Kenwood-RXD552-cs-sm 电路图 维修手册.pdf

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1、Panel (CD) (A29-1046-02) Knob (K29-7544-04) Knob (K29-7543-04) Front glass (B10-) Front glass (B10-3449-02) Front glass (B10-3471-03) Knob (K29-7541-02) Knob (K29-7541-02) Knob (K29-7545-04) Panel * (A60-) Front glass (B10-3448-02) Cassette lid (R) (A53-2122-02) Cassette lid (L) (A53-2121-02) Phone

2、jack (E11-0280-05) Knob (K29-7553-01) MINI HiFi COMPONENT SYSTEM RXD-402/402E/402W/452/452E/452W/502/502E/ RXD-502W/552/552E/552W/572S/A41/A51 (XD-402A51) * SERVICE MANUAL 1999-1/B51-5500-00 (K/K) 3590 Illustration is RXD-402. * Refer to parts list on page 48. In compliance with Federal Regulations,

3、 following are reproduc- tions of labels on, or inside the product relating to laser product safety. *Refer to page 2 if you want to know system configuration. KENWOOD-Crop. certifies this equipment conforms to DHHS Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J. DANGER : Laser radiation w

4、hen open and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM RXD-402(E) INT1P 99.6.9 7:25 PM yW 2 RadioFans.CN 收音机爱 好者资料库 SYSTEMMAIN UNIT SPEAKERDESTINATIONSYSTEMMAIN UNIT SPEAKERDESTINATION XD-402RXD-402LS-N402KPETXD-502RXD-502LS-N502KPE XD-402ERXD-402ELS-N402E1XD-502ERXD-502ELS-N502E1 XD-402WRXD

5、-402WLS-N402QXD-502W RXD-502WLS-N502Q XD-452RXD-452LS-N452MXYTEXD-552RXD-552LS-N552MXYTE XD-452ERXD-452ELS-N452E1XD-552ERXD-552ELS-N552E1 XD-452WRXD-452WLS-N452Q XD-552W RXD-552WLS-N552Q XD-572SRXD-572SLS-N552M1 XD-A41RXD-A41LS-N452KP XD-A51RXD-A51LS-N552KP VOLUME CD TAPE MUTE RC-552 REMOTE CONTROL

6、UNIT EX.BASS TIME INPUT BAND POWER TAPE A/B RANDOMREPEAT TEXT DISP. TUNING 6 123 456 789 0+10 321 4 7 M U L T I C O N T R O L DISC SKIP SOUND CONTROL MENUBACK SELECT ENTER VOLUME CD TAPE MUTE MENU RC-552E REMOTE CONTROL UNIT EX.BASS TIME INPUT BAND PTYTA/NEWS RDS DISP.POWER BACK TAPE A/B RANDOMREPEA

7、T TEXT DISP. TUNING 6 SET ENTER 123 456 789 0+10 321 4 7 M U L T I C O N T R O L DISC SKIP SOUND CONTROL FM indoor antenna (1) AM loop antenna (1) Speaker cords (2) Remote control (A70-1262-05): TEQE1.RC-552E (A70-1253-05): KPMXYM1.RC-552 unit (1) Remote control unit (1) Use to adapt the plug on the

8、 power cord to the shape of the wall outlet. (Accessory only for regions where use is necesary.) AC plug adaptor (1) Provided in the speaker package Batteries (T90-0836-05)(T90-0837-05) (E30-5535-05) (E03-0115-05) (R6/AA) (2) RXD-402/452/502/552/572S/A41/A51 2 CONTENTS / ACCESSORIES / CAUTIONS CONTE

9、NTS/ACCESSORIES/CAUTIONS.2 EXTERNAL VIEW/DISASSEMBLY FOR REPAIR.3 BLOCK DIAGRAM .4 CIRCUIT DESCRIPTION.5 ADJUSTMENT. 10 WIRING DIAGRAM.14 PC BOARD .15 SCHEMATIC DIAGRAM .23 EXPLODED VIEW .44 PARTS LIST.48 SPECIFICATIONS .59 Contents Accessories System configuration Unplug the power cord from the pow

