Kenwood-KRFV7773D-avr-sm 电路图 维修手册.pdf

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1、AUDIO VIDEO SURROUND RECEIVER KRF-V7773D/V7773D-B 2000-4/B51-5616-00 (K/K) 2135 KRF-V9993D SERVICE MANUAL STANDBY PHONES DOLBY DIGITALDTS MPEG96k fs D.R.I.V.E.HDCD INPUT SELECTOR DOOR OPEN/CLOSE VOLUME CONTROL DOWNUP AV - AUX S VIDEOVIDEOL - AUDIO - R ASPEAKERS CD 2 / TAPE 2 MONITORB CLIP INDICATORP

2、RO LOGIC3 STEREO ON/STANDBY POWER + - + - DIGITAL OUT DVD CD1 MD/ TAPE1 CD-R VIDEO2 VIDEO3 VIDEO4 OPTICAL DIGITAL IN COAXIAL Cr Cb Y Cr Cb Y Cr VIDEO 4 IN DVD IN MONITOR OUT Cb Y COMPONENT VIDEOS VIDEOVIDEO REC OUT PLAY IN REC OUT PLAY IN PLAY IN PLAY IN PLAY IN MONITOR OUT SURROUND CENTERSUBWOOFER

3、DVD/6 CH. INPUT VIDEO4 VIDEO3 VIDEO2 VIDEO1 DVD FRONT RLAUDIO SIGNAL GND RL L R L R B L R AUDIOPRE OUT RF REMOTE ANTENNA SYSTEM CONTROL PHONO CD1 REC OUT PLAY IN MD/ TAPE1 REC OUT PLAY IN CD-R VIDEO AUDIO CENTER FRONT SURROUND SUB WOOFER REC OUT PLAY IN CD2/ TAPE2 MONITOR SECOND ROOM PRE OUT SL 16 T

4、EXT IR RECEIVER IN DC12V 20mA IR OUT LCD REMOTE REMOTERELAY CONTROL DC12V 20mA TV ON/OFF SENSOR DC5V 10mA IR OUT LCD IR RECEIVER IN SURROUND SPEAKERSCENTER SPEAKERS DC12V 20mA IR REPEATER OUT (6 16)(6 16) A RL FRONT SPEAKERS (6 16) B LR A RL C AC 120V 60Hz SWITCHD TOTAL 90W 0.75A MAX FM 75 ANTENNAGN

5、DAM AC 110 120V AC 220 240V Side plate (A50-1345-02) Panel (A60-1780-02) Front glass (B10-3571-02) Indicator (B12-0391-14) Indicator (B12-0392-04) Knob (K29-7728-03) Phone jack (E11-0190-05) Knob(BUTTON) (K27-2388-04) Knob (K29-7742-04) Side plate (A50-1344-02) Cylindrical receptacle (E56-0026-05) P

6、in jack (E63-1121-05) Miniature phone jack (E11-0907-05) Pin jack (E63-1111-05)x2 Pin jack (E63-1125-05)x2 Pin jack (E63-1115-05) Cylindrical receptacle (E56-0030-05)x2 Screw terminal board (E70-0118-05) Slide switch * (S31-3010-05) AC outlet * (E03-) Panel * (A29-) Pin jack (E63-1130-05) Screw term

7、inal board (E70-0121-05) Pin jack (E63-1109-05) Pin jack (E63-1124-05)x2 Pin jack (E63-1128-05) Oscillating module (W02-2717-05) Optical receiving module (W02-2716-05) Optical receiving module (W02-2716-05) Pin jack (E63-1120-05) Miniature phone jack (E11-0905-05)x6 Miniature phone jack (E11-0906-05

8、) 70% Lock terminal board (E70-0080-05) Miniature phone jack (E11-0347-05) Power cord bushing * (J42-) Pin jack (E63-1111-05) Pin jack (E63-1113-05) Pin jack (E63-1123-05) Cylindrical receptacle (E56-0028-05) Pin jack (E63-1126-05)x3 Pin jack (E63-1117-05) Pin jack (E63-1119-05) Illust is KRF-V9993D

