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JVC UX-H9 Service Manual

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Download this manual See also: Instruction Manual
SERVICE MANUAL
MICRO COMPONENT SYSTEM
1
MB107
2004
TIMER
TIMER SET
ON/OFF
STANDBY/ON
INTRO
/RDS SEARCH
RANDOM
SLEEP
REMAIN
REPEAT
/RDS MODE
PROGRAM
ST/MONO
TUNER
TAPE
CD
/BAND
CD
BEAT CUT
DISPLAY
/CLOCK SET
SOUND
VOLUME
MUTING
/BASS
RM-SUXH9R REMOTE CONTROL
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-18
UX-H9

TABLE OF CONTENTS

COPYRIGHT © 2004 VICTOR COMPANY OF JAPAN, LIMITED
STANDBY/ON
VOLUME
STANDBY
MICRO COMPONENT SYSTEM
UX-H9
CD SYNCHRO RECORDING
OPEN
E ------ Continental Europe
EN ------ Noerthern Europe
Area Suffix
No.MB107
2004/1

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  • Page 1: Table Of Contents

    SERVICE MANUAL MICRO COMPONENT SYSTEM MB107 2004 UX-H9 TIMER TIMER SET ON/OFF STANDBY/ON INTRO /RDS SEARCH RANDOM SLEEP STANDBY/ON REMAIN REPEAT /RDS MODE PROGRAM ST/MONO VOLUME TUNER TAPE /BAND BEAT CUT STANDBY MICRO COMPONENT SYSTEM UX-H9 DISPLAY /CLOCK SET SOUND...
  • Page 2 SPECIFICATION 10 W (5 W + 5 W) at 4 Ω (10% THD) Amplifier Section Output Power (IEC 268-3) CA-UXH9 4 Ω - 16 Ω Speakers/Impedance Tuner FM tuning range 87.50 MHz-108.00 MHz AM (MW) tuning range 522 kHz-1 629 kHz CD player Dynamic range 60 dB...

  • 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 1.5 Safety Precautions (U.K only) (1) This design of this product contains special hardware and many circuits and components specially for safety purposes. For con- tinued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replace- ment parts must be identical to those used in the original circuits.
  • Page 5 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. 1.6.1 Grounding to prevent damage by static electricity Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as CD players.
  • Page 6 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 herein may result in 3.CAUTION : There are no serviceable parts inside the hazardous radiation exposure.

  • Page 7: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. (No.MB107)1-7...

  • Page 8: Disassembly

    SECTION 3 DISASSEMBLY Main body 3.1.1 Removing the Front panel assembly (See Fig.1 ~ 5) (1) Remove the two screws A and the two screws B on the Front panel assembly back of the body. (2) Remove the four screws C on each side of the body. (3) Remove the two screws D on the bottom of the body.
  • Page 9 3.1.2 Removing the Main board (See Fig.6 , 7) • Prior to performing the following procedure, remove the front Front panel panel assembly. assembly CD mechanism (1) Disconnect the wire from all connectors on the main board. CN260 assembly (2) Remove the two screws E and release the joint b. CN602 CN601 CN301...
  • Page 10 3.1.3 Removing the CD mechanism assembly and the Switch board (See Fig.8 ~ 10) • Prior to performing the following procedure, remove the front Open switch panel assembly and the main board. connecter Front panel Band (1) Cut off the four bands setting the wires. CD mechanism assembly (2) Disconnect the wire from connector on the CD open switch...
  • Page 11 3.1.4 Removing the CD mechanism board (See Fig.11 ~ 13) • Prior to performing the following procedure, remove the front panel assembly, the main board and the CD mechanism assembly. (1) Disconnect connector on the CD mechanism. Front panel (2) Remove the four screws H on the CD mechanism assembly.
  • Page 12 3.1.5 Removing the Headphone board (See Fig.14) • Prior to performing the following procedure, remove the front panel assembly, the main board and the CD mechanism assembly. Head phones board (1) Remove the screw L on the bracket and pull out the headphone board.
  • Page 13 3.1.8 Removing the transformer board (See Fig.17,18) • Prior to performing the following procedure, remove the front Solder point panel assembly. (1) From the rear cover assembly, remove the screw Q Trans borad attaching the transformer board. (2) Remove the four screws R attaching the transformer. (3) Remove the two screws S setting the power cord.