10、er outlet then, while holding the ENTER key depressed, plug the power cord again. Please note that resetting the microcomputer clears the contents stored in and returns and to condition when it left the factory. Operation to reset The microcomputer may fall into malfunction (impos- sibility to opera

11、te, erroneous display, etc.) when the power cord is unplugged while power is ON or due to an external factor. In this case, execute the following procedure to reset the microcomputer and return it to normal condition. ENTER (Main unit only) Cautions RXD-402(E) INT1P 99.6.9 7:25 PM yW 3 RadioFans.CN

12、收音机爱 好者资料库 RXD-402/452/502/552/572S/A41/A51 3 EXTERNAL VIEW / DISASSEMBLY FOR REPAIR EXTERNAL VIEW DISASSEMBLY FOR REPAIR BOTTOM SIDE FRONT HOW to open the tray if not comes out. (1) Turn the friction arm counterclockwise using a screw driver and the like. (2) Pull out the tray front wards by hand w

13、hen the tray comes just out. Cover (F07-1655-02) Slide switch (S62-0077-05) Lock terminal board (E70-0053-05) Lock terminal board (E70-0053-05) Metallic cabinet (A01-3681-01) Phono jack (E63-0116-05) Lock terminal board (E20-0321-05) Phono jack (E63-1037-05) Oscillating module (W02-1114-05) Illustra

14、tion is RXD-402. RXD-402(E) INT1P 99.6.9 7:25 PM yW 6 RadioFans.CN 收音机爱 好者资料库 A PB B R/P B ERASE BIAS OSCCTRL BIAS VR5 HA12219NT IC1 HA12136A IC2 MPX DPSS IC4 HD74HC166P FL DISPLAY ED1 M66004SP IC51 DRIVER REMOCON A1 D52 TIMER D51 STANDBY KEY MATRIX ENHANCED IC FOR LED IC52,53 JOG AJOG BVOL. BU2090

15、+12V AVR Q4 AVR Q6,7 -12V -12V +12V AVR IC2 +5V AVR IC1 +9V RDS CD +9V -B GND +B +40V AVR Q8 (X14- ) +5V FL -35V Q2 +5.6V AVRu-COM FAST OFF FL AC AMP for POWER AC IN RF AMP CXA1571M IC5 E-VOL TUNER DECK TUNER E-VOL FL IC +5V u-COM PULL UP DRIVER TRACKING COIL 4ch BTL DRIVER BA5979S DRIVER FOCUS COIL

16、 DRIVER FEED MOTOR DRIVER DISC MOTOR IC6 A B C E F SW LD Q501 DSP.SERVO. CXD2587Q IC7 DAC CD +5V CD +9V (DSP,RF) Q505 FM DM TA8409S (ROTARY TRAY) TA8409S (LOADING) LM RM IC8 IC9 M30622MA-173FP u-COM IC IC1 IC2 K1 120V240V INPUT OUTPUT MD/DVD MD REC J1 SURROUND3BAND TONE EX-BASS M62492FP SELECTOR,SUR

17、ROUND,TON,E-VOL RDS DEMODULATOR IC3 (T,E,Q TYPE ONLY) SAA6579T/R MODULE TUNER ANT. PHONES HEAD POLAR UNIT -10dB ATT AMUTE S1 OFF ON ON/OFF MATRIX K1 RELAY SPEAKER ch. OTHER OUT SW Lch Rch SPEAKER MATRIX SPEAKER BCLASS ACLASS Q1,2 Q3,4 B A REQ EQ BIAS TRAP PH A,B MOTOR A MOTOR B MOTOR SOL A,B SPEED T

