Kenwood-KRFV8010D-avr-sm1 电路图 维修手册.pdf

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1、AV SURROUND RECEIVER KRF-V7510D/VR-208 KRF-V8010D/VR-209 SERVICE MANUAL 1998-4/B51-5419-00 (K/K) 1796 A SPEAKERS BBASS BOOSTMONITOR SOURCE DIRECT INPUT MODE LISTEN MODESOUNDSETUP MULTI CONTROLINPUT SELECTOR VOLUME CONTROL DOLBY DIGITAL CLIP INDICATOR DOWNUP STANDBY AV SURROUND RECEIVER ON / STANDBY

2、PHONES - ON OFF POWER DIMMERP.CALLP.CALLBANDAUTOMEMORY REC OUT PHONOCDMD / TAPEMONITOR PLAY INREC OUT PLAY IN L R VIDEO 2 DOLBY DIGITAL / PCM IN VIDEO 3VIDEO 1VIDEO 1VIDEO 2VIDEO 3 VIDEO 1VIDEO 2VIDEO 3 REC OUTPLAY INPLAY INPLAY IN MONITOR VIDEO INVIDEO OUT FM 75 GND AM ANTENNA () SYSTEM CONTROL SL1

3、6 (XS8) SUBWOOFERSURROUND PRE OUT CENTER L R CENTER SPEAKERFRONT SPEAKERS + - R A L C SURROUND SPEAKERS FRONT SPEAKERS LR +- +- LR B Indicator (B12-0340-04) Lock terminal board (E70-0080-05) Phono jack (E63-1021-05) Phono jack (E63-1022-05) Power cord bushing (J42-0083-05) AC power cord * (E30-) KEN

4、WOOD badge (B43-0302-04) Knob (K29-6879-02) Front glass (B10-2426-02) Knob (K29-6898-03) Knob (K29-6880-04) Knob (BUTTON) (K27-2274-04) Phono jack x 2 (E63-0172-05) Lock terminal board (E70-0068-05) AC outlet * (E03-) Metallic cabinet (A01-3534-01) Foot (J02-1405-03) Foot (J02-1405-03) Phone jack(3P

5、) (E11-0295-05) Knob (K29-6879-02) Knob (K29-6881-04) Panel * (A60-) Miniature phone jack(2P) (E11-0347-05) Phono jack x 2 (E63-0173-05) Screw terminal board (E70-0089-05) * Refer to parts list on page 32. Slide switch (S62-0034-05) Phono jack (E63-1020-05) Optical receiving module (W02-1181-05) Pho

6、no jack (E63-1015-05) VR-208(K) COVER-2P( 98.4.24 16:31 y W 2 RadioFans.CN 收音机爱 好者资料库 KRF-V7510D/V8010D/VR-208/209 2 CONTENTS / ACCESSORIES Contents CONTENTS / ACCESSORIES .2 CONTROLS .3 DISASSEMBLY FOR REPAIR.5 BLOCK DIAGRAM .6 CIRCUIT DESCRIPTION.7 ADJUSTMENT.11 PC BOARD .12 SCHEMATIC DIAGRAM .17

7、EXPLODED VIEW .31 PARTS LIST.32 SPECIFICATIONS .41 Accessories FM (T90-0810-05) (A70-1194-05) : KP1Y1K1P2Y2M1 (A70-1195-05) : V Battery cover (A09-0366-08) (E03-0115-05) indoor antenna (1) (T90-0833-05) Loop antenna stand (1) Remote control unit (1) Batteries (R03/AAA) (4) *AC plug adaptor (1) *Use

8、to adapt 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) Resetting the Microcomputer If the microcomputer may malfunction (unit cannot be operated, or shows an erroneous display) if the power cord is unplugged while

9、 the power is ON, or due to some other external factor. If this happens, execute the following procedure to reset the micro- computer and return the unit to its normal operating condition. Unplug the power cord from the wall outlet, then plug it back in while holding down the POWER key. Please note

10、that resetting the microcomputer will clear the contents of the memory and returns the unit to the state it was in when it left the factory. With the power cord plugged in, turn the POWER key OFF. Then, while holding down the ON/STANDBY key, press POWER. For U.S.A. and Canada For other countries VR-

