Jvc RXF 10 S Service Manual
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Extracted text from Jvc RXF 10 S Service Manual (Ocr-read)
Page 1
1-2 (No.MB264) SPECIFICATION *1: Corresponding to Linear PCM, Dolby Digital, and DTS (with sampling frequency -32 kHz, 44.1 kHz, 48 kHz). Designs & specifications are subject to change without notice. Amplifier Output Power At stereo op- erationFront channels 100 W per channel, min. RMS, both channels driven into 6 Ω at 40 Hz to 20 kHz with no more than 0.8% total harmonic distortion. At surround operationFront channels 100 W per channel, min. RMS, driven into 6 Ω at 1 kHz with no more than 0.8% total harmonic distortion. Center channel 100 W, min. RMS, driven into 6 Ω at 1 kHz, with no more than 0.8% total harmonic distortion. Surround channels 100 W per channel, min. RMS, driven into 6 Ω at 1 kHz, with no more than 0.8% total harmonic distortion. Surround back channel 100 W, min. RMS, driven into 6 Ω at 1 kHz, with no more than 0.8% total harmonic distortion. Audio Audio Input Sensitivity/Imped- anceDVR/DVD (DVD MULTI), VCR, DBS, TV:330 mV/47 k Ω Audio Input (DIG- ITAL IN)*1Coaxial DIGITAL IN 1(DVR/DVD):0.5 V(p-p)/75 Ω Optical DIGITAL IN 2(DBS), 3(VCR): -21 dBm to -15 dBm (660 nm ±30 nm) Audio Output Level DVR, VCR, MONITOR OUT:330 mV Signal-to-Noise Ratio ('66 IHF/ DIN)80 dB/62 dB Frequency Response (6 Ω) 20 Hz to 20 kHz (±1 dB) Bass Boost +4 dB ±1 dB at 100 Hz Equalization (at DSP operation) Center frequency:63 Hz, 250 Hz, 1 kHz, 4 kHz, 16 kHz Control range:±8 dB Video Video Input Sensitivity/Imped- anceComposite video:DVR/DVD, VCR, DBS 1 V(p-p)/75 Ω S-video:DVR/DVD, VCR, DBS Y (luminance):1 V(p-p)/75 Ω C (chrominance, burst):0.286 V(p-p)/75 Ω Component:DVR/DVD, VCR Y (luminance):1 V(p-p)/75 Ω PB, PR:0.7 V(p-p)/75 Ω Video Output Level/Impedance Composite video:DVR, VCR, MONITOR OUT1 V(p-p)/75 Ω S-video:DVR, VCR, MONITOR OUT Y (luminance):1 V(p-p)/75 Ω C (chrominance, burst):0.286 V(p-p)/75 Ω Component:MONITOR OUT Y (luminance):1 V(p-p)/75 Ω PB, PR:0.7 V(p-p)/75 Ω Synchronization Negative FM tuner (IHF) Tuning Range 87.5 MHz to 108.0 MHz Usable Sensitivity Monaura:12.8 dBf (1.2 µV/75 Ω) 50 dB Quieting Sensitivity Monaural:16.0 dBf (1.7 µV/75 Ω) Stereo:37.5 dBf (20.5 µV/75 Ω) Stereo Separation at REC OUT 35 dB at 1 kHz AM tuner Tuning Range 530 kHz to 1 710 kHz General Power Requirements AC 120 V , 60 Hz Power Consumption 120 W/160 VA (at operation) 2 W (in standby mode) Dimensions (W × H × D) 435 mm × 70 mm × 329.5 mm (17 3/16 inches × 2 13/16 inches × 13 inches) Mass 6.3 kg (13.9 lbs)
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(No.MB264)1-3 SECTION 1 PRECAUTION 1.1 Safety Precautions (1) This design of this product contains special hardware and many circuits and components specially for safety purpos- es. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits. Services should be per- formed by qualified personnel only. (2) Alterations of the design or circuitry of the product should not be made. Any design alterations of the product should not be made. Any design alterations or additions will void the manufacturers warranty and will further relieve the manufacture of responsibility for personal injury or property damage resulting therefrom. (3) Many electrical and mechanical parts in the products have special safety-related characteristics. These characteris- tics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by us- ing replacement components rated for higher voltage, watt- age, etc. Replacement parts which have these special safety characteristics are identified in the Parts List of Ser- vice Manual. Electrical components having such features are identified by shading on the schematics and by ( ) on the Parts List in the Service Manual. The use of a substitute replacement which does not have the same safety charac- teristics as the recommended replacement parts shown in the Parts List of Service Manual may create shock, fire, or other hazards. (4) The leads in the products are routed and dressed with ties, clamps, tubings, barriers and the like to be separated from live parts, high temperature parts, moving parts and/or sharp edges for the prevention of electric shock and fire hazard. When service is required, the original lead routing and dress should be observed, and it should be confirmed that they have been returned to normal, after reassem- bling. (5) Leakage shock hazard testing After reassembling the product, always perform an isola- tion check on the exposed metal parts of the product (an- tenna terminals, knobs, metal cabinet, screw heads, headphone jack, control shafts, etc.) to be sure the product is safe to operate without danger of electrical shock.Do not use a line isolation transformer during this check. - Plug the AC line cord directly into the AC outlet. Using a "Leakage Current Tester", measure the leakage current from each exposed metal parts of the cabinet, particular- ly any exposed metal part having a return path to the chassis, to a known good earth ground. Any leakage cur- rent must not exceed 0.5mA AC (r.m.s.). - Alternate check method Plug the AC line cord directly into the AC outlet. Use an AC voltmeter having, 1,000Ω per volt or more sensitivity in the following manner. Connect a 1,500Ω 10W resistor paralleled by a 0.15µF AC-type capacitor between an ex- posed metal part and a known good earth ground. Measure the AC voltage across the resistor with the ACvoltmeter. Move the resistor connection to each exposed metal part, particularly any exposed metal part having a return path to the chassis, and measure the AC voltage across the resistor. Now, reverse the plug in the AC outlet and repeat each measurement. Voltage measured any must not exceed 0.75 V AC (r.m.s.). This corresponds to 0.5 mA AC (r.m.s.). 1.2 Warning (1) This equipment has been designed and manufactured to meet international safety standards. (2) It is the legal responsibility of the repairer to ensure that these safety standards are maintained. (3) Repairs must be made in accordance with the relevant safety standards. (4) It is essential that safety critical components are replaced by approved parts. (5) If mains voltage selector is provided, check setting for local voltage. 1.3 Caution Burrs formed during molding may be left over on some parts of the chassis. Therefore, pay attention to such burrs in the case of pre- forming repair of this system. 1.4 Critical parts for safety In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the " " mark nearby are critical for safety. When replacing them, be sure to use the parts of the same type and rating as specified by the manufacturer. (This regulation dose not Except the J and C version) Good earth groundPlace this probe on each exposed metal part. AC VOLTMETER (Having 1000 ohms/volts, or more sensitivity) 1500 10W 0.15 F AC TYPE