Yamaha-HTR-6250-Service-Manual电路原理图.pdf

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1、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 specifi cally YAMAHA Products, are already known and understood by the users, and have therefore

2、 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 specifi ed. For these reasons, we advise all YAMAHA product owners that an

3、y 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 or fi rm does not constitute authorization, certifi cation or recognition of any applicable technical capabilities, or

4、 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, therefore, in

5、evitable and specifi cations are subject to change without notice or obligation to retrofi t. 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 have acc

6、umulated 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. 1 0 11 3 3 animate 09.03 P.O.Box 1, Hamamatsu, Japan Copyright 2009

7、 All rights reserved. This manual is copyrighted by YAMAHA and may not be copied or redistributed either in print or electronically without permission. SERVICE MANUAL RX-V565/HTR-6250/ AX-V565 RX-V565/HTR-6250/ AX-V565 AV RECEIVER/AV AMPLIFIER CONTENTS TO SERVICE PERSONNEL .2 FRONT PANELS .34 REAR P

8、ANELS .59 REMOTE CONTROL PANEL .9 SPECIFICATIONS / 参考仕様 .1016 INTERNAL VIEW .17 SERVICE PRECAUTIONS / 時注意事項 .17 DISASSEMBLY PROCEDURES / 分解手順 .1820 UPDATING FIRMWARE / 書込 .2132 SELF-DIAGNOSTIC FUNCTION / （自己診断機能） .3366 DISPLAY DATA .6768 IC DATA .6986 PIN CONNECTION DIAGRAMS .8789 BLOCK DIAGRAMS .90

9、93 PRINTED CIRCUIT BOARDS .94111 SCHEMATIC DIAGRAMS . 113124 REPLACEMENT PARTS LIST .125143 REMOTE CONTROL .144146 ADVANCED SETUP / 本機設定変更 .147148 RadioFans.CN 收音机爱 好者资料库 2 RX-V565/HTR-6250/ AX-V565 RX-V565/HTR-6250/AX-V565 This product contains chemicals known to the State of California to cause ca

10、ncer, or birth defects or other reproductive harm. DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHATSOEVER! Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to solder/flux vap

11、or! If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food. 1. Critical Components Information Components having special characteristics are marked and must be replaced with parts having specifications equal to those origin

12、ally installed. 2. Leakage Current Measurement (For 120V Models Only) When service has been completed, it is imperative to verify that all exposed conductive surfaces are properly insulated from supply circuits. Meter impedance should be equivalent to 1500 ohms shunted by 0.15 F. For U model “CAUTIO

13、N” “F3701: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 6A, 125V FUSE.” For C model CAUTION F3701: REPLACE WITH SAME TYPE 6A, 125V FUSE. ATTENTION F3701: UTILISER UN FUSIBLE DE RECHANGE DE MME TYPE DE 6A, 125V. 本機搭載基板付 接合部無鉛付。 無鉛種類、修理時 下記無鉛使用推奨。 Sn+Ag+Cu（錫 + 銀 + 銅） Sn+C

14、u（錫 + 銅） Sn+Zn+Bi（錫 + 亜鉛 + ） 注意： 無鉛融点温度通常鉛入比 30 40程度高、 合 使用。 All of the P.C.B.s installed in this unit and solder joints are soldered using the lead free solder. Among some types of lead free solder currently available, it is recommended to use one of the following types for the repair work. Sn + Ag

15、 + Cu (tin + silver + copper) Sn + Cu (tin + copper) Sn + Zn + Bi (tin + zinc + bismuth) Caution: As the melting point temperature of the lead free solder is about 30C to 40C (50F to 70F) higher than that of the lead solder, be sure to use a soldering iron suitable to each solder. TO SERVICE PERSONN

16、EL Leakage current must not exceed 0.5mA. Be sure to test for leakage with the AC plug in both polarities. WALL OUTLET EQUIPMENT UNDER TEST AC LEAKAGE TESTER OR EQUIVALENT INSULATING TABLE WARNING: CHEMICAL CONTENT NOTICE! About lead free solder / 無鉛 RadioFans.CN 收音机爱 好者资料库 3 RX-V565/HTR-6250/ AX-V5

