JVC UX-G5 Service Manual Download | Manualshive

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1-18 (No.MB431)

SECTION 5

TROUBLESHOOTING

This service manual does not describe TROUBLESHOOTING.

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Summary of Contents for UX-G5

Page 1: ...solder used in the board material Sn Ag Cu melting point 219 Centigrade TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 4 3 DISASSEMBLY 1 5 4 ADJUSTMENT 1 15 5 TROUBLESHOOTING 1 18 CA UXG5 SP UXG5 SP UXG5 Area suffix A Australia US Singapore UP Korea UT Taiwan UW Brazil Mexico Peru UY Argentina UJ U S Military ...

Page 2: ...c range 85 dB Signal to noise ratio 85 dB Wow and flutter Immeasurable Cassette deck section Frequency response Normal type l 60 Hz 14 000 Hz Wow and flutter 0 15 WRMS General Power requirement AC 110 V 127 V 220 V 240 V adjustable with the voltage selector 50 Hz 60 Hz Power consumption 90 W at operation 0 8 W on standby Dimensions approx 175 mm 232 mm 412 mm W H D Mass approx 6 6 kg Speakers Type...

Page 3: ...ack 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...

Page 4: ...1 4 No MB431 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Page 5: ...ing the AMP TR See Fig 2 Prior to performing the following procedure remove the right plate left plate top cover 1 Remove the four screws A from the heat sink between AMP TR four 2 Remove the solder fixing the AMP TR 3 1 3 Replacing the THMS RES See Fig 2 Prior to performing the following procedure remove right plate left plate top cover 1 Remove the one screw B from heat sink 2 Remove the solder ...

Page 6: ... cover from rear plate Fig 4 3 1 6 Removing the Right plate See Fig 5 1 Remove the two screws F 2 Take off right plate from main body Fig 5 3 1 7 Removing the Left plate See Fig 6 1 Remove the two screws G 2 Take off left plate from main body Fig 6 SPEAKERS IMPEDANCE 6 16 E E Transformer cover E E F Right plate G Left plate ...

Page 7: ...1 See Fig 7 8 2 Disengage the claws H2 on both side of the front cabinet See Fig 7 8 3 Rotate top cover and let s away from main body See Fig 9 Caution When you rotate top cover must to slow raise Don t to destroy the two claws of front cabinet Fig 7 Fig 8 Fig 9 H1 Top cover H2 H1 H2 ...

Page 8: ...connector CN661 on main board See Fig 10 3 Disconnect the FFC cable J3 from the connector CN402 on main board See Fig 11 4 Disconnect the FFC cable J4 from the connector CN681 on main board See Fig 12 5 Remove main board from AMP board after disconnect the connector J319 and CN601 See Fig 13 Fig 10 Fig 11 Fig 12 Fig 13 J1 J1 J2 J3 J4 J5 ...

Page 9: ...er and power board See Fig 14 2 Remove the two screws K1 from rear plate and power board See Fig 14 1 3 Disconnect the wire K2 from the connector CN102 on the AMP board See Fig 15 4 Disconnect the two wire K3 from the connector CN901 and CN902 See Fig 16 Fig 14 Fig 14 1 Fig 15 Fig 16 Power board K1 k1 K2 K3 ...

Page 10: ...ottom plate See Fig 17 2 Disconnect the wire I2 from the connector CN105 on the AMP board See Fig 18 Fig 17 Fig 18 3 1 12 Removing the fan See Fig 19 1 Removing the four screws M2 3 1 13 Removing the Tuner pack See Fig 19 1 Removing the two screws M1 Fig 19 I1 Rear plate assembly I2 M1 M2 M2 Fan M2 M2 M1 Tuner pack ...

Page 11: ...1 from connector of the cassette ma chine See Fig 20 2 Disconnect the wire E2 from connector of the cassette ma chine See Fig 21 3 Remove the four screws E3 from top cover See Fig 22 4 Take out cassette machine Fig 20 Fig 21 Fig 22 TOP COVER E1 E2 TOP COVER CASSETTE MECHA E3 E3 E3 E3 TOP COVER CASSETTE MECHA ...

Page 12: ...binet and the key board Fig 23 3 1 16 Removing the AUX board See Fig 24 1 Remove the two screws Q from the front cabinet and the aux board 3 1 17 Removing the phones board See Fig 24 1 Remove the two screws R from the front cabinet and the phones board Fig 24 Key board P P P Aux board Phones board Q R ...

