JVC-RX5000VBK-avr-sm维修电路原理图.pdf

SERVICE MANUAL AUDIO/VIDEO CONTROL RECEIVER No.20883 Nov. 2000 COPYRIGHT 2000 VICTOR COMPANY OF JAPAN, LTD. RX-5000VBK RX-5001VGD UF US China Singapore Area Suffix Contents Safety precautions - 1-2 Disassembly method - 1-3 Adjustment method - 1-5 Description of major ICs - 1-6 Internal connections for FL display tube - 1-15 4 1 7 4 1 RM-SR558U REMOTE CONTROL TAPE/MD FM/AM VCR DVD SOUND CONTROL SLEEP 8 3215 SURROUNDTESTDELAY 654 EFFECT CENTER + 5 987/P REARL + 5 TVVCRAUDIOCD +1010 REARR + MENU ENT 5 + TV CH TV/VIDEO PHONO CD-DISC + TV VOL. DVD MULTI ONE TOUCH OPERATION VCR CH + MUTING VOLUME POWER RX-5000V AUDIO/VIDEO CONTROL RECEIVER STANDBY PHONES SPEAKERS 12 ADJUSTBASS BOOST SETTING MEMORY DVD MULTI CD DVD PHONO VCR TAPE/MD SOURCE NAME FM SURROUNDMULTI CURSOR INPUT ATT. ONE TOUCH OPERATION AM MASTER VOLUME + OFF_ ON POWER RX-5000VBK RX-5001VGD RadioFans.CN 收音机爱 好者资料库 RX-5000VBK/RX-5001VGD 1-2 Safety Precautions 1. This design of this product contains special hardware and many circuits and components specially for safety purposes. 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 performed 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 characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in the Parts List of Service 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 characteristics 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 re-assembling. 5. Leakage currnet check (Electrical shock hazard testing) After re-assembling the product, always perform an isolation check on the exposed metal parts of the product (antenna 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 , particularly any exposed metal part having a return path to the chassis, to a known good earth ground. Any leakage current 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, 1,000 ohms per volt or more sensitivity in the following manner. Connect a 1,500 10W resistor paralleled by a 0.15 F AC-type capacitor between an exposed metal part and a known good earth ground. Measure the AC voltage across the resistor with the AC voltmeter. Move the resistor connection to eachexposed metal part, particularly any exposed metal part having a return path to the chassis, and meausre 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.). 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. Good earth ground Place this probe on each exposed metal part. AC VOLTMETER (Having 1000 ohms/volts, or more sensitivity) 1500 10W 0.15 F AC TYPE !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 preforming repair of this system. http:/getMANUAL.com RadioFans.CN 收音机爱 好者资料库 RX-5000VBK/RX-5001VGD 1-3 Disassembly method Removing the top cover (See Fig.1) 1. Remove 4 screws A on both sides of the top cover and 3 screws B on the rear side. 2. Lift the back of the top cover spreading both sides to remove. Removing the front panel assembly (See Fig.2,3) 1. Remove the top cover. 2. Remove 4 screws C on the bottom side and 3 screws D on the top side. 3. Disconnect the wire CN811 on the main board. 4. Disconnect the wire CN314 on the audio when in monaural, you will hear monaural sounds. This mode is also useful to suppress static noise between stations. The MUTE AUTO indicator lights up on the display. To tune in a preset station On the front panel: 1. Press FM or AM. The last station of the selected band is tuned in. MULTI CURSOR % / fi / / #?buttons can be now used for operating the tuner. 2. Press MULTI CURSOR % / fi repeatedly until “PRESET+” appears on the display. 3. Press MULTI CURSOR / # to select a preset channel station. Pressing decreases the preset channel number. Pressing # increases the preset channel number. From the remote control: 1. Press FM/AM. The last station is tuned in. Each time you press the button, the band alternates between FM and AM. 2. Press the 10 keys to select a preset channel number. For channel number 5, press 5. For channel number 15, press +10 then 5. For channel number 20, press +10 then 10. For channel number 30, press +10, +10, then 10. Note: When you use the 10 keys on the remote control, be sure that they are activated for the tuner, not for the CD and others. (See page 22.) MULTI CURSOR MULTI CURSOR FM MULTI CURSOR FM AM FM/AM 3215 SURROUNDTESTDELAY 654 EFFECT CENTER + 5 987/P REARL + 5 +1010 REARR + MENU ENT 5 MULTI CURSOR EN08-14.RX-5000 otherwise, the 10 keys cannot be used for operating your target source. Cassette deck After pressing TAPE/MD, you can perform the following operations on a cassette deck: 3:Starts playing. 