17、65 RX-V565/HTR-6250/AX-V565 Top view Front view FRONT PANELS U, C, R, T, K, A, B, G, E, F, L models RX-V565 (U, C, R, K, A, B, G, E, F, L models) RX-V565 (T model) J model 4 RX-V565/HTR-6250/ AX-V565 RX-V565/HTR-6250/AX-V565 AX-V565 (J model) HTR-6250 (U, C, K, F models) 5 RX-V565/HTR-6250/ AX-V565

18、RX-V565/HTR-6250/AX-V565 RX-V565 (U model) RX-V565 (C model) RX-V565 (R model) REAR PANELS 6 RX-V565/HTR-6250/ AX-V565 RX-V565/HTR-6250/AX-V565 RX-V565 (T model) RX-V565 (K model) RX-V565 (A model) 7 RX-V565/HTR-6250/ AX-V565 RX-V565/HTR-6250/AX-V565 RX-V565 (B, G, E, F models) RX-V565 (L model) HTR

19、-6250 (U model) 8 RX-V565/HTR-6250/ AX-V565 RX-V565/HTR-6250/AX-V565 HTR-6250 (C model) HTR-6250 (K model) HTR-6250 (F model) 9 RX-V565/HTR-6250/ AX-V565 RX-V565/HTR-6250/AX-V565 AX-V565 (J model) REMOTE CONTROL PANEL RAV293 (U, C, R, T, K, A, B, G, E, F, L, J models) 10 RX-V565/HTR-6250/ AX-V565 RX

20、-V565/HTR-6250/AX-V565 Audio Section / 部 Minimum RMS Output Power (Power Amp. Section) / 定格出力（部） (1 kHz, 0.9 % THD) FRONT L/R, CENTER, SURROUND L/R, SURROUND BACK L/R U, C models (8 ohms) .90 W/ch R, T, K, A, B, G, E, F, L, J models (6 ohms) .90 W/ch Maximum Power / 実用最大出力 (JEITA) (1 kHz, 10 % THD,

21、6 ohms) R, T, K, L, J models FRONT L/R, CENTER, SURROUND L/R, SURROUND BACK L/R .115 W/ch MAX. Power Per Channel (1 kHz, 0.7 % THD, 4 ohms) B, G, E, F, L models FRONT L/R, CENTER, SURROUND L/R, SURROUND BACK L/R .105 W/ch IEC Power (1 kHz, 0.9 % THD, 8 ohms) B, G, E, F, L models FRONT L/R .90 W/ch D

22、ynamic Power Per Channel / (IHF) FRONT L/R drive U, C models (8 / 6 / 4 / 2 ohms) .95 / 110 / 130 / 150 W R, T, K, A, B, G, E, F, L, J models (6 / 4 / 2 ohms) .100 / 110 / 125 W Dynamic Headroom U, C models 8 ohms .0.23 dB Input Sensitivity/Input Impedance / 入力感度入力 (1 kHz, 100 W/6 ohms) AV5 etc. . 2

23、00 mV / 47 k-ohms Maximum Input Signal / 最大許容入力 (1 kHz, 0.5 % THD) AV5 etc. .2.0 V or more Output Level/Output Impedance / 出力電圧出力 REC OUT . 200 mV/1.2 k-ohms SUBWOOFER (2 ch stereo and FRONT SP: small) . 1 V/1.2 k-ohms Headphone Jack Rated Output/Output Impedance / 出力出力 AV5 etc. input (1 kHz, 50 mV,

24、 8 ohms) . 100 mV/470 ohms Frequency Response / 再生周波数帯域 CD etc., FRONT (10 Hz to 100 kHz) .0/-3 dB Total Harmonic Distortion / 全高調波歪率 AV5 etc. (DIRECT) to FRONT SP OUT (1 kHz, 50 W) U, C models (8 ohms) .0.06 % or less R, T, K, A, B, G, E, F, L, J models (6 ohms) .0.06 % or less Signal to Noise Rati

25、o / 信号対雑音比 (IHF-A network) AV5, etc. (DIRECT) to SP OUT (Input shorted 250 mV) . 100 dB or more Residual Noise / 残留 (IHF-A Network) FRONT L/R to SP OUT .150 V or less Channel Separation / AV5, etc. (Input 5.1 k-ohms shorted) 1 kHz / 10 kHz . 60 dB or more / 45 dB or more Volume Control / 可変範囲 .MUTE

