JVC UX-H35 Service Manual

[Page 1] JVC UX-H35

SERVICE MANUAL COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LIMITED No.MB053 2003/9 MICRO COMPONENT SYSTEM MB05320039 UX-H35 TABLE OF CONTENTS 1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

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1-2 (No.MB053) SPECIFICATION Amplifier Output Power 20 W (10 W + 10 W) at 4 Ω (10% THD) Audio input sensitivity/Impedance (at 1 kHz) AUX 500 mV/48.75 kΩ Speakers/Impedance 4 Ω Tuner FM tuning range 87.50 MHz - 108.00 MHz AM tuning range 522 kH...

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(No.MB053)1-3 SECTION 1 PRECAUTION 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 de...

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1-4 (No.MB053) 1.5 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 pre...

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(No.MB053)1-5 1.8 Important for laser products (1) CLASS 1 LASER PRODUCT (2) DANGER : Invisible laser radiation when open and inter lock failed or defeated. Avoid direct exposure to beam. (3) CAUTION : There are no serviceable parts inside the Lase...

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1-6 (No.MB053) SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. ...

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(No.MB053)1-7 SECTION 3 DISASSEMBLY 3.1 Main body 3.1.1 Removing the rear panel (See Fig.1,2) (1) From behind the body, remove the eight screws A attach- ing the rear panel. (2) Turing the body upside down, remove the two screws B at- taching the rea...

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1-8 (No.MB053) 3.1.2 Removning the side panel (L) and (R) (See Fig.2~5) • Prior to performing the following procedure, remove the rear panel. (1) Turning the body upside down, remove the two screws C attaching the front panel assembly. (2) Turning ...

[Page 9] JVC UX-H35

(No.MB053)1-9 3.1.3 Removing the CD player assembly (See Fig.6,7) • Prior to performing the following procedure, remove the rear panel and the left and right side panels. (1) Disconnect the card wires from the two connectors CN603 and CN604 on the ...

[Page 10] JVC UX-H35

1-10 (No.MB053) 3.1.4 Removing the power amplifier board and heat sink (See Fig.8~10) • Prior to performing the following procedure, remove the rear panel, the left and right side panels, and the CD player assem- bly. (1) Remove the five screws E a...

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(No.MB053)1-11 3.1.5 Removing the tuner board (See Fig.11) • Prior to performing the following procedure, remove the rear panel, the left and right side panels, and the CD player assem- bly. (1) Remove the screw H attaching the tuner board from the...

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1-12 (No.MB053) 3.1.7 Remove the power transformer and power supply board (See Fig.14,15) • Prior to performing the following procedure, remove the rear panel, the left and right side panels, the CD player assembly, the power amplifier board and th...

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(No.MB053)1-13 3.1.8 Remove the cassette mechanism assembly (See Fig.16,17) • Prior to performing the following procedure, remove the front panel assembly. (1) Disconnect the card wire from the connector CN713 on the LCD system CPU board. (2) Remo...

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1-14 (No.MB053) 3.1.9 Remove the LCD system CPU board (See Fig.18) (1) Disconnect the wire from the connector CN716 on the LCD system CPU board. (2) Release the two joints f and pull out the LCD system CPU board. Fig.18 3.1.10 Removing the operating...

[Page 15] JVC UX-H35

(No.MB053)1-15 3.2 Cassette mechanism assembly 3.2.1 Removing the Play/Record & Clear head (See Fig.1~3) (1) While moving the trigger arm on the right side of the head mount in the direction of the arrow, turn the flywheel R counterclockwise unti...

[Page 16] JVC UX-H35

1-16 (No.MB053) 3.2.2 Removing the head amplifier & mechanism control board (See Fig.4) (1) Turn over the cassette mechanism assembly and remove the three screws A attaching the head amplifier & mecha- nism control board. (2) Disconnect the f...

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(No.MB053)1-17 3.2.4 Removing the flywheel (See Fig.8, 9) • Prior to performing the following procedure, remove the head amplifier & mechanism control board and the main motor as- sembly. (1) From the front side of the cassette mechanism, remov...