18、APE A/B MOTOR SOL A,B VR7,8 LEVEL B PB LEVEL VR1,2 A PB PH A,B B.CANCEL BIAS NOR A-N/C A/B B1/2 DOLBY R/P DPSS A,B CrCO2 L REC R REC A,B PACK A,B PLAY PSIN CLK PSLOAD GRID SEG 16 35 CLK CS DATA KEY3 KEY2 KEY1 DATA1/2 CLK 15LED A JOG 1/21/2 B JOG 1/2 ENC + + + + + + RF.FE.TE 16.93MHZ LOM+/- ROM+/- PH

19、TR TD/TU CL/OP PSW MAIN 10MHz SUB 32.768kHz DATA CLKMPX TAPE REC CLK LATch DATA MECHA. DECK (X28- ) (X14- ) (X00- ) (X14- ) (X04- ) (X13- )MGC-E9001 CD MECHA. Q TYPE ONLY 2-71 0-22 X07-3030-21 ONLY M TYPE ONLY RXD-402/502 (X07- ) RXD-402/452/502/552/572S/A41/A51 4 BLOCK DIAGRAM RXD-402(E) INT1P 99.6

20、.9 7:25 PM yW 7 RXD-402/452/502/552/572S/A41/A51 5 CIRCUIT DESCRIPTION 1. Initialization 1-1 Setting of initial conditions While pressing the ENTER key, put the plug into an AC power outlet. 1-2 Initializing operation A microcomputer is initialized for start when the AC power is turned on when press

21、ing the ENTER key. At that time, CD mechanism and CASSETTE mechanism are also initialized. During the initial operation,the display shows INITIALIZE and after that it will be returned to STANDBY condition. 1-3 Initial items and back up data *BACKED UP DATA 1-4 Mechanism initialization 1-4-1 CD mecha

22、nism Disc unclamps(traverse down). Rotary tray rotates(1/3 rotation). If a mechanism error occurs, CD ERR is indicated 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 ERR on the display. 1-4-3 Error di

23、splay If both mechanism (CD/DECK) error occur, the display is indicated as follows. CD & X ERR 2. Destination list of TUNER ITEMS *POWERSTANDBY *VOLUME14 *BALANCECENTER MUTINGOFF PROTECTIONOFF AMPS. DIRECTOFF DISPLAY MODEAUTO *AUTO POWER SAVEOFF *MD/DVD INPUT LEVEL-3 *INPUT SEL.TUNER *BANDFM TUNER*F

24、REQUENCYLOWEST FREQUENCY *AUTO/MONOAUTO *P.CH-CH *CLOCK0:00 (E/T/Q) 12:00 (OTHERS) CLOCK*PROG. RECORDINGON/OFF TIME 0:00 (E/T/Q) 12:00 (OTHERS) *PROG. TIMER PLAYON/OFF TIME 0:00 (E/T/Q) 12:00 (OTHERS) SLEEP TIMEROFF O.T.T.OFF *DIRECTIONFORWARD DECK*RVS MODEREVERSE *A/BB KEY SELECTOR FL INDICATION MO

25、DE All the fluorescent display indicators and LEDs light on. BANDTUNER STANDBY and TIMER LEDs blink up. + AC ON The all illminated state is cleared by pressing any main unit keys or remocon keys. INPUTAUX AUX TEST + AC ON Destinat- ion Tuner type BAND Receiving frequency range Channel space IFRF K,P

26、 K1 FM 87.5MHz108.0MHz 100kHz +10.7MHz25kHz AM 530kHz1700kHz 10kHz +450kHz10kHz M,V,X,Y K2 FM 87.5MHz108.0MHz 100kHz +10.7MHz25kH AM 530kHz1610kHz 10kHz +450kHz10kHz M K3 FM 87.5MHz108.0MHz 100kHz +10.7MHz25kHz MW 530kHz1610kHz 10kHz +450kHz10kHz SW 5.9MHz17.9MHz 5kHz +450kHz 5kHz M,V,X,Y E1 FM 87.5

