Kenwood-KRFVR5700-avr-sm 电路图 维修手册.pdf

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1、AUDIO VIDEO SURROUND RECEIVER 2001-4/B51-5712-00 (K/K) 3424 PHONES THXDOLBY DIGITAL DTSMPEG D.R.I.V.E.HDCD INPUT SELECTOR VOLUME CONTROL DOWNUP AV - AUX S VIDEOVIDEOL - AUDIO - R CLIP INDICATOR ON/STANDBY REMOTE POWER CD 2 / TAPE 2 MONITOR SURROUND BACK96kfs STANDBY DISCRETE 6.1MATRIX 6.1NEO : 6PRO

2、LOGIC DTS-ES * Refer to parts list on page 62. KRF-X9995D/X9995D-S SERVICE MANUAL OPTICAL VIDEO 4 VIDEO 3 VIDEO 2 CD-R MD/ TAPE1 CD1 DVD EXT.CONTROL RS-232C DIGITAL IN COAXIAL DIGITAL OUT VIDEO 3 IN COMPONENT VIDEO DVD IN MONITOR OUT MONITOR OUT PLAY IN PLAY IN PLAY IN PLAY IN REC OUT REC OUT PLAY I

3、N S VIDEOVIDEO PRE OUTZONE B PRE OUT RLAUDIO RLFRONTRLSURROUNDRLRLSURROUND BACKSUB WOOFERCENTERVIDEO RL B A AUDIO VIDEO1 VIDEO2 VIDEO3 VIDEO4 DVDFRONT DVD/ 6CH. INPUT SURROUND CENTERSUBWOOFER PHONO CD1 REC OUT PLAY IN MD/ TAPE1 REC OUT PLAY IN CD-R REC OUT PLAY IN CD2/ TAPE2 MONITOR CENTER SPEAKER (

4、616) SURROUND SPEAKERS (616) FRONT SPEAKERS (616) ANTENNA GND AM FM 75 SYSTEM CONTROL SL16 TEXT REMOTE IR OUT LCD IR OUT LCD REMOTE IR RECEIVER IN IR RECEIVER IN IR REPEATER OUT/ DVD CONTROLRF REMOTE ANTENNA C R L R L AB DC12V 20mA DC12V 20mA PR/CR PB/CB Y PR/CR PB/CB Y PR/CR PB/CB Y AC 120V 60Hz SW

5、ITCHED TOTAL 90W 0.75A MAX. Front glass * (B10-) Knob * (K29-) Panel * (A60-) Phone jack (E11-0190-05) Knob * (K29-) Indicator (B12-0392-14) Knob * (K29-) Cylindrical receptacle (E56-0026-05) Pin jack (E63-1121-05) Pin jack (E63-1128-05) Pin jack (E63-1179-05) Miniature phone jack (E11-0905-05) VR-5

6、700/5900 Oscillating module (W02-2717-05) Pin jack (E63-1177-05) Indicator (B12-0391-14) Panel * (A29-) Pin jack (E63-1125-05)x2 Pin jack (E63-1176-05) Miniature phone jack (E11-0291-05) Miniature phone jack (E11-0905-05) AC power cord * (E30-) Miniature phone jack (E11-0904-05) AC power cord bushin

7、g * (J42-) Optical receiving module (W02-2716-05) Rectangular receptacle (E58-0033-05) Pin jack (E63-1124-05)x2 Pin jack (E63-1130-05) Pin jack (E63-1126-05)x3 AC outlet * (E03-) Pin jack (E63-1113-05)x2 Screw terminal board (E70-0131-05) Pin jack (E63-1115-05) Cylindrical receptacle (E56-0030-05)x2

8、 Pin jack (E63-1123-05) Screw terminal board (E70-0133-05) Miniature phone jack (E11-0907-05) Miniature phone jack (E11-0347-05) Pin jack (E63-1111-05)x2 Cylindrical receptacle (E56-0028-05) Illust is VR-5700. 70% RadioFans.CN 收音机爱 好者资料库 KRF-X9995D/X9995D-S/VR-5700/5900 2 CONTENTS / ACCESSORIES CONT

