Kenwood-RDVH7-cs-sm 电路图 维修手册.pdf

《Kenwood-RDVH7-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-RDVH7-cs-sm 电路图 维修手册.pdf（32页珍藏版）》请在收音机爱好者资料库上搜索。

1、673 606 610 652 671621 607672616 620 605 eject on/standby mode stereo amplifier/tuner/CD RD-VH7 standby timer phones tuning band demo auto /mono p.callenter input stop multi control 609664J1J5J2J1 J2J3J4A1631 STEREO AMPLIFIER/TUNER/CD PLAYER RD-VH7 SERVICE MANUAL (VH-600/700) 1999-6/B51-5551-00 (K/K

2、) 3133 Knob(EJECT) * (K29-) Dressing panel (A21-3760-02) Panel (A60-1647-11) Insulator assy (J02-1444-24) Dressing panel * (A21-) Dressing panel (A21-3761-02) Indicator (B12-0360-04) Knob (K29-7556-04) Escutcheon (B07-2452-13) Front glass (B10-3488-03) Knob(POWER) (K29-7554-04) Power cord bushing (J

3、42-0083-05) Lock terminal board (E70-0052-05) Screw terminal board (E70-0111-05) Phono jack (E63-1082-05) Oscillating module (W02-1114-15) Rectangular receptacle (E08-0311-05) Phono jack (E63-1089-05) Side plate (A50-1326-02) Phono jack (E63-1088-05) Phono jack (E63-0164-05) AC power cord * (E30-) 7

4、0% KENWOOD-Corp. certifies this equipment conforms to DHHS Regulations No. 21 CFR 1040. 10, Chapter 1, Subchapter J. DANGER : Laser radiation when open and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM. In compliance with Federal Regulations, following are repro- ductions of labels on, or inside

5、 the product relating to laser product safety. *Refer to parts list on page 31. RD-VH7(K) COVER1,1P( 99.10.30 2:43 PM yW 2 RadioFans.CN 收音机爱 好者资料库 TIMERSLEEP POWER REPEAT 123 456 789 +100+100 RANDOM P.MODE CHECK CLEAR MUTE CDMDTAPE INPUT AUTO/MONO TUNER/BAND DISPLAYMEMORYTONE REMOTE CONTROL UNIT RC-

6、RP0702 N.B. TAPEMD P.CALL O.T.E. V O L U M E C O N T R O L TIMERSLEEP POWER REPEAT 123 456 789 +100+100 RANDOM P.MODE CHECK CLEAR MUTE CDMDTAPE INPUT AUTO/MONO TUNER/BAND DISPLAYMEMORY TA/NEWSPTY TONE REMOTE CONTROL UNIT RC-RP0702E N.B. TAPEMD P.CALL O.T.E. V O L U M E C O N T R O L AM loop antenna

7、(1) (T90-0842-05) Remote control unit (1) (A70-1282-05) : RC-RP0702Battery cover (A09-1148-08) Remote control unit (1) (A70-1283-05) : RC-RP0702EBattery cover (A09-1148-08) Batteries (R6/AA) (2) Replacement front feet (2) (J02-0130-05) Front feet replacement tool (Allen wrench) (1) (W01-0084-05) FM

8、indoor antenna (1) (T90-0841-05) RD-VH7 2 CONTENTS / ACCESSORIES CONTENTS / ACCESSORIES . 2 DISASSEMBLY FOR REPAIR.3 BLOCK DIAGRAM .4 CIRCUIT DESCRIPTION.5 CD MECHANISM DESCRIPTION .11 ADJUSTMENT.14 PARTS DESCRIPTIONS .15 PC BOARD .16 SCHEMATIC DIAGRAM .19 EXPLODED VIEW .29 PARTS LIST.31 SPECIFICATI

9、ONS .Back cover Contents Accessories Operation to reset The microcomputer may fall into malfunction (im- possibility to operate, erroneous display, etc.) when the power cord is unplugged while power is ON or due to an external factor. In this case, ex- ecute the following procedure to reset the micr

10、o- computer and return it to normal condition. RD-VH7 Unplug the power cord from the wall AC outlet and, while holding the “7 stop” key depressed, plug the power cord again. ?If a CD has been loaded in the unit, it will be ejected automatically. ?Please note that resetting the microcomputer clears t

