Yamaha-HTR-5250-Service-Manual电路原理图.pdf

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1、SERVICE MANUAL IMPORTANT NOTICE This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are already known and understood by the users, and

2、have therefore not been restated. WARNING:Failure to follow appropriate service and safety procedures when servicing this product may result in personal injury, destruction of expensive components, and failure of the product to perform as specified. For these reasons, we advise all YAMAHA product ow

3、ners that any service required should be performed by an authorized YAMAHA Retailer or the appointed service representative. IMPORTANT:The presentation or sale of this manual to any individual of firm does not constitute authorization, certification or recognition of any applicable technical capabil

4、ities, or establish a principle-agent relationship of any form. The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, and service departments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, ther

5、efore, inevitable and specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributors Service Division. WARNING:Static discharges can destroy expensive components. Discharge any static electricity your body may ha

6、ve accumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss). IMPORTANT:Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit. 100716 AV RECEIVER RX-V596/HTR-5250 RX-V596RDS TO SERVICE PERS

7、ONNEL . 1 REMOTE CONTROL PANELS. 1 FRONT PANELS. 2 REAR PANELS . 34 SPECIFICATIONS. 56 INTERNAL VIEW . 7 DISASSEMBLY PROCEDURES . 7 SELF DIAGNOSIS FUNCTION . 819 FACTORY PRESET . 20 ICONTENTS AMP ADJUSTMENT . 21 TUNER ADJUSTMENT. 2225 IC DATA .2634 DISPLAY DATA . 35 BLOCK DIAGRAM. 3639 PRINTED CIRCU

8、IT BOARD . 4059 SCHEMATIC DIAGRAM . 6067 PARTS LIST . 6886 REMOTE CONTROL TRANSMITTER . 8788 RadioFans.CN 收音机爱 好者资料库 1 RX-V596/HTR-5250/RX-V596RDS I TO SERVICE PERSONNEL 1. Critical Components information Components having special characteristics are marked !and must be replaced with parts having sp

9、ecifications equal to those originally installed. 2. Leakage Current Measurement (For 120V Model only) When service has been completed, it is imperative that you verify that all exposed conductive surfaces are properly insulated from supply circuits. Meter impedance should be equivalent to 1500 ohm

10、shunted by 0.15F. Leakage current must not exceed 0.5mA. Be sure to test for leakage with the AC plug in both polarities. WARNING: CHEMICAL CONTENT NOTICE! The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (where applicable) comp

11、onents may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly other entities) to cause cancer and/or birth defects or other reproductive harm. DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHATSOEVER! Avoid

12、 prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to solder/flux vapor! If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food. I REMOTE CONTROL PANELS M

13、 U,C,R,T,A and L modelsM B and G models WALL OUTLET EQUIPMENT UNDER TEST AC LEAKAGE TESTER OR EQUIVALENT INSULATING TABLE CAUTION F802: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE,REPLACE ONLY WITH SAME TYPE 8.0A,125V FUSE. ATTENTION F802: UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 8.0A, 125V

14、 FUSE A V D V D / L D DSPINPUT MOVIE? THTR 1 MONO MOVIETV SPORTSDISCO ROCKHALL EXT.DEC.INDEXEFFECT /DTS? SUR. MOVIE? THTR 2 2 TUNER 3 TAPE/MD 1 CD 5 D-TV 6 VCR 4 DVD/LD 8 CBL/SAT 9 V-AUX 7 PHONO ENTER10 + +? - +? - 0 A/B/C/D/E POWER SELECT AV? DIR ADIR B DISC SKIP? PRESET CHCH A/B DISPLAYVCR REC TES

15、T MENUTITLE TV? POWER TV? SLEEPVOLUMETV VOL MUTE INPUT STANDBYPOWER I SET MENUTIME/LEVEL RAV210 V429760 US - C O D E S E T D V D / L D DSPINPUT MOVIE? THTR 1 MONO MOVIETV SPORTSDISCO ROCKHALL EXT.DEC.INDEXEFFECT /DTS? SUR. MOVIE? THTR 2 2 TUNER 3 TAPE/MD 1 CD 5 D-TV 6 VCR 4 DVD/LD 8 CBL/SAT 9 V-AUX

16、7 PHONO ENTER10 + + - + - 0 A/B/C/D/E POWER SELECT AV DIR ADIR B DISC SKIP? PRESET CHCH A/B DISPLAYVCR REC TEST MENUTITLE TV POWER TV SLEEPVOLUMETV VOL MUTE INPUT STANDBYPOWER I SET MENUTIME/LEVEL RAV211 V429770 EU? ? - C O D E S E T RadioFans.CN 收音机爱 好者资料库 2 RX-V596/HTR-5250/RX-V596RDS I FRONT PANE