9、ENTS / ACCESSORIES . 2 DISASSEMBLY FOR REPAIR.3 BLOCK DIAGRAM .5 ADJUSTMENT.14 WIRING DIAGRAM.16 PC BOARD . 17 SCHEMATIC DIAGRAM . 30 EXPLODED VIEW .60 PARTS LIST.62 SPECIFICATIONS .88 Contents RF REMOTE CONTROL UNIT RC-R0910 2WAY LCD REMOTE CONTROL UNIT + - + - 123 456 789 101112 +100+100 / / Batte

10、riesAM Loop Antenna (T90-0852-05) FM Antenna (T90-0855-05) Battery cover(A09-1166-08) Battery cover(A09-1177-08) Pen(W01-0976-08) Remote control unit (A70-1453-05): RC-R0913 ENTER V O L U M E UP DOWN CONFIRM ON/STANDBYCONTRASTREMOTE OFF Remote control unit (PowerTouch) (A70-1456-05): RC-R1111 (A70-1

11、457-05): RC-R1012 (A70-1458-05): RC-R1013 AC plug adaptor * Refer to parts list. *. (1) Use to adapt the plug on the power cord to the shape of the wall outlet. (Accessory only for regions where use is necessary.) (T90-0850-05) U.S.A. only Antenna assy Accessories Manufactured under license from Dol

12、by 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 reserved. Manufactured under license from Digital Theater Sys- tems, Inc. US Pat. No. 5,451,942 and other world- wide p

13、atents 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 Compatible Digital and Pacific Microsonics are either registered trade- marks or trademarks of Pacific Microsonics,

14、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 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: 6

15、69114. Other patents pending. TM RadioFans.CN 收音机爱 好者资料库 KRF-X9995D/X9995D-S/VR-5700/5900 3 DISASSEMBLY FOR REPAIR 2x8 3 4 5 6 1x61 CN10 X07 C/5 X25 C/11 X25 B/11 CN102 CN16 CN103 X13 A/6 CN101 10 x2 10 11 10 x210 x2 7 8 9 X25 B/11 X11 A/2 X05 CN1 FRAME(A) FRAME(C) FRAME(B) 10 x2 12x2 12 How to Remo

16、ve the Front Panel and the Motor Assy 1. How to Remove the Front Panel 1. Remove the screws (1X3) on top of the panel. 2. Remove the screws (2X9) located at the the bot- tom of the panel. 3. Disconnect the cable (3) and connectors (4,5) on the X13 A/6. 4. Disconnect the connector (6) on the X07 A/5.

17、 5. Cut the tie band (7X7) as shown in the figure. 6. Remove the screw (8X1) on the X25 F/11. 7. Disconnect the connector (9) on the X25 G/11.(Except K/P type) 8. Remove the hooks (0X2) on the sub panel. 9. Remove the front panel in the direction of arrow. 2. How to Remove the Motor Assy 1. The moto

18、r assy can be separated by removing screws (-X4). Disassembling the Rear Panel and How to Replace the Power Transistor 1. Disconnect the CN10 on the X07 C/5. 2. Remove all of screws (1X61) and digital caps (2X8) on the rear panel. (The number of screws and caps are vary accord- ing to the models). 3

19、. Disconnect the cable CN16 (3) on the X13 A/6. 4. Disconnect the flexible cables CN101(4) on the X25 C/11, CN102 (5) and * CN103 (6)on the X25 B/11. * (K/P type only). 5. Remove the rear panel in the direction of arrow. 6. Remove the screw (7), then remove the X25 B/11. 7. To remove the tuner unit,

20、 disconnect the CN1 (8) and remove a screw (9). 8. Remove the screws (0X9) on the frames (A/B/C), push rivet (-) and PC support (=x2)on the X11 A/2. HOOK X13 (A/6) CN3 CN2 CN1 MOTOR AC CONNECTOR (EXCEPT K/P) X25 (F/11) X25 (G/11) X07 (A/5) CN8 KRF-X9995D/VR-5900 45 3 x31 x52 x77 x42 8 6 9 10 x2 11x4

21、 RadioFans.CN 收音机爱 好者资料库 KRF-X9995D/X9995D-S/VR-5700/5900 4 DISASSEMBLY FOR REPAIR 9. To remove the frame A rearward, cut the tie bands (X4) on the frames. 10. Remove a screw (!), then remove a thermostat. 11. Remove the screws (X10), then remove a frame (D), a cover and X07 B/5. 12. To remove a pow

