Kenwood-RXDNV301-cs-sm 电路图 维修手册.pdf

《Kenwood-RXDNV301-cs-sm 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Kenwood-RXDNV301-cs-sm 电路图 维修手册.pdf（41页珍藏版）》请在收音机爱好者资料库上搜索。

1、70% In compliance with Federal Regulations, following are repro- duction of labels on, or inside the porduct relating to laser product safety. KENWOOD-Crop. certifies this equipment conforms to DHHS Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J. DANGER : Laser radiation when open and inter

2、lock defeat- ed. AVOID DIRECT EXPOSURE TO BEAM. Hi-Fi COMPONENT SYSTEM RXD-NV301/NV301E/NV701/NV701E SERVICE MANUAL 2000-8/B51-5657-00 (K/K) 3673 V O L U M E C O N T R O L HI-FI COMPONENT SYSTEM CD MULTI CONTROL SETENTER MENU DEMO DISC SKIP OPEN/CLOSE PHONES STANDBY ON/STANDBY TUNER TAPE MD/DVD BAND

3、 changer (NV-301/301E/701/701E) Button (K29-7904-08) Knob (K29-7901-08) Button (k29-7903-08) Button (K29-7902-08) Panel(FRONT) * (A21-) Figure is RXD-701. * Refer to parts list on page41. Panel(FG) (B10-3642-08) Panel (A21-3916-08) Cover(TRAY) (A60-1971-08) Panel (A21-3911-08) Panel * (A21-) Foot as

4、sy (J02-1506-08)x4 RadioFans.CN 收音机爱 好者资料库 RXD-NV301/NV301E/NV701/NV701E 2 CONTENTS / ACCESSORIES / CAUTIONS CONTENTS / ACCESSORIES / CAUTIONS. 2 EXTERNAL VIEW.3 DISASSEMBLY FOR REPAIR.4 CIRCUIT DESCRIPTION.6 ADJUSTMENT.10 WIRING DIAGRMA.12 PC BOARD . 14 SCHEMATIC DIAGRAM . 21 EXPLODED VIEW .39 PART

5、S LIST.41 SPECIFICATIONS .51 Contents Accessories FM indoor antenna(1) (T90-0830-08) Speaker cords NV-301 (2) NV-701 (6) (Speaker cords are provided in the speaker package. Be sure to check that the correct lengths have been provided.) Batteries (R6/AA) AC plug adaptor (1) (E03-0115-05) Use to adapt

6、 the plug on the power cord to the shape of the wall outlet. (Accessory only for regions where use is necessary.) AM loop antenna (1) (T90-0804-08) RC-NV301E RC-NV301 RC-NV701E RC-NV701 Remote control unit(1) (A70-1459-08): ETE2 (A70-1475-08): KMX (A70-1460-08): ETE2 (A70-1461-08): KMXY Operation to

7、 reset The microcomputer may fall into malfunction (impossibility to operate, erroneous display, etc.) if 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. Unplug the

8、 power cord from the power outlet then, while holding the SET () key depressed, plug the power cord again Please note that resetting the microcomputer clears the stored contents and returns to the factory set condition. SET (Main unit only) Cautions System configurations(RXD-NV301/NV701) SYSTEMMAIN

9、UNITDESTINATION SPEAKER SP CORD PARTS NoSPEAKERSP CORD PARTS No NV-301RXD-NV301KMXTELS-NV701E30-5500-05- NV-301ERXD-NV301EE2LS-NV701E30-5500-05- NV-701RXD-NV701KMXYTELS-NV701E30-5500-05CRW-NV701 E30-5858-05 E30-5859-05 NV-701ERXD-NV701EE2LS-NV701E30-5500-05CRW-NV701 E30-5858-05 E30-5859-05 RadioFans