11、he contents stored in it returns it to condition when it left the factory. System configuration SYSTEMCD CASSETTE SPEAKER NAMERECEIVERDECK VH-600RD-VH7-LS-VH7 VH-700RD-VH7X-VH7LS-VH7 RD-VH7(K) COVER1,1P( 99.10.30 2:43 PM yW 3 RadioFans.CN 收音机爱 好者资料库 RD-VH7 3 DISASSEMBLY FOR REPAIR REMOVE CD MECHANIS

12、M After remove insulator assy, then remove some LR side board. Next remove the top and the bottom boards. 1) Remove the 6 screws1, then remove the front panel. 2) Remove the 6 screws2 3, then remove the CD mechanism. When assemble the front panel, insert the phone jack with tak- ing care4. ELECTRIC

13、CHECK After assemble the sub panel and the front panel. 1) Remove the 8 screws 5, 6, then remove PCB(X09:B/4), PCB(X14:A/6). 2) Remove the 2 screws 7, the 3 PC supports8, then remove the CD mechanism. 3) After assemble PCB (X09:B/4) on the main PCB with the rear panel. then connect GND between the r

14、ear panel , the anten- na and the CD mechanism with 3 alligator clip wires(0). # Remove the MULTI CONTROL knob with a string(wires etc)-. 1 2 1 x2 x4 4 2 2 3 3 3 6 7 7 11 (X14) (A/6) MAIN PCB (X09) 8 x3 5 x3 5 x2 5 9 10 10 10 6 (X09) (B/4) RD-VH7(K) COVER1,1P( 99.10.30 2:43 PM yW 6 RadioFans.CN 收音机爱

15、 好者资料库 RD-VH7 4 BLOCK DIAGRAM HEADPHONE J3 12V AVR TUNER PACK AM,FM ANTENNA FAN X-Y POSITION N.B. BASS TRE. THERMAL SW BIAS Cont. LEVEL SENSOR PROTECTION (TILT)SENSOR STK499-090 MAIN AMP. Cont. SYSTEM TAPE PLAY MD REC TAPE REC T.MUTE J1 TONE SELECTOR REC OUT A1 J1 Q1-3 IC2 ATT INPUT VOLUME MASTER IC

16、3 BU4066BCF A.MUTE IC1 K3 K2 J5 J2 Q1,2 Q7,8 IC8 Q5,6,10 PH1-4 M30622MC-570FP MAIN u-COM LED TACT KEY M.C/ENCODER REMOCON SENSOR S2-13 S1 A2 D11,12 DISPLAY u-COM HD6433297A17F LCD ASSY IC4 IC5 -13V AVR -10V AVR FAN+B AVR +6.3V AVR +5V AVR +5.6V AVR +5.6V AVR MUTE Q12 CD MECHA DRIVER FAN LCD MUTE BIA

17、S CHANGE TUNER PACK AUDIO CD MECHA SENSOR LCD DISPLAY u-COM LED u-COM AMP. +B AMP. -B Q20 Q33 Q17 Q23-26 IC10 IC6 Q22 Q28 DSP/DAC SERV0 RF AMP 5ch BTL DISC SENSOR D10 D11 D18 K1 T1 BACK UP TRANS. MAIN TRANS. DIGITAL DIGITAL ANALOG IC400 IC401 IC402 M PICKUP M MOTOR DISC SLED MOTOR D1-4,Q1-4 S1 CD SL

18、OT IN MECHANISM (CDM-34) 200mV/100 REC OUT 200mV/47K INPUT 9.5V/6 SP.OUTPUT (2CH) S.W. OUT SPEAKER LC75396NE IC403 A4 MD PLAY AUX OPTICAL OUT (+5V) RDS AC IN LOADING MOTOR M + + + + A-D RD-VH7 (X14)(X09) (X14) RD-VH7(K) COVER1,1P( 99.10.30 2:43 PM yW 7 1. INITIAL SETTING 1-1 INITIAL CONDITIONS (1) A