  • Page 14: Adjustment

    Reference output Speaker output 0 dB(1V)/ 4 Ω H. Phone output -10 dB(0.1V) 32Ω 4.1.2 CD section Test disc: JVC standard disc 4.1.3 Test tape JVC standard test tape 4.1.4 Measuring instruments Radio section FM 1 kHz, 22.5 kHz deviation FM STEREO : 1kHz, 67.5 kHz deviation...
  • Page 15 4.1.5 Cassette Amplifier Section Standard value Item Measuring Condition Check and adjustment procedure Adjusting part Head azimuth Test tape: 1. Play back the test tape (8 kHz). Output level: Head azimuth adjustment 8 kHz 2. Adjust the head azimuth adjusting screw so that Within 2 dB of adjusting Signal output...
  • Page 16 4.1.6 Tuner Section Check and adjustment procedure Standard value Adjusting part Item Measuring Condition AM IF adjustment Signal input: 1.Set the intermediate frequency sweep generator to T201 Loop ANTENNA AM 450 kHz. See Fig 3-3 Signal output: 2.Adjust the T201 for maximum and center output. U201 PIN 16 1.Set the TUNER at 531 kHz adjust T202 until the AM tracking...

  • Page 17: Cassette Mechanism Section

    Location of adjusting parts Cassette mechanism section CASSETTE MOTOR Tape Speed Adj. Figure 3-1 Head Output Signal Figure 3-2 Main board assembly (FM OSC) R230 VC202 L203 (FM VT) (FM RF) L204 (FM RF) FM-ANT T204 (AM VT) (AM RF) T202 (AM OSC) T202...

  • Page 18: Troubleshooting

    SECTION 5 TROUBLESHOOTING Circuit Symptom Cause and Remedy General No sound Speakers are not connected: Check the speaker connection. Wrong function is selected: Set switch to the proper position. Defective volume control: Set the volume control to a proper sound level. Defective the Headphone jack: Replace the headphone jack.
  • Page 19 (No.MB107)1-19...
  • Page 20 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB107) Printed in Japan...
  • Page 21 SCHEMATIC DIAGRAMS MICRO COMPONENT SYSTEM UX-H9 CD-ROM No.SML200401 TIMER TIMER SET ON/OFF STANDBY/ON INTRO /RDS SEARCH RANDOM SLEEP STANDBY/ON REMAIN REPEAT /RDS MODE PROGRAM ST/MONO VOLUME TUNER TAPE /BAND BEAT CUT STANDBY MICRO COMPONENT SYSTEM UX-H9 DISPLAY /CLOCK SET SOUND...
  • Page 22 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 23 Block diagram...
  • Page 24 Standard schematic diagrams Power supply section Parts are safety assurance parts. When replacing those parts make sure to use the specified one.
  • Page 25 Amp section Parts are safety assurance parts. When replacing those parts make sure to use the specified one.
  • Page 26 Display section...
  • Page 27 Remote section...
  • Page 28 CD section Parts are safety assurance parts. When replacing those parts make sure to use the specified one.
  • Page 29 Cassette section Parts are safety assurance parts. When replacing those parts make sure to use the specified one.
  • Page 30 Tuner section...
  • Page 31 Printed circuit boards Main board...
  • Page 32 CD board 2-10...
  • Page 33 Power board (forward side) Display board (forward side) Power board (reverse side) Display board (reverse side) 2-11...
  • Page 34 FM antenna board Headphone board LED board Remocon board (forward side) Key board (forward side) Remocon board (reverse side) Key board (reverse side) 2-12...
  • Page 35 < M E M O >...
  • Page 36 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.MB107SCH)