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1-18 (No.MB053) 3.2.6 Reattaching the Play/ Record & Clear head (See Fig.11~13) (1) Reattaching the head mount assembly. a) Change front of the direction cover of the head mount assembly to the left (Turn the head forward). b) Fit the bosses O&ap...

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(No.MB053)1-19 SECTION 4 ADJUSTMENT 4.1 Measurement Instruments Required for Adjustment (1) Low frequency oscillator This oscillator should have a capacity to output 0dBs to 600Ω at an oscillation frequency of 50Hz-20kHz. (2) Attenuator impedance :...

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1-20 (No.MB053) 4.3 Cassette mechanism adjustment Motor speed VR37 BIAS adjust VR31 Mecha control board Head azinuth adjustment screw (Forward side) Head azinuth adjustment screw (Reverse side) Head azinuth adjustment screw (Forward side) Head azinut...

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(No.MB053)1-21 4.3.1 Mechanism section 4.3.2 Electrical adjustment Item Condition Measurement method Ref. value Adjustment position Head azimuth Test tape :VT703L (8kHz) Output terminal :Speaker out (1) Playback the test tape VT703L (8kHz). (2) Adju...

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1-22 (No.MB053) 4.3.3 Electrical response confirmation Item Condition Measurement method Ref. value Adjustment position Recording bias current • Forward or Reverse • Test tape : TYPE ll (AC-514) • Measurement terminal : BIAS test point on p...

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(No.MB053)1-23 SECTION 5 TROUBLESHOOTING 5.1 Flow of functional operation until TOC read (CD) Slider turns REST SW ON. Automatic tuning of TE offset Laser ON Detection of disc Automatic measurement of Focus A-curve amplitude Automatic tuning of...

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1-24 (No.MB053) 5.2 Maintenance of laser pickup (CD) (1) Cleaning the pick up lens Before you replace the pick up, please try to clean the lens with a alcohol soaked cotton swab. (2) Life of the laser diode When the life of the laser diode has expir...

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(No.MB053)1-25 ...

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(No.MB053) 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 ...

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SCHEMATIC DIAGRAMS MICRO COMPONENT SYSTEM No.MB053SCH 2003/9 COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD. UX-H35 CD-ROM No.SML200309 Contents Block diagram --------------------------------------------------------------------- 2-1 Standard schema...

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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 " " ma...

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2-1 Block diagram T+,T– F+,F– MB TRD,FOD ECM,ECS TVD,TRV KICK A,B,C,D E,F,LD,MD OFT,BDO ARF,RFENV TBAL,FBAL FE,TE GCTL,RFDET VDET XRST,STAT,SUBQ SQCK,BLKCK,MLD MDATA,MCLK FLAG,SCD REST OUTL OUTR BTLM L+,L– R+,R– MS,PBL,PBR RECL,RECR STTA,SDAT...

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2-2 Parts are safety assurance parts. When replacing those parts make sure to use the specified one. F901 J901 L901 D905 F903 L901 J902 F901 L901 J901 D905 F903 J902 F901 J901 L901 D905 F903 J902 F901 J901 S901 D905 F903 J902 F901 J901 D905 F903 J902...

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2-3 Parts are safety assurance parts. When replacing those parts make sure to use the specified one. R9015 Q9006 Q9002 Q9001 R9013 D3151 R9012 C9003 Q3151 Q9003 W306 R3153 C2958 R9304 Q9301 C9070 Q9302 CN301 L2100 R1307 Q9070 R9301 CN305 R2300 R1300 ...

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2-4 IC931 R7003 R7071 CN714 CN711 R7072 CN712 R7030 R7038 R7031 R7032 R7033 DI701 R7034 R7022 R7021 R7023 R7029 R7070 D7009 K7002 D7001 R7028 CN713 Q7002 C7021 X7001 C7018 C7019 IC750 C7008 R7057 Q7003 C7012 C7010 R7056 R7055 R7025 R7051 D7004 D7007 ...