17、LS M RX-V596 U, C, A and L modelsBL (Black model) R and T modelsBL (Black model) and GD (Gold model) M RX-V596RDS B modelBL (Black model) G modelBL (Black model) and TI (Titan model) M HTR-5250 U, C and A modelsBL (Black model) T modelBL (Black model) and GD (Gold model) 3 RX-V596/HTR-5250/RX-V596RD

18、S I REAR PANELS M RX-V596/HTR-5250 U model M RX-V596/HTR-5250 C model M RX-V596 R model M RX-V596/HTR-5250 T model 4 RX-V596/HTR-5250/RX-V596RDS M RX-V596/HTR-5250 A model M RX-V596RDS B model M RX-V596RDS G model M RX-V596 L model 5 RX-V596/HTR-5250/RX-V596RDS I SPECIFICATIONS IFM SECTION Tuning Ra

19、nge U, C models87.5 to 107.9MHz R, T models (Frequency Step: 100kHz) 87.5 to 108.0MHz (Frequency Step: 50kHz) 87.50 to 108.00MHz A, B, G, L models87.50 to 108.00MHz 50dB Quieting Sensitivity (IHF) U, C, R, T models only Mono, 1kHz, 100% mod1.6V(15.3dBf) Stereo, 1kHz, 100% mod23V(38.5dBf) Usable Sens

20、itivity (DIN) A, B, G, L models only DIN, Mono(S/N 26dB)0.9V DIN, Stereo(S/N 46dB)28V Alternate Channel Selectivity U, C, R, T models (400kHz)75dB A, B, G, L models (300kHz) Selectivity(two signals, 40kHz Dev.)55dB Signal-to-Noise Ratio U, C, R, T models (IHF) Mono/Stereo81dB/75dB A, B, G, L models

21、(DIN-Weighted, 40kHz Dev.) Mono/Stereo75dB/69dB Harmonic Distortion (1kHz) Mono/Stereo0.1%/0.2% Stereo Separation (1kHz)48dB Frequency Response (20Hz to 15kHz)01dB Output Level (1kHz) U, C, R, T models (100% mod.)550mV A, B, G, L models (40kHz Dev.)550mV Antenna Input75 unbalanced IAUDIO SECTION Min

22、imum RMS Output Power Per Channel (Power Amp. Section) U, C models MAIN L/R, REAR L/R 20Hz to 20kHz, 0.06% THD, 8100W+100W 1kHz, 0.09% THD, 8110W+110W CENTER 20Hz to 20kHz, 0.06% THD, 8100W 1kHz, 0.09% THD, 8110W R,T,A,B,G,L models MAIN L/R, REAR L/R 20Hz to 20kHz, 0.06% THD, 870W+70W 1kHz, 0.09% TH

23、D, 880W+80W CENTER 20Hz to 20kHz, 0.06% THD, 870W 1kHz, 0.09% THD, 880W Maximum Power (EIAJ) R, T models only MAIN L/R, REAR L/R 1kHz, 10% THD, 8105W+105W CENTER, 1kHz, 10% THD, 8105W Dynamic Power Per Channel (IHF) MAIN L/R U, C models 8/6/4/2 130W+130W/150W+150W/190W+190W/240W+240W R,T models 8/6/

24、4/2 90W+90W/110W+110W/135W+135W/160W+160W DIN Standard Output Power Per Channel G model only MAIN L/R, REAR L/R 1kHz, 0.7% THD, 4110W+110W CENTER, 1kHz, 0.7% THD, 4110W Dynamic Headroom(8) U, C models only1.14dB IEC Power G model only MAIN L/R, 1kHz, 0.06% THD, 875W+75W Damping Factor (SPEAKER A) MA

25、IN L/R, 20Hz to 20kHz, 880 Input Sensitivity/Input Impedance PHONO (MM)2.5mV/47k CD etc.150mV/47k MAIN L/R (EXTERNAL DECODER)150mV/47k CENTER150mV/40k SURROUND L/R150mV/40k SUB WOOFER150mV/40k Maximum Input Signal Level (1kHz) PHONO (MM), 0.1% THD100mV CD etc. (EFFECT ON), 0.5% THD2.2V Output Level/

26、Output Impedance REC OUT150mV/1.2k PRE OUT2.1V / 1.2k SUB WOOFER (MAIN SP : SMALL)4V/1.2k Headphone Jack Rated Output/Impedance CD etc., Input=1kHz, 150mV, RL=80.34V/560 Frequency Response(10Hz to 100kHz) CD etc., MAIN0/3dB RIAA Equalization Deviation PHONO (MM)00.5dB Total Harmonic Distortion(20Hz

