JVC CA-UXHB4 Service Manual Download Page 41 | Manualshive

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3-5

83

OW40-92606-01

SCREW

3X5

84

OW81-00004-01

LCD SPONGE



85

OW30-00300-02

POWER CORD

BS SF-629 H03VVH2-F

87

OW48-03210-14

BKT

DAB

88

OW00-03316-00

DAB MODULE

89

OW81-00004-00

WIRE COVER

DAB ANT

90

OW29-00004-00

T.ANT

DAB

91

OW68-00004-00

FOIL SHEET

Copper(x2)



Symbol No.

Part No.

Part Name

Description

Local

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Summary of Contents for CA-UXHB4

Page 1: ...Japan Limited No MB330 2004 10 MICRO COMPONENT SYSTEM MB330 2004 10 UX HB4 TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 7 3 DISASSEMBLY 1 8 4 ADJUSTMENT 1 20 5 TROUBLESHOOTING 1 23 CA UXHB4 SP UXHB4 SP UXHB4 Area suffix B U K ...

Page 2: ...Hz 108 00 MHz AM MW tuning range 522 kHz 1 629 kHz CD player Dynamic range 85 dB Signal to noise ratio 85 dB Wow and flutter Immeasurable Cassette deck Frequency response Normal type I 100 Hz 10 000 Hz Wow and flutter 0 35 WRMS General Power requirement AC 230 V 50 Hz Power consumption 40 W at operation 2 W on standby Dimensions W H D approx 152 mm 233 mm 297 mm Mass approx 4 0 kg Speaker Section ...

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: ...same safety characteristics as the recommended replacement parts shown in the Parts List of the Service Manual and 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 ser...

Page 5: ...r diode in the optical pickup The tester s internal power source can easily destroy the laser diode 1 7 Handling the traverse unit optical pickup 1 Do not subject the traverse unit optical pickup to strong shocks as it is a sensitive complex unit 2 Cut off the shorted part of the flexible cable using nippers etc after replacing the optical pickup For specific details refer to the replacement proce...

Page 6: ...lock failed or defeated AVOID DIRECT EXPOSURE TO BEAM e VARNING Synlig och osynling laserstrålning när den öppnas och spärren är urkopplad Betrakta ej strålen s VARO Avattaessajasuojalukitus ohitettuna tai viallisena olet alttiina näkyvälle ja näkymättömälle lasersäteilylle Vältä säteen kohdistumista suoraan itseesi f ADVARSEL Synlig og usynlig laserstråling når maskinen er åben eller interlocken ...

Page 7: ... No MB330 1 7 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Page 8: ...Remove the screw F on the bottom of the body 5 Move the front panel assembly in the direction of the arrow and remove Disconnect connector CN402 CN801 on the main board and disconnect the wire from FM ANT CAUTION When reassembling the front panel assembly fit the right and left joints a to the notch Fig 1 Fig 2 Fig 3 CD mechanism assembly Antenna cord Rear cover assembly B D A Front panelh assembl...

Page 9: ...4 Fig 5 Fig 6 Front panel assembly Rear panel assembly F CD mechanism assembly Front panel assembly Rear cover assembly Joint a CD mechanism assembly Front panel assembly Main board Rear cover assembly FM ANT CN402 CN801 ...

Page 10: ... the wire from the two connectors on the cas sette mechanism assembly 3 Release the two bands attaching the wire to the main board 4 Remove the two screws G from the front panel assembly Release the joint b Fig 7 Fig 8 CD mechanism assembly CD mechanism assembly Front panel assembly CN203 Main board CN303 CN301 CN302 CN401 CN403 CN103 Main board Band CD mechanism assembly Front panel assembly Join...

Page 11: ... wire 2 Disconnect the wire from connector CN607 on the CD mechanism board respectively 3 Remove the three screws H attaching the CD mechanism assembly 4 Release the joint d to remove the CD mechanism assem bly from the front panel assembly Fig 9 Fig 10 CD mechanism assembly CD mechanism board CN607 Front panel assembly Band Band Band H H H CD mechanism assembly Front panel assembly Joint d Joint ...

