JVC-RX6008VBK-avr-sm维修电路原理图.pdf

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1、SERVICE MANUAL AUDIO/VIDEO CONTROL RECEIVER No.20807 Jan. 2000 COPYRIGHT 2000 VICTOR COMPANY OF JAPAN, LTD. Printed in Japan 2000 01(V) VICTOR COMPANY OF JAPAN, LIMITED AUDIO DIVISION,10-1,1Chome,Ohwatari-machi,maebashi-city,371-8543,Japan RX-6000VBK RX-6008VBK RX-6100VBK No.20807 RX-6000VBK RX-6008

2、VBK RX-6100VBK RX-6000VBK RX-6008VBK RX-6100VBK This service manual is made from 100% recycled paper. RX-6000VBK/RX-6008VBK/RX-6100VBKNo. 20807 JU.S.A. Area Suffix RX-6000VBK RX-6008VBK CCanada Area Suffix (RX-6100VBK) Contents Safety precautions - 1-2 Instructions - 1-312 Disassembly method - 2-1 A

3、djustment method - 2-7 Description of major ICs - 2-8 Block diagrams - 2-19 Standard schematic diagrams - 2-21 Printed circuit boards - 2- Parts list - 3-1 RX-6000V AUDIO/VIDEO CONTROL RECEIVER STANDBY PHONES SPEAKERS 12 ADJUST SETTING MEMORY DVD CD TV SOUND/DBS TAPE/MD VCR PHONO THEATERLIVE CLUBDAN

4、CE CLUBHALLPAVILLION DIGITAL AUTO ON SOURCE NAME SOURCE NAME ONE TOUCH OPERATION/ INPUT ATT. DSP. MODEMULTI CURSOR ANALOG/DIGITAL SURROUND FM/AM MASTER VOLUME -+ OFF_ ON POWER D I G I T A L 1 7 1 RM-SRX6000J REMOTE CONTROL SURROUND SURROUND MODE SOUND TV/VIDEOCD-DISC 321 5 SUBWOOFER +TEST 654 EFFECT

5、 CENTER + 5 98 REARL + VCR CH + 5 TVVCRAUDIOSLEEP +1010 REARR + MENU ENTER 5 TAPE/MDPHONOFM/AM MUTING CD TV SOUND/DBSVCRANALOG/DIGITAL TV VOL TV CH DVD VCR CH + VOLUME POWER 8 + 7/P D I G I T A L Each difference point ModelContent RX-6000VBKBase model RX-6008VBKThe one that model name was changed fo

6、r THEATER IN THE BOX by the same specification as RX-6000VBK. RX-6100VBKThe one that remote control was changed to preset remote control by the same specification as RX-6000VBK. This illustration is RX-6000VBK RadioFans.CN 收音机爱 好者资料库 Safety Precautions 1. This design of this product contains special

7、 hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits. Services should be perfor

8、med by qualified personnel only. 2. Alterations of the design or circuitry of the product should not be made. Any design alterations of the product should not be made. Any design alterations or additions will void the manufacturers warranty and will further relieve the manufacture of responsibility

9、for personal injury or property damage resulting therefrom. 3. Many electrical and mechanical parts in the products have special safety-related characteristics. These characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using

10、 replacement components rated for higher voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in the Parts List of Service Manual. Electrical components having such features are identified by shading on the schematics and by ( ) on the Parts List in

11、 the Service Manual. The use of a substitute replacement which does not have the same safety characteristics as the recommended replacement parts shown in the Parts List of Service Manual may create shock, fire, or other hazards. 4. The leads in the products are routed and dressed with ties, clamps,

12、 tubings, barriers and the like to be separated from live parts, high temperature parts, moving parts and/or sharp edges for the prevention of electric shock and fire hazard. When service is required, the original lead routing and dress should be observed, and it should be confirmed that they have b

13、een returned to normal, after re-assembling. 5. Leakage currnet check (Electrical shock hazard testing) After re-assembling the product, always perform an isolation check on the exposed metal parts of the product (antenna terminals, knobs, metal cabinet, screw heads, headphone jack, control shafts,

14、etc.) to be sure the product is safe to operate without danger of electrical shock. Do not use a line isolation transformer during this check. Plug the AC line cord directly into the AC outlet. Using a Leakage Current Tester, measure the leakage current from each exposed metal parts of the cabinet ,

15、 particularly any exposed metal part having a return path to the chassis, to a known good earth ground. Any leakage current must not exceed 0.5mA AC (r.m.s.) Alternate check method Plug the AC line cord directly into the AC outlet. Use an AC voltmeter having, 1,000 ohms per volt or more sensitivity

16、in the following manner. Connect a 1,500 10W resistor paralleled by a 0.15 F AC-type capacitor between an exposed metal part and a known good earth ground. Measure the AC voltage across the resistor with the AC voltmeter. Move the resistor connection to eachexposed metal part, particularly any expos

17、ed metal part having a return path to the chassis, and meausre the AC voltage across the resistor. Now, reverse the plug in the AC outlet and repeat each measurement. voltage measured Any must not exceed 0.75 V AC (r.m.s.). This corresponds to 0.5 mA AC (r.m.s.). Warning 1. This equipment has been d