19、MP POWEROFF PROTECTIONNO DETECTED MUTEOFF SELECTORTUNER VOLUME15 BALANCECENTER NB2 BASS0 TREBLE0 MD INPUT0 (-6dB) TAPE INPUT0 (-6dB) AUX INPUT0 (-6dB) MULTI WINDOWAUTO (2) TUNER BANDFM Pch MEMORYREFER TO (5) LAST Pch LAST FREQ.LOWER LIMIT VALUE OF EACH BANDS AUTO/MONOAUTO AUTO PRESET (MEMORY) E ON T

20、HRUST RECEIVING MODE OFF RDS DISPLAYPS (3) CLOCK, TIMER CLOCKSTOP, AM 12:00 PROG. 1,2 ON TIMEAM12:00 OFF TIMEAM12:00 PLAY MODEPLAY SOURCETUNER Pch01ch REC MODETAPE O. T. T.OFF (AM7:00) TIMER OPERATION MODE OF F SLEEP TIMEROFF(5) A. P. S.OFF (4) CD PLAY MODETRACK REPEATOFF RANDOMOFF OPERATION MODESTO

21、P TIME DISPLAYSINGLE TIME (5) TUNER PRESET FREQUENCY ch TUNER DESTINATION E1K1E3 1FM97.5MHz FM97.5MHzFM97.5MHz 2FM87.5MHz FM87.5MHzFM87.5MHz 3FM89.1MHz FM89.1MHzFM89.1MHz 4FM108.0MHz FM108.0MHzFM108.0MHz 5FM90.0MHz FM90.0MHzFM90.0MHz 6FM87.5MHz FM87.5MHzFM87.5MHz 7FM87.5MHz FM87.5MHzFM87.5MHz 8FM87.

22、5MHz AM1610KHzFM87.5MHz 9AM1602KHz AM1700KHzAM1602KHz 10AM999KHz AM1000KHzAM999KHz 11AM630KHz AM630KHzAM630KHz 12AM1440KHz AM1440KHzAM1440KHz 13FM106.0MHz FM106.0MHzFM106.0MHz 14AM531KHz AM530KHzAM531KHz 15FM87.5MHz FM87.5MHzFM87.5MHz 16FM98.0MHz FM98.0MHzFM98.0MHz 17FM98.5MHz FM98.5MHzFM98.5MHz 18F

23、M87.5MHz FM87.5MHzFM87.5MHz 19AM990KHz AM990KHzAM990KHz 20FM97.7MHz FM97.4MHzFM97.7MHz 21AM531KHz AM530KHzAM531KHz 22FM87.5MHz FM87.5MHzFM87.5MHz 23FM87.5MHz FM87.5MHzFM87.5MHz 24FM87.5MHz FM87.5MHzFM87.5MHz 25FM87.5MHz FM87.5MHzFM87.5MHz 26FM87.5MHz FM87.5MHzFM87.5MHz 27FM87.5MHz FM87.5MHzFM87.5MHz

24、 28FM87.5MHz FM87.5MHzFM87.5MHz 29FM87.5MHz FM87.5MHzFM87.5MHz 30FM106.0MHz FM106.0MHzFM106.0MHz 31FM87.5MHz FM87.5MHzFM87.5MHz 32FM87.5MHz FM87.5MHzFM87.5MHz 33FM87.5MHz FM87.5MHzFM87.5MHz 34FM87.5MHz FM87.5MHzFM87.5MHz 35FM87.5MHz FM87.5MHzFM87.5MHz 36FM87.5MHz FM87.5MHzFM87.5MHz 37FM87.5MHz FM87.

25、5MHzFM87.5MHz 38FM87.5MHz FM87.5MHzFM87.5MHz 39FM108.0MHz FM108.0MHzFM108.0MHz 40AM999KHz AM1000KHzAM999KHz 2. BACKED UP ITEMS AC POWER OFF (1) AMP POWERBACK UP PROTECTIONCANCELLED MUTEOFF SELECTORBACK UP VOLUMEBACK UP BALANCEBACK UP 5 RD-VH7 CIRCUIT DESCRIPTION 1p 99.10.30 3:08 PM y W 1 6 RD-VH7 CI