Page 12: ...2 and CN609 on the CD mechanism board 2 Remove the four screws J attaching the CD mechanism board 3 Move the CD mechanism board as shown in the figure 12 and solder the short circuit point on the CD pickup board 4 Disconnect the card wire from connector CN608 on the CD mechanism board CAUTION Make sure to unsolder the short circuit point after reconnecting the card wire to the CD pickup board and ...

Page 13: ...D mechanism Fig 14 3 1 6 Removing the headphone board AUX board See Fig 15 Prior to performing the following procedure remove the front panel assembly the main board and the CD mechanism as sembly 1 Remove the screw M attaching the bracket and detach the headphone board 2 Remove the screw N attaching the bracket and detach the AUX board Fig 15 CD mechanism assembly CD mechanism K K Front panel ass...

Page 14: ...sembly the main board and the CD mechanism as sembly 1 From the front panel pull out the volume knob and remove the nut and the washer 2 Remove the twelve screws P attaching the LCD board and remove the screw Q setting the wire Fig 16 Fig 17 Front panel assembly Washer Volume konb Nat Front panel assembly LCD board P P P Q P ...

Page 15: ...in board 1 Push PUSH OPEN on the front panel to open the cassette door 2 Remove the screw R attaching the bracket of the cassette mechanism assembly 3 Remove the two screws S and the two screws T attaching the cassette mechanism assembly Fig 18 Fig 19 Front panel assembly Cassette door PUSH OPEN Cassette mechaanism assembly Front panel assembly Bracket T T S S R ...

Page 16: ... power board 3 1 10 Removing the power transformer assembly See Fig 27 28 Prior to performing the following procedure remove the front panel assembly and the power unit section 1 Remove the four screws F attaching the power transform er assembly The bracket comes off at the bottom of the rear cover 2 Remove the screw G attaching the power cord folder 3 Remove the two screws H attaching the AC conn...

Page 17: ...B330 1 17 Fig 23 Fig 24 Fig 25 Fig 26 Holder A Power board Power board Band Band Band e Heat sink Unsolder Unsolder Unsolder Joint f B D Heat sink Power board B B Heat sink Power board E Bracket Power board ...

Page 18: ...1 18 No MB330 Fig 27 Fig 28 Rear cover F F Power trnsfomer assembly Rear cover FM antenna board G H J Power cord folder AC connect board ...

Page 19: ...odule board 2 Disconnect the wire from connector CN3 on the DAB mod ule board 3 Disconnect the DAB module board from connector JK10 on the main board by pulling out The holder comes off with the DAB module board 4 Release the four joints g of the holder and remove the DAB module board Fig 29 Fig 30 Main board CD mechanism assembly Front panel assembly K CD mechanism assembly Front panel assembly M...

Page 20: ...emi fixed resistor Check only Test tape 3 kHz Signal output phone with 32 ohm load 1 Playback the test tape 3kHz by the end position 2 Connect a frequency counter and check that it reads between 2940 and 3090 Hz If not adjust the frequency with the motor semi fixed resistor 3 Check that the wow flutter is within 0 38 unweighted Bias frequency check L203 R225 R226 Tape Normal Signal out Cassette RE...

Page 21: ...a Signal output phone with 32 ohm load 1 Set the TUNER at 1629 kHz adjust T104 until the test pin of T008 voltage at 7 0V 0 1V 2 Set the TUNER at 522 kHz check the pin of T008 voltage at 1 1V 0 5V 3 Set the TUNER and S G at 603 kHz adjust T106 for maximum output 4 Set the TUNER and S G at 1404 kHz adjust TC102 for maximum output 5 Repeat the above step 3 and 4 FM IF adjustment T105 L102 Signal inp...

Page 22: ...1 22 No MB330 4 3 Location of adjusting parts CASSETTE MOTOR Tape Speed Adj Cassette mechanism Main board assembly T103 T105 T101 T102 VR101 L102 T104 T106 TC102 L101 TC101 L203 ...