18、esigned and manufactured to meet international safety standards. 2. It is the legal responsibility of the repairer to ensure that these safety standards are maintained. 3. Repairs must be made in accordance with the relevant safety standards. 4. It is essential that safety critical components are re

19、placed by approved parts. 5. If mains voltage selector is provided, check setting for local voltage. Good earth ground Place this probe on each exposed metal part. AC VOLTMETER (Having 1000 ohms/volts, or more sensitivity) 1500 10W 0.15 F AC TYPE !CAUTION Burrs formed during molding may be left over

20、 on some parts of the chassis. Therefore, pay attention to such burrs in the case of preforming repair of this system. http:/getMANUAL.com RadioFans.CN 收音机爱 好者资料库 2-1 RX-6000VBK/RX-6008VBK/RX-6100VBK Remove the four screws A attaching the top cover on both sides of the body. Remove the three screws

21、B on the back of the body. Remove the top cover from behind in the direction of the arrow while pulling both sides outward. 1. 2. 3. Disassembly method Removing the top cover (See Fig.1) Prior to performing the following procedure, remove the top cover. Disconnect the harness from connector CN314 on

22、 the volume control board and connector CN811 on the main board. Remove the three screws C attaching the front panel assembly. Remove the four screws D attaching the front panel assembly on the bottom of the body. 1. 2. 3. Removing the front panel assembly (See Fig.2 and 3) Top cover Volume control

23、board CN314 Main board Front panel assembly A 2 B C DFront panel assembly Bottom cover Fig.1 Fig.2 Fig.3 CN811 A 2 RX-6000VBK/RX-6008VBK/RX-6100VBK 2-2 Prior to performing the following procedure, remove the top cover. Remove the power cord stopper while moving it in the direction of the arrow. Remo

24、ve the twenty-two screws E attaching each board to the rear panel. Remove the three screws F attaching the rear panel on the back of the body. 1. 2. 3. Removing the rear panel (See Fig.4) Prior to performing the following procedure, remove the top cover. For the harness extending from the AV compuli

25、nk & sub woofer board to the volume control board, disconnect it from connector CN617 on the volume control board and cut off the two tie bands. Disconnect the AV compulink & sub woofer board from connector CN616 on the volume control board. Disconnect the relay board 1 from connector CN609 on the v

26、ideo terminal board and CN603 on the audio board. Disconnect the S-video board from connector CN618 on the volume control board. Disconnect the video terminal board from connector CN614 on the volume control board. Release joint a of the lower part of the DSP board and the bracket. Disconnect the DS

27、P board from connector CN651 and CN657 on the volume control board. Disconnect the audio board from connector CN611 and CN612 on the volume control board. Disconnect the tuner board from connector CN121 on the volume control board. 1. 2. 3. 4. 5. 6. 7. Removing each board connected to the volume con

28、trol board (See Fig.5 to 7) E Power cord stopper Rear panel F Volume control board CN617 Tie bands Relay board 1 CN603CN609 AV compulink & sub woofer board Audio board CN603 Video terminal board CN609 S-video board DSP board CN614 AV compulink & sub woofer board Tuner board Joint a E E E E EEE F F F

29、ig.4 Fig.5 Fig.6 Fig.7 Volume control board CN616 Tuner board Relay board 1 Video terminal board CN618 CN616 Volume control board CN121 CN611 CN612 Audio board DSP board AV compulink & sub woofer board S-video board CN651 CN657 E Video terminal board 2-3 RX-6000VBK/RX-6008VBK/RX-6100VBK Prior to per

30、forming the following procedure, remove the top cover and the rear panel. Disconnect the card wire from connector CN314 on the volume control board. Cut off the three tie bands fixing the harness. Disconnect the harness from connector CN712 on the preamplifier board. Disconnect the relay board from

31、connector CN615 on the volume control board and CN851 on the main board. Remove the five screws G attaching the volume control board. 1. 2. 3. 4. 5. Removing the volume control board (See Fig.8) Prior to performing the following procedure, remove the top cover. Disconnect the harness from connector

32、CN712 on the preamplifier board and cut off the one tie band. Disconnect the preamplifier board from connector CN711 and CN713 on the main board. 1. 2. Removing the preamplifier board (See Fig.9) It is not necessary to remove the boards inserted to the back of the volume control board. ATTENTION: Pr

33、eamplifier board CN712 G Fig.8 Fig.9 Tie band CN615 CN851 Tie bands G Volume control board Relay board Preamplifier board CN712 Main board CN713 Main board CN711 Tie band CN314 RX-6000VBK/RX-6008VBK/RX-6100VBK 2-4 Prior to performing the following procedure, remove the top cover. Disconnect the harn

34、ess from connector CN831 on the main board. Remove the two screws H attaching the regulator board to the heat sink. Disconnect the harness from connector CN511 on the main board and CN512 on the volume control board. Cut off the three tie bands fixing the harnesses. Remove the two screws I attaching