22、er amplifier unit (X07 A/5), remove the screws (#x4), and a PC support ($x2). 13. Set up the X07 A/5 in the direction of arrow as shown in the figure. 14. Replace the defective transistor. KRF-X9995D/ VR-5700/5900 15x2 15x2 15x2 15x3 15 X07 B/5 FRAME(A) FRAME(D) X07 A/5 X07 A/5 16 16 16 16 17x2 14 1

23、3x4 KRF-X9995D/X9995D-S/VR-5700/5900 5 BLOCK DIAGRAM REC OUT SW TAPE2 REC BUFFER OUTPUT MUTE ON DIG REC 200mV 36mV 200mV 200mV INPUT SEL. ZONE A BUFFER DIG REC OUT (0dB or +6dB) OPTICAL OUT COAXIAL OUT COAXIAL OPTICAL DIGITALINPUT SEL. OPTICAL COAXIAL COAXIAL OPTICAL OPTICAL COAXIAL COAXIAL OPTICAL

24、OPTICAL COAXIAL COAXIAL OPTICAL VIDEO2 VIDEO3 DVD(6ch IN) VIDEO4 CD-R MD/TAPE1 CD AV AUX IN 200mV INPUT SEL. ZONE B CD2 TAPE2 MON1 2.5mV (38dB) BUFFER LINE(0.-3.-6dB) OFF -3dB ON -6dB BUFFER INPUT ATT BUFFER (-6dB) 200mV MAX:1.0Vrms FL.FR SUB CENTER SL.SR SBL.SBR (0dB) 50kHz LPF 1kHz LPF (0dB) (0dB)

25、 (0dB) (0dB) 50kHz LPF 50kHz LPF 50kHz LPF SW ON DIG SW OFF DIG ANA CONFIG-2 FILTER ON ANA TONE OFF TONE (0dB) TONE OFF ATT OFF ZONE B LINE BUFFER BUFFER BUFFER BUFFER (+15dB) SUB 6ch IN CENTER 6ch IN 6ch IN SL SR 6ch INPUT SEL. SP B CENTER SL.SR SBL,SBR SUB (4.7dB or 14.7dB) (14.5dB) (5.2dB or 15.2

26、dB) (5.2dB or 15.2dB) (5.2dB or 15.2dB) (5.2dB or 15.2dB) A-10dB GAIN CONT. ZONE B ZONE B B SOURCE AMPLIFIER (29dB) AMPLIFIER AMPLIFIER (29dB) (29dB) F/C/SW-MUTE SP B/S-MUTE PRE S-MUTE PRE ZB-MUTE SUB-MUTE RELAY CS RELAY A RELAY B OUTPUT MUTE K5 K1 K3 K4 K2 Y PB/CB PR/CR PB/CB PR/CR Y 6dB AMP 6dB AM

27、P 75ohm DRIV. B SOURCE PAL NTSC 75ohm DRIV 6dB 75ohm DRIV 6dB AMP 75ohm DRIV NONE CRAMP NONE CRAMP L601(K/P/J) L603(OTHERS) OUTPUT MUTE L601(K/P/J) L602(OTHERS) AC IN RELAY POWER FAST OFF ATT ON VIDEO2 REC VIDEO1 REC CD-R REC MD/TAPE1 REC MUTE Q11,12 MUTE Q1,2 IC4 CD2/TAPE2 REC CENTER SUB SL.SR L.R

28、DVD 6ch IN IC32 VIDEO4 IN CD1 IN CD2/TAPE2 MONI CD-R IN MD/TAPE1 IN IC22 VIDEO3 IN VIDEO1 IN VIDEO2 IN FM AM TUNER IC1 EQ PHONO IN IC28 IC8.9 ADC IC7 DIR IC6 DSP EP ROM SDRAM SDRAM DAC IC31 X08IC32 X08IC33 X08IC34 DAC DAC DAC IC11 X08 IC17 IC14 X08 X08 IC20 IC12,13 IC18,19 IC21,22 IC15,16 IC18,19 TO

