Rotel-RB991-pwr-sm维修电路原理图.pdf
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1、T echnical Manual STEREO POWER AMPLIFIER RB-991 Table of Contents Specification Specification.1 Wiring Diagram.2 Parts List.3,4 Adjustment.4 PCB Assembly.5,6 Schematic Diagram.7,8 Continuous Power Output(20-20 kHz, 0.03%, 8 ohms) 200 watts/ch. (20-20 kHz, 0.05%, 4 ohms) 300 watts/ch. Total Harmonic
2、Distortion(20 Hz-20 kHz, 8 ohms) 0.03% Intermodulation Distortion(60 Hz: 7 kHz, 4:1) 0.03% Frequency Response 10-100,000 Hz, 1 dB Damping Factor(20-20,000 Hz, 8 ohms) 500 Speaker Impedance 4-16 ohms Signal to Noise Ratio(IHF A network) 120 dB Input Impedance/Sensitivity(RCA Inputs) 33 k Ohms/1.0 vol
3、t (XLR Inputs) 33k Ohms/1.0 volt Power Requirements 115 Volts, 60 Hz or 230 Volts, 50 Hz Power Consumption 550 Watts Dimensions (W, H, D) 440 x 127 x 385 mm 17.38 x 4.76 x 15.16” Weight (net) 16.7 kg., 36.74 lb. BUNZAN-SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU, TOKYO 150-0045, JAPAN Serial. NO.
4、Begining Wiring Diagram Quality Uncompromised Y-310A-98061M/S-S 2 RadioFans.CN 收音机爱 好者资料库 SYMBOL PARTS NO.DESCRIPTIONSYMBOL PARTS NO.DESCRIPTION Parts List SYMBOL PARTS NO.DESCRIPTIONSYMBOL PARTS NO.DESCRIPTION Parts List 43 E E E C C C B B B 1 2 3 4 5 6 7 8 2SAS1016K 2SC2362K 2SC2910 2SA1208 2SB631
5、K 2SD600K 2SD1953 2SA1142 2SC2682 AD711JN 2SA1492 2SC3856 Instruments : DC millivoltmeter Notes : Prior to Bias Adjustment, run about 5minutes with rated output(8ohms) and warm up Power Transistor and Heat Sink. Set input off. Step Coupling Plus Lead TP 3 TP 4 TP 1 TP 2 X-1177-01 PCB X-1177-02 PCB V
6、R601 VR602 1 2 Minus Lead LocationAdjustAdjust for DC millivoltmeter reads 7mV Adjustment X-1177-01,02 PCB ASSEMBLY C601,602 041 50BGF4R7M CAP,ELEC.50V4.7UF C603,604 044 TFKP2-100V681H CAP,FILM 100V680PF C607,608 041 25BGF100M CAP,ELEC.25V100UF C609,610 044 LFSC160V331H CAP,STYROL 160V330PF C611,612
7、 041 50BGF10M CAP,ELEC.50V10UF C613-616 044 LFSC160V561H CAP,STYROL 160V560PF C623-626 041 UVX2A102MRAY CAP,ELEC.100V1000UF C627,628 044 LFSC160V471H CAP,STYROL 160V470PF D601-608 034 LT1N4148-86 DIODE D609-612 034 LT1N4003-TB DIODE FU601-604 036 5ST6.3 MINI FUSE 250V6.3A Q601-606 033 LT2SC2362KAA-F
8、G TRANSISTOR Q607-612 033 LT2SA1016KAA-FG TRANSISTOR Q613,614 033 2SA1142-EPQ TRANSISTOR Q615,616 033 2SC2682-EPQ TRANSISTOR Q619,620 033 LT2SC2910AE-RST TRANSISTOR Q621,622 033 LT2SA1208AE-RST TRANSISTOR R601,602 054 LEE10-102 R,METAL 1K R603,604 054 LEE10-333 R,METAL 33K R605,606 054 LEE10-471 R,M
9、ETAL 470R R607-610 054 LTMK201K5FECZ R,METAL 1% 1.5K R611,612 054 LTMK2220RFECZ R,METAL 1% 220R R613,614 054 LTMF1/4-5600F R,MRS25 560R R615-618 054 LTMK201K5FECZ R,METAL 1% 1.5K R619,620 054 LTMK2220RFECZ R,METAL 1% 220R R621,622 054 LTMK2047KFECZ R,METAL 1% 47K R623,624 054 LTMK2100RFECZ R,METAL 1
10、% 100R R625,626 054 LTMF1/4-6801F R,MRS25 6.8K R627,628 054 LTMF1/4-3901F R,MRS25 3.9K R629,630 054 LTMK2100RFECZ R,METAL 1% 100R R631,632 054 LTMK2001KFECZ R,METAL 1% 1K R633,634 054 LTMK2047RFECZ R,METAL 1% 47R R635-654 054 MPC78-0.22F R,PLATE 2W 0.22R R657,658 054 LTMK2022KFECZ R,METAL 1% 22K R65
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