11111:Fast winds the tape from right to left. :Fast winds the tape from left to right. 7:Stops operations. 8:Pauses playing. To release it, press 3. Note: To operate the cassette deck or MD recorder using the COMPU LINK remote control system, set the source name correctly. (See page 11.) CD player After pressing CD, you can perform the following operations on the CD player: 3:Starts playing. 44444:Returns to the beginning of the current (or previous) track. :Skips to the beginning of the next track. 7:Stops playing. 8:Pauses playing. To release it, press 3. 1 10, +10:Selects a track number directly. For track number 5, press 5. For track number 15, press +10, then 5. For track number 20, press +10, then 10. Tuner After pressing FM/AM, you can perform the following operations: FM/AM:Alternates between FM and AM. 1 10, +10:Selects a preset channel number directly. For channel number 5, press 5. For channel number 15, press +10, then 5. For channel number 20, press +10, then 10. 4? 1 7 4? 1 RM-SR558XU REMOTE CONTROL TAPE/MD FM/AM VCR DVD SOUND CONTROL SLEEP 8 3215 SURROUNDTESTDELAY 654 EFFECT CENTER + 5 987/P REARL + 5 TVVCRAUDIOCD +1010 REARR + MENU ENT 5 + TV CH TV/VIDEO PHONO CD-DISC + TV VOL. DVD MULTI ONE TOUCH OPERATION VCR CH + MUTING VOLUME EN21-26.RX-5000&5001UF/F00.2.25, 4:03 PM22 23 English VCR You can always perform the following operations : VCR:Turns on or off the VCR. VCR CH +/: Changes the channels on the VCR. After pressing VCR, you can perform the following operations on the VCR: 3:Starts playing. 1:Rewinds a tape. :Fast winds a tape. 7:Stops operations. 8:Pauses playing. To release it, press 3. DVD player After pressing DVD or DVD MULTI, you can perform the following operations on a DVD player: 3:Starts playing. 4:Returns to the beginning of the current (or previous) track. :Skips to the beginning of the next track. 7:Stops playing. 8:Stops playing temporarily. To release it, press 3. After pressing DVD or DVD MULTI, these buttons can be used for the DVD menu operations. Note: For detailed menu operations, refer to the instructions supplied with the discs or the DVD player. TV You can always perform the following operations: TV:Turns on or off the TV. TV VOL. /+: Adjusts the volume. TV/VIDEO:Sets the input mode (either TV or VIDEO). TV CH /+:Changes the channels. CD player-changer After pressing CD-DISC, you can perform the following operations on a CD player-changer: 3:Starts playing. 44444:Returns to the beginning of the current (or previous) track. :Skips to the beginning of the next track. 7:Stops playing. 8:Pauses playing. To release it, press 3. 1 6, 7/P:Selects the number of a disc installed in a CD player-changer. After pressing CD, you can perform the following operations on the CD player-changer: 1 10, +10:Selects a track number directly. For track number 5, press 5. For track number 15, press +10, then 5. For track number 20, press +10, then 10. MD recorder After pressing TAPE/MD, you can perform the following operations on the MD recorder: 3:Starts playing. 4:Returns to the beginning of the current (or previous) track. :Skips to the beginning of the next track. 7:Stops playing. 