29、NE IC34 IC23 IC5 IC26 IC27 (2/2) IC27 (1/2) IC24 FL.FR VOLUME VOLUME CENTER SBL.SBR VOLUME VOLUME SL.SR SUB W VOLUME VOLUME ZONE B IC8 IC10 IC12 IC35 IC10 IC6 IC9 IC11 IC36 IC13 IC7 IC11 Q1,2 Q101 Q51,52 Q301-320 MUTE PHONES L.R SL.SR C SL.SR C L.R ZONE B-SPEAKERS ZONE B SW SBL.SBR B-SPEAKERS A-SPEA

30、KERS PRE OUT 1V IC23 IC24 VIDEO3 DVD COMPONENT Y Cb Cr MONITOR OUT X13,IC701-703 or X35,IC1-3 AV AUX VIDEO4 VIDEO2 VIDEO3 VIDEO1 IC22 IC21 DVD/6ch DECODER 4.43MHz 3.58MHz IC5 X35 MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MONITOR ZONE B MUTE MUTE MUTE MONITOR ZONE A VIDEO2 REC VIDEO1 REC OUT COMPO

31、SITE SEPARATE C DVD/6ch VIDEO1 VIDEO3 VIDEO2 VIDEO4 AV AUX IC602 VIDEO1 REC VIDEO2 REC MONITOR MUTE MUTE MUTE C OUT AV AUX DVD/6ch VIDEO4 VIDEO2 VIDEO3 VIDEO1 SEPARATE Y IC601 Y OUTVIDEO2 REC VIDEO1 REC MUTE MUTE IC604 IC606 BPF IC603 IC605 MUTE TRAP MONITOR SYSTEM CONTROL SL16 TEXT TV POWER SENSOR

32、RELAY COMTROL RS232C RDS TUNER TONE ON/OFF DIG.ANA.SEL. INPUT ATT REC OUT SW ANALOG SW ZONE A SEL. ZONE B SEL. SUB-MUTE MUTE CONTROL PRE S.SB PRE ZONE B SP SL.SR/B FL.FR.C.SW OUTPUT TONE CONTROL VOLUME CONTROL RELAY A RELAY POWER RELAY B RELAY CS SP RELAY CONT. FL FL DRIVER MAIN u-COM SUB u-CON LED

33、DISPLAY KEY MATRIX RF/IR RECEIVER DOOR MOTOR CONT. FAN DRIVE IR IN/OUT B u-COM IR IN/OUT A I/V PROTECT DET. THERMAL SENSOR OUT POWER DET. IR TRANSMIT EP-ROM DAC DSP UNIT DIR DSP ADC VIDEO SELECTOR DIG.INPUT SEL. X25,ED1 X25,1IC X13,IC3 X08,IC43 for VIDEO UNIT +6V 1st AVR +6V 1st AVR for DSP UNIT TON

34、E CONTROL VOLUME ANALOG SW for POWER AMP 60V SUPPLY -35V AVR for FL V-LOAD FL FILAMENT -15V 1st AVR for u-COM +30V for RELAYS & FAN BACK UP 5.6V AVR IR RECEIVER THERMAL SENSOR u-CON CONTROL X13,Q41 X13,Q45 X13,Q33,34 X07,D100 X07,Q407 X13,D71 X13,Q51 X13,IC1 POWER SUPPLY OP AMP 17V AVR SUB TRANS MAI

35、N TRANS AUDIO SECTION VIDEO SECTION (X08-) , (X25- ) (X25- ) (X08- ) (X07- ) (X25- ) (X11- ) (X13- ) / (X35- ) (X11- ) (X13- ) VR-5080/5090/5700/5900 KRF-X7775D/X7775D-S/X9995D/X9995D-S KRF-X9995D/X9995D-S/VR-5700/5900 6 CIRCUIT DESCRIPTION 0 : Pull down,1:Pull up SET TYPE TYPEBAND RECEIVING FREQUEN

36、CY 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+10.7MHz25kHz 0011 AM530kHz-1610kHz10kHz+450kHz10k

37、Hz 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 AM531kHz-1602kHz9kHz+450kHz9kHz E, T E3 RDS FM87.5MHz-108.0MHz50kHz+10.7MHz25kHz 0101 AM531kHz-1602kHz9kHz+450kHz9kHz Y, M, I, C, V M

