Yamaha-DSPAX-750-Service-Manual电路原理图.pdf

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Yamaha-DSPAX-750-Service-Manual电路原理图.pdf

SERVICE MANUAL 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 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 owners 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 or firm does not constitute authorization, certification or recognition of any applicable technical capabilities, 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, therefore, 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 have 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. IMPORTANT NOTICE 100885 SERVICE MANUAL RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 AV RECEIVER/AV AMPLIFIER AMP CHECK / . . . . . . . . . . . . . . . . . . . .47 DISPLAY DATA . . . . . . . . . . . . . . . . . . . . . . . . . . 4849 IC DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5060 BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . 6162 PRINTED CIRCUIT BOARD . . . . . . . . . . . . . . . . 6377 PIN CONNECTION DIAGRAM . . . . . . . . . . . . . . . . . 78 SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . 7988 PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89125 REMOTE CONTROL RAV270, RAV271 . . . . 126127 REMOTE CONTROL RAV248, RAV249 . . . . . . . . 128 I CONTENTS TO SERVICE PERSONNEL . . . . . . . . . . . . . . . . . . . . 2 IMPEDANCE SELECTOR . . . . . . . . . . . . . . . . . . . . . . 3 FRONT PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 REMOTE CONTROL PANELS . . . . . . . . . . . . . . . . . . 6 REAR PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . 713 SPECIFICATIONS / 参考仕様 . . . . . . . . . . . . . . . . .1418 INTERNAL VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 DISASSEMBLY PROCEDURES / 分解手順 . . . . .2024 SELF DIAGNOSIS FUNCTION (DIAG) / 自己診断機能（） . . . . . . . . . . . . . . . . . . . . 2546 RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 RadioFans.CN 收音机爱好者资料库 RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 2 RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 I TO SERVICE PERSONNEL 1. Critical Components Information Components having special characteristics are marked Z and must be replaced with parts having specifications equal to those originally 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. GMeter impedance should be equivalent to 1500 ohm shunted by 0.15F. AC LEAKAGE TESTER OR EQUIVALENT EQUIPMENT UNDER TEST INSULATING TABLE WALL OUTLET GLeakage current must not exceed 0.5mA. GBe 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) components 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 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. About Lead Free Solder / 無鉛 The P.C.B.s installed in this unit are soldered using the fol- lowing solder. 本機搭載基板付使用下記通。無鉛種類、修理時下記無鉛使用推奨。 Sn+Ag+Cu （錫+ 銀+銅） Sn+Cu （錫+ 銅） Sn+Zn+Bi （錫+ 亜鉛+） 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 + Cu (tin + silver + copper) Sn + Cu (tin + copper) Sn + Zn + Bi (tin + zinc + bismuth) “CAUTION” “F1, F2 : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 10A, 125V FUSE.” CAUTION F1, F2 : REPLACE WITH SAME TYPE 10A, 125V FUSE. ATTENTION F1, F2 : UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 10A, 125V. A V Component Si de / 部品面Foi l Si de / 面 DSP P. C. B.Lead Solder / 鉛入Lead Free Solder / 無鉛 FUNCTI ON P. C. B.Lead Free Solder / 無鉛 OPERATI ON P. C. B.Lead Free Solder / 無鉛 MAI N P. C. B.Lead Free Solder / 無鉛 POWER P. C. B.Lead Free Solder / 無鉛 SUB TRANS P. C. B.Lead Free Solder / 無鉛 CONVERSI ON P. C. B.Lead Solder / 鉛入Lead Free Solder / 無鉛 RadioFans.CN 收音机爱好者资料库 RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 3 Caution: 1. 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. 2. If lead solder must be used, be sure to remove lead-free solder from each terminal section of the parts to be re- placed and from the area around it completely before sol- dering, or make sure that the lead free solder and lead solder melt together fully. 注意： 1. 無鉛融点温度通常鉛入比30 40 程度高、合使用。 2. 鉛入使得場合、交換部品端子部周辺部無鉛取除、無鉛鉛入十分溶状態付。 I IMPEDANCE SELECTOR WARNING: Do not change the setting of the IMPEDANCE SELECTOR switch when the unit power is switched on, as doing so may damage the unit. IMPEDANCE SELECTOR switch RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 4 RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 M DSP-AX750SE (B model) M RX-V750 (U, C, R, T, K, A, G, L models) I FRONT PANELS M DSP-AX750 (J model) RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 5 M RX-V650 (U, C, R, T, K, A, B, G, L, E models) M HTR-5760 (U, C, T, K, A models) RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 6 RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 I REMOTE CONTROL PANELS TRANSMITRE-NAME INPUT MODESTANDBY SYSTEM POWER ABPHONO CDMD/CD-RTUNERV-AUX DVD AMP POWERPOWER REC AUDIO MUTE MENUTITLE CHCH VOL DISC SKIP SET MENULEVEL A/B/C/D/ETV INPUT TV VOL PRESET TESTON SCREENSTRAIGHT ROCKJAZZHALLSTEREO 4321 8 10 7 09 65 ENTER MOVIETV THTRMUSICENTERTAIN EX/ESNIGHTV/DTSPURE DIRECT EFFECT CHP/INDEX DISPLAYRETURN PRESET TV MUTE SELECT TV VOL AVTV SELECT VCR 1DTV/CBLDVR/VCR2 MULTI CH IN SLEEP CLEARLEARN RAV270 WC63290 US TRANSMITRE-NAME INPUT MODESTANDBY SYSTEM POWER ABPHONO CDMD/CD-RTUNERV-AUX DVD AMP POWERPOWER REC AUDIO MUTE MENUTITLE CHCH VOL DISC SKIP FREQ/RDSEON START SET MENULEVEL A/B/C/D/ETV INPUT MODE PTY SEEK TV VOL PRESET TESTON SCREENSTRAIGHT ROCKJAZZHALLSTEREO 4321 8 10 7 09 65 ENTER MOVIETV THTRMUSICENTERTAIN EX/ESNIGHTV/DTSPURE DIRECT EFFECT DISPLAYRETURN PRESET TV MUTE SELECT TV VOL AVTV SELECT VCR 1DTV/CBLDVR/VCR2 MULTI CH IN SLEEP CLEARLEARN RAV271 WC63300 EU RX-V750 (U, C, R, T, K, A, L models) DSP-AX750 (J model) RX-V750 (G model) DSP-AX750SE (B model) M RAV270M RAV271 TRANSMITCODE SET STANDBY SYSTEM POWER CDMD/CD-RTUNER V-AUXDVD AMP POWERPOWER REC AUDIO MUTE MENUTITLE VOLUME DISC SKIP SET MENULEVEL A/B/C/D/E TESTON SCREEN STRAIGHT ROCKJAZZHALLSTEREO 4321 8 10 7 09 65 ENTER MOVIETV THTRMUSICENTERTAIN EX/ESNIGHTV/DTS EFFECT DISPLAYRETURN TV MUTETV INPUT TV VOLTV CH AVTV SELECT VCR 1DVR/VCR2 DTV/CBLMULTI CH IN SLEEP PRESET/CH RAV248 WC55260 US TRANSMITCODE SET STANDBY SYSTEM POWER CDMD/CD-RTUNER V-AUXDVD AMP POWERPOWER REC AUDIO MUTE MENUTITLE VOLUME DISC SKIP FREQ/RDSEONSTART SET MENULEVEL A/B/C/D/E MODEPTY SEEK TESTON SCREEN STRAIGHT ROCKJAZZHALLSTEREO 4321 8 10 7 09 65 ENTER MOVIETV THTRMUSICENTERTAIN EX/ESNIGHTV/DTS EFFECT DISPLAYRETURN TV MUTETV INPUT TV VOLTV CH AVTV SELECT VCR 1DVR/VCR2 DTV/CBLMULTI CH IN SLEEP PRESET/CH RAV249 WC55270 EU RX-V650 (U, C, R, T, K, A, L models) HTR-5760 (U, C, R, T, K, A models) RX-V650 (B, G, E models) M RAV248M RAV249 RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 7 I REAR PANELS M RX-V750 (U, C models) M RX-V750 (R model) M RX-V750 (T model) RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 8 RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 M RX-V750 (K model) M RX-V750 (A model) M RX-V750 (G model) RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 9 M RX-V750 (L model) M DSP-AX750 (J model) M DSP-AX750SE (B model) RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 10 RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 M RX-V650 (U, C models) M RX-V650 (R model) M RX-V650 (T model) RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 11 M RX-V650 (K model) M RX-V650 (A model) M RX-V650 (B model) RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 12 RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 M RX-V650 (G, E models) M RX-V650 (L model) M HTR-5760 (U, C models) RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 13 M HTR-5760 (T model) M HTR-5760 (K model) M HTR-5760 (A model) RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 14 RX-V750/DSP-AX750/DSP-AX750SE RX-V650/HTR-5760 I SPECIFICATIONS / 参考仕様 AUDIO SECTION / 部 Minimum RMS Output Power (Power Amp. Section) / 定格出力 RX-V750/DSP-AX750/DSP-AX750SE (20 Hz to 20 kHz) FRONT L/R U, C, R, T, K, A, B, G, L models (0.06% THD, 8 ohms) . . .100 W + 100 W J model (0.09% THD, 6 ohms) . . . . . . . . . . . .100 W + 100 W CENTER U, C, R, T, K, A, B, G, L models (0.06% THD, 8 ohms) . . . . . . . . .100 W J model (0.09% THD, 6 ohms) . . . . . . . . . . . . . . . . . . .100 W SURROUND L/R U, C, R, T, K, A, B, G, L models (0.06% THD, 8 ohms) . . .100 W + 100 W J model (0.09% THD, 6 