9、. * Refer to parts list on page 63. AC power cord * (E30-) RadioFans.CN 收音机爱 好者资料库 RF REMOTE CONTROL UNIT RC-R0910 2WAY LCD REMOTE CONTROL UNIT + - + - 123 456 789 101112 +100+100 / / BatteriesAM Loop Antenna (T90-0852-05) FM Antenna (T90-0855-05) Battery cover(A09-1166-08) Battery cover(A09-1177-08

10、) Pen(W01-0976-08) Remote control unit (A70-1313-05): RC-R0912 (A70-1344-05): RC-R0910 ENTER V O L U M E UP DOWN CONFIRM ON/STANDBYCONTRASTREMOTE OFF Remote control unit (PowerTouch) (A70-1350-05): RC-R1011 (A70-1351-05): RC-R1010 AC (E03-0115-05) plug adaptor . (1) Use to adapt the plug on the powe

11、r cord to the shape of the wall outlet. (Accessory only for regions where use is necessary.) KRF-V7773D/V7773D-B/V9993D 2 CONTENTS / ACCESSORIES / CAUTIONS CONTENTS / ACCESSORIES / CAUTIONS. 2 CONTROLS .3 DISASSEMBLY FOR REPAIR.4 CIRCUIT DESCRIPTION.5 ADJUSTMENT.15 WIRING DIAGRAM.16 PC BOARD . 17 SC

12、HEMATIC DIAGRAM . 30 EXPLODED VIEW .61 PARTS LIST.63 SPECIFICATIONS .65 Contents Manufactured under license from Dolby Laboratories. Dolby , Pro Logic , AC-3 , and the double-D symbol are trademarks of Dolby Laboratories. Confidential Unpub- lished Works. 1992-1997 Dolby Laboratories. All rights res

13、erved. Manufactured under license from Digital Theater Sys- tems, Inc. US Pat. No. 5,451,942 and other world- wide patents issues and pending. DTS and DTS Digital Surround are trademarks of Digital Theater Systems, Inc. 1996 Digital Theater Systems, Inc. All rights reserved. , HDCD, High Definition

14、Compatible Digital and Pacific Microsonics are either registered trade- marks or trademarks of Pacific Microsonics, Inc. in the United States and/or other countries. HDCD sys- tem manufactured under license from Pacific Micro- sonics, Inc. This product is covered by one or more of the following: IN

15、the USA: 5,479,168, 5,638,074, 5,640,161, 5,808,574, 5,838,274, 5,854,600, 5,864,311, 5,872,531, and in Australia: 669114. Other patents pending. TM Accessories Cautions RadioFans.CN 收音机爱 好者资料库 Whats on Power Touch? ENTER V O L U M E UP DOWN MUTE SYS.POWER CONTRASTBACKLIGHT e d i t m o v i e m u s i

16、 c s o u n d l i s t e n m o d e m a c r o CONFIRM 1 2 3 4 567 8 10 9 1. Joystick 2. Confirm button 3. Mute button 4. Volume up/down button 5. Contrast button 6. On/Standby button 7. Backlight button 8. Quick Access menu 9. Touch screen display 10. Stylus (stored on top edge) KRF-V7773D/V7773D-B/V99

17、93D 3 CONTROLS 1. STANDBY indicator light 2. POWER ON/STANDBY key (VR-4900/VR-4700) ON STANDBY key (KRF-V9993D) 3. POWER ON / OFF switch (KRF-V9993D) 4. PHONES jack 5. SPEAKERS A/B key 6. INPUT MODE key 7. CD 2/TAPE 2 MONITOR key 8. LISTEN MODE key 9. SET UP key 10. SOUND key 11. MULTI CONTROL (Up/D

18、own) keys 12. P. CALL (Up/Down) keys 13. MEMORY key 14. AUTO key 15. BAND key 16. AV-AUX input jacks 17. DOOR OPEN/CLOSE key 18. VOLUME CONTROL knob 19. INPUT SELECTOR keys 20. Indicators CLIP INDICATOR PRO LOGIC 3 STEREO 21. Indicators DTS / 96 k fs / HDCD DOLBY DIGITAL / MPEG D. R. I. V. E. 22. DI

19、SPLAY 23. 2-way communication indicator 24. Infrared remote sensor 25. Indicators SPEAKER A/B CD 2/TAPE 2 MONITOR 26. Infrared remote transmitter Keys 5 to 15 are located behind the door. Keys behind the door STANDBY PHONES DOLBY DIGITALDTS MPEG96k fs D.R.I.V.E.HDCD INPUT SELECTOR DOOR OPEN/CLOSE VO