8:Pauses playing. To release it, press 3. Note: To operate the cassette deck or MD recorder using the COMPU LINK remote control system, set the source name correctly. (See page 11.) IMPORTANT: To operate JVCs video components using this remote control: Aim the remote control directly at the remote sensor on the VCR, DVD player or TV, not on the receiver. Some JVC VCRs can accept two types of the control signals remote code “A” and “B.” Before using this remote control, make sure that the remote control code of the VCR connected to the VCR jacks is set to code “A.” 25 TEST 654 EFFECT CENTER + 5 987/P REARL + 5 +1010 REARR + MENU ENT 5 (ENTER) EN21-26.RX-5000&5001UF/F00.2.25, 4:03 PM23 24 English PROBLEM The display does not light up. No sound from speakers. Sound from one speaker only. Continuous hiss or buzzing during FM reception. Occasional cracking noise during FM reception. Howling during record playing. “OVERLOAD” starts flashing on the display. Remote control does not work. SOLUTION Plug the power cord into an AC outlet. Check speaker wiring and reconnect if necessary. Press SPEAKERS 1 and 2 correctly. Select the correct source. Press MUTING to cancel the mute. Check speaker wiring and reconnect if necessary. Adjust the balance properly (see page 9). Connect an outside FM antenna or contact your dealer. Select a new station. Check with your dealer to be sure you have the correct antenna. Check connections. Move the antenna farther from automobile traffic. Move speakers away from the turntable. Rotate the MASTER VOLUME control counterclockwise three or four times, then press STANDBY/ON on the front panel. If “OVERLOAD” does not disappear, unplug the AC power cord, then plug it back again. Press STANDBY/ON on the front panel, then check the speaker wiring. If “OVERLOAD” does not disappear, unplug the AC power cord, then plug it back again. If speaker wiring is not short-circuited, contact your dealer. Remove the obstruction. Replace batteries. POSSIBLE CAUSE The power cord is not plugged in. Speaker signal cables are not connected. The SPEAKERS 1 and 2 buttons are not set correctly. An incorrect source is selected. Muting is activated. Speaker signal cables are not connected properly. The balance is set to one extreme. Incoming signal is too weak. The station is too far away. An incorrect antenna is used. Antennas are not connected properly. Ignition noise from automobiles. Your turntable is too close to speakers. Speakers are overloaded because of high volume. Speakers are overloaded because of short circuit of speaker terminals. There is an obstruction in front of the remote sensor on the receiver. Batteries are weak. Troubleshooting Use this chart to help you solve daily operational problems. If there is any problem you cannot solve, contact your JVC service center. EN21-26.RX-5000&5001UF/F00.2.25, 4:03 PM24 25 English Specifications Amplifier Output Power At Stereo operation: 100 W per channel, min. RMS, both channels driven into 8 at 1 kHz, with no more than 0.9% total harmonic distortion. (IEC268-3/DIN) At Surround operation: Front Channel:70 W per channel, min. RMS, driven into 8 at 1 kHz, with no more than 0.8% total harmonic distortion. Center channel:70 W, min. RMS, driven into 8 at 1 kHz, with no more than 0.8% total harmonic distortion. Rear channel:70 W per channel, min. RMS, driven into 8 at 1 kHz, with no more than 0.8% total harmonic distortion. Total Harmonic Distortion (8 , 1 kHz): 0.8%* at 100 W output (* Measured by JVC Audio Analysis System) Audio Audio Input Sensitivity/Impedance (1 kHz): PHONO (MM):2.7 mV/47 k CD, TAPE/MD, VCR, DVD: 220 mV/47 k Audio Output Level: TAPE/MD, VCR 220 mV Signal-to-Noise Ratio (66 IHF/DIN): PHONO:70 dB/66 dB CD, TAPE/MD, VCR, DVD: 87 dB/67 dB Frequency Response (8 ): PHONO:20 Hz to 20 kHz (1 dB) CD, TAPE/MD, VCR, DVD: 20 Hz to 20 kHz (1 dB) RIAA Phono Equalization:1.0 dB (20 Hz to 20 kHz) Video Video Input Sensitivity/Impedance: VCR, DVD:1V(p-p)/75 Video Output Level: VCR, MONITOR OUT: 1V(p-p)/75 Synchronization:Negative Signal-to-Noise Ratio: 45 dB EN21-26.RX-5000&5001UF/F00.2.25, 4:03 PM25 26 English FM tuner (IHF) Tuning Range:87.50 MHz to 108.00 MHz Usable Sensitivity:Monaural: 12.8 dBf (1.20 V/75 ) 50 dB Quieting Sensitivity: Monaural:21.3 dBf (3.2 V/75 ) Stereo:41.3 dBf (31.5 V/75 ) Signal-to-Noise Ratio (IHF-A weighted): Monaural:78 dB at 85 dBf Stereo:73 dB at 85 dBf Total Harmonic Distortion: Monaural:0.4% at 1 kHz Stereo:0.6% at 1 kHz Stereo Separation at REC OUT: 35 dB at 1 kHz Alternate Channel Selectivity: 45 dB: (400 kHz) Frequency Response:30 Hz to 15 kHz: (+0.5 dB, 3 dB) AM tuner Tuning Range:531 kHz to 1,60