10、.CN 收音机爱 好者资料库 SPEAKERS MD/DVDSUPER WOOFER PRE OUT (6 16 ) + RL R L FM 75 GND AM OPTICAL OUT RXD-NV301/NV301E/NV701/NV701E 3 EXTERNAL VIEW FM 75 GND AM OPT. OUT CD VIDEO 1 COAX. IN OPT. IN VIDEO 2 DIGITAL VIDEO AUDIO6ch INPUT GREEN CENTER R RED L BLUE FRONT RL BROWN SUBWOOFER SPEAKERS (6-16 ) ORANGE

11、GRAY SURROUND Terminal,RCA (E63-1186-08) Cabinet rear Terminal,RCA (E63-1188-08) Terminal,RCA (E63-1187-08) Module (W02-2732-05) Module (W02-2731-05) Terminal,RCA (E63-1185-08) Tuner,FM/AM * (W02-) RXD-NV701 RXD-NV301 Cabinet rear Terminal board (E70-0137-08) Terminal,RCA (E63-0189-08) Terminal,RCA

12、(E63-1181-08) Module (W02-2800-08) Tuner,FM/AM * (W02-) * Refer to parts list on page41. RadioFans.CN 收音机爱 好者资料库 Fig 1. 2 3 3 1 1 x2 2x2 RXD-NV301/NV301E/NV701/NV701E 4 DISASSEMBLY FOR REPAIR 1. How to Remove the Front Panel 1. Remove screws(1X2) and CD cover. 2. Remove screws(2x4) and (3X2). Fig 2.

13、 4x3 3. Remove screws(4X3) on the bottom plate. Fig 3. 5x2 5x2 4. Remove screws(5X4). RXD-NV301/NV301E/NV701/NV701E 5 DISASSEMBLY FOR REPAIR 5. To separate the front panel, remove connectors listed below. CP304 (CP904) MAIN CP903 CP906 CP905 CP701 CP103CP105 CP106CP107 CP110 FRONT-2 MAIN CON. THE CO

14、NNECTORS LOCATION NV301 ONLY NV701 ONLY OTHERS : BOTH MODELS CP305 CP301 CP706 CP102 CP104 CP108 CP306 2. How to Remove the CD Mechanism 1. Rear panel and main unit can be separated by removing screws (6X3) and (7X3). Fig 4. Rear Panel CP904 or CP304 6x3 7x3 7x3 2. Remove screws(8X4) and CD mechanis

15、m. Fig 5. 8x2 8x2 RXD-NV301/NV301E/NV701/NV701E 6 CIRCUIT DESCRIPTION Pin No.Pin NameI/ODescription 1,2NC-Unused. 3VDD-Power supply. 4POWER DOWNIInput port for power down. 5VOLUME DOWNIPulse input of volume encoder(down). 6RDS CLKIRDS clock input. 7VOLUME UPIPulse input of volume encoder(up). 8REMOC

16、ONIRemote control data input. 9RDS DATAIRDS data input. 10,11NC-Unused. 12PROTECTIONIDetection signal input for protection. 13CrO2IInput port of CrO2 detection switch for deck. 14REEL DATAIInput port of reel data. 15AMS INIAMS input. 16SYS DATAO Data output to volume IC(IC313) for NV701. Data output

17、 to function IC(IC301) for NV301. 17SYS CLKO Clock output to volume IC(IC313) for NV701. Clock output to function IC(IC301) for NV301. 18DIGI 1I/OCommunication with FL driver IC. 19DIGI 2I/OCommunication with FL driver IC. 20H/P SENSEIDetection port of headphones jack. 21 912CSBOSub DSP chip select

18、for NV701. NC-Unused for NV301. 22 912SCKOClock output to YSS912(IC603) for NV701. TUNER CLKOClock output to PLL IC(IC2) for NV301. 23 912SOOSerial data output to YSS912(IC603) for NV701. NC-Unused for NV301. 24 912SIISerial data input from YSS912(IC603) for NV701. NC-Unused for NV301. 25 912CSOChip

19、 select to YSS912(IC603) for NV701. NC-Unused for NV301. 26TUNEDITuned input. 27STEREOIStereo signal input. 28VREF-Reference voltage. 29,30KEY1,KEY2IA/D key input. 31VSMITuner signal meter A/D input. 32TUNER DOIPLL IC data input. 33MODE(DECK)IDeck mode switch input. 34STATUSIDeck pack in/rec in/off