27、MHz108.0MHz 50kHz+10.7MHz25kHz AM 531kHz1602kHz 9kHz +450kHz 9kHz M E3 FM 87.5MHz108.0MHz 50kHz+10.7MHz25kHz MW 531kHz1602kHz 9kHz +450kHz 9kHz SW 5.9MHz17.9MHz 5kHz +450kHz 5kHz E E1 FM 87.5MHz108.0MHz 50kHz+10.7MHz25kHz RDS AM 531kHz1602kHz 9kHz +450kHz 9kHz T E2 FM 87.5MHz108.0MHz 50kHz+10.7MHz25

28、kHz RDS MW 531kHz1602kHz 9kHz +450kHz9kHz LW 153kHz279kHz 9kHz +450kHz9kHz QQ FML 65.0MHz74.0MHz 10kHz+10.7MHz5kHz FMH 87.5MHz108.0MHz 50kHz+10.7MHz5kHz MW 531kHz1602kHz 9kHz +450kHz9kHz LW153kHz279kHz 9kHz +450kHz9kHz AVdd 10 R107 k X13 IC1 91pin (TYPE) Destina-R107Voltage tionV K91k4.51 M139k3.98

29、M222k3.44 T13k2.83 E8.2k2.25 Q4.7k1.60 2-1 Discrimination of TUNER destination 3. Test mode 3-1 Test mode of the receiver 3-1-1 Setting of the test mode While pressing the INPUT key or BAND key, put the plug into an AC power outlet. 3-1-2 Canceling of the test mode Unplug an AC power cord from an AC

30、 power outlet. 3-1-3 Condition in test mode Power ON EX.BASS OFF S.W OFF Selector mode or FL indication RXD-402(E) INT1P 99.6.9 7:25 PM yW 10 RXD-402/452/502/552/572S/A41/A51 6 CIRCUIT DESCRIPTION 3-1-4 Basic operation in test mode (1) The muting during mode selection is not controlled in the test m

31、ode. (2) The test mode is 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) DISPLAY /DEMO key When this key is pressed in the test mode, all the flu- orescent display indicators and leds light of

32、f and nor- mal display are indicated cyclically. (2) REV.MODE,DOLBY NR,A/B,REC/ARM keys The volume level settings can be made as follows. REV.MODE volume min+1step DOLBY volume 14 *RXD-402(TAPE E.Q.) A/B volume20 REC/ARM volume max (50) (3) DISC SKIP key With the selector on TUNER, the S level indic

33、ation changes cyclically as follows by pressing the DISC SKIP key. 1 ATT is switched off. ATT off & TUNER S level XX 2 ATT is switched on. ATT on & TUNER S level XX 3 ATT is switched off. Normal display. XX means A/D value(HEX) of S. (4) DECK STOP key With the selector on TUNER, when the DECK STOP k

34、ey operated, the preset memory can be changed as 10 steps. (5) FWD PLAY/RVS key With the selector on TUNER, the P. CALL is operated by pressing the FWD PLAY and RVS PLAY keys. FWD PLAY key P. CALL up RVS PLAY key P. CALL down (6) CD OPEN /CLOSE key With the selector on TUNER, the channel space set-

35、tings can be made cyclically by pressing the CD OPEN/CLOSE key with M version. (7) DECK STOP key With the selector on AUX, when the DECK STOP key operated,the S. direct (ON/OFF) can be changed. (8) DISC 1 key With the selector on something other than TUNER, whenever the DISC1 key is pressed, the set

36、ting of E.Q changes cyclically as follows. (9) DISC 2 key With the selector on AUX, MD/DVD input level can be made cyclically by pressing the DISC 2 key . INITIALIZED VALUE LEVEL MAX (10) DISC 3 key With the selector on AUX, the balance level setting can be made cyclically by pressing the DISC 3 key

37、 . (11) DISC SKIP key With the selector on something other than TUNER, the muting (ON/OFF) can be changed. 3-2 Test mode of cassette deck 3-2-1 Setting of the test mode While pressing the deck play key, put the plug into an AC power outlet. 3-2-2 Canceling of the test mode Unplug an AC power cord fr

38、om an AC power outlet. 3-2-3 Condition in test mode (1) Initial condition DOLBY-0FF AUDIO-MUTE OFF (2) Mechanism SW detection (3) 4-sec recording If the REC key is pressed, the system record for 4 sec. Then, it rewinds to the recording starting position and plays back automatically. If the REC key i