Page 23: ...Recording Unsteady tape sound Weak sound Dirty capstan or head Clean the capstan or head with alcohol Defective IC201 Check voltages Replace if necessary Cassette erasure provention tabs broken out Replace tape or over tab openings with adhesive tape CD Cannot read the TOC No sound Moisture has formed inside the CD deck Waite about 20 to 30 minutes Defective IC601 Check voltages Replace if necessa...

Page 24: ... No MB330 AV MULTIMEDIA COMPANY AUDIO VIDEO SYSTEMS CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan Victor Company of Japan Limited WPC Printed in Japan ...

Page 25: ...ection Block diagram Standard schematic diagrams Printed circuit boards 2 1 2 2 2 3 2 7 to 9 CD ROM No SML200410 MICRO COMPONENT SYSTEM No MB330SCH 2004 10 COPYRIGHT 2004 Victor Company of Japan Limited CA UXHB4 SP UXHB4 SP UXHB4 Area suffix B U K ...

Page 26: ...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 27: ...CN402 CN403 RED RED RED CN401 RED RIGHT SPEAKERS LEFT SPEAKERS CN202 CN202 P N 20 41092 71 P N 11 0004 22 UX HB4 CPU KEY PCB P N 11 0004 20 UX HB4 MAIN PCB P N 20 41092 81 P N 20 41092 48 CN507 CNM705 P N 25 23050 82 P N 20 41072 60 P N 11 00004 25 UX HB4 LED PCB RED RED 0 2 0 4 9 9 0 P N 20 41092 57 RED P N 94 34309 00 CASS LOGIC DECK BOTTOM SIDE P N 11 00004 23 UX HB4 AUX PCB P N 20 61083 80 UX ...

Page 28: ...CA JACK POWER AMP LA4725 POWER AMP LA4808 REMOTE CONTROL PT2222 IC 2 KEY SCAN GM16312 MCU SM89516A MEMORY 24C01 IC 2 IC TUNER L R TAPE L R DAB L R CD L R AUX IN L R 2 L R MUTE POWER EN L R SPEAKER EAR PHONE CD PICK UP TCP11K2X EEPROM W27C020 DRAM 4MB 16M VOLTAGE REGULATOR STANDBY RECTIFIER RECTIFIER AC SUPPLY FOR AMP FOR CD FOR TUNER FOR DAB FOR TAPE MPEG DECODER ESS3890 S1L9226 S5L9290 Block diag...

Page 29: ...2 3 Parts are safety assurance parts When replacing those parts make sure to use the specified one Standard schematic diagrams Power circuit ...

Page 30: ...2 4 Parts are safety assurance parts When replacing those parts make sure to use the specified one Main circuit ...

Page 31: ...2 5 CD circuit Parts are safety assurance parts When replacing those parts make sure to use the specified one ...

Page 32: ...2 6 Display circuit Parts are safety assurance parts When replacing those parts make sure to use the specified one ...

Page 33: ...2 7 Printed circuit boards forward side reverse side Main board ...

Page 34: ...2 8 Display board forward side reverse side CD board forward side reverse side ...

Page 35: ...2 9 Power board forward side reverse side ...

Page 36: ...Victor Company of Japan Limited No MB330SCH Printed in Japan WPC AV MULTIMEDIA COMPANY AUDIO VIDEO SYSTEMS CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan ...

Page 37: ...ssemblies are not available as service parts Contents Exploded view of general assembly and parts list Block No M1 Electrical parts list Block No 01 04 Packing materials and accessories parts list Block No M3 UX HB4 3 2 3 6 3 14 Area suffix B U K MB330 ...

Page 38: ... 24 25 72 26 27 73 28 29 29 11 32 29 31 33 34 35 36 37 38 39 40 46 20 72 75 71 42 41 76 91 77 72 72 84 30 47 48 49 50 51 52 71 73 71 58 71 59 60 78 61 73 72 79 79 79 62 64 65 83 66 66 6 82 81 81 81 81 66 AUX board Display FM ANT board AC Connect board LED board Main board Phone board Power board 71 87 88 80 ...

