLK RM:ON/OFF BIAS:ON/OFF B:120/70 A:120/70 BIAS SW 580mV 0dBS PB OUT REC IN PASS DCL REC PB REC OUT 70u 120u B A AUX OUT IN CD DECK K2 K1 + - + - TUNER AUX FAN FROM OTHER CH HEAD FAN D

21、RIVER Q21-23 SUB ONLY RXD-701 SERIES (M,T,X,E,Q, TYPE) RXD-701 RXD-501(M,X TYPE) S.P OUTPUT 17.3V/6 SERIES RXD-A5/RXD-5XX SERIES RXD-A8/RXD-7XX 20.49V/6 24.49V/6 RXD-501 SERIES ONLY 1.8V/3.3K J2 J2 +B+ L - + - R WOOFER SP. RELAY +B K11 FRONT S.P +B H.P RELAY MUTE POWER AMP K13 VR1 AUX LEVEL IC19 X09

22、,IC9 SPEANA IC2 X1 ST SW, PS SW LD/UNLD SW, UP/DOWN SW RMR/BRKM/RMF/LMF/LMR X09,IC10 M38199MF-075FP MAIN u-COM +5V +5V TC74HC166AP POLAR UNIT MUTE Q3,4 Q10,11 IC1 HA12209F MS AMP REC IC3 IC1 FL DRIVER u-COM A1ED1 SENSOR REMOTE FL DISPLAY IC21 OTHER CH SURROUND J4 WOOFER SUB PHONES SURROUND SP. + + -

23、 - R L SP. FRONT R L + - - + IC4 SURROUND SRS VOL. ELECTRIC ZERO MUTE 16.9344MHz DRIVER MUTE IC2 CXD2587Q DSP/DAC IC1 RF AMP/SERVO CXA1571M BA5979S IC4,5 MOTOR DRIVER TA8409S L.M DRIVER LOADING ROTARY DRIVER R.M TRAVERSE UNIT D40-1500 START LIMIT SW FOCUS TRACKING IC3 4ch BTL DRIVER D.M DRIVER DISC

24、MOTOR DRIVER FEED MOTOR F.M COIL DRIVER TRACKING COIL COIL FOCUS COIL DRIVER LD SW Q1 LD F E C B A IC5 BA10393 Q3,4 Q1,2 A PB B R/P IC6 EXPANDER IC +5V OUT L1 MPX L.P.F. CHANNEL OTHER DOLBY Q5 CONTROL BIAS VR3,4 BIAS TRAP IC4 BA3126N B PB LEVEL VR1,2 IC3 B PB AMP BEAT CANCEL Q7,8 LEVEL VR7,8 A PB IC

25、2 A PB AMP 22.2dBS 60mV OSC BIAS B ERASE AUX OUT AUX OUT 0.5V/3.3k AUX IN AUX IN 400mV/47k MIC1,2 2.5mV/2.2k MIC INPUT SEL. IC1 AM:180mV/3.3k FM:600mV/3.3k TUNER OUTPUT BLOCK TUNER AC D24 D26 SW SURROUND MATRIX RELAY S.W. SPEAKER RELAY FRONT S.P TUNER (IC2) DSP DRIVER (IC4.5) MOTOR H.P RELAY TUNER A

26、NALOG MECHA. DECK Q19 IC13 AVR +5V +9V BIAS AVR FL DRIVER u-COM MIAN u-COM SUB u-COM IC21 IC IC15 AVR POWER +12V IC12 AVR -12V Q14 AVR -30V Q15 AVR +5.6V IC21 POWER IC D23 D22 D24 D26 D18 D17 VR1 MIXING IC101 (2/2) MIC AMP IC101 (1/2) RXD-501/551/571/A5/701/751/771/A8 5 BLOCK DIAGRAM RXD-501751(K) C

27、OVER( 98.4.23 21:43 y W 10 RXD-501/551/571/A5/701/751/771/A8 6 CIRCUIT DESCRIPTION 1. Initialization 1-1 Setting of initial conditions While pressing the ENTER key, plug the AC cord into the AC power outlet. 1-2 Initializing operation A microcomputer is initialized for start when the AC power is tur

28、ned on while pressing the ENTER key. At that time, CD mechanism and CASSETTEmecha- nism are also initialized. During the initial operation, the display shows “INITIAL- IZE” and after that the clock blinks up on display. 1-3 Initial items and back up data ITEMS POWEROFF VOLUME45 BALANCECENTER MUTINGO