26、RCUIT DESCRIPTION NB2 BASSBACK UP TREBLEBACK UP MD INPUTBACK UP TAPE INPUTBACK UP AUX INPUTBACK UP MULTI WINDOWBACK UP (2) TUNER BANDBACK UP Pch MEMORYBACK UP LAST PchBACK UP LAST FREQ.BACK UP AUTO/MONOBACK UP AUTO PRESET (MEMORY)BACK UP E ON THRUST RECEIVING MODE BACK UP RDS DISPLAYPS (3) CLOCK, TI

27、MER CLOCKPOWER FAILURE MODE PROG. 1, 2 ON TIMEBACK UP OFF TIMEBACK UP PLAY MODEBACK UP SOURCEBACK UP PchBACK UP REC MODEBACK UP O. T. T.BACK UP TIMER OPERATION MODEBACK UP SLEEP TIMEROFF A. P. S.BACK UP (4) CD PLAY MODETRACK REPEATOFF RANDOMOFF OPERATION MODESTOP TIME DISPLAYSINGLE TIME 3. CONDITION

28、S ACCORDING TO THE DESTINATION ( ) SIGNIFIES PIN NUMBER OF u-COM(X09, IC4) 4. LCD INDICATION 5. How to Set the Test Modes 5-1 AUX(MD/TAPE/AUX) Setting: Insert the power cord to the wall outlet with pressing the MODE key. Cancel: Press any key of operation. A part A of display shows destination(8). s

29、tandby LED lights orange and green color alternately in this test mode. A part E of display shows as follows after selecting MD mode. 5-1-1 Display Contrast Setting Display contrast is available in LED and all segments of display lighting Contrast is set to initialization if cancel test mode. 5-1-2

30、Mute Setting Muting function is available by pressing AUTO/MONO key. 5-1-3 AUX IN Level Setting Select the level of aux input from +3, 0, or -6 by pressing the FB key. Multi control knob is available for same setting after mode key is pressed. 5-1-4 Noise Blanker Setting Select the level of NB from

31、NB1,NB2 or NB OFF by pressing the SKIP DOWN key. 5-1-5 BASS/TREBLE setting Select the level of tone from tone max, tone flat or tone min by pressing the BAND key. Display shows as follows. Multi control knob is available for same setting after mode key is pressed. selectordisplay Edisplay A MDMD#TES

32、T8-TYPE# TAPETAP#TEST8-TYPE# AUXAUX#TEST8-TYPE# #=space keyremarks FFcontrast min. skip upinitialization play/pausecontrast max. display Adisplay B bass treble valuevalue tone max.BASS/TER#MAX+8+8 tone min.BASS/TER#MIN-8-8 tone flatBASS/TER#CENTER00 DESTI- u-COMDSW RECEIVING CHANNEL NATION DESTI- NA

33、TION 2 (72PIN) 1 (71PIN) 0 (70PIN) BAND FREQUENCY RANGESPACE IFRF J J010 FM 76.0MHz 87.5MHz 100kHz-10.7MHz 25kHz 87.5MHz108.0MHz 50kHz-10.7MHz 25kHz AM 531kHz1629kHz 9kHz +450kHz 9kHz K,P K1000 FM 87.5MHz108.0MHz 100kHz+10.7MHz 25kHz AM 530kHz1700kHz 10kHz +450kHz 10kHz M E1001 FM 87.5MHz108.0MHz 50

34、kHz+10.7MHz 25kHz AM 531kHz1602kHz 9kHz +450kHz 9kHz E,T E3110 FM 87.5MHz108.0MHz 50kHz+10.7MHz 25kHz RDS AM 531kHz1602kHz 9kHz +450kHz 9kHz PARTS OFF LCD INDICATION A PART B PART C PART D PART E PART PROG 1 2 OTT APS RADIO T 1p 99.10.30 3:08 PM y W 2 7 RD-VH7 CIRCUIT DESCRIPTION 5-1-6 Balance Setti

35、ng Select the level of balance from L-ch, max, R-ch max or center by pressing the MODE key. Multi control knob is available for same setting after mode key is pressed. 5-2 TUNER Setting: Insert the power cord to the wall outlet with pressing the BAND key. Cancel: Press any key of operation. A part E