Page 39: ... 22 23 74 24 25 72 26 27 73 28 29 29 11 32 29 31 33 46 20 72 75 71 77 72 72 84 30 47 48 49 50 51 52 71 73 71 58 71 59 60 78 61 73 72 79 79 79 62 64 65 83 66 66 66 65 67 82 82 85 81 81 81 81 66 CD board AUX board Display board FM ANT board AC Connect board LED board Main board hone board Power board 1 90 89 71 87 88 80 ...

Page 40: ...OR LENS 37 OW49 00300 13 VOLUME RING 38 OW53 00300 13 VOLUME KNOB 39 OW43 00300 28 DISPLAY LENS 40 OW53 00300 14 SNOOZE KNOB 41 OW48 00300 19 SNOOZE KNOB BKT 42 OW53 00300 12 POWER KNOB 46 OW53 00300 10 FUNCTION KNOB 47 OW00 00004 31 LCD MODULE 48 OW43 00004 00 LCD FILTER 49 OW48 00300 13 PCB BKT Main 50 OW43 00300 23 LIGHT GUIDE 51 OW68 00300 10 LCD FILTER Paper 52 OW68 00300 12 FELT BLK 53 OW48 ...

Page 41: ...SPONGE 85 OW30 00300 02 POWER CORD BS SF 629 H03VVH2 F 87 OW48 03210 14 BKT DAB 88 OW00 03316 00 DAB MODULE 89 OW81 00004 00 WIRE COVER DAB ANT 90 OW29 00004 00 T ANT DAB 91 OW68 00004 00 FOIL SHEET Copper x2 Symbol No Part No Part Name Description Local ...

Page 42: ...0V C112 OW05 73224 00 C CAPACITOR 0 22uF 50V C113 OW05 73180 05 C CAPACITOR 18pF 50V C114 OW05 79471 05 PP CAPACITOR 470pF 50V C115 OW05 73560 05 C CAPACITOR 56pF 50V C116 OW05 03105 82 C CAPACITOR POL 50V S 1U PM C117 OW05 73223 00 C CAPACITOR 0 022uF 50V C118 OW05 73104 00 C CAPACITOR 0 1uF 50V C119 OW06 72106 20 E CAPACITOR 10 uF 25V C120 OW05 73104 00 C CAPACITOR 0 1uF 50V C121 OW05 73221 05 C...

Page 43: ...5 73101 05 C CAPACITOR 100pF 50V C409 OW06 71476 20 E CAPACITOR 47uF 16V C410 OW06 71476 20 E CAPACITOR 47uF 16V Symbol No Part No Part Name Description Local C411 OW06 70227 20 E CAPACITOR 220uF 10V C412 OW06 70227 20 E CAPACITOR 220uF 10V C413 OW05 73104 00 C CAPACITOR 0 1uF 50V C414 OW05 73104 00 C CAPACITOR 0 1uF 50V C416 OW05 73223 00 C CAPACITOR 0 022uF 50V C417 OW06 71227 20 E CAPACITOR 220...

Page 44: ...5 6K 1 16W R325 OW07 75222 06 C RESISTOR 2 2K 1 16W R326 OW07 75471 06 C RESISTOR 470 1 16W Symbol No Part No Part Name Description Local R327 OW07 75471 06 C RESISTOR 470 1 16W R328 OW07 74220 00T C RESISTOR 22 1 4W R329 OW07 75222 06 C RESISTOR 2 2K 1 16W R331 OW07 75183 06 C RESISTOR 18K 1 16W R333 OW07 74752 50T C RESISTOR 7 5K 1 8W R334 OW07 74752 50T C RESISTOR 7 5K 1 8W R353 OW07 75000 06F ...

Page 45: ...V 0 5W Z DIODE OW02 50091 81 Z441 6 2V 0 5W Z DIODE OW02 50062 80 ZD101 5 6V 0 5W Z DIODE OW02 50056 80 ZD107 5 6V 0 5W Z DIODE OW02 50056 80 Symbol No Part No Part Name Description Local Symbol No Part No Part Name Description Local IC801 LA4628 IC OW03 04628 00 IC901 RS602 IC OW02 00602 80 Q801 8050D TRANSISTOR OW01 08050 81 Q802 8050D TRANSISTOR OW01 08050 81 D801 1N4148 DIODE OW02 04148 81 D80...

