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JVC UX-H100 Service Manual
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JVC UX-H100 Service Manual

JVC UX-H100 Service Manual

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SERVICE MANUAL
MICRO COMPONENT SYSTEM
7
2004
MB248
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17
UX-H100

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COPYRIGHT © 2004 Victor Company of Japan, Limited
Area suffix
A ------------------------ Australia
US ------------------------ Singapore
UT ---------------------------- Taiwan
UW ----------- Brazil,Mexico,Peru
UJ ---------------------- U.S.Military
No.MB248
2004/7

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  • Page 1: Table Of Contents

    SERVICE MANUAL MICRO COMPONENT SYSTEM MB248 2004 UX-H100 Area suffix A ------------------------ Australia US ------------------------ Singapore UT ---------------------------- Taiwan UW ----------- Brazil,Mexico,Peru UJ ---------------------- U.S.Military TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION 10 W per channel, min. RMS, driven into 6 Ω at 1 kHz, Amplifier Section-CA-UXH100 Output Power with no more than 10% total harmonic distortion (IEC 268-3) 6 Ω - 16 Ω Speakers/Impedance Tuner FM tuning range FM 100 kHz intervals 87.5 MHz-108.0 MHz FM 50 kHz intervals 87.50 MHz-108.00 MHz AM tuning range...

  • Page 3: Precaution

    SECTION 1 PRECAUTION Safety Precautions (1) This design of this product contains special hardware and voltmeter. many circuits and components specially for safety purpos- Move the resistor connection to each exposed metal es. For continued protection, no changes should be made part, particularly any exposed metal part having a return to the original design unless authorized in writing by the path to the chassis, and measure the AC voltage across...
  • Page 4 Preventing static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs. 1.5.1 Grounding to prevent damage by static electricity Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as laser products.

  • Page 5: Important For Laser Products

    Important for laser products 5.CAUTION : If safety switches malfunction, the laser is able 1.CLASS 1 LASER PRODUCT to function. 2.DANGER : Invisible laser radiation when open and inter 6.CAUTION : Use of controls, adjustments or performance of lock failed or defeated. Avoid direct exposure to beam. procedures other than those specified here in may result in 3.CAUTION : There are no serviceable parts inside the hazardous radiation exposure.

  • Page 6: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. 1-6 (No.MB248)

  • Page 7: Disassembly

    SECTION 3 DISASSEMBLY Disassembly of the main blocks of the set 3.1.1 Replacing the fuses (See Fig.1) • Prior to performing the following procedure, remove the rear cover. (1) Replace the fuses inside. Caution: Be sure to use fuses with the specified ratings. Fuse (F901) Fuse (F902) 800MAL 250V...
  • Page 8 3.1.3 Removing the rear cover (See Fig.3 and 4) (1) Remove the seven screws C that retain the rear cover from the back of the body. (2) Remove the eight screws D that retain the rear cover from the two sides of the body. (3) Remove the rear cover from the body by pulling it toward the back.
  • Page 9 3.1.4 Removing the CD chassis assembly (See Fig.5 to 8) • Prior to performing the following procedures, remove the rear cover. (1) Remove a screw E retaining the main board onto the CD chassis. (2) Disconnect the two FFC cables X1, X2 from the connectors CN704, CN703 on the CD board.
  • Page 10 3.1.5 Removing the CD mechanism (See Fig.9 to 13) • Prior to performing the following procedures, remove the rear cover. • Also remove the CD chassis assembly. (1) Remove the three screws Y1 retaining the CD board. (2) Disconnect the FFC cable Y2 from the connector CN701. (3) Disconnect the two parallel wires Y3 from the connector.
  • Page 11 3.1.6 Removing the bottom base assembly (See Fig.14 to 18) • Prior to performing the following procedures, remove the rear cover. • Also remove the CD chassis assembly. (1) Remove the two screws H retaining the front panel assem- bly. (2) Disengage the wire Q that fix the cassette deck wire.
  • Page 12 3.1.7 Removing the main board (See Fig.19 and 20) • Prior to performing the following procedures, remove the rear cover. • Also remove the CD chassis assembly. • Also remove the bottom base assembly. (1) Disengage the wire M and then disconnect the parallel wire from the connectors CN902 (See Fig.20).
  • Page 13 3.1.9 Removing the cassette deck mechanism (See Fig.22 and 23) • Prior to performing the following procedures, remove the rear cover. • Also remove the CD chassis assembly. • Also remove the bottom base assembly. (1) Remove the four screws J retaining the cassette deck mechanism from the back of the front cabinet assembly.
  • Page 14 3.1.10 Removing the display/control board assembly (See Fig.24 and 25) • Prior to performing the following procedures, remove the rear cover. • Also remove the CD chassis assembly. (1) Remove the eleven screws K retaining the display/control board assembly from the back of the front cabinet assem- bly.
  • Page 15 3.1.11 Removing the cassette deck main motor, and replacing the main belt (See Fig.26 and 27) • Prior to performing the following procedures, remove the rear cover. • Also remove the CD chassis assembly. • Also remove the bottom base assembly. (1) Remove the four screws J retaining the cassette deck mechanism.