29、FF EQOFF (ROCK) EQ. MANUFLAT AMPEX. BASSON SRS 3DOFF S.W.LEVEL 3 (RXD- 701/751 ONLY) INPUT SELTUNER 3D LEVELLEVEL +5 DEMOON BANDFM LAST fLOWEST FREQUENCY TUNER LAST Pch AUTO/MONOAUTO PchTEST f CLOCKAM 12 : 00 PROG ONAM 12 : 00 CLOCK PROG OFFAM 12 : 00 TIMER PRO MODETIMER PLAY SOURCETUNER Pch1 EXEOFF

30、 OTTOFF SLEEPOFF DIRECTIONFORWARD RVS MODEp DECK DOLBY NROFF A/BB ACTIVE MODESTOP PLAY MODETRACK REPEATOFF CDRANDOMOFF PLAY MODESTOP TIMESINGLE 1-4 Mechanism initialization 1-4-1 CD mechanism Disc unclamps (traverse down) Rotary tray rotates (1/3 rotation) If a mechanism error occurs, “C” is indicat

31、ed on the display. 1-4-2 DECK mechanism When initial condition becomes NG for the third time, decide the error. The error condition is displayed as X on the display. 1-4-3 Error display CD X ERR back up data RXD-501751(K) COVER( 98.4.23 21:43 y W 11 RXD-501/551/571/A5/701/751/771/A8 7 CIRCUIT DESCRI

32、PTION Desti-DSWReceiving frequencyChannelPORT nation3(83pin) 2(84pin) 1(85pin) (86pin) Band rangespace IFRF 47 K10000FM87.5MHz108.0MHz100kHz+10.7MHz25kHz0 AM530kHz1700kHz10kHz+450kHz10kHz0 K20001FM87.5MHz108.0MHz100kHz+10.7MHz25kHz1 AM530kHz1610kHz10kHz+450kHz10kHz0 K31001FM87.5MHz108.0MHz100kHz+10.

33、7MHz25kHz1 MW530kHz1610kHz10kHz+450kHz10kHz0 SW5.9MHz17.9MHz5kHz+450kHz5kHz0 E10011FM87.5MHz108.0MHz50kHz+10.7MHz25kHz0 AM531kHz1602kHz9kHz+450kHz9kHz0 E31011FM87.5MHz108.0MHz50kHz+10.7MHz25kHz0 MW531kHz1602kHz9kHz+450kHz9kHz0 SW5.9MHz17.9MHz5kHz+450kHz5kHz0 E10101FM87.5MHz108.0MHz50kHz+10.7MHz25kHz

34、0 RDSAM531kHz1602kHz9kHz+450kHz9kHz0 E20110FM87.5MHz108.0MHz50kHz+10.7MHz25kHz0 RDSMW531kHz1602kHz9kHz+450kHz9kHz0 LW153kHz279kHz9kHz+450kHz9kHz0 Q0111FML65.0MHz74.0MHz10kHz+10.7MHz5kHz1 FMH87.5MHz108.0MHz50kHz+10.7MHz5kHz0 MW531kHz1602kHz9kHz+450kHz9kHz0 LW153kHz279kHz9kHz+450kHz9kHz0 3. Test mode

35、3-1 Test mode of the receiver 3-1-1 Setting of the test mode While pressing the INPUT key or Band key, plug the AC power cord into AC outlet. 3-1-2 Canceling of the test mode Unplug the AC power cord. 3-1-3 Condition in test mode POWER ON SELECTOR AUX (in case of INPUT key) TUNER (in case of BAND ke

36、y) FL, LED All the fluorescent display indicators and LEDs light. (The all illuminated state is cleared by pressing any main unit key or remocon key. EX. BASS OFF S.W. OFF 3-1-4 Basic operation in test mode. (1) The muting during mode selection is not controlled in the test mode. (2) The test mode i

37、s cancelled when the AC power is turned OFF. (3) The operation of the keys in the test mode, as follows. 3-1-5 The operation of the keys in the test mode. (1) MODE / DEMO key When this key is pressed in the test mode, all the flu- orescent light off and normal display are indicated cyclically. (2) D