27、to 20kHz) PHONO (MM) to REC OUT (1V)0.02% CD etc.(EFFECT OFF) to MAIN SP OUT(35W/8) 0.06% Signal-to-Noise Ratio(IHF-A Network) PHONO (MM), Input shorted, REC OUT U, C, R, T models86dB A, B, G, L models81dB CD etc,(EFFECT OFF), Input shorted, SP OUT 99dB Residual Noise(IHF-A Network) MAIN L/R, SP OUT

28、150V Channel Separation(Vol. 30dB, EFFECT OFF) PHONO, Input shorted, 1kHz/10kHz60dB/55dB CD etc, Input 5.1k terminated, 1kHz/10kHz 60dB/45dB Tone Control Characteristics BASS: Boost/Cut10dB(50Hz) : Turnover Frequency350Hz TREBLE: Boost/Cut10dB(20kHz) : Turnover Frequency3.5kHz Filter Characteristics

29、 MAIN, REAR SP SMALL : H.P.F.fc=90Hz, 12dB/oct. SUB WOOFER : L.P.F.fc=90Hz, 18dB/oct. 6 RX-V596/HTR-5250/RX-V596RDS IGENERAL Power Supply U, C modelsAC120V, 60Hz T modelAC220V, 50Hz Standby Power Consumption U, C, models0.70W A, B, G, L models0.89W A modelAC240V, 50Hz U model280W C model310W/410VA R

30、, T models310W A, B, G, L models300W B, G, L modelsAC230V, 50Hz Power Consumption Maximum Power Consumption R model only 5CH Simultaneous output, 10% THD510W AC Outlet U, C, R, T, G, L models, Switched x 2100W max(Total) A, B models, Switched x 1100W max Dimensions(W x H x D)435 x 151 x 390.5mm (17-

31、1/8 x 5-15/16 x 15-3/8) Weight11.2kg(24Ibs. 11oz) Accessories AM loop antenna x 1 Indoor FM antenna x 1 Remote Control Transmitter x 1 Battery (size AAA, R03) x 4 * Specifications subject to change without notice. U . U. S. A. modelA .Australian model C . Canadian modelB .British model R . General m

32、odelG .European model T BL.Black model . China model TI.Titan model GD.Gold model L .Singapore model IAM SECTION Tuning Range U, C models530 to 1710kHz R, T models (Frequency Step : 10kHz)530 to 1710kHz (Frequency Step : 9kHz)531 to 1611kHz A, B, G, L models531 to 1611kHz Usable Sensitivity300V/m Si

33、gnal-to-Noise Ratio52dB Output Level (1kHz, 30% mod.)150mV AntennaLoop antenna IVIDEO SECTION Video Signal Type U, C modelsNTSC R modelNTSC/PAL T, A, B, G, L modelsPAL Video Signal Level1Vp-p/75 S-Video Signal LevelY:1Vp-p/75,C:0.286Vp-p/75 Maximum Input Level1.5Vp-p Signal-to-Noise Ratio50dB Monito

34、r Output Frequency Response(3dB) 5Hz10MHz G DIMENSIONS Units: mm (inch) 21.5 (7/8) 435(17-1/8) 349.5(13-3/4) 390.5(15-3/8) 130(5-3/32) 151(5-15/16) 19.5 (13/16) 21 (27/32) WARNING Do not change the IMPEDANCE SELECTOR switch setting while the power to this unit is on, otherwise this unit may be damag

35、ed. IMPEDANCE SELECTOR Manufactured under license from Digital Theater Systems, Inc. US Pat. No. 5,451,942 and other world- wide patents issued and pending. DTS, DTS Digital Surround, are trademarks of Digital Theater Systems, Inc. Copyright 1996 Digital Theater Systems, inc. All rights reserved. Ma

36、nufactured under license from Dolby Laboratories. DOLBY, AC-3, PRO LOGIC, and the double-D symbol are trademarks of Dolby Laboratories. Confidential unpublished works. 1992-1997 Dolby Laboratories. All rights reserved. R modelAC110/120/220/240V, 50/60Hz 7 RX-V596/HTR-5250/RX-V596RDS I DISASSEMBLY PR

37、OCEDURES (Remove parts in disassembly order as numbered.) 1. Removal of Top Cover Remove 4 screws () and 4 screws () in Fig. 1. 2. Removal of Front Panel a. Remove 5 knobs. b. Remove 6 screws () in Fig. 1. Fig.1 1POWER TRANSFORMER 2P.C.B. POWER (2) 3P.C.B. POWER (7) (U,C,A,B,G,L models only) 4P.C.B.