39、s pressed, during the 4-sec recording operation, the system records further for 4-sec, then return to the starting position of the first 4-sec record- ing operation and plays back. 3-3 Test mode of CD player 3-3-1 Setting of the test mode While the pressing the PLAY/PAUSE key, put the plug into an A

40、C power outlet. 3-3-2 Canceling the test mode Press the stop key on stop mode or unplug the AC cord from an AC power outlet. 3-3-3 The operation of the keys in the test mode. DISPLAY A pack SWE.Q A -CRO2PROG.12 B-FWDO.T.T B pack SWAUTO B-CRO2ST B-RVSANTENNA 10 20 30 40 00( ) E.Q MAX E.Q MIN E.Q FLAT

41、 Lch MAX Rch MAX CENTER KEYDISPLAYOPERATION PLAY/PAUSE +AC IN CD TEST Setting of the test mode. Tray 1/3 rotation. Tray opens automatically. STOP0 Tray closes. Change or cancel the test mode. PLAY/PAUSE 03 -:- 05*:* Tray closes/disc clamps. T-servo off(03) or on (05). DOWNFINISH Tray 1/3 rotation. D

42、ISC3 07 EF/FB 08 TG/FG 09 TE/RF 10 TE/VC Mechanism stops when the automatic adjustment is finished. Display changes cyclically. If NG, display blinks up. DISC2216*:* Tray closes. Disc2 clamps. Plays track 16. DISC1 Tray closes/disc clamps. Plays track 32. RXD-402(E) INT1P 99.6.9 7:25 PM yW 11 RXD-40

43、2/452/502/552/572S/A41/A51 7 CIRCUIT DESCRIPTION 4. Main microprocessor 4-1 Microprocessor periphery block diagram 4-2 Key matrix SERIES EXPANDER X14, IC51 X14, IC52, 53 X04, IC7 X04, IC3 TUNER PACK IC2 X28, IC4 X04, IC2 X28, IC1 X13, IC1 RXD-402(E) INT1P 99.6.9 7:25 PM yW 14 RXD-402/452/502/552/572

44、S/A41/A51 8 CIRCUIT DESCRIPTION Pin No.NameI/ODescriptionActive 1S.LEVELIRDS S level input. 2PLL DOIPLL IC data input. 3SDISD detector input. 4STIStereo detector input. 5PLL CEOPLL IC chip enable. 6RDS DATAIRDS data input. 7PLL CLKOPLL IC clock output. 8BYTEIGround. 9CNVSS-Ground. 10XCINITimer clock

45、 input(32.768kHz). 11XCOUTOTimer clock output(32.768kHz). 12RSTIu-com reset signal input.H : normalL : reset 13XOUTOMain clock output(10MHz). 14VSS-Ground. 15XINIMain clock input(10MHz). 16VCC(BU)-No used (+5v). 17HMI-u-com power supply(+5v). 18REMIRemocon signal input.H : normalL : reset 19RDS CLKI

46、RDS clock input. 20SCORISub code synchronism signal input. 21NC-No connection. 22CLSWICD load switch (SW3) input port of CD mechanism. 23OPEN SWICD unload switch (SW3) input port of CD mechanism. 24RTLORotary motor opposite direction (CCW) output. 25BRKMORotary motor brake control.H : normalL brake

47、26CLOSEOLoad motor opposite direction (taking out) output. 27OPENOLoad motor positive direction (dragging out) output. 28SQCKOCD sub code clock output. 29SQSOICD sub code input. 30NC-No connection. 31FL DATAOFL driver data output. 32CEIPower failure signal input.H : AC onL : AC off 33FLCLKOFL driver clock output. 34FLCSOFL driver strobe output. 35RTRORotary motor positive direction (CW) output. 36TDSWITraverse down switch (SW1) input port of CD mechanism.H : off L : on 37TUSWITraverse up switch (SW