Page 13: ... No MB431 1 13 3 1 18 Removing the CD MECH COVER See Fig 25 26 1 Remove the four screws S Fig 25 Fig 26 CD Mech Cover S S ...

Page 14: ...move the two screws T from the CD MECH F and CD MECHANISM assembly See Fig 27 2 Remove the two screws T from the CD MECH B and CD MECHANISM assembly See Fig 28 3 Take out CD MECHANISM assembly from the CD MECH F between the CD MECH B Fig 27 Fig 28 CD MECH Assembly T T T ...

Page 15: ...Frequency counter meter 4 2 Test tape Playback tape VT712 tape speed wow flutter VT724 reference level VT703L head azimuth VT738 frequency responce Recording tape AC225 type I Power supply voltage AC220V 240V 50Hz 4 3 Measuring instruments Radio section FM 1 kHz 22 5kHz deviation FM stereo 1 kHz 67 5 kHz deviation pilot signal 7 5 kHz AM 1 kHz 30 modulation Reference output 0 dB 1 V 4 Ω Headphone ...

Page 16: ... function and with TAPE to record Check to see if the frequency at the measuring point R335 or R336 is 60 kHz 1 kHz if not adjust T360 until the frequency counter indicates 60 kHz 1 kHz At TUNER set the BAND to the FM position and record the reference 1 kHz signal and 8 kHz signal altemately repeatedly While playing back the recorded signal differ from that of the 1 kHz signal by within 0 3 to 6 d...

Page 17: ...431 1 17 4 8 Location of adjusting parts Cassette mechanism section CASSETTE MOTOR Tape speed adj Main board assembly BIAS FREQUENCY T201 AM OSC T360 AM RF AM RF AM IF AM VT R245 TC201 T203 T204 114 kHz T202 ...

Page 18: ...1 18 No MB431 SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING ...

Page 19: ... No MB431 1 19 ...

Page 20: ... No MB431 AV MULTIMEDIA COMPANY AUDIO VIDEO SYSTEMS CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan Victor Company of Japan Limited VPT Printed in Japan ...

Page 21: ...D ROM No SML200508 MICRO COMPONENT SYSTEM No MB431SCH 2005 8 COPYRIGHT 2005 Victor Company of Japan Limited Lead free solder used in the board material Sn Ag Cu melting point 219 Centigrade CA UXG5 SP UXG5 SP UXG5 Area suffix A Australia US Singapore UP Korea UT Taiwan UW Brazil Mexico Peru UY Argentina UJ U S Military ...

Page 22: ...ponent 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 ...

Page 23: ...N VOLTAGE SUPPLY AC selector AC IN 220 240 110 127 DRAM FOR MP3 K4S161622H TRACKING COIL FOCUS COIL SPINDLE MOTOR FEED MOTOR FOP TRVP SPOUT AMP SIL9226 DRAM BR93L56RF CD CONTROL MICON MN101C61G FWD REV A B C D LOADER ASS Y ST LED TUNER L TUNER R GND CEI DATA IN DATA OUT D GND RDS CLK RDS DATA VOLTAGE SUPPLY L R CH BA455B AHB PRO CONTROL FUNC IC VOLUME FUNCTION SW SYSTEM MICON DISPLAY O P PREMARY F...

Page 24: ...2 2 Standard schematic diagrams Main section ...

Page 25: ...2 3 Parts are safety assurance parts When replacing those parts make sure to use the specified one Amp section ...

Page 26: ...2 4 CD section ...

Page 27: ...2 5 Parts are safety assurance parts When replacing those parts make sure to use the specified one FL Primary section ...

Page 28: ...2 6 Printed circuit boards Main board forward side Lead free solder used in the board material Sn Ag Cu melting point 219 Centigrade ...

Page 29: ...2 7 Main board reverse side Lead free solder used in the board material Sn Ag Cu melting point 219 Centigrade ...

Page 30: ...2 8 Amp board Lead free solder used in the board material Sn Ag Cu melting point 219 Centigrade forward side reverse side ...

Page 31: ...2 9 forward side reverse side CD board Lead free solder used in the board material Sn Ag Cu melting point 219 Centigrade ...

Page 32: ...2 10 Front board Lead free solder used in the board material Sn Ag Cu melting point 219 Centigrade forward side reverse side ...

Page 33: ...2 11 Trans board Lead free solder used in the board material Sn Ag Cu melting point 219 Centigrade ...