38、K2/E1 are switched by DSW1. (DSW1 = 1:K2type, 0: E1type) 00X1 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 to AC wall outlet by pressing the POWER key ON/STANDBY. 2. Destination List of Tuner 3. Conditions acc

39、ording to the models or destination 3-1 Distinction of Destinatio : u-com (X13,IC3) Port 54 TypeVoltage : Max 5.0V K200.52 K11.612.49 K4(RBDS)2.513.39 E3(RDS)3.414.45 E14.475.00 ModelsVoltage : Max 5.0V VR-5080NO00.37 VR-5090YES0.391.10 VR-5700YES1.121.84 VR-5900-SYES1.862.49 KRF-X9995D/D-SYES2.513.

40、14 KRF-X7775D/D-SYES3.163.88 KRF-X9995D-S (M/X TYPE) NO3.904.61 KRF-X7775D-S (M/X/V TYPE) NO4.635.00 3-2 Distinction of Models : u-com (X13,IC3) Port 53 Switching of RF or Front IR and Rear IR Receiver Terminal. P.chK1K2K4E1E3 1FM 98.3MFM 98.3MFM 98.3MFM 98.3MFM 98.3M 2FM 87.5MFM 87.5MFM 87.5MFM 87.

41、5MFM 87.5M 3FM 89.1MFM 89.1MFM 89.1MFM 89.1MFM 89.1M 4FM 108.0MFM 108.0MFM 108.0MFM 108.0MFM 108.0M 5FM 90.0MFM 90.0MFM 90.0MFM 90.0MFM 90.0M 6FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M 7FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M 8AM 1610KFM 87.5MAM 1610KFM 87.5MFM 87.5M 9AM 1700KAM 1610KAM 1700KAM 1602

42、KAM 1602K 10AM 1000KAM 1000KAM 1000KAM 999KAM 999K 11AM 630KAM 630KAM 630KAM 630KAM 630K 12AM 1440KAM 1440KAM 1440KAM 1440KAM 1440K 13FM 106.0MFM 106.0MFM 106.0MFM 106.0MFM 106.0M 14AM 530KAM 530KAM 530KAM 531KAM 531K 15FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M 16FM 98.0MFM 98.0MFM 98.0MFM 98.0MFM 98

43、.0M 17FM 98.5MFM 98.5MFM 98.5MFM 98.5MFM 98.5M 18FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M 19AM 990KAM 990KAM 990KAM 990KAM 990K 20FM 97.4MFM 97.4MFM 97.4MFM 97.7MFM 97.7M 4. Tuner Preset Memory P.chK1K2K4E1E3 21AM 530KAM 530KAM 530KAM 531KAM 531K 22FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M 23FM 87.5M

44、FM 87.5MFM 87.5MFM 87.5MFM 87.5M 24FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M 25FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M 26FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M 27FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M 28FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M 29FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M 30FM 106.

45、0MFM 106.0MFM 106.0MFM 106.0MFM 106.0M 31FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M 32FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M 33FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M 34FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M 35FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M 36FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M 37F

46、M 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M 38FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M 39FM 108.0MFM 108.0MFM 108.0MFM 108.0MFM 108.0M 40AM 1000KAM 1000KAM 1000KAM 945KAM 945K KRF-X9995D/X9995D-S/VR-5700/5900 7 CIRCUIT DESCRIPTION 5.Test Mode 5-1 Setting Method of the Test Mode Turn on the power supply

47、while pressing the INPUT SELECTOR DOWN key, to make a set in test mode. 5-2 Canceling the Test Mode The system is initialized and the test mode is cancelled if unplug the AC power cord from an AC power wall outlet. 5-3 Contents of the Test Mode The following operation is available when the FL is all

48、 lighting up mode only. KeyOperationDisplay SOUNDSet up the RF frequency to428MHz.RF BAND LISTEN MODESet up the RF frequency to422MHz.RF BAND THXIndicated the tuner destination in the FL.EX. TYPE E1 MEMORYChanged the dimmer off/1/2 cyclically.ALL FL Light ON 6. Main Microcomputer: uPD784217A518 (X13, IC3) 6-1 Main Microcomputer Periphery block diagram X13,IC6 X1