  • Page 16: Adjustment

    SECTION 4 ADJUSTMENT Arrangement of adjusting positions Cassette deck mechanism (Front side) REC/PB Head (Deck-B) Head azimuth screw Head azimuth screw (Forward side) (Reverse side) Tape recorder section Adjusting Measurement Standard Items Measurement method positions conditions values Cassette Head Test tape 1.Playback the test tape VT703 (10KHz) or Maximum Adjust the...

  • Page 17: Troubleshooting

    SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING. (No.MB248)1-17...
  • Page 18 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB248) Printed in Japan...
  • Page 19 We suggest that you order the parts concerned as apares. Parts identified by the symbol are critical for safety. Replace only with specified part numbers. Location Model & Manual No. Reference Information FS-H100 UX-H100 ------ J (No.MB182) B.E.EN.EV (No.MB210) SML200404V4 SML200406V6 CD-ROM No. CD-ROM No.
  • Page 20 W e suggest that you order the parts concerned as apares . P arts identified by the symbol are critical for safety . R eplace only with specified part numbers . M odel & M anual N o . Lo cation FS-H100 UX-H100 UX-H100 B,E,EN,EV A,US,UT,UW,UJ P arts list (MB182)
  • Page 21 N ew Pa rts N o . M odel name M anual N o . I tem P age O ld Pa rts N o . FS-H100/ MB182 IC401 S3C825A BI118721 UX-H100/ MB210 IC401 S3C825A BI118721 B,E,EN,EV UX-H100/ MB248 IC401 S3C825A BI118721...
  • Page 22 SCHEMATIC DIAGRAMS MICRO COMPONENT SYSTEM UX-H100 Area suffix CD-ROM No.SML200407 A ------------------------ Australia US ------------------------ Singapore UT ---------------------------- Taiwan UW ----------- Brazil,Mexico,Peru UJ ---------------------- U.S.Military Contents Wiring diagrams Block diagrams Standard schematic diagrams 2-11 to 13 Printed circuit boards No.MB248SCH COPYRIGHT 2004 Victor Company of Japan, Limited.
  • Page 23 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. (This regulation does not correspond to J and C version.)

  • Page 24: Wiring Diagrams

    Wiring diagrams A version CN201 CN401 PIN1 FRONT COMB board assy MAIN COMB board assy DGND BI653UXH1016S PLLCE DATA BI652UXH1006S CLOCK D-IN 4094CE DGND PREMUTE U-VDD VOECO DGND DNCD VM(V) VM(V) CN402 RELAY-ON HOLD VOL-2 VOL-1 A-STBY PLAY/REC DK-PWR CLOCK-SHIFT CN204 1P WITH TERMINAL WIRE P/N:BI11AT125B0...
  • Page 25 US,UT,UW,UJ version CN401 PIN1 MAIN COMB board assy FRONT COMB board assy CN201 BI652UXH10060 BI635UXH10060 CN402 CN204 1P WITH TERMINAL WIRE P/N:BI11AT125B0 CN202 CN403 JK201 JK202 PHONE OUTPUT CN203 FF-CABLE 12P P=1.0 L=(4+60+4)MM PART NO:BI1205981 FF-CABLE 12P P-1.0 L=(4+100+4)MM CONN assy 7P P=2.0MM L=140MM PAR NO:BI120599 PART NO:BI12P70079 IC202...