20、sense port. 35AREA SELECTISelection of destination for tuner. 36THERMAL PROTECTIDetection port of thermometer. 37AVSS-Connected to ground. 38RESETIReset signal input. 39EXTALIInput port of crystal oscillator. 40XTALOOutput port of crystal oscillator. 41VSS-Connected to ground. 42TX-Port for 32.768kH

21、z crystal oscillation. 43TEX-Port for 32.768kHz crystal oscillation. 44VDD-Power supply. 45VFDP-Connected to ground. 46SOLENOIDOControl port of solenoid for deck. 47MOTOR ONOControl port of motor for deck. 48DECK MUTEOControl port of deck mute. 49REC MUTEOControl port of rec mute. 50DOLBYODolby nois

22、e reduction output for deck. 51BEAT CUTOOutput port of AM beat cut for deck. 52CrO2- RECOControl port of rec bias for deck. 53REC/PB OSelection of recording and playback for deck. 54CD POWER DOWNOControl port of CD power down. 1. Pin description of microprocessor : IC2 CXP82852-183Q(RXD-NV301)/CXP82

23、860-185Q(RXD-NV701) RXD-NV301/NV301E/NV701/NV701E 7 CIRCUIT DESCRIPTION Pin No.Pin NameI/ODescription 55 4226 CSOChip select to CS4226(IC602) for NV701. NC-Unused for NV301. 56 4226 PDNOPower down to CS4226(IC602) for NV701. NC-Unused for NV301. 57HIGH SPEEDOControl port of high speed for deck. 58 6

24、2446 LATCHOLatch control to M62446FP(IC313) for NV701. NC-Unused for NV301. 59TUNER MUTEOMuting control port for tuner. 60 7821 CLKOClock output to LC7821(IC311) for NV701. NC-Unused for NV301. 61 7821 DIOData output to LC7821(IC311) for NV701. NC-Unused for NV301. 62 7311 STBOStrobe output to NJM73

25、11AM(IC312) for NV701. NC-Unused for NV301. 63MAIN MUTEOControl port for main muting on/off. 64PHONE MUTEOControl port for headphones muting on/off. 65FRONT RLYOControl port for front relay. 66STANDBY RLYOControl port for standby relay. 67ATTOControl port for attenuation. 68TUNER CEOControl port of

26、chip enable for tuner. 69TUNER DIOData output to PLL IC. 70 7821CEOChip enable to LC7821(IC311) for NV701. NC-Unused for NV301. 71TUNER LEDOControl port of tuner led on/off. 72DECK LEDOControl port of deck led on/off. 73STANDBY REDOControl port of standby led(red) on/off. 74STANDBY GREENOControl por

27、t of standby led(green) on/off. 75AUX LED OControl port of video1/2,6ch led on/off for NV701. OControl port of AUX led on/off for NV301. 76CD LEDOControl port of CD led on/off. 77FAN CONTROLOControl port for fan. 7888NC-Unused. 89VDD-Power supply. 90100NC-Unused. Pin No.Pin NameI/ODescription 1VDD-+

28、5V power supply. 2RAMCEN-Unused. 3,4RAMA16,15-Unused. 57SDIB02I+PCM input 02 to Sub DSP. 8X1ICrystal oscillator connection (12.288MHz). 9XOOCrystal oscillator connection. 10VSS-Ground. 11AVDD-+3.3V power supply (for PLL circuit). 12SDIB3-Unused. 13,14TEST-Unused. 15OVFB-Unused. 16DTSDATA-Unused. 17A

29、C3DATA-Unused. 18SDOB3-Unused. 19CPOO Output terminal for PLL, to be connected to ground through the external analog filter circuit. 20AVSS-Ground (for PLL circuit). 21VDD-+3.3V power supply (for core logic). 2224SDOA2SDOA0-Unused. 2529RAMA14RAMA10-Unused. 30VSS-Ground. 2. Pin Description of DOLBY D