11、208(K) COVER-2P( 98.4.24 16:31 y W 3 RadioFans.CN 收音机爱 好者资料库 KRF-V7510D/V8010D/VR-208/209 3 CONTROLS A SPEAKERS BBASS BOOSTMONITOR SOURCE DIRECT INPUT MODE LISTEN MODESOUNDSETUP MULTI CONTROLINPUT SELECTOR VOLUME CONTROL DOLBY DIGITAL CLIP INDICATOR DOWNUP STANDBY AV SURROUND RECEIVER ON / STANDBY P

12、HONES - ON OFF POWER POWER STANDBY ON / STANDBY DIMMERP.CALLP.CALLBANDAUTOMEMORY * *; FM AM kHz MHz3 STEREO B S.DIRECT ASP MUTE DOWNMIX MONITOR PRO LOGIC TUNED MEMO. AUTO ST. AUTO SOUND S SW C RS R LS L LFE DIGITAL 2394 57 860 ?)%$#!& *( 1 Display Speaker selection indicators Input channel indicator

13、s Output channel indicators AUTO SOUND indicator Band indicators AUTO indicator MEMO. indicator ST. indicator TUNED indicator 3 STEREO indicator STEREO indicator 1 POWER key (For U.S.A. and Canada) Use to turn the power ON/OFF. STANDBY indicator 1 ON/STANDBY () key (Except for U.S.A. and Canada) Use

14、 to switch the power ON/STANDBY when the POWER is turned ON. STANDBY indicator 2 POWER key (Except for U.S.A. and Canada) Use to turn the main power ON/OFF. 3 DOLBY DIGITAL indicator Lights when the receiver is in the Dolby Digital mode. 4 CLIP INDICATOR Lights when the input signal is too large to

15、be handled by the receiver, and clipping is occurring. 5 DIMMER key Use to adjust the brightness of the display. 6 P.CALL keys Use to call up previously registered radio stations. 7 BAND key Use to select the broadcast band. 8 AUTO key Use to select the auto tuning mode. 9 MEMORY key Use to store ra

16、dio stations in the preset memory. 0 VOLUME CONTROL knob ! PHONES jack Use for headphone listening. SPEAKERS A/B keys Use to turn the speakers ON/OFF. # BASS BOOST key Use to select the maximum adjustment setting for the low frequency range. About the STANDBY indicator This unit has a STANDBY indica

17、tor. When the STANDBY indicator is lit, the unit consumes a small amount of power to preserve the memory. This is called STANDBY mode. This mode also lets you turn the power ON using the remote control. Frequency display, Input display, Preset channel display, Surround mode display Speaker indicator

18、 MUTE indicator PRO LOGIC indicator DIGITAL indicator S.DIRECT indicator MONITOR indicatorDOWNMIX indicator $ MONITOR key % SOURCE DIRECT key INPUT MODE key Use to switch between the digital and analog inputs. & LISTEN MODE key Use to select the listening mode. * SOUND key Use to adjust the sound qu

19、ality and ambi- ence effects. ( SETUP key Use to select the surround sound settings. ) MULTI CONTROL knob Used to make a variety of settings. INPUT SELECTOR knob Use to select the input sources. For U.S.A. and Canada VR-208(K) COVER-2P( 98.4.24 16:31 y W 6 RadioFans.CN 收音机爱 好者资料库 KRF-V7510D/V8010D/V

20、R-208/209 4 CONTROLS 8 FUNCTION SHIFT key Use in combination with the numeric keys to execute alternate commands. 9 Numeric keys Provide functions identical to those of the original remote control supplied with the component you are controlling. To access the functions printed above the keys, press

21、within 3 seconds of pressing the FUNCTION SHIFT key. Function avail- ability varies for each component. 0 SHIFT key Use in combination with the AUDIO and VIDEO keys to change the remote control mode without changing the input selector or in combination with the POWER key to turn on and off component