Page 34: ...Victor Company of Japan Limited No MB431SCH Printed in Japan VPT AV MULTIMEDIA COMPANY AUDIO VIDEO SYSTEMS CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan ...

Page 35: ... general assembly and parts list Block No M1 CD mechanism assembly and parts list Block No MB Electrical parts list Block No 01 06 Packing materials and accessories parts list Block No M3 UX G5 3 2 3 5 3 7 3 14 A Australia US Singapore UP Korea UT Taiwan UW Brazil Mexico Peru UY Argentina UJ U S Military Area suffix MB431 ...

Page 36: ... 4 3 2 12 11 11 11 13 2 2 54 68 68 68 55 56 23 67 66 58 58 65 64 64 2 2 64 2 2 61 60 59 57 17 16 63 62 16 18 19 21 2 2 2 2 2 2 2 24 20 20 25 71 72 F901 F902 23 23 37 28 28 23 28 23 23 23 38 47 A Dusb board CD board Dhp board Front board 53 Power trans board Block No M M M 1 B B ...

Page 37: ...3 70 55 56 23 23 23 12 52 54 56 54 23 36 7 27 34 35 28 32 33 28 31 29 28 28 28 28 23 23 23 39 28 38 30 47 42 41 43 44 44 45 45 45 45 44 44 50 20 20 23 44 44 46 44 44 49 49 51 A Amp board Main board 53 M B ...

Page 38: ...OCK LEVER 34 BI300924010101 DAMPER 35 BI202905010101 CASSETTE SPRING 36 BI2029350101W1 HEATSINK BKT B 37 BI2029340101W1 HEATSINK BKT F 38 BI202903010201 HEATSINK 39 BI2029330101X2 HEAT RESISTOR BKT 41 BT2400241V DC FAN DC12V 42 BIZ25094901VV TUNER PACK 43 BI2028950202X2 REAR PLATE 44 BIRM000603S3 SCREW 3 X L6 S TYPE x12 45 BIRT000617B3 SCREW 3 X L10 B TYPE x10 46 BI1080790101V1 TRANS COVER 47 BI20...

Page 39: ...3 5 CD mechanism assembly and parts list Block No M M M B The parts without symbol number are not service 1 8 11 3 9 4 5 2 7 10 6 10 14 12 13 ...

Page 40: ...0601G GEAR COVER 3 BIAJ6600601D GEAR A 4 BIAJ6600601B GEAR B 5 BIAJ6600601F GEAR C 6 BIAJ7000601A SHAFT 7 BISOHAAN PICK UP 8 BIAJ3100601B SPINDLE MOTOR 9 BIAJ3100601A FEED MOTOR 10 BIAJ6000601D SCREW M2XL3 x4 11 BI3409000174 LEAF SWITCH 12 BIAJ4100601E SUB PCB 13 BIAJ3700601A CONNECTOR 14 BIAJ7500601K TURN TABLE ...

Page 41: ...50V C405 BICC101500JA04 C CAPACITOR 100pF 50V C406 BICC104500ZA04 C CAPACITOR 0 1uF 50V C407 BICC104500ZA04 C CAPACITOR 0 1uF 50V C408 BICE226160MP01 E CAPACITOR 22uF 16V C409 BICC104500ZA04 C CAPACITOR 0 1uF 50V C411 BICC220500JA04 C CAPACITOR 22pF 50V C412 BICC220500JA04 C CAPACITOR 22pF 50V C413 BICE477063MP01 E CAPACITOR 470uF 6 3V C414 BICE477063MP01 E CAPACITOR 470uF 6 3V C415 BICE107100MP01...

Page 42: ...OR 100Ω 1 8W Symbol No Part No Part Name Description Local R449 BIRC1010105A00 C RESISTOR 100Ω 1 10W R451 BIRC1030105A00 C RESISTOR 10KΩ 1 10W R452 BIRC2220105A00 C RESISTOR 2 2KΩ 1 10W R454 BIRC1010085M00 C RESISTOR 100Ω 1 8W J R455 BIRC1010085M00 C RESISTOR 100Ω 1 8W J R456 BIRC1010085M00 C RESISTOR 100Ω 1 8W J R457 BIRC1010085M00 C RESISTOR 100Ω 1 8W J R458 BIRC1010085M00 C RESISTOR 100Ω 1 8W J...