Page 46: ...2 2K 1 16W R190 OW07 75103 06 C RESISTOR 10K 1 16W R191 OW07 75152 06 C RESISTOR 1 5K 1 16W R192 OW07 75223 06 C RESISTOR 22K 1 16W R193 OW07 75103 06 C RESISTOR 10K 1 16W R500 OW07 75392 06 C RESISTOR 3 9K 1 16W R501 OW07 75152 06 C RESISTOR 1 5K 1 16W R502 OW07 75152 06 C RESISTOR 1 5K 1 16W R503 OW07 75102 06 C RESISTOR 1K 1 16W R504 OW07 75152 06 C RESISTOR 1 5K 1 16W R505 OW07 75152 06 C RESI...

Page 47: ...ESISTOR 0 1 8W J514 OW07 75001 05F C RESISTOR 0 1 8W J515 OW07 75001 05F C RESISTOR 0 1 8W J516 OW07 75001 05F C RESISTOR 0 1 8W J517 OW07 75001 05F C RESISTOR 0 1 8W J518 OW07 75001 05F C RESISTOR 0 1 8W J519 OW07 75001 05F C RESISTOR 0 1 8W J520 OW07 75001 05F C RESISTOR 0 1 8W Symbol No Part No Part Name Description Local J521 OW07 75001 05F C RESISTOR 0 1 8W J522 OW07 75001 05F C RESISTOR 0 1 ...

Page 48: ...76 20 E CAPACITOR 47uF 16V C708 OW05 73104 00 C CAPACITOR 0 1uF 50V C714 OW06 75225 20 E CAPACITOR 2 2uF 50V Symbol No Part No Part Name Description Local C721 OW06 71476 20 E CAPACITOR 47uF 16V C722 OW05 73223 00 C CAPACITOR 0 022uF 50V C725 OW05 73122 00 C CAPACITOR 1200p 50V C726 OW05 73103 00 C CAPACITOR 0 01uF 50V C616A OW06 71107 20 E CAPACITOR 100uF 16V C634A OW06 75225 20 E CAPACITOR 2 2uF...

Page 49: ... 100MHz J622 OW08 04344 73 FERRITE BEAD 700 100MHz J623 OW08 04344 73 FERRITE BEAD 700 100MHz J624 OW08 04344 73 FERRITE BEAD 700 100MHz J625 OW08 04344 73 FERRITE BEAD 700 100MHz J626 OW08 04344 73 FERRITE BEAD 700 100MHz J627 OW08 04344 73 FERRITE BEAD 700 100MHz J628 OW08 04344 73 FERRITE BEAD 700 100MHz J629 OW08 04344 73 FERRITE BEAD 700 100MHz J632 OW08 04344 73 FERRITE BEAD 700 100MHz J633 ...

Page 50: ...3 14 Packing materials and accessories parts list Block No M M M 3 P1 P2 P3 P4 P5 P6 P7 P8 P9 A1 A2 A3 A5 A6 A4 P5 P10 P11 P12 The parts without symbol number are not service ...

Page 51: ...UXHB4B REMOCON A 6 OW89 00300 05 INSERT CARD P 1 OW89 00004 00 CARTON P 2 OW89 00300 02 SHEET P 3 OW85 91014 82 POLY BAG 10X14 P 4 OW85 90710 84 POLY BAG 7X10 P 5 OW85 00025 81A POLY BAG 3 5X10 x2 P 6 OW81 01000 80 CUSHION 116X17X2mm P 7 OW89 09023 80 SHEET P 8 OW85 91821 84 POLY BAG 18X21X0 03 P 9 OW86 00004 00 POLYFOAM L P 10 OW86 00004 01 POLYFOAM R P 11 OW81 00300 01 SUPPORT SPONGE P 12 OW81 0...

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