38、 MAIN (3) 5P.C.B. POWER (6) (R,T models only) 6P.C.B. MAIN (4) 7P.C.B. POWER (4) (R,T models only) 8P.C.B. MAIN (2) 9P.C.B. MAIN (1) 0P.C.B. POWER (3) AP.C.B. INPUT (1) BP.C.B. INPUT (4) CP.C.B. INPUT (3) DP.C.B. INPUT (2) EP.C.B. INPUT (5) FP.C.B. TUNER GP.C.B. POWER (5) HP.C.B. MAIN (5) IP.C.B. OP

39、ERATION (3) JP.C.B. OPERATION (1) KP.C.B. MAIN (6) LP.C.B. POWER (1) MP.C.B. OPERATION (2) NP.C.B. DSP I INTERNAL VIEW Front Panel Top Cover Knob FDEBCA0987654321 NMLKJIHG 8 RX-V596/HTR-5250/RX-V596RDS I SELF DIAGNOSIS FUNCTION 1. PURPOSE AND OPERATION The RX-V596/HTR-5250/RX-V596RDS has a Self Diag

40、nosis Function to locate a faulty part, if any, by inspecting and taking measurements. There are 12 main items in the diagnostic menu and sub-menu items as listed below. No. 1 2 3 4 5 6 7 8 9 10 12 SUB-MENU 1. MAIN BYPASS 2. DSP 0dB 1. YSS+SRAM M 2. YSS M 3. DSP FULL BIT 1. STATUS (BINARY FORM) 1. C

41、ENTER LARGE 2. EFFECT OFF 1. MAIN : SMALL 0dB 2. MAIN : LARGE 0dB 3. MAIN : LARGE 10dB 4. LFE/BASS : MAIN CENTER : NONE 5. LFE/BASS : MAIN 6. LFE/BASS : SUBWOOFER 7. CENTER : NONE 8. CENTER : SMALL REAR : SMALL 9. FRONT MIX 1. (EFFECT OFF) 2. ALL SEGMENTS TURN OFF 3. ALL SEGMENTS TURN ON 4. ALTERNAT

42、E SEGMENTS TURN ON 5. SOFTWARE RELEASE DATE 1. ALL 2. MAIN L 3. CENTER 4. MAIN R 5. REAR R 6. REAR L 7. LFE 1. INHIBIT (Inhibit Memory Initialize) 2. RESERVED (Reserve Memory Initialize) 1. 2. KEY1, KEY2 3. TUNER SIGNAL LEVEL 5. PS PROTECTION 1./2. DSP STATUS (1)/(2) 3./4. CHANNEL STATUS (1)/(2) 5./

43、6. BSI0 (1)/(2) 7./8. BSI1 (1)/(2) 9./10. BSI2 (1)/(2) 11./12. BSI3 (1)/(2) 13./14. BSI4 (1)/(2) 15./16. BSI5 (1)/(2) 1. VERSION and CHECK SUM 2. MODEL TYPE and DESTINATION 3. EXIT MAIN MENU ANALOG THROUGH DSP THROUGH AC3/DTS THROUGH PRO LOGIC SPEAKERS SET DISPLAY CHECK (EFFECT OFF) MANUAL TEST FACT

44、ORY PRESET AD DATA CHECK STATUS INFORMATION FROM DSP UNIT INFORMATION/ EXIT REMOTE CONTROL CODE (KEY) 7A88 (1 DSP mode) 111. CHECK SUM MODIFICATION DATA EEPROM DATA 2. WRITING CONFIRMATION 3. START WRITING EEPROM WRITING FUNCTION 7A89 (2 DSP mode) 7A8A (3 DSP mode) 7A8B (4 DSP mode) 7A8C (5 DSP mode

45、) 7A8D (6 DSP mode) 7A8E (7 DSP mode) 7A8F (8 DSP mode) 7A90 (9 DSP mode) 7A91 (0 DSP mode) 7A-12 (ENTER DSP mode) 7A-56 (10 DSP mode) 4. DC PROTECTION 9 RX-V596/HTR-5250/RX-V596RDS 1. 2. 3. 4. 5. 6. 7. EFFECT LEVEL: MUTING: OFF INPUT (VIDEO): DVD/LD (DVD/LD) CENTER SPEAKER: LARGE REAR SPEAKER: LARG

46、E MAIN SPEAKER: LARGE LFE/BASS OUT: SWFR CHANNELCENTERR SURL SURSWFR LEVEL (dB)0000 C. Start-up display The protection history information appears on the front panel display. 2. BEGINNING AND CANCELLATION (1) Starting up the function and the display After starting up, main-menu No.1 is selected. A. How to start diagnostic program Using the front panel keys of the main unit. Plug in the AC power cord. With th