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2-5 Parts are safety assurance parts. When replacing those parts make sure to use the specified one. IC603 C651 C603 R617 R610 C618 R605 R606 C619 R607 R609 R612 C620 C623 R641 C608 C653 R644 C674 C629 R642 IC604 C692 C693 C676 R643 C675 R647 R646 C6...

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2-6 Parts are safety assurance parts. When replacing those parts make sure to use the specified one. C204 R301 R210 R206 VR31 Q376 Q371 R339 D375 CN33 C104 R302 CN34 IC33 R353 C221 IC32 R310 R305 R347 R121 R221 Q347 C202 R371 R107 R304 FW100 R208 R33...

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2-7 TU1 C80 R43 CF3 R5 CF1 C10 C81 C51 IC3 C74 C12 C11 R15 CN1 C14 C15 C13 L1 R16 C75 C1 L70 L3 C16 R29 R41 R21 R28 C9 C54 C22 C72 R27 C25 C6 CF2 C18 R17 C45 R38 C44 C50 C42 R39 C43 R37 C21 C36 R31 C73 C48 C7 R32 C23 C76 C24 D1 C28 T1 C71 C70 D2 D3 D...

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2-8 Printed circuit boards C902 C901 C903 C904 CN901 D901 D902 D904 D903 D905 Z901 Z913 Z902 T901 J902 L901 R901 S901 Z912 Z903 Z911 PP901 J901 C1100 C1101 C1102 C1103 C1104 C1105 C1300 C13...

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2-9 Micon board Tuner board Switch board BL702 BL701 FW701 B59 C10 C11 C12 C13 C14 C15 C16 C17 C18 C19 C1 C20 C21 C22 C23 C24 C2 C30 C31 C32 C33 C34 C35 C36 C37 C38 C39 C40 C41 C42 ...

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2-10 Cassette (switch) board Cassette board D1 FW100 R371 VR37 P1 SW1 SW6 CN1 SW2 SW5 IC1 C201 C102 C103 C105 C106 C107 C209 C110 C113 C121 C101 C202 C203 C205 C206 C207 C109 C210 C213 C221...

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< MEMO > ...

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VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB053SCH) Printed in Japan WPC ...

[Page 41] JVC UX-H35

No. MB053 3-1 PARTS LIST * All printed circuit boards and its assemblies are not available as service parts. - Contents - Exploded view of general assembly and parts list (Block No.M1) Speaker assembly and parts list (Block No.M2) Cassette mecha...

[Page 42] JVC UX-H35

3-2 Exploded view of general assembly and parts list Block No. M M M 1 c g i LCD s light b LCD CPU A f h B h d CD servo control baord f g 66 44 42 49 48 47 46 38 41 37 39 78 40 50 50 20 20 23 24 22 8 1 2 21 76 76 50 88 30 29 32 32 31 68 33 3...

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3-3 Head amplifier & mechanism control board Power ampliifier board D1 D LCD system light board LCD system CPU board e d i b C E D1 B1 e B B1 Power supply board j C E D A b c j Tuner board 66 13 25 14 28 26 28 52 51 84 87 64 27 86 53 54 55 8...

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3-4 General assembly Block No. [M][1][M][M]  Symbol No. Part No. Part Name Description Local 1 GV10127-004A FRONT PANEL 2 GV40077-002A JVC BADGE 3 GV20202-002A PUSH BUTTON 4 QYSBSF2608Z TAPPING SCREW 2.6mm x 8mm(x2) 5 QYSBSF2608Z TAPPING...

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3-5 Speaker assembly and parts list Speaker Block No. [M][2][M][M] Block No. M M M 2 7 4 2 3 3 3 3 1 5 6 6  Symbol No. Part No. Part Name Description Local 1 J201XH3500B10 CLOTH FRAME (x2) 2 J200XH3000B00 FRONT PANEL (x2) 3 J282XH3000B00 LAT...