36、 of display shows RADIO T. standby LED lights orange and green color alternately in this test mode. 5-2-1 Dimmer Setting Dimmer is available in LED and all segments of display lighting Select the on/off of dimmer from dimmer on or dimmer off by pressing the CD/PLAY/PAUSE key. Dimmer is set to OFF if

37、 cancel test mode. 5-2-2 P.CALL Setting Select the step of p.call from 10,20, - 40 or 01(10steps) by pressing the MODE key. 5-2-3 P. CALL Up/Down Setting This setting is available by P.CALL UP/DOWN key. 5-2-4 Normal Mode (AUX/TUNER) This setting is available by pressing MODE key for 1.5 secs . CD ej

38、ect works except tuner mode. 5-3 Sub Clock Oscillation Check Setting: Insert the power cord to the wall outlet with pressing the INPUT key. Cancel: Press any key of operation. However continue tuner test mode. Display lights if oscillation and period are ok. Display shows ERR1(oscillation) or ERR2(p

39、eriod) and stop to check after 5 time checks. 5-4 CD Setting: Insert the power cord to the wall outlet with pressing the PLAY key. Cancel: Press any key of operation. However a part B of display is only cancel. A part A of display shows mechanism sensors. Disc loading sensor/8cm sensor/12cm sensor/d

40、own switch in order. Display shows - at first time. A part B of display shows CD-TEST LED is blanking. 5-4-1 Mechanism Sensor Check Display shows from - to 0 or x after loading the disc. 0 means sensor works. x not works. 5-4-2 Adjusting 5-4-3 Pickup Movement 5-4-4 Initialization in Test Mode CD sto

41、p to playback. Display B shows 0100:00 5-5 Factory Test Check 5-5-1 Initial Operation Setting: Insert the power cord to the wall outlet with pressing the AUTO/MONO key. Cancel: Turn power off. 1. Check sub clock oscillation. Display lights for 2 secs. If no problem. 2. Display A shows destination. 3

42、. Display A shows sensors condition with H or L after any key is pressed. 5-5-2 Display Check Displays dots light on or off by pressing MODE key. Back light is always on. 5-5-3 Slot Check 6. Initialization Setting: Insert the power cord to the wall outlet with pressing the STOP key. Initialize ampli

43、fier section(preset,time reset and RAM) after CD mechanism initialization. Turn unit to standby mode. Display shows INITIALIZE for check time. Display shows CD EER if any trouble. 7. Cancel of Test Mode Initialized and cancel test mode if pulling out power cord. Not initialized and cancel test mode

44、if the power switch turns off. Turn normal mode if pressing STOP key in stop condition of CD test mode. 8. Common Operation in Test Mode 1. Volume level is 40 at every test mode start up. 2. No muting with switching test mode. But muting-on if power switch on/off. 3. AUX test mode is available for s

45、electing MD,TAPE, or AUX 4. Initialize setting value or condition if pull out the power cord. 5. AUX IN LEVEL is initialized to +3(0dB). 6. Input key is available for switching test mode item,tuner,cd, MD, tape and aux. keydescription CD PLAY/tracking servo on/off PAUSEdisplay B shows 0588:88 if ser

46、vo on display B shows 03-:- if servo off skip uphorizontal or vertical position choice display B shows 05V88:88 in horizontal mode (servo gain and tracking bias) keydescription FFslot in operation. Display B shows LOAD FBslot out operation. Display B shows UNLOAD. keydescription FFpickup travels out

47、wards and display B shows OUTSIDE. FBpickup travels inwards and display B shows INSIDE. 1p 99.10.30 3:08 PM y W 3 RD-VH7 CIRCUIT DESCRIPTION 8 9. Common Operation in AUX/TUNER Test Mode 9-1 Bias and Main Volume Level Set unit to aux or tuner test mode. Select the proper value with CD PLAY/PAUSE or C

48、D STOP key. Multi control knob is available for same setting after mode key is pressed. 9-2 FAN Operation Display C shows fan condition. volumebiasdisplay D 0pure A lowPURE#A#L 1pure A lowPURE#A#L 20pure A midPURE#A#M 40pure A highPURE#A#H 80pure B lowPURE#B#L FANDisplay C offFAN#OFF# lowFAN#low# high