20、LUME CONTROL DOWNUP AV - AUX S VIDEOVIDEOL - AUDIO - R ASPEAKERSB INPUT MODE CD 2/TAPE 2 MONITOR LISTEN MODESET UPSOUND MULTI CONTROL fi %P.CALLMEMORYAUTOBAND fi % ASPEAKERS CD 2 / TAPE 2 MONITORB CLIP INDICATORPRO LOGIC3 STEREO POWER ON/STANDBY -ON OFF ON/STANDBY POWER 1 34568101112131516 17 18 19

21、202122232425 1479 22 KRF-V9993D 26 Standby mode While the standby indicator of the unit is lit, a small amount of current is flowing into the units internal circuitry to back up the memory. This condition is referred to as the standby mode of the unit. While the unit is in the standby mode, it can b

22、e turned ON from the remote control unit. Whats on the Front Panel of Your Kenwood Audio-Video Receiver? LCD Indicators 1. Playback/recording mode indicators Play indicator/ 8 :Pause indicator/ REC:Record indicator/ 7 :Stop indicator 2. Character display Shows various information such as the input d

23、evice name and track number. 3. Current function of LCD function key 1 4. Current function of LCD function key 2 5. Communication indicators :Sending. :Receiving. 6.Battery indicator appears when the batteries are nearly exhausted. In this case, replace all of the four batteries together. To switch

24、the menu: The menu can be switched over or selected while LCD function key 1 and/or 2 are displayed. (Examples:Home,Back,Menu,Enter,etc.) 2WAY LCD REMOTE CONTROL UNIT RECREC 34 51 2 6 Whats on Remot Control unit? Remote control 2WAY LCD REMOTE CONTROL UNIT MUSICMOVIETV CONFIRM/SHIFT AV POWERSYS.POWE

25、R TITLE/GUIDEMENU MACRO F.SHIFT + - + - REC REC MODE LEARN SOUND TUNING BAND LISTEN M. INPUT MODESTATUSDIMMER SUB W. MUTE ENTER AUTO/MONO REPEATRANDOMINPUT SEL. TV SELECTDISPLAYSELECT AUDIOTHEMEFAVORITE INFO.EXITLAST CHANNEL REMOTE CONTROL UNIT CH. CH.VOL. VOL. RETURN /PAGE OSD /PAGE 1 2 3 4 5 6 7 9

26、 8 11 10 13 14 12 15 18 20 22 24 16 17 19 21 23 25 1. LCD indicators 2. LCD function key 2 3. LCD function key 1 4. CONFIRM/SHIFT key 5. MACRO key 6. AV.POWER key (AV device Power key) 7. AV device control keys : Play 4 , : Skip 8 : Pause 7 : Stop 8. CH.(+/-)key (AV device control keys) 9. SOUND (IN

27、PUT MODE) key 10. LISTEN M.(DIMMER) key 11. TITLE/GUIDE key (AV device control key) 12. 5Cursor up (8 PAUSE)key Cursor down (AUTO/MONO, 7 STOP) key left,right (TUNING)keys ENTER (BAND)(Play)key 13. RETURN/PAGE key (AV device control key) 14. REC (Recording)(REC MODE) key5 15. Numeric keys (AV device

28、 control keys) 16. LCD cursor up/down keys 17. Input selector keys MUSIC: Audio device selector key MOVIE: Video device selector key TV: TV/video monitor selector key 18. SYS.POWER (Receiver power)key 19. VOL.(+/-)keys 20. MUTE key 21. SUB W.(STATUS)key 22. MENU key (AV device control keys) 23. OSD/

29、PAGE 5 key (AV device control key) 24. LEARN key 25. F.SHIFT (Backlight)key How to operate the F.SHIFT key: In addition to the functions marked on the remote control keys,those marked in blue characters above the keys can be used. To use these functions,press the F.SHIFT key then press the desired k

30、ey within 8 seconds. (Example)To use the REPEAT function,press the F.SHIFT key then press key 1 (REPEAT). RadioFans.CN 收音机爱 好者资料库 KRF-V7773D/V7773D-B/V9993D 4 DISASSEMBLY FOR REPAIR 1x70 X07 (C/7) CN2 X25 (C/9) X05-5130-11 X07 X13 (C/5) CN12 CN21 4 5 7 7 8 3 3 2 2 2 2 2 2 9 6 6 7 x9 x2 2 x2 x2 X07-3