38、ISC 13 keys With the selector on AUX, when the DISC 13 keys are operated, the 3D level settings can be made as follows. 1 DISC 1 3D ON level -8 (Min) 2 DISC 2 3D ON level 0 (Center) 3 DISC 3 3D ON level +8 (Max) (3) DISC SKIP key (S level display) With the selector on TUNER, the fluorescent changes

39、cyclically as follows by pressing the DISC SKIP key. 1 ATT is switched OFF. “ATT OFF XX” 2 ATT is switched ON. “ATT ON XX” 3 ATT is switched OFF. Normal display XX means A/D value (HEX) of S. (4) CD STOP key With the selector on TUNER, when the CD STOP key operated, the preset memory can be changed

40、as 10 steps. 10 20 30 40 00 ( ) (5) AUTO, TUNING UP/DOWN With the selector on something other than TUNER, the E.Q (Flat, Min, Max) settings can be made by pressing the AUTO key and the tuning UP DOWN keys. AUTO key E.Q Flat TUNING DOWN keyE.Q Min TUNING UP key E.Q Max 2. Destination list of tuner RX

41、D-501751(K) COVER( 98.4.23 21:43 y W 14 RXD-501/551/571/A5/701/751/771/A8 8 CIRCUIT DESCRIPTION CD MECH CDM-27 X14, IC1 FL DRIVER uCOM uPD780204 X09, IC10 X09, IC11 RDS IC SAA6579 X09, IC1 SELECTOR IC NJU7313AL X09, IC4 SYSTEM IC M62430FP X09, IC9 SPEANA IC BA3834SK X05, IC2 PLL IC LC72131 M38199MF-

42、075FP u-COM X32, IC2 DSP CXD2587Q X28, IC6 EXPANDER IC TC74HC166AP DECK MECH (6) CD SKIP UP/DOWN keys With the selector on TUNER, the P. CALL is operated by pressing the skip UP/DOWN keys. SKIP UP key P.CALL up SKIP DOWN key P. CALL down (7) CD OPEN/CLOSE keys With the selector on TUNER, the channel

43、 space set- tings can be mad cyclically by pressing the OPEN/CLOSE keys with M version. (8) REC/ARM Whenever the REC/ARM key is pressed, the indica- tion of S.W. (ON/OFF) is available. 4. Main microprocessor 4-1 Microprocessor periphery block diagram RXD-501751(K) COVER( 98.4.23 21:43 y W 15 RXD-501

44、/551/571/A5/701/751/771/A8 9 CIRCUIT DESCRIPTION NoNameI/ODescription 1PS INIParallel serial IC input data 2PS LOADOParallel serial IC loadH : SHIFTL : LOAD 3A MUTEOAudio mute controlH : OFFL : ON 4BP INISpeana input (A/D converter input) 5JOG CWIJog input B 6JOG CCWIJog input A 7ENC CWIRotary encod

45、er input B 8ENC CCWIRotary encoder input A 9H.P.IHeadphones switch inputH : ONL : OFF 10NCI/ONo used 11CD RSTOCD DSP IC reset control (CXD2587Q)H : NORMALL : RESET 12DRV CLKOFL driver u-COM control clock 13DRV SIOFL driver u-COM control data output 14DRV SOIFL driver u-COM control data input 15S LEV

46、ELIRDS S Level input 16RDS DATAIRDS data input 17,18 NCINo used 19CD CKOCD DSP IC clock (CXD2587Q) 20SQCKOCD Sub code clock (CXD2587Q) 21CDDTOCD DSP IC data (CXD2587Q) 22SQSOICD Sub code input (CXD2587Q) 23CDXLOCD latch output (CXD2587Q) 24SENSICD sense input (CXD2587Q) 25CDSCKOSense data reading cl

47、ock output (CXD2587Q) 26LD ONOCD laser outputH : OFFL : ON 27DATAOSELECTOR/SYSTEM/DAC/DOLBY IC data output 28CLKOSELECTOR/SYSTEM/DAC/DOLBY IC clock output 29PROTIProtection inputH : PROTECTION ONL : NORMAL 30SCORISub code synchronism signal (CXD2587Q) 31E DATAOE. vol data output (M62430FP) 32E CLKOE. vol clock output (M62430FP) 33NCI/ONo used 34RDS CLKIRDS clock input 35RESETIReset signal inputH : NORMAL L : RESET 36X C