22、s programmed into the remote control. ! TV selector key Sets the remote control to operate a TV or cable box. This key does not change the input selector on the receiver. AUDIO selector key Selects the audio inputs and sets the re- mote control to operate the respective KENWOOD audio component. If y

23、ou connect audio components from KENWOOD and other makers to the MD/ TAPE or CD jacks, you can set the remote control to operate these components by registering the appropriate setup code at the respective input. # GUIDE key Use to activate the OSD menu functions of registered components. $ VOLUME k

24、ey Use to adjust the receiver volume. % MUTE key Use to temporarily mute the sound. SOUND key Use to adjust the sound quality and ambi- ence effects. & LISTEN MODE key Use to select the listening mode. * SETUP key Use to select the surround sound settings. 1 POWER key Use to turn the receiver on and

25、 off. Use in combination with the input selector (AUDIO, VIDEO, or TV) keys and SHIFT key to turn various components on and off. 2 MACRO key Use in combination with the AUDIO, VIDEO, or TV keys to execute a series of com- mands automatically (MACRO PLAY). 3 VIDEO selector key Selects the video input

26、s and sets the re- mote control to operate the component registered at the respective input. 4 Multi control keys Use to operate the selected component. 5 REC key Use to operate the selected component. 6 TUNING/SKIP key Use during the setup procedure to specify various settings. Use to operate the t

27、uner or selected component. 7 SUBWOOFER key Use in combination with the VOLUME +/ keys to adjust the volume of the subwoofer. There are some cases in which keys (or knobs) that have the same function on the receiver and on the remote control have different names. In the instruc- tions of this manual

28、, if the names of corresponding keys (or knobs) on the receiver and remote control are differ- ent, the name of the remote control key is indicated in parentheses. AUDIO SHIFTMACRO TVVIDEO GUIDEREC MUTE VOLUMETUNING/SKIP THEMEFAVMENU FUNCTION SHIFT SETUP INFOALT AUDTV/SAT/VID REPEATRANDOM+100 DISPLA

29、Y ENT+10 LISTEN MODESOUNDSUBWOOFER 231 564 897 0 1 2 3 7 8 9 4 5 6 0 ! # * & % $ 8 7 4? ? 6 BAND P. CALLP. CALL POWER VR-208(K) COVER-2P( 98.4.24 16:31 y W 7 KRF-V7510D/V8010D/VR-208/209 5 DISASSEMBLY FOR REPAIR 1. Remove the 8 screws (1,2,3), remove the rear panel. 2. Connect the GND of the rear pa

30、nel and the chassis, the GND of the mounting hardware and the chassis with 2 alligators clip (4) 1 2 2 4 4 4 3 3 x2 x2 x3 (VR-257) VR-208(K) COVER-2P( 98.4.24 16:32 y W 10 KRF-V7510D/V8010D/VR-208/209 6 BLOCK DIAGRAM IC2 2 + 470uF 3300uF ONLY for 100W 2200uF 470uF 3300uF ONLY for 100W 4700uF 3300uF

31、for 50W 3300uF 4700uF for 50W + + + + + L/RLS/RSC DIR SW RS LS C R L LS, RS C SW BYPASS 2 2 + + AD DA LFE L, R L, R (X08) (X09) (X08) (X00) (X14) VR-209 D3-6 or20.0V/8 IC12 IC11 IC11 IC12 IC10 IC10 (2/2) (2/2) (1/2) (1/2) (2/2) (1/2) T1 D1-4 CONVERTER DIR DA&AD TC9162AF UNIT INPUT SEL. IC7(3/3) ED51

32、 IC51 K3 2 2 DOL.DIG,P.LEVEL) (SDATA, SBUSY) SYNCHRO PROTECTION (DATA, CLK) E2ROM 5 8TUNER PLLDT, PLLDO, PLLSD, STEREO, SLEVEL) RESET (SCK,SI,SO,IC) 3 3 (VIDEO A, VIDEO B, VMUTE) RELAY C, RELAY S) VIDEO E-VOL (VOL STB, VOL CLK, VOL DT) 10dB ATT MUTE (TMUTE, PLLCE, PLLCLK, (STANDBY 4RELAY (RELAY FA,