30、igital /Prologic/DTS recording IC : YSS912(IC603)-NV701ONLY RXD-NV301/NV301E/NV701/NV701E 8 CIRCUIT DESCRIPTION Pin No.Pin NameI/ODescription 31VDD-+5V power supply. 32CEN MUTEOMuting control of center channel. 33SURR MUTEOMuting control of surround channel. 34C/SW RLYOCenter/sub woofer relay contro

31、l. 35SURR RLYOSurround relay control. 36SW MUTEOMuting control of sub woofer channel. 37FRONT ON/OFFOControl port of front channel on/off. 38,39OPORT6,7-Unused. 40VSS-Ground. 41VDD-+3.3V power supply (for core logic). 4244RAMA97-Unused. 4547SDOB20OPCM output from Sub DSP. 48SDBCK1I+Bit clock input f

32、or SDOA, SDIB, SDOB. 49SDWCK1I+Word clock input for SDOA, SDIB, SDOB. 50VSS-Ground. 51VDD-+3.3V power supply (for core logic). 52NONPCM-Unused. 53CRC-Unused. 54MUTE-Unused. 55KARAOKE-Unused. 56SURENC-Unused. 57SDBCK0-Unused. 58,59RAMA6,5-Unused. 60VSS-Ground. 61RAMA4-Unused. 62ICIInitial clear. 63TE

33、ST-Unused. 64RAMA3-Unused. 65CSBISub DSP chip select. 66CSIMicroprocessor interface chip select input. 67SOOMicroprocessor interface serial data output. 68SIIMicroprocessor interface/Sub DSP serial data input. 69SCKIMicroprocessor interface/Sub DSP clock input. 70RAMA2-Unused. 71VDD-+5V power supply

34、. 7279RAMD0RAMD7-Unused. 80VSS-Ground. 81VDD-+3.3V power supply (for core logic). 82SDWCK0IWord clock input for SDIA,SDOA,SDIB, SDOB. 83SDBCK0IBit clock input for SDIA,SDOA, SDIB, SDOB. 84,85SDIA0,SDIA1IAC-3 bitstream (or PCM) data input for main DSP. 86,87RAMA1,0-Unused. 88RAMWEN-Unused. 89RAMOEN-U

35、nused. 90VSS-Ground. 91VDD-+3.3V power supply (for core logic). 92IPORT7I+Analog signal input connection for the right. 93,94IPORT6,5I+Analog signal input connections for the left channels. 95IPORT4I+OPT 1 input terminal. 96IPORT3I+Coaxial input terminal. 97IPORT2I+To be connected to pin 85. 98,99IP

36、ORT1,0I+Input terminal with a pull-up resistor. 100VSS-Ground. NOTE :I+ Input terminal with a pull-up resistor RXD-NV301/NV301E/NV701/NV701E 9 CIRCUIT DESCRIPTION Pin No.Pin NameI/ODescription 1,215G,16GOGrid signal(15G,16G) output. 3VDD-Power supply(+5.0V). 4POWER DOWN-Connected to ground. 5FOKIFOK

37、 data input. 6SCORISub code-Q read out timing input. 7,8NC-Connected to ground. 9SENSEISense signal input. 1012NC-Unused. 13PLUSEIInput pulse to find CD numbering position. 14XRSTOOutput for resetting CXD3017Q(IC501). 15CD MUTEOControl port of mute on/off.(at L is active) 16SYSTEM OFFOControl port o

38、f system off. 17XLATOSerial latch data output. 18LD ONOOutput to on/off laser. 19TEST SW-Unused. 20NC-Unused. 21MPEG CS -Unused. 22MPEG CLK-Unused. 23MPEG DATA-Unused. 24MPEG DATA-Unused. 25SQCKOClock data output for sub code-Q read out. 26SQSOISub code-Q data input. 27DATAOSerial data output. 28VRE

