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    JVC-RX6032VSL-avr-sm维修电路原理图.pdf

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    JVC-RX6032VSL-avr-sm维修电路原理图.pdf

    SERVICE MANUAL COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD. No.22012 2003/03 RX-6032VSL AUDIO/VIDEO CONTROL RECEIVER 22012200303 RX-6032VSL TABLE OF CONTENTS 1Important Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 2Disassembly method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 3Adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12 4Description of major ICs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13 TA/NEWS/INFO DISPLAY MODEDIGITAL AUTOSPKONE TOUCH OPERATIONBASS BOOST PRO LOGIC DSPH.PHONEAUTO MUTINGTUNEDSTEREOTA NEWS INFOVOLUME INPUT ATTEON RDSSLEEP CH 1 2 ANALOGL LINEAR PCM DIGITAL CR S.WFR LFE LSRSS STANDBY STANDBY/ON PHONES D I G I T A L P R O L O G I C SURROUND DSP DVD MULTI SPEAKERS ON/OFF SUBWOOFER OUTFM MODEMEMORY ON/OFF FM/AM TUNING DVDVCRCDFMAMTAPE/CDRTV SOUND SURROUND/DSP OFF DIMMER INPUT DIGITAL RX6030VAUDIO/VIDEO CONTROL RECEIVER SETTING MULTI JOG SET ADJUST EXIT INPUT ANALOG MASTER VOLUME INPUT ATT FM/AM RESET SOURCE NAME Area suffix C - Canada RadioFans.CN 收音机爱 好者资料库 RX-6032VSL 1-2 (No.22012) SECTION 1 Important Safety Precautions 1.1 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 man- ufacturer. 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 Service Manu- al. Electrical components having such features are iden- tified by shading on the schematics and by () on the Parts List in the Service Manual. The use of a substitute re- placement which does not have the same safety character- istics as the recommended replacement parts shown in the Parts List of Service Manual may create shock, fire, or oth- er 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 reassembling. (5) Leakage shock hazard testing) After reassembling 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, 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, 1,000 ohms per volt or more sensitivity in the following manner. Connect a 1,500 ohm 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 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. (Except the JC version) RadioFans.CN 收音机爱 好者资料库 RX-6032VSL (No.22012)1-3 1.5 Importance administering point on the safety Caution: For continued protection against risk of fire, replace only with same type 6.3A/125V for F201, 2A/125V for F202 and F203. This symbol specifies type of fast operating fuse. Precaution: Pour eviter risques de feux, remplacez le fusible de surete de F201 comme le meme type que 6.3A/125V, et 2A/125V pour F202 et F203. Ce sont des fusibles suretes qui functionnes rapide. Secondary parts Primary part CN251 D205 FC221 FC222 FC231 FC232 R201 RY201 110 111112113 114120 121 122 130131 B192 B191 B160 B159 2A-125V 2A-125V F 203 F 202 FC211 FC212 6.3A-125V B104 PW103 PW101 B103 B102 B101 B106 B105 PW102 PW105 B108 B107 PW104 B109 B110 TA201 TA202 R1 EP1 RX-6032VSL 1-4 (No.22012) SECTION 2 Disassembly method 2.1 Removing the top cover (See Fig.1) (1) From the right and left sides of the main body, remove the four screws A attaching the top cover. (2) From the back side of the main body, remove the three screws B attaching the top cover. (3) Remove the top cover in the direction of the arrow 2 while extending the lower sections of the top cover in the direc- tion of the arrow 1. Fig.1 2.2 Removing the front panel assembly (See Figs.2 and 3) Prior to performing the following procedure, remove the top cover. (1) Disconnect the card wire from the connector CN402 on the audio board. (See Fig.2) (2) Disconnect the card wire from the connector CN201 on the power supply board. (See Fig.2) (3) Remove the tie band and wire protection board fixing the card wire. (See Fig.2) (4) Remove the three screws C attaching the front panel as- sembly. (See Fig.2) (5) From the bottom side of the main body, remove the four screws D attaching the front panel assembly. (See Fig.3) (6) Remove the front panel assembly in the direction of the ar- row. (See Fig.3) Fig.2 Fig.3 B A A 2 1 1 Top cover CCC Front panel assembly Card wire CN201 Power supply board Tie band Wire protection board Card wire CN402 Audio board DD Front panel assembly RX-6032VSL (No.22012)1-5 2.3 Removing the rear panel (See Fig.4) Prior to performing the following procedure, remove the top cover. (1) From the back side of the main body, remove the strain re- lief from the rear panel in the direction of the arrow. (2) Remove the twenty-five screws E and four screws F at- taching the rear panel. Fig.4 2.4 Removing the component board (See Figs.5 and 6) Prior to performing the following procedure, remove the top cover. (1) From the top side of the main body, disconnect the parallel wire from the connector CN511 on the S Video board. (See Fig.5) (2) From the back side of the main body, remove the four screws G attaching the component board. (See Fig.6) Fig.5 Fig.6 E E F E EFF F Strain relief Rear panel CN511 S Video board Parallel wire Component board G RX-6032VSL 1-6 (No.22012) 2.5 Removing the DSP board, audio input board, DVD board and video board (See Fig.7) Prior to performing the following procedure, remove the top cover and rear panel. (1) From the top side of the main body, disconnect the DSP board from the connector CN481 on the audio board. (2) Disconnect the audio input board from the connector CN421 on the audio board. (3) Disconnect the DVD board from the connector CN431 on the audio board. (4) Disconnect the video board from the connector CN441 on the audio board. Fig.7 2.6 Removing the S Video board and tuner board (See Fig.8) Prior to performing the following