33、RELAY FB, POWER RELAY u-COM CXP82532-141Q AC-3 LED 7 8 3 11GRID SEGMENT KEYSCAN KEY RETURN FL KEY MATRIX REMOCON IN ROTARY ENC6 28.3V/8 SP. 5ch OUTPUT PRE OUT C, SL, SRch SWch2V/2.2K 1V/2.2K K2 K4 K1 IC3 IC4 Q16 Q12 Q11 Q13 Q10 Q9 Q8 Q6 Q5 Q7 Q4 Q3 IC9 IC5 IC19,20 HPF IC13 IC12 IC16 IC17 (1/2) IC15

34、(1/2) IC14 (2/2) IC15 (2/2) IC14 IC2IC1 Q2 IC10 -30V A.V.R IC2 IC1 D5 D2 D1 S1 SWITCHED Q1 K1(ONLY for J, E, T TYPE) VIDEO SEL IC6(3/3) IC8 IC11 IC7(2/3) IC6(2/3) IC7(1/3) VIDEO IN/OUT IVP-P/75 OUT IN 200mV/2.2K 200mV/47K AUDIO IC6 IC22 (2/2) IC22(1/2)IC23(1/2) IC23(2/2) IC21 PHONO 2.5mV/47K IC6(1/3

35、) IC5 IC3 J1 A1 TC9164AF TC9163AF for RELAY SW for ONLY for 100W AMP (LOW TAP) for AMP (HI TAP) TUNER (AUDIO and VISUAL) for FIL for DSP, AD/DA, DIR for u-COM (-30V) for E. VOL for for E. VOL 5V A.V.R -7V +7V +5V -15V A.V.R A.V.R +15V u-COM for A.V.R +5V AC IN SP-A SP-B REC OUT SWch Cch SRch SLch SR

36、ch SLch Rch Lch Cch Rch H, P, Lch H, P, Rch Lch REC OUT OUT REC PLAY MONITOR VIDEO1 VIDEO1 VIDEO2 VIDEO3 VIDEO1 TAPE1 /MD TAPE2 /MONI PLAY /MONI TAPE2 /MD TAPE1 PHONO CD VIDEO1 VIDEO2 VIDEO3 DIGITAL IN VIDEO2 OPTICAL COXIAL VIDEO3 -B LOWTAP +B LOWTAP -B HITAP +B HITAP MUTE10dB ATT or STK407-290 STK4

37、10-030 or STK411-230 STK407-090 BUF x0.5 SWch RSch LSch Cch Rch x0.6 ATT HPF HPF x0.5 ATT DSP YSS248 MIXx2 BUF IC18 SW LPFSW MIX x1x0.3x0.3x0.6 x1x2x2x2 LPFLPFLPFLPF ATT OFF ATT 1 ATT 2 CS4226 NJM2279M IC4 TUNER PHONO EQ LINE BUF Lch TONE CONT. with 6ch E. VOL M62446SP VR-208(K) COVER-2P( 98.4.24 16

38、:32 y W 11 KRF-V7510D/V8010D/VR-208/209 7 CIRCUIT DESCRIPTION FL DISPLAY (X09) ED51 11GRID 17SEGMENT X8 X3 X3 X4 X3 X3 X2 X2 X2 (X09) S517 SERIAL BUSY DATA VOLUME ENCODER (X09) S519 MULTI ENCODER (X09) S518 SELECTOR ENCODER (X09) X4 X1 X3 X3 8.0MHz CE RESET X3 X1 X3 X2 (M TYPE ONLY) AUDIO MUTE TUNER

39、 MUTE TUNER (X09) IC2 (X09) IC1 -10dB ATT SD STEREO X1 11-MT-116GK LED (PEAK. LEVEL) (DOLBY DIGITAL) (STANDBY) (X09) IC6,7 AUDIO SELECTOR (X08) IC4 NJM2279M (X09) A501 REMOCON VIDEO SELECTOR IC TC9163/9164 CXP82832-141Q (X00) POWER Relay - (K1) SP. A RELAY - (K1) SP. B RELAY - (K2) SURR RELAY - (K3)

