JVC HX-Z10 Service Manual

Compact component system

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Service manual (69 pages)

Instructions manual (70 pages)

Instructions manual (36 pages)

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Page 1 SERVICE MANUAL COMPACT COMPONENT SYSTEM MB014 2003 HX-Z10 Area Suffix B -------------------------- U.K. E ------ Continental Europe EN ------- Northern Europe TABLE OF CONTENTS PRECAUTIONS ............... 1-3 SPECIFIC SERVICE INSTRUCTIONS .
Page 2 SPECIFICATION CA-HXZ10 Amplifier section Output Power (IEC 268-3) 125 W per channel, min. RMS, driven into 6 Ω at 63 Hz with no more than Subwoofer 10% total harmonic distortion. 35 W per channel, min. RMS, driven into 6 Ω at 1 kHz with no more than 10% Main Speaker total harmonic distortion.
Page 3 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 4 SECTION 3 DISASSEMBLY Main body 3.1.1 Removing the metal cover Metal cover (See Fig.1~3) (1) Remove the six screws A on the back of the body. (2) Remove the screw B on each side of the body. (3) Remove the metal cover from the body by lifting the rear part of the cover.
Page 5 3.1.2 Removing the CD changer mechanism assembly (See Fig.4, 5) • Prior to performing the following procedure, remove the metal CD changer mechanism assembly cover. (1) Disconnect the card wire from connector CN651 on the CD Front panel assemby servo control board on the right bottom of the CD changer mechanism assembly.
Page 6 3.1.3 Removing the front panel assembly (See Fig.6~9) • Prior to performing the following procedure, remove the metal Front panel assembly cover and the CD changer mechanism assembly. (1) Disconnect the card wires from connector CN44 CN870 on the main board on the right side of the body. (2) Disconnect the wire from connector CN701 on the bridge...
Page 7 3.1.4 Removing the tuner pack assembly (See Fig.10, 11) • Prior to performing the following procedure, remove the metal Tuner pack assembly cover and the CD changer mechanism assembly. (1) Disconnect the card wire from connector on the tuner pack assembly on the right side of the body. (2) Remove the two screws E on the rear panel on the back of the body.
Page 8 3.1.5 Removing the rear panel (See Fig.10, 12~16) • Prior to performing the following procedure, remove the metal Rear panel cover and the CD changer mechanism assembly. (1) Remove holding board by remove a plastic rivet and then slide out the holding board as shown in fig. 12. (2) Disconnect the fan wire extending from the fan assembly from connector CN206...
Page 9 3.1.6 Rmoving the fan assembly (See Fig.17, 18) • Prior to performing the following procedure, remove the metal cover, the CD changer mechanism assembly and the rear pan- (1) Cut the band with for fan wire holder. (2) Remove two screws G on the rear panel. (3) Rotate fan assembly in clockwise direction to release fan assembly from rear panel (joints c).
Page 10 3.1.8 Removing the bridge board / regulator board / heat sink (See Fig.20~23) • Prior to performing the following procedure, remove the metal Bridge board cover, the CD changer mechanism assembly, the rear panel and main board. Heat sink (1) Disconnect the wire from connector CN212, CN213 CN214 on the primary board respectively and remove the...
Page 11 3.1.9 Removing the power transformer assembly (See Fig 24, 25) • Prior to performing the following procedure, remove the metal cover, the CD changer mechanism assembly, the rear panel, Power transformer the main board and the bridge board / regulator board. assembly (1) Remove the screw N attaching the primary board.
Page 12 3.1.13 Rmoving the switch / micon board (See Fig.27~29) • Prior to performing the following procedure, disconnect the card wire from CN43 on the micon board. (1) Disconnect the card wire from connector CN840 on the mi- con board. Switch board (2) Remove the fifteen screws S attaching the switch / micon board.
Page 13 3.1.14 Removing the FL board assembly (See Fig.30, 31) • Prior to performing the following procedure, remove the switch / micon board. (1) Remove the five screws T attaching the stay bracket (1). (2) Remove the three screws U attaching the FL board as- sembly.
Page 14 3.1.15 Removing the button board (See Fig.32~34) • Prior to performing the following procedure, remove the switch /micon board. (1) Pull out the preset knob, the volume knob and the sound mode knob. (2) Remove the two screws V attaching the knob holder. Re- move the nut from the front panel.
Page 15 CD changer mechanism 3.2.1 Removing the tray assembly (See Fig.1 ~ 5) Open det lever (1) Remove the two screws A from the top cover and release the two joints a on both sides of the body. (2) Remove the top cover with the two rods attached to the top cover and lifter assembly respectively.
Page 16 3.2.2 Removing the servo control board Card wire (See Fig.6 ~ 9) Caution: Short round Solder the short-circuit point on the pickup before disconnect- ing the card wire extending from the pickup. If you do not follow this instruction, the pickup may be damaged. (1) Disconnect the card wire from connector CN251 and each...
Page 17 3.2.4 Removing the motor board (See Fig.10 , 11) • Prior to performing the following procedure, remove the servo control board. (1) Turn over the body and remove the two screws D. Move the CD module bkt. in the direction of the arrow to release two joints f.
Page 18 3.2.5 Removing the CD tramecha assembly (See Fig.12) • Prior to performing the following procedure, remove the servo control board. (1) Turn over the body and remove the three screws F attach- ing the tramecