Yamaha-DSPE-800-Service-Manual电路原理图.pdf
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1、DSP-E800 DSP-E800 DSP-E800 100719 AV PROCESSOR/AMPLIFIER SERVICE MANUAL I CONTENTS TO SERVICE PERSONNEL . 1 REAR PANELS . 1 SPECIFICATIONS . 2 INTERNAL VIEW . 3 DISASSEMBLY PROCEDURES . 34 ADJUSTMENTS . 5 SELF DIAGNOSIS FUNCTION. 617 FACTORY PRESET . 18 IC DATA . 1927 DISPLAY DATA . 28 PIN CONNECTIO
2、N DIAGRAM . 29 BLOCK DIAGRAM . 3031 PRINTED CIRCUIT BOARD . 3241 SCHEMATIC DIAGRAM . 4247 PARTS LIST . 4859 REMOTE CONTROL TRANSMITTER. 60 This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel. It has been assumed that basic service procedures inherant
3、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 compone
4、nts and failure of the product to perform as specified. For these reasons, we advise all YAMAHA product owners that all 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 o
5、r 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
6、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. WAR
7、NING: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 parts replacement. Recheck
8、all work before you apply power to the unit. IMPORTANT NOTICE RadioFans.CN 收音机爱 好者资料库 DSP-E800 DSP-E800 M G model I REAR PANELS M B model 1 I TO SERVICE PERSONNEL Critical Components Information Components having special characteristics are marked Z and must be replaced with parts having specificati
9、ons equal to those originally installed. AC LEAKAGE TESTER OR EQUIVALENT EQUIPMENT UNDER TEST INSULATING TABLE WALL OUTLET IMPEDANCE SELECTOR WARNING Do not change the IMPEDANCE SELECTOR switch setting while the power to this unit is on, otherwise this unit may be damaged. RadioFans.CN 收音机爱 好者资料库 DS
10、P-E800 DSP-E800 2 I AUDIO SECTION Minimum RMS Output Power per Channel CENTER 20Hz to 20kHz, 0.06% THD, 870W 1kHz, 0.09% THD, 880W REAR 20Hz to 20kHz, 0.06% THD, 870W+70W 1kHz, 0.09% THD, 880W+80W Dynamic Power per Channel (IHF) REAR, 890W+90W REAR, 6110W+110W REAR, 4135W+135W REAR, 2160W+160W DIN S
11、tandard Output Power per Channel (G model only) CENTER, 1kHz, 0.7% THD, 4110W REAR, 1kHz, 0.7% THD, 4110W+110W IEC Power (G model only) CENTER, 1kHz, 0.04% THD, 875W REAR, 1kHz, 0.04% THD, 875W+75W Damping Factor CENTER, REAR, 20Hz to 20kHz, 8100 or more Input Sensitivity/Impedance CD, etc.150mV/47k
12、 6 CH INPUT (Ext. D.) MAIN150mV/47k CENTER, REAR, SUBWOOFER150mV/40k Maximum Input Signal 1kHz, 0.5% THD, CD, etc. (EFFECT ON)2.2V Output Level/Impedance REC OUT150mV/1.2k PRE OUT MAIN, CENTER, REAR1V/1.2k PRE OUT SUBWOOFER (MAIN SP: SMALL)4V/1.2k Frequency Response 10Hz to 100kHz, CD, etc. MAIN0/ -
13、 3dB Total Harmonic Distortion DISCRETE inputs to REAR SP OUT (20Hz to 20kHz, 35W/8)0.06% Signal to Noise Ratio (IHF-A-Network) CD, etc. (EFFECT OFF) (S: 150mV) MAIN PRE OUT99dB Residual Noise (IHF-A-Network) CENTER, REAR, SP OUT150V Channel Separation (Vol. 30dB) CD, etc. (EFFECT OFF) (Input 5.1k S
14、horted) 1kHz/10kHz60dB/45dB Filter Characteristics MAIN, REAR SP SMALL : H.P.F.fc = 90Hz, 12dB/oct. SUBWOOFER : L.P.F.fc = 90Hz, 18dB/oct. I SPECIFICATIONS I GENERAL Power Supply B, G modelsAC 230V, 50Hz Power Consumption B, G models180W Standby Power Consumption (reference data) B, G models0.85W AC
15、 Outlets Switched x 1100W max. Dimensions (W x H x D)435 x 126 x 391mm (17-1/8” x 4-15/16” x 15-3/8”) Weight10.0 kg (22 lbs. 1 oz) Finish G modelGold color/Titanium color/Black color B modelBlack color AccessoriesRemote Control Transmitter x 1 Battery (size AA, R06) x 2 G DIMENSIONS * Specifications
16、 subject to change without notice. B . British model G . European model I VIDEO SECTION Video Signal Type B, G modelsPAL Composite Video Signal Level1Vp-p/75 S-Video Signal Level Y1Vp-p/75 C0.286Vp-p/75 Video Maximum Input Level1.5Vp-p Video Signal to Noise Ratio50dB Monitor Output Frequency Respons
17、e Composite Video Signal5Hz10MHz, 3dB S-Video Signal5Hz10MHz, 3dB Units : mm (inch) Manufactured under license from Dolby Laboratories. Dolby, AC-3, Pro Logic, and the double-D symbol V are trademarks of Dolby Laboratories. 1992-1997 Dolby Laboratories. All rights reserved. Manufactured under licens
18、e 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. 349.5 (133/4) 391 (153/8) 20 (13/16) 21.5 (7/8) 435
19、 (171/8) 16 (5/8) 110 (45/16) 126 (415/16) DSP-E800 DSP-E800 3 I INTERNAL VIEW qMAIN (2) P.C.B. wMAIN (1) P.C.B. eINPUT (1) P.C.B. rINPUT (3) P.C.B. tMAIN (5) P.C.B. yMAIN (4) P.C.B. uDSP P.C.B. iOPERATION (2) P.C.B. I DISASSEMBLY PROCEDURES (Remove parts in disassembly order as numbered.) 1. Remova
20、l of Top Cover a. Remove 4 screws (q) and 4 screws (w) in Fig. 1. 2. Removal of Front Panel a. Remove 6 screws (e) in Fig. 1. 3. Removal of Operation (2) P.C.B. a. Remove the Volume knob. b. Disconnect a flat connecting cable (CB801) in Fig. 1. c. Remove a nut (r) and then remove the Operation (2) P
21、.C.B. in Fig. 1. Fig. 1 qerw tyui Top Cover w w q e Front panel q e r Operation (2) P.C.B. CB801 DSP-E800 DSP-E800 4 4. Removal of Input (3) P.C.B. a. Remove 6 screws (t) and then remove the Input (3) P.C.B. in Fig. 2. 5. Removal of Input (1) P.C.B. a. Remove 6 screws (y) in Fig. 2. b. Disconnect 2
22、flat connecting cables (CB402, CB406) and a connector (CB410) in Fig. 3. c. Remove 3 screws (u) and then remove the Input (1) P.C.B. in Fig. 3. Fig. 3 Fig. 2 Fig. 4 t y t u i Shield Case/Top DSP P.C.B. Input (1) P.C.B. CB402 CB406 Input (3) P.C.B. 6. Removal of DSP P.C.B. a. Remove 2 screws (i) and
23、then remove the Shield Case/Top with the DSP P.C.B. in Fig. 4. Note : 1.When the rear panel has been removed, the ground connection at the input/output pin jack becomes open. Connect it to the chassis by using a lead wire. Input (3) P.C.B. CB410 DSP-E800 DSP-E800 Fig. 5 Fig. 6 !1 o !0 o !2 !2 !3 Fig
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- Yamaha DSPE 800 Service Manual 电路 原理图