40、 CENTER RELAY - (K4) (X08) IC1 DSP IC (X08) IC2 DAC IC YSS248 CS4226 (CRYSTAL) (X09) IC5, 6 FUNCTION SW (X09) IC9 VOLUME IC (X09) IC52 E2PROM M62446FP LC72131 X24CO2 (XICOR) TC9162/9164 12KR013KR114KR2 81KS0P.CH DOWNON/STANDBYSPEAKER A 80KS1P.CH UPDIMMERSPEAKER B 79KS2BANDLISTEN MODEBASS BOOST 78KS3

41、AUTOSOUNDMONITOR 77KS4MEMORYSETUPSOURCE DIRECT 76KS5INPUT MODE 75KS6DSW0DSW1DSW2 74KS7 * No. of : u -COM Port NO. DSW3DSW (AC3) Key matrix 1. Microprocessor CXP82832-141Q(X09 : IC51) 1-1 Microprocessor periphery block diagram VR-208(K) COVER-2P( 98.4.24 16:32 y W 14 Pin No.Pin NameI/ODescription 1,2

42、G10,11ODisplay grids 10,11 3NoneIc test mode port. 4,5NoneINo connect 6AUDIOIAudio signal detection port. L=AUDIO. 7VOL.ENC.AIVolume encoder A(clockwise) output. 8REMOCONIRemote contol signal input. 9VOL.ENC.BIVolume encoder B(counterclockwise) output. 10,11NoneOIc test mode port. 12-14KR0-2IKey ret

43、urn 0-2. 15PROTECTIProtection signal detection port. H=PROTECT. 16S.DATAI/OSerial DATA signal. 17S.BUSYI/OSerial BUSY signal. 18E2.DTI/OE2 PROM data. 19E2.CLKI/OE2 PROM clock. 20SEL.ENC.AISelector encoder A(clockwise) input. 21SEL.ENC.BISelector encoder B(counterclockwise) input. 22MULTI.ENC.AIMulti

44、 encoder A(clockwise) input. 23MULTI.ENC.BIMulti encoder B(counterclockwise) input. 24SER.INISL16/XS8 selector. H=16bit. 25AC3.SCKOYSS248 clock output. 26AC3.SIIYSS248 data input. 27AS3.SOOYSS248 data output. 28VddAnalog power supply(+5V) 29NoneINo connect 30SEL.ST2OTC9162AF/63AF/64AF st2 output. H=

45、latch. 31AC3.CSOYSS248 CS output. 32CODEC.CSOCS4226 CS output. 33PLL.DOIPll ic do signal input port. 34PLL.STITuner stereo signal detection port. L=STEREO. 35PLL.SDITuner sd signal detection port. L=TUNED. 36RCV.CEIReceiver chip enable signal port. L=ENABLE. 37AvssAnalog GND. 38RESETIMicroproessor r

46、eset signal. 39,408MHzIMain clock generation(8MHz). 41VssMicroprocessor GND. 42NoneINo connect 43TEXGND. 44VddPower supply(+5V). 45VfdpPower supply(-33V). 46SEL.ST1OTC9162AF/63AF/64AF st1 output. H=latch. 47PLL.DTOPll ic data signal output port. 48PLL.CKOPll ic clock signal output port. 49PLL.CEOPll

47、 ic ce signal output port. 50T.TUNEOTuner mute control. L=mute on. 51A.MUTEOOutput mute control. L=mute on. 52SW.MUTEOSub woofer mute control. L=mute on. 5310dB.ATTOVolume 10dB attenuation control. H=att. on. 54VOL.DTOVolume ic (M62446SP) data control. 55VOL.CKOVolume ic (M62447SP) clock control. H=active. 56VOL.STOVolume ic (M62448SP) st control. H=active. 57VCR.MUTEOVideo ic (NJU2279D) cont2/4 mute control. L=mute on. 58VCR.AOVideo ic (NJU2279D) cont1 mute control. H/L=static. 59VCR.BBOVideo ic (NJU2279D) cont3 mute control. H/L=static. 60FA.RLYOFront A speaker rela