39、F-Reference voltage(+5.0V). 29DIG LINKI/OCommunication with main microprocessor. 30DIG LINKI/OCommunication with main microprocessor. 31DOWN SWIInput to detect that pick-up is down. 32UP SWIInput to detect that pick-up is up. 33OPEN SWIInput to detect that tray is opened. 34CLOSE SWIInput to detect

40、that tray is closed. 35,36NC-Unused. 37AVSS-Connected to ground. 38RESETIInput port for resetting to CPU. (at L is active) 39EXTALIInput port of 10MHz crystal oscillator. 40XTALOOutput port of 10MHz crystal oscillator. 41VSS-Connected to ground. 42NC-Unused. 43VSS-Connected to ground. 44VDD-Power su

41、ply(+5.0V). 45VFDP-Power supply(-30V) for FL display. 46OPEN SWOOutput to open the tray or down the pick-up. 47CLOSE SWOOutput to close the tray or up the pick-up. 48RTLOOutput to rotate the roulette ccw. 49RTROOutput to rotate the roulette cw. 50SPEED DOWNOOutput to decrese roulette speed. (at H is

42、 active) 51,52P1,P2OSegment signal output. 53P3OConnected to ground. 5485P4P35OSegment signal output. 86881G3GOGrid signal(1G,3G) output. 89VDD-Power supply(+5.0V). 901004G14GOGrid signal(4G14G) output. 3. Pin description of FL driver IC : CXP82832(IC101) Input VoltageOV0.42V0.84V1.27V1.74V2.25V2.63

43、V KEY 1 (29Pin)STOPSETDOWNUPENTERMENU/DEMO- KEY2 (30Pin)CDTUNERTAPEMD/DVDOPENDISC SKIP 4. Key Matrix ( ) : Port of IC2(u-COM) RXD-NV301/NV301E/NV701/NV701E 10 ADJUSTMENT RVSFWD NO.ITEMINPUT SETTING OUTPUT SETTING CASSETTE TAPE DECK SETTING ALIGNMENT POINTS ALIGN FORFIG. 0dBs = 0.775V I Cassette mech

44、anism unit (Adjustment of the REC / PLAY head) Unless otherwise specified, set the respective swiches as follows TAPE: NORMAL DOLBY: OFF (1) Demagnetization and cleaning Power : OFF Demagnetization, cleaning, PLAY Recording head, erase head, capstan pinch roller Demagnetize the REC / PLAY head with

45、the head eraser. Clean the REC / PLAY head, erase head, capstan and pinch roller using a cotton swab slightly damped with alcohol. (2) Azimuth of the REC / PLAY head SCC-1727 TCC-153 MTT-114 10kHz, -10dB TP401(L) TP402(R) TP401(L) TP402(R) TP401(L) TP402(R) TP401(L) TP402(R) Connect a DC voltmeter a

46、s follows. TP405(Lch), TP404(Rch) PLAY Adjust the output to maximum and adjust the azimuth adjustment screw for the Lissajours waveform pattern of the oscilloscope to become close to a 45 straight line. II PC BOARD ADJUSTMENT (1) TAPE SPEED (NORMAL) TCC-110 MTT-111 SCC-1727 3kHZ PLAYVR407 Adjust the

47、 tape speed so that 3kHz is obtained at the center of the tape. III PC board adjustment. (1) (2) PLAYBACK LEVEL SIGNAL CURRENT TCC-130 400Hz PLAY VR401(L) VR402(R) VR403(L) VR404(R) Adjust the playback output to 6dBs. -20dBs (3)BIAS CURRENT (A) 12.5kHz, -20dB Insert CrO2 blank TAPE (A) Adjust the AG for the output of the deck to be come -20dBs at 400Hz. REC PAUSE REC PLAY VR405(L) VR406(R) 7mV(NV701) 5.5mV(NV301) DECK BOARD VR407 VR404 SIGNAL CURRENT VR402 (PB/R) TP404(Rch) VR406 R BIAS L BIAS VR405 VR403 VR401 (PB L) TP402(Rch) GND TP401(Lch) TP405(Lch) RXD-NV301/NV301E/NV701/NV7