  • Page 37: Parts List

    PARTS LIST [ UX-H9 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix E ----------- Continental Europe EN ------------ Northern Europe - Contents - 3 - 2 Exploded view of general assembly and parts list (Block No.M1) 3 - 5 Electrical parts list (Block No.01~05)
  • Page 38 Exploded view of general assmbly and parts list Block No. Phone board Key board LED board CN704 Display board...
  • Page 39 Main board CN704 play board CD board F902 F901 Power board...
  • Page 40 Door OW36-00010-01 CASS DOOR SPRING OW43-00010-01 CASS DOOR LENS OW66-00010-01 CASS DOOR OW48-04200-04 CASS DOOR BKT OW43-00010-05 DISPLAY LENS PMMA OW55-30000-00 JVC BADGE OW60-00010-01 FRONT CABINET OW39-04200-05 PANEL FIXING Plate(x6) OW53-00010-01 POWER KNOB OW42-00010-00 PVC SHEET OW53-00010-02 VOLUME KNOB OW94-04200-00...

  • Page 41: Electrical Parts List

    Electrical parts list Main board Symbol No. Part No. Part Name Description Local Block No. [0][1][0][0] C211 OW06-16336-02 E CAPACITOR 33mF 16V Symbol No. Part No. Part Name Description Local C213 OW05-03151-03T C CAPACITOR 150pF C214 OW05-03222-06T C CAPACITOR 2200pF C215 OW05-03822-06T C CAPACITOR...
  • Page 42 Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C320 OW06-50104-03 E CAPACITOR 0.1mF 50V C815 OW05-02154-10 M CAPACITOR 0.15mF C321 OW05-03392-06T C CAPACITOR 0.0039mF C816 OW05-02154-10 M CAPACITOR 0.15mF C322 OW05-03392-06T C CAPACITOR 0.0039mF C817 OW05-03104-06T...
  • Page 43 Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R270 OW07-25102-60K C RESISTOR 1K 1/16W R361 OW07-25333-60K C RESISTOR 33K 1/16W R271 OW07-25103-60K C RESISTOR 10K 1/16W R362 OW07-25104-60K C RESISTOR 100K 1/16W R272 OW07-25472-60K C RESISTOR...
  • Page 44 CD board Symbol No. Part No. Part Name Description Local Block No. [0][2][0][0] CF204 OW09-50450-00J CER. FILTER 450HK2 CF205 OW09-50107-07J CER. DIS. JT10.7MG82 Symbol No. Part No. Part Name Description Local CN201 OW12-00007-21 FM ANT SOCKET 75TC-103 CN202 OW20-12020-01K 2PIN HEADER P=2.5mm CN260 OW20-11060-02...

  • Page 45: Display Board

    Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C795 OW05-07103-00A C CAPACITOR 0.01mF D902 IN4001 FR DIODE OW02-04001-00 D903 IN4001 FR DIODE OW02-04001-00 R701 OW07-15104-50T C RESISTOR 100K 1/8W D904 IN4001 FR DIODE OW02-04001-00 R702 OW07-15104-50T...

  • Page 46: Remote Board

    Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local D104 1SS-133TP FR DIODE OW02-00133-00 L102 OW08-04344-40 FERRITE COIL D105 ELT-3142D OW02-30022-02E L103 OW08-04344-40 FERRITE COIL C101 OW06-06108-01 E CAPACITOR 1000mF 6.3V J101 OW07-15222-50T C RESISTOR 2.2K 1/8W C102...
  • Page 47 <MEMO> 3-11...

  • Page 48: Packing Materials And Accessories Parts List

    Packing materials and accessories parts list Block No. A2,A8,A10 A3,A4 A6,A7 3-12...
  • Page 49 5W 4ohm(x2) OW23-04910-02 AM LOOP ANT OW88-00009-01 INST BOOK GER FRE DUT SWE FIN DAN OW88-00009-03 INST BOOK GER FRE SPA ITA OW88-00009-06 WARRANTY CARD OWV-RE-JVC REMOTE CONTROL OW81-01000-01 TRBLE CUSHION OW89-09023-36 PROTECT CD BOARD ------------ BATTERY (x2) OW87-00009-01 RATING LABEL...

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