procedure, remove the top cover and rear panel. (1) From the top side of the main body, disconnect the parallel wire from the connector CN511 on the S Video board. (2) Disconnect the S Video board from the connector CN461 on the audio board. (3) Remove the tie band fixing the parallel wires, disconnect the tuner board from the connector CN411 on the audio board. Fig.8 CN481 Audio board DVD board Video board CN421 Audio input board DSP board CN431 CN441 S Video board Tuner board CN411 Tie band Parallel wires CN511 Parallel wire Audio board CN461 RX-6032VSL (No.22012)1-7 2.7 Removing the audio board (See Fig.9) Prior to performing the following procedure, remove the top cover, rear panel, component video board, DSP board, audio input board, DVD board, video board, S Video board and tuner board. (1) From the top side of the main body, disconnect the card wire from the connector CN402 on the audio board. (2) Disconnect the relay board from the connectors (CN291, CN491) on the power supply board and audio board. (3) Disconnect the wires from the connectors CN471, CN472 and CN473 on the audio board. (4) Remove the three screws H attaching the audio board. (5) Loosen the screw J attaching the audio board. Fig.9 2.8 Removing the speaker terminal board (See Fig.10) Prior to performing the following procedure, remove the top cover and rear panel. (1) From the top side of the main body, remove the solders from the soldered sections a on the speaker terminal board. Fig.10 CN491 CN402 Audio board Relay board Power supply board H J CN473 CN471 CN472 CN291 Card wire H Soldered sections a Parallel wires Speaker terminal board RX-6032VSL 1-8 (No.22012) 2.9 Removing the main board (See Fig.11) Prior to performing the following procedure, remove the top cover. (1) From the top side of the main body, remove the tie bands fixing the wires. (2) Remove the tie band and wire protection board fixing the card wire. (3) Remove the solders from the soldered section b on the speaker terminal board attaching the parallel wires. (4) Disconnect the relay board from the connectors (CN291, CN491) on the power supply board and audio board. (5) Disconnect the parallel wire from the connector CN241 on the power supply board. (6) Disconnect the wire from the connector CN251 on the pow- er transformer board 1. (7) Disconnect the wires from the connectors CN471, CN472 and CN473 on the audio board. (8) Remove the screw J, two screws K and four screws L at- taching the main board. (9) Take out the main board. Fig.11 2.10 Removing the heat sink (See Figs.12 and 13) Prior to performing the following procedure, remove the top cover and main board. (1) Remove the ten screws M attaching the heat sink. (See Fig.12) (2) From the reverse side of the main board, remove the two screws N attaching the heat sink. (See Fig.13) Fig.12 Fig.13 L Tie bands Tie band Wire protection board CN241 CN251 CN291 Power transformer Power transformer board 1 L J K L CN473 CN471 CN472 CN491 Parallel wires Power supply board Speaker terminal board Soldered section b Audio board Card wire Main board Tie band Relay board M M Heat sink Main board Heat sink Main board NN RX-6032VSL (No.22012)1-9 2.11 Removing the center amp. board, front amp. boards (L/R) and rear amp. boards (L/R) (See Figs.12 and 14) Prior to performing the following procedure, remove the top cover and main board. (1) Remove the ten screws M attaching the heat sink. (See Fig.12) (2) Disconnect the center amp. board from the connector CN321 on the main board. (See Fig.14) (3) Disconnect the front amp. board (L) from the connector CN311 on the main board. (See Fig.14) (4) Disconnect the front amp. board (R) from the connector CN312 on the main board. (See Fig.14) (5) Disconnect the rear amp. board (L) from the connector CN331 on the main board. (See Fig.14) (6) Disconnect the rear amp. board (R) from the connector CN332 on the main board. (See Fig.14) Fig.14 2.12 Removing the power transformer (See Fig.15) Prior to performing the following procedure, remove the top cover. (1) From the top side of the main body, remove the tie bands fixing the wires. (2) Remove the solders from the soldered section c on the power transformer board 1. (3) Remove the solders from the soldered sections d on the power transformer board 2. (4) Disconnect the wire from the connector CN251 on the pow- er transformer board 1. (5) Remove the four screws P attaching the power transformer. 2.13 Removing the power/fuse board (See Fig.15) Prior to performing the following procedure, remove the top cover. (1) From the back and top sides of the main body, remove the screw Q and screw R attaching the power/fuse board. (2) Remove the solders from the soldered sections e attaching the power cord. (3) From the reverse side of the power/fuse board, remove the solders from the soldered sections f attaching the wires. Fig.15 Rear amp. board (R) Front amp. board (R) Center amp. board Rear amp. board (L)Front amp. board (L) CN332CN331 CN312CN311CN321Main board CN251 Soldered section c Soldered sections d Soldered sections e Soldered sections f Tie band Tie band Power transformer Power transformer board 2 Power cord P P R Q P P Power transformer board 1 Power/ Fuse board RX-6032VSL 1-10 (No.22012) 2.14 Removing the power supply board (See Fig.16) Prior to performing the following procedure, remove the top cover. (1) From the top side of the main body, disconnect the parallel wires from the connectors CN203 and CN241 on the power supply board. (2) Disconnect the card wire from the connector CN201 on the power supply board. (3) Disconnect the relay board from the connector CN291 on the power supply

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