31、150-10 (A/5) X25 (B/9) X11 (C/4) 10 x3 10 10 11 10 10 10 CN14 CN6 x2 x5 x57 4 4 1 1 1 3 2 6 x55 5 HOOK X11 (A/4)CN301 CN7 CN8 X13 X07,CN1 MOTOR AC CONNECTOR H/P PCB X25 (G/8) 1. Take out the connectors (1) X07,CN1/X13(CN7,CN8) and the AC connetor(2). 2. Take the lead (3) out of CN301 on X11(A/4) PCB

32、. 3. Take out the screws (4) and (5). 4. The front panel can be separated by removing 2 hooks (6) on the sub panel. 5. To separate the motor from the front panel, remove the screws (7). 1. The rear panel can be separated by removing screws (1) on the rear panel. 2. Take the AC connector out of CN2 o

33、n the X07(C/7). 3. To separate the chassis from bottom chassis, remove the screws (2). 4. Remove CN21 and screws (3) on X13(C/5). 5. Remove screws (4 to 7). 6. The fan motor can be separated by removing screws (8) and the connector (CN12) on X07 PCB. 7. Take the PCB X25(B/9), X11(C/4) out of X07. 8.

34、 To separate the main PCB (X07) from the bottom chassis, remove screws (0). 9. Set up the PCB as figure (-). 10. Replace the defective transistors. HOW TO REPLACE THE POWER TRANSISTOR. HOW TO REMOVE THE FRONT PANEL AND THE MOTOR. KRF-V7773D/V7773D-B/V9993D 5 CIRCUIT DESCRIPTION 0 : Pull down,1:Pull

35、up SET TYPE TYPEBAND RECEIVING FREQUENCY RANGE CHANNEL SPACE IFPLL DIODE SW(X13) DSW3 (R282,R285) DSW2 (R292,R279) DSW1 (R296,R284) DSW0 (R297,R288) K, P, R K1 1700 FM87.5MHz-108.0MHz100kHz+10.7MHz25kHz 0000 AM530kHz-1700kHz10kHz+450kHz10kHz Y, M, I, C, V K2 1610 FM87.5MHz-108.0MHz100kHz+10.7MHz25kH

36、z 0011 AM530kHz-1610kHz10kHz+450kHz10kHz Y K3 1610 RBDS FM87.5MHz-108.0MHz100kHz+10.7MHz25kHz 0010 AM530kHz-1610kHz10kHz+450kHz10kHz K, P K4 1700 RBDS FM87.5MHz-108.0MHz100kHz+10.7MHz25kHz 1010 AM530kHz-1700kHz10kHz+450kHz10kHz Y, M, I, C, V, E, X, H E1 FM87.5MHz-108.0MHz50kHz+10.7MHz25kHz 0001 AM53

37、1kHz-1602kHz9kHz+450kHz9kHz T E2 LW FM87.5MHz-108.0MHz50kHz+10.7MHz25kHz 0100MW531kHz-1602kHz9kHz+450kHz9kHz LW153kHz-279kHz9kHz+450kHz9kHz E, T E3 RDS FM87.5MHz-108.0MHz50kHz+10.7MHz25kHz 0101 AM531kHz-1602kHz9kHz+450kHz9kHz T E4 LW RDS FM87.5MHz-108.0MHz50kHz+10.7MHz25kHz 0110MW531kHz-1602kHz9kHz+

38、450kHz9kHz LW153kHz-279kHz9kHz+450kHz9kHz Q Q1 RDS FM L65.0MHz-74.0MHz10kHz+10.7MHz5kHz 1011FM H87.5MHz-108.0MHz50kHz+10.7MHz5kHz AM531kHz-1602kHz9kHz+450kHz9kHz Q Q2 RDS FM L65.0MHz-74.0MHz10kHz+10.7MHz5kHz 1100 FM H87.5MHz-108.0MHz50kHz+10.7MHz5kHz MW531kHz-1602kHz9kHz+450kHz9kHz LW153kHz-279kHz9k