Page 43: ...V7 D592 1SS133 FR DIODE BI31SS133M000V7 C351 BICC103500KA04 C CAPACITOR 0 01uF 50V C353 BICC102500KA04 C CAPACITOR 1000pF 50V C354 BICE107100MP11 E CAPACITOR 100uF 10V C355 BICE107100MP11 E CAPACITOR 100uF 10V C356 BICC103500KA04 C CAPACITOR 0 01uF 50V C357 BICC103500KA04 C CAPACITOR 0 01uF 50V C358 BICC102500KA04 C CAPACITOR 1000pF 50V C359 BICC103500KA04 C CAPACITOR 0 01uF 50V C360 BICC103500KA0...

Page 44: ...STOR BI2KTC3198GP000 Q131 2SC3052 TRANSISTOR BI2SC3052FA013H Q132 KTA1273Y TRANSISTOR BI2KTA1273YP000 Q133 KTA1273Y TRANSISTOR BI2KTA1273YP000 Q134 2SC3052 TRANSISTOR BI2SC3052FA013H Q151 2SC3052 TRANSISTOR BI2SC3052FA013H Q153 2SC3052 TRANSISTOR BI2SC3052FA013H Q154 2SC3052 TRANSISTOR BI2SC3052FA013H Q155 2SC3052 TRANSISTOR BI2SC3052FA013H Q157 2SC3052 TRANSISTOR BI2SC3052FA013H Q171 2SC3052 TRAN...

Page 45: ... 47KΩ 1 10W Symbol No Part No Part Name Description Local R134 BIRC2240105A00 C RESISTOR 220KΩ 1 10W R135 BIRC4730105A00 C RESISTOR 47KΩ 1 10W R136 BIRC5600105A00 C RESISTOR 56Ω 1 10W R137 BIRC1030105A00 C RESISTOR 10KΩ 1 10W R139 BIRC1030105A00 C RESISTOR 10KΩ 1 10W R140 BIRC5600045M00 C RESISTOR 56Ω 1 4W R141 BIRC1510045M00 C RESISTOR 150Ω 1 4W R142 BIRC5620105A00 C RESISTOR 5 6KΩ 1 10W R143 BIR...

Page 46: ... BICC104250KA04 C CAPACITOR 0 1uF 25V C717 BICC104250KA04 C CAPACITOR 0 1uF 25V C718 BICC102500JA04 C CAPACITOR 1000pF 50V C719 BICC104250KA04 C CAPACITOR 0 1uF 25V C720 BICC333250KA04 C CAPACITOR 0 033uF 25V C721 BICC474100KA04 C CAPACITOR 0 47uF 10V C722 BICC474100KA04 C CAPACITOR 0 47uF 10V C723 BICC332500KA04 C CAPACITOR 3300pF 50V C724 BICC103250KA04 C CAPACITOR 0 01uF 25V C725 BICC683160KA04...

Page 47: ...RC1020085M00 C RESISTOR 1KΩ 1 8W J R847 BIRC1020085M00 C RESISTOR 1KΩ 1 8W J R848 BIRC1020085M00 C RESISTOR 1KΩ 1 8W J R849 BIRC1020085M00 C RESISTOR 1KΩ 1 8W J R850 BIRC1020085M00 C RESISTOR 1KΩ 1 8W J R851 BIRC1020085M00 C RESISTOR 1KΩ 1 8W J R852 BIRC1020085M00 C RESISTOR 1KΩ 1 8W J R853 BIRC1020085M00 C RESISTOR 1KΩ 1 8W J R854 BIRC1020085M00 C RESISTOR 1KΩ 1 8W J R871 BIRC1020105A00 C RESISTO...

Page 48: ...3 14 Packing materials and accessories parts list P6 P9 P10 P8 P2 P7 P1 A7 A1A2 A UP version A3 Block No M M M 3 No additional supplemental order of WARRANTY CARDs are available P5 P4 A8 A4 A5 A6 P3 ...

Page 49: ...1349 004A UW A 1 BI440001566000W INST BOOK SPA LVT1349 005A UY A 2 WARRANTY CARD BT 56012 1 A A 2 WARRANTY CARD BT 56013 1 UP A 3 BI23A0094V PLUG CONVERSION JT 0476 A 4 BATTERY x2 A 5 BIAN01281V AM LOOP ANT A 6 BIAN01022V FM ANT WIRE A 7 BI643UXG5080 REMOTE CONTROL A 8 BI644UXG5238SV SPK BOX x2 P 1 BI430001856000W CARTON P 2 BI470011031001W POLY BAG P 3 BI470011057001W POLY BAG P 4 BI450012012000 ...

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