26、/ -80 dB to +16.5 dB / 0.5 dB step Tone Control Characteristics / 特性 FRONT L/R Bass Boost/Cut . 10 dB/2 dB, step 50 Hz Turnover frequency .350 Hz Treble Boost/Cut .10 dB/2 dB, step 20 kHz Turnover frequency .3.5 kHz Filter Characteristics / 特性 FRONT, CENTER, SURROUND, SURROUND BACK small (H.P.F.) .f

27、c=40/60/80/90/100/110/120/160/200 Hz, 12 dB/oct. SUBWOOFER small (L.P.F.) .fc=40/60/80/90/100/110/120/160/200 Hz, 24 dB/oct. SPECIFICATIONS / 参考仕様 Video Section / 部 Video Signal Type / 信号方式 Gray back / U, C, R, K, J models .NTSC T, A, B, G, E, F, L models .PAL Video conversion / .NTSC/PAL Composite

28、Video Signal Level / 信号 .1 Vp-p / 75 ohms S-Video Signal Level B, G, E, F models Y .1 Vp-p / 75 ohms C .0.286 Vp-p / 75 ohms Component Video Signal Level / 信号 Y .1 Vp-p / 75 ohms Cb/Cr .0.7 Vp-p / 75 ohms D4 Video Signal / D4 信号 J model Y .1 Vp-p / 75 ohms Cb/Cr .0.7 Vp-p / 75 ohms Video Maximum Inp

29、ut Level / 最大許容入力 .1.5 Vp-p or more Video Signal to Noise Ratio / 信号対雑音比 . 50 dB or more Monitor Out Frequency Response / 出力周波数帯域 Component video signal level .5 Hz to 60 MHz, -3 dB D4 video signal / D4 信号 (J model) .5 Hz to 60 MHz, -3 dB FM Section / FM 部 Tuning Range / 受信周波数範囲 U, C models .87.5 to

30、 107.9 MHz R, L models .87.5 to 108.0 MHz / 87.50 to 108.00 MHz T, K, A, B, G, E, F models .87.50 to 108.00 MHz J model .76.0 to 90.0 MHz 50 dB Quieting Sensitivity (IHF) (1 kHz, 100 % MOD.) MONO/STEREO .3 V (20.8 dBf) Signal to Noise Ratio / S/N 比 (IHF) Mono .74 dB Stereo .69 dB Harmonic Distortion

31、 / 歪率 (1 kHz) Mono .0.3 % Stereo .0.3 % Antenna Input / 入力 . 75 ohms unbalanced AM Section / AM 部 Tuning Range U, C models .530 to 1,710 kHz R, L models .530 to 1,710 kHz / 531 to 1,611 kHz T, K, A, B, G, E, F, J models .531 to 1,611 kHz Antenna / .Loop antenna General / 総合 Power Supply / 電源電圧 U, C

32、models .AC 120 V, 60 Hz R model . AC 110/120/220/230240 V, 50/60 Hz T model .AC 220 V, 50 Hz K model .AC 220 V, 60 Hz A model .AC 240 V, 50 Hz B, G, E, F models .AC 230 V, 50 Hz L model . AC 220/230240 V, 50/60 Hz J model .AC 100 V, 50/60 Hz Power Consumption / 消費電力 U, C models .270 W / 320 VA R, T,

33、 K, A, B, G, E, F, L models .280 W J model .175 W 11 RX-V565/HTR-6250/ AX-V565 RX-V565/HTR-6250/AX-V565 U .U.S.A. model C .Canadian model R .General model T .Chinese model K .Korean model A .Australian model B .British model G .European model E .South European model F . Russian model L .Singapore mo

34、del J .Japanese model Standby Power Consumption (reference data) HDMI control: OFF / Standby through: OFF .0.2 W or less HDMI control: ON / Standby through: ON / Repeat .3 W or less HDMI control: ON / Standby through: ON .1.2 W or less Maximum Power Consumption R, L models (7 ch drive, 10 % THD) .490 W Dimensions (W x H x D) / 寸法（幅 高 奥行） .435 x 15