  • Page 26: Block Diagrams

    Block diagrams A version MAIN BLOCK POWER AMPLIFIER & SOUND CONTROL TUNER SECTION FRONT BLOCK MICON CONTROL & LCD DISPLAY LA1823 LC72136N IC204 TUNER IC PLL IC NJM4565D HEADPHONE AMP IC203 IC201 BD3881FV M74HC4049 IC202 FUNCTION IC EXPAND IC LA4636 IC401 AMPLIFIER S3C825A...
  • Page 27 US,UT,UW,UJ version MAIN BLOCK POWER AMPLIFIER & SOUND CONTROL TUNER SECTION FRONT BLOCK MICON CONTROL & LCD DISPLAY LA1823 LC72136N IC204 TUNER IC PLL IC NJM4565D HEADPHONE AMP IC201 IC203 M74HC4049 BD3881FV IC202 EXPAND IC FUNCTION IC LA4636 IC401 AMPLIFIER S3C825A CPU CONTROL IC POWER SUPPLY...

  • Page 28: Standard Schematic Diagrams

    Standard schematic diagrams Primary section A version...
  • Page 29 Primary section US,UT,UW,UJ version...
  • Page 30 Main section...
  • Page 31 Front section...
  • Page 32 Tuner section...
  • Page 33 CD section 2-10...

  • Page 34: Printed Circuit Boards

    Printed circuit boards Main board (forward side) 2-11...
  • Page 35 Main board (forward side) 2-12...
  • Page 36 CD board (forward side) (reverse side) 2-13...
  • Page 37 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.MB248SCH)

  • Page 38: Area Suffix

    PARTS LIST [ UX-H100 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix A ------------------------- Australia US ---------------------- Singapore UT --------------------------- Taiwan UW ---------- Brazil,Mexico,Peru UJ --------------------- U.S.Military - Contents - 3- 2 Exploded view of general assembly and parts list (Block No.M1)
  • Page 39 Exploded view of general assembly and parts list Block No. Front board CD board...
  • Page 40 Main board F901 Transformer board F902...
  • Page 41 General Assembly Block No. [M][1][M][M]  Symbol No. Part No. Part Name Description Local BI1077060301VN CASSETTE LENS BI1077050101VN CASSETTE HOLDER BI202705010101 CASSETTE SPRING BI1077040301VN WINDOW LENS BI1077120101U1 VOLUME KNOB BI1077110101VN VOLUME RING BI1077030101VN FRONT CABINET BI1077100101U1 CASSETTE BUTTON BI2027070101W1 CASSETTE KNOB BI300924010101 DAMPER (x2)
  • Page 42 CD mechanism assembly and parts list Block No.
  • Page 43 CD mechanism Block No. [M][B][M][M]  Symbol No. Part No. Part Name Description Local BIAJ7000601E CHASSIS BIAJ6600601G GEAR COVER BIAJ6600601D GEAR BIAJ6600601B GEAR BIAJ6600601F GEAR BIAJ7000601A SHAFT BISOHAAN PICK UP BIAJ3100601B SPINDLE MOTOR BIAJ3100601A FEED MOTOR BIAJ6000601D SCREW M2XL3(x4) BI3409000174 LEAF SWITCH BIAJ4100601E SUB PCB...