39、Hz+450kHz9kHz Y, M, I, C, V M K2/E1 are switched by DSW1. (DSW1 = 1:K2type, 0: E1type) 00X1 Y Y RBDS K3/E1 are switched by DSW0. (DSW0 = 0:K3type, 1: E1type) X001X DIODE SW(DSWx) 0 = NO DIOE(1 = WITH DIODE X = TRANSISTOR SW(0=OFF/1=ON) 1. Initialization 1-1 The Initial Setting Insert the power cord

40、to AC wall outlet by pressing the POWER key. 1-2 The Initial Condition Power On/Off: Off Volume Level: -66dB Audio Input Selector: TUNER Video Signal Input Selector: VIDEO1 Remote Control Sensor: Data Front In Speaker A: On Speaker B: Off CD2/TAPE2 MONITOR: Off(TAPE MODE) Tone : Off Loudness : Off D

41、isplay Mode: DEVICE+DGTL/ANLG Digital Rec Mode: Off Dimmer: Dimmer 1 Input Mode: DGTL/ANLG-AUTO Digital Rec Mode: Off HDCD/DRIVE: HDCD/DRIVE AUTO Surround Mode: Stereo Room Size : Medium Wall Type: Medium Effect Level: 3 Midnight Mode : Off Distance: FL/FR:10ft : C:10ft : RS/LS: 5ft : SW:10ft Front

42、Speaker: Large Center Speaker: Normal Surround Speaker: Normal Subwoofer: On SW Re-Mix: OFF Input Level: 0dB Each Speaker Level: 0dB Tone Bass: 0 Tone Treble: 0 Tuning Mode: Auto Preset Memory: Test frequency Last Band: FM FM Last Frequency: 87.5MHz (OTHER THAN) : 76.0MHz (J) AM Last Frequency: 531k

43、Hz (CH.SP 9kHz) : 530kHz (CH.SP 10kHz) Last P.ch: -ch 2. Destination List of Tuner KRF-V7773D/V7773D-B/V9993D 6 CIRCUIT DESCRIPTION 3. Test Mode 3-1 Entering the Test Mode While pressing the INPUT SELECTOR DOWN key, plug the power cord into AC wall outlet. 3-2 Cancelling the Test Mode Initialized an

44、d cancel the test mode if pulling out the power cord. Not initialized and cancel the test mode if the power switch turns off. 3-3 Contents of the Test Mode 3-3-1 Key Operation The following operation is available when the FL is all lighting up mode only. KEYOPERATIONDISPLAY SOUND Set up the RF frequ

45、ency to 411.3MHz.RF 417.3MHz LISTEN MODESet up the RF frequency to 414.3MHz.RF 414.3MHz INPUT MODESet up the RF frequency to 411.3MHz.RF 417.3MHz SET UPIndicates Tuner destination on the FL. EX. TYPE E1TYPE E2 MEMORYChanged dimmer off/1/2cyclically.All FL light onALL FL light off BAND KEYIndicates t

46、he u-com version.EX. Ver . XXXXXX-X (Main) u-com PD784215-GF570 PANEL KEY FL DRV uPD780204 FL POWER , INPUT UP/DOWN KEY SP. RLY MUTING SELECTOR IC X11, IC3 X13, IC81 X13, IC22 X11, IC5 X13, IC82 X25, IC4 X11, IC1 X25, IC3 VOL. IC X11 IC301304 X13, IC71 X25, IC1 X25, ED1 X08, IC40 X13, IC1/5/7/8 X05,

47、 IC2 NJU71311 SELECTOR IC NJU71312 SELECTOR IC NJU71313 SUB u-com uPD784036 VIDEO PANEL DOOR DESTINATION SELECTOR IC BA7649 LCD REMOTE TRANSMIT IC uPD17215 PLL for Remocon Model LV2105V TUNER UNIT LC72131 VOLUME IC TC9459F VOLUME IC TC9459F VOLUME IC TC9459F VOLUME IC TC9459F TONE CONTROL IC TC9184 PROTECTION POWER RLY IR RECEIVER SL16 UART IR/RF Front/Rear switch IR/RF Front/Rear switch ROTARY ENCODER RELAY CONTROL FAN 4. Main Microprocessor : uPD784215-GF570 (X13, IC23) 4-1 Main Microprocessor Periphery Block Diagram KRF-V7773D/V7773D-B/V