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3-6 Cassette mechanism assembly and parts list Grease = EM-30L =UD-24 =LEN-320M =MOBIL-1 1 27 13 3 34 2 8 15 10 14 16 7 12 23 3 2 4 9 6 5 24 29 25 22 17 20 19 18 11 21 31 36 26 33 28 32 33 32 30 1 11 6 5 SLC-S302M Block No. M MM P Switch board The l...

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3-7 Cassette mechanism Block No. [M][P][M][M]  Symbol No. Part No. Part Name Description Local 1 VKS1165-00L CHASSIS B. ASSY 2 VKS2274-002 REEL GEAR (x2) 3 VKW5286-002 B.T. SPRING (x2) 4 VKS5559-001 PLAY IDLE GEAR 5 VKS5595-002 BLIND 6...

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3-8 Electrical parts list Main board Block No. [0][1][0][0]  Symbol No. Part No. Part Name Description Local  IC300 LA4663 POWER IC IC301 HA17558A IC IC302 LC75342 IC IC601 AN22000A-W IC  IC602 LA6541-X IC IC603 MN662748RPMFA IC IC604 KIA78S...

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3-9 C2503 QTE1V06-106Z E CAPACITOR 10uF 35V C2504 QFVF1HJ-104Z MF CAPACITOR 0.1uF 50V J C2505 QFVF1HJ-104Z MF CAPACITOR 0.1uF 50V J C2506 QFLC1HJ-272Z M CAPACITOR 2700pF 50V J C2507 QETN1HM-475Z E CAPACITOR 4.7uF 50V M C2508 QETN1HM-475Z E CAPACITOR ...

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3-10 Micon board Block No. [0][2][0][0] R9001 QRE141J-1R0Y C RESISTOR 1 Ω 1/4W J R9002 QRE141J-1R0Y C RESISTOR 1 Ω 1/4W J R9003 QRE141J-1R0Y C RESISTOR 1 Ω 1/4W J R9004 QRE141J-471Y C RESISTOR 470 Ω 1/4W J R9005 QRE141J-152Y C RESISTOR 1....

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3-11 C58 NCB31CK-473X C CAPACITOR 0.047uF 16V K C59 NCB31HK-102X C CAPACITOR 1000pF 50V K C77 NCB31HK-681X C CAPACITOR 680pF 50V K C7000 NCB31CK-104X C CAPACITOR 0.1uF 16V K C7001 NCB31CK-104X C CAPACITOR 0.1uF 16V K C7002 NCB31CK-104X C CAPACITOR 0....

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3-12 Cassette switch board Block No. [0][3][0][0] Head amplifier board Block No. [0][4][0][0] R7513 NRSA63J-392X MG RESISTOR 3.9k Ω 1/16W J L1 QQR0796-003 COIL BLOCK L3 QQL231K-4R7Y COIL 4.7uH K L7001 QQL231K-100Y COIL 10uH K L7002 QQL231K-470Y CO...

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3-13 R206 QRE141J-113Y C RESISTOR 11k Ω 1/4W J R207 QRE141J-912Y C RESISTOR 9.1k Ω 1/4W J R208 QRE141J-273Y C RESISTOR 27k Ω 1/4W J R210 QRE141J-103Y C RESISTOR 10k Ω 1/4W J R216 QRE141J-102Y C RESISTOR 1k Ω 1/4W J R221 QRE141J-153Y C ...

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3-14 Packing materials and accessories parts list Block No. M M M 3 P5 A1, P3 P4 P2 P8 P8 P6 P6 P1 A8 P7 P7 A2,A3,A4, A5,A6,A7 ...

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3-15 Packing and accessories Block No. [M][3][M][M]  Symbol No. Part No. Part Name Description Local A 1 GVT0101-005A INST BOOK ENG A 2 QAL0457-001 ANT.WIRE A 3 QAL0014-001 AM LOOP ANT  A 4 QMPH010-183-JD POWER CORD(AST) 1.83m BLACK A 5 RM...