  • Page 44: Electrical Parts List

    Electrical parts list Main board  Symbol No. Part No. Part Name Description Local Block No. [0][1] BI3SVC203CPA00 SVC203CP V.DIODE  Symbol No. Part No. Part Name Description Local 1SS133 FR DIODE BI31SS133M0007 1SS133 FR DIODE BI31SS133M0007 1SS133 FR DIODE BI31SS133M0007 LA1823 BI113251...

  • Page 45: Front Board

    Front board  Symbol No. Part No. Part Name Description Local Block No. [0][2] BI2SC1815GRP00 Q920 2SC1815GR TRANSISTOR  Symbol No. Part No. Part Name Description Local D901 1SS133 FR DIODE BI31SS133M0007 D902 1SS133 FR DIODE BI31SS133M0007 IC401 S3C825A BI116411 D903 1SS133 FR DIODE...
  • Page 46 <MEMO>...
  • Page 47 Packing materials and accessories parts list Block No. REAR SIDE A1 A2 FRONT 3-10...
  • Page 48 Packing and Accessories Block No. [M][3][M][M]  Symbol No. Part No. Part Name Description Local BI441329W INST BOOK LVT1190-011A ENG BI4413311W INST BOOK LVT1190-010A ENG BI4413301W INST BOOK LVT1190-008A ENG CHI(PEKIN) BI4413321W INST BOOK LVT1190-009A CHI(TAIWAN) BI4412991U INST BOOK LVT1190-007A ENG SPA POR BI23A0261 PLUG CONVERSION ...
  • Page 49 Parts identified by the symbol are critical for safety. Replace only with specified part numbers. Model & Manual No. Location Reference Information Performed at factory UX-H100 B,E,EN,EV Parts list ------ (MB210) Some parts numbers are missing on Service Manual No.MB210.
  • Page 50 MB-MCI-00064 (2/6) Main board Main board Item Location Parts number Parts name Remarks Item Location Parts number Parts name Remarks C304 BICC104500KA042 CHIP CAP 0.1UF R351 BIRC1830105A005 CHIP RESISTOR 18K OHM C306 BICC104500KA042 CHIP CAP 0.1UF R206 BIRC1020105A005 CHIP RESISTOR 1K OHM C310 BICC104500KA042...
  • Page 51 MB-MCI-00064 (3/6) Main board Main board Item Location Parts number Parts name Remarks Item Location Parts number Parts name Remarks R290 BIRC3940105A005 CHIP RESISTOR 390K OHM C128 BICC681500JA041 CHIP CAP 680PF R327 BIRC3930105A005 CHIP RESISTOR 39K OHM C164 BICC470500JA041 CHIP CAP 47 PF R328 BIRC3930105A005...
  • Page 52 MB-MCI-00064 (4/6) Front board Main board Item Location Parts number Parts name Remarks Item Location Parts number Parts name Remarks R133 BIRC1810105A002 RESISTOR 180 OHM R410 BIRC1030105A005 C-RESISTOR 10K OHM R411 BIRC1030105A005 C-RESISTOR 10K OHM R175 BIRC1510105A002 RESISTOR 150 OHM C385 BICE107250MP015 ELECT CAP...
  • Page 53 MB-MCI-00064 (5/6) Front board CD board Item Location Parts number Parts name Remarks Item Location Parts number Parts name Remarks R461 BIRC2210085M000 RESISTOR 220 ohm R828 BIRC1020105A005 C-RESISTOR 1K OHM R462 BIRC2210085M000 RESISTOR 220 ohm R829 BIRC1020105A005 C-RESISTOR 1K OHM R499 BIRC2220085M000 RESISTOR...
  • Page 54 MB-MCI-00064 (6/6) Transformer CD board Item Location Parts number Parts name Remarks Item Location Parts number Parts name Remarks R262 BIRC0000165A005 CHIP RESISTOR 0 OHM R901 BIRC1220105A005 C-RESISTOR 1.2K OHM R263 BIRC0000165A005 CHIP RESISTOR 0 OHM R902 BIRC4720105A005 C-RESISTOR 4.7K OHM R312 BIRC0000165A005 CHIP RESISTOR...

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