ohms) . . . . . . . . . . . .100 W + 100 W SURROUND BACK L/R U, C, R, T, K, A, B, G, L models (0.06% THD, 8 ohms) . . .100 W + 100 W J model (0.09% THD, 6 ohms) . . . . . . . . . . . .100 W + 100 W (1 kHz) FRONT L/R U, C, R, T, K, A, B, G, L models (0.7% THD, 8 ohms) . . . .115 W + 115 W CENTER U, C, R, T, K, A, B, G, L models (0.7% THD, 8 ohms) . . . . . . . . . .115 W SURROUND L/R U, C, R, T, K, A, B, G, L models (0.7% THD, 8 ohms) . . . .115 W + 115 W SURROUND BACK L/R U, C, R, T, K, A, B, G, L models (0.7% THD, 8 ohms) . . . .115 W + 115 W RX-V650/HTR-5760 (20 Hz to 20 kHz) FRONT L/R U, C, R, T, K, A, B, G, L, E models (0.06% THD, 8 ohms) . . .95 W + 95 W CENTER U, C, R, T, K, A, B, G, L, E models (0.06% THD, 8 ohms) . . . . . . . .95 W SURROUND L/R U, C, R, T, K, A, B, G, L, E models (0.06% THD, 8 ohms) . . .95 W + 95 W SURROUND BACK L/R U, C, R, T, K, A, B, G, L, E models (0.06% THD, 8 ohms) . . .95 W + 95 W (1 kHz) FRONT L/R U, C, R, T, K, A, B, G, L, E models (0.7% THD, 8 ohms) . .110 W + 110 W CENTER U, C, R, T, K, A, B, G, L, E models (0.7% THD, 8 ohms) . . . . . . . .110 W SURROUND L/R U, C, R, T, K, A, B, G, L, E models (0.7% THD, 8 ohms) . .110 W + 110 W SURROUND BACK L/R U, C, R, T, K, A, B, G, L, E models (0.7% THD, 8 ohms) . .110 W + 110 W Maximum Power (EIAJ) / 実用最大出力 RX-V750/DSP-AX750/DSP-AX750SE FRONT L/R (1 kHz, 10 % THD) R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . . . . . .140 W J model (6 ohms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140 W CENTER (1 kHz, 10 % THD) R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . . . . . .140 W J model (6 ohms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140 W SURROUND L/R (1 kHz, 10 % THD) R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . . . . . .140 W J model (6 ohms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140 W SURROUND BACK L/R (1 kHz, 10 % THD) R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . . . . . .140 W J model (6 ohms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140 W RX-V650/HTR-5760 FRONT L/R (1 kHz, 10 % THD) R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . . . . . .135 W CENTER (1 kHz, 10 % THD) R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . . . . . .135 W SURROUND L/R (1 kHz, 10 % THD) R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . . . . . .135 W SURROUND BACK L/R (1 kHz, 10 % THD) R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . . . . . .135 W DIN Standard Output Power Per Channel (B, G, L, E models) RX-V750/DSP-AX750/DSP-AX750SE (1 kHz, 0.7 % THD, 4 ohms) FRONT L/R . . . . . . . . . . . . . . . . . . . . . . . . . . . .150 W + 150 W CENTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150 W SURROUND L/R . . . . . . . . . . . . . . . . . . . . . . . .150 W + 150 W SURROUND BACK L/R . . . . . . . . . . . . . . . . . . .150 W + 150 W RX-V650/HTR-5760 (1 kHz, 0.7 % THD, 4 ohms) FRONT L/R . . . . . . . . . . . . . . . . . . . . . . . . . . . .145 W + 145 W CENTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .145 W SURROUND L/R . . . . . . . . . . . . . . . . . . . . . . . .145 W + 145 W SURROUND BACK L/R . . . . . . . . . . . . . . . . . . .145 W + 145 W IEC Power (B, G, L, E models) RX-V750/DSP-AX750/DSP-AX750SE FRONT L/R, 1 kHz, 0.06% THD, 8 ohms . . . . . .110 W + 110 W RX-V650/HTR-5760 FRONT L/R, 1 kHz, 0.06% THD, 8 ohms . . . . . .105 W + 105 W Dynamic Power Per Channel (IHF) / RX-V750/DSP-AX750/DSP-AX750SE FRONT L/R U, C, R, T, K, A, B, G, L models (8/6/4/2 ohms) . . .135/170/200/245 W J model (6/4/2 ohms) . . . . . . . . . . . . . . . . . . .140/170/215 W RX-V650/DSP-AX750/DSP-AX750SE U, C, R, T, K, A, B, G, L, E models (8/6/4/2 ohms) . . .130/165/195/240 W Dynamic Headroom (U, C models) RX-V750/DSP-AX750/DSP-AX750SE 8 ohms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.30 dB RX-V650/HTR-5760 8 ohms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.36 dB Damping Factor / FRONT L/R, 20 Hz to 20 kHz, 8 ohms . . . . . . . . . .100 or more Input Sensitivity/Impedance / 入力感度/ (1 kHz, 100W/8 ohms) PHONO MM RX-V750/DSP-AX750/DSP-AX750SE . . .2.5 mV/47 k-ohms CD, etc. . . . . . . .

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