35、 the rear-Rch amplifier board to the heat sink. 1. 2. 3. 4. Removing the regulator board / the rear -Rch amplifier board (See Fig.10 and 11) Prior to performing the following procedure, remove the top cover, the rear panel, the relay board and the preamplifier board. Disconnect the card wire from co

36、nnector CN811 on the main board. Unsolder each harness connecting the power transformer and the main board. Unsolder the power cord on the main board. Remove the eight screws J attaching the main board to the heat sink. Remove the eight screws K attaching the main board. For the harness extending fr

37、om the speaker switch board, unsolder FW902 on the main board. 1. 2. 3. 4. 5. 6. Removing the main board (See Fig.12 and 13) Tie band Tie band Main board CN831 Tie band Main board CN511 Rear-Rch amplifier board Volume control board CN512 Fig.10 Fig.11 Fig.12 Fig.13 Regulator board Regulator board Re

38、ar-Rch amplifier board H I K Heat sink K K K Main board CN811 Power transformer FW902 Soldered part Speaker switch board Main board Soldered part JJ Heat sink Power transformer Main board CN811 2-5 RX-6000VBK/RX-6008VBK/RX-6100VBK Prior to performing the following procedures, remove the top cover. U

39、nsolder each harness connected to the power transformer respectively. Remove the four screws L attaching the power transformer. Removing the power transformer (See Fig.14) Prior to performing the following procedure, remove the top cover and the front panel. Remove the two screws M attaching the spe

40、aker switch board on the front side of the body. Remove the one nut attaching the headphone board on the front side of the body. Pull out the speaker switch board and the headphone board backward. Unsolder each soldered part. 1. 2. 3. 4. Removing the speaker switch board/ the headphone board (See Fi

41、g.15 and 16) 1. 2. Fig.14 Fig.15 Fig.16 Soldered part L L Soldered part Headphone board Nut M Headphone board Speaker switch board Power transformer Soldered part RX-6000VBK/RX-6008VBK/RX-6100VBK 2-6 Prior to performing the following procedure, remove the top cover and the front panel. Pull out the

42、volume knob on the front side of the front panel and remove the nut attaching the volume board. Remove the three screws N attaching the volume board on the back of the front panel and disconnect the harness from connector CN411 on the volume board. Remove the ten screws O attaching the system contro

43、l board and disconnect the harness from connector CN402 on the system control board. Remove the six screws P attaching the operation switch board. Push each tab b of the four joints inward and detach the operation switch board to the front. Remove the screw Q attaching the operation switch board. 1.

44、 2. 3. 4. 5. Removing each board in the front panel assembly (See Fig.17 to 20) Fig.20 Fig.19 Fig.18 Fig.17 System control board Q P P Tab b Tab b P O O O O N N Volume board CN402 CN411 System control board Volume knob Nut Front panel assembly 2-7 RX-6000VBK/RX-6008VBK/RX-6100VBK Adjustment method I

45、DLING CURRENT 1.Set the volume control to minimum during this adjustment. 2.Set the surround mode OFF. 2.Turn VR741 and VR742 fully counterclockwise to warm up before adjustment. If the heat sink is already warm from previous use the correct adjustment can not be made. 3.For L-ch,connect a DC voltme

46、ter between TP001s pin1 and pin2 (Lch) And,connect it between pin3 and pin4(Rch). 4.30 minutes later after power on, adjust VR741 for L-ch, or VR742 for R-ch so that the DC voltmeter value has 1mV10mV. 1.Tuner range FM 87.5MHz108.0MHz AM(MW) 530kHz1710kHz VR742 TP001 VR741 4 3 2 1 LchRch TP001 Tuner

47、 section Power amplifier section RX-6000VBK/RX-6008VBK/RX-6100VBK 2-8 1 2 3 4 5 6 7 8 9 10 11 33 32 31 30 29 28 27 26 25 24 23 12 13 14 15 16 17 18 19 20 21 22 44 43 42 41 40 39 38 37 36 35 34 SDOS OCKS MIS BCLK LRCK SDTI1 SDTI2 SDTI3 SDTO DAUX DFS VREFL RIN+ RIN- LIN+ LIN- ROUT1 LOUT1 ROUT2 LOUT2 R

48、OUT3 LOUT3 DEM1 DEM0 MCKO DVDD DVSS PD XTS ICKS1 ICKS0 CAD1 CAD0 CDTO CDTI CCLK CS PIS XTO XTI AVSS AVDD VREFH VCOM 1.Pin layout LIN+ LIN- RIN+ RIN- LOUT1 ROUT1 LOUT2 ROUT2 LOUT3 ROUT3 LPF LPF LPF LPF LPF LPF DAC DAC DAC DAC DAC DAC DATT DATT DATT DATT DATT DATT ADC ADC HPF HPF Audio I/F MCLK BICK L

49、RCK SDOUT SDIN1 SDIN2 SDIN3 SDTO SDTI1 SDTI2 SDTI3 SDOS DAUX Format Converter Block Diagram (DIR and AC-3) DSP are external parts) 2.Block diagram AK4527 (IC601) : A/D,D/A Converter Description of major ICs 2-9 RX-6000VBK/RX-6008VBK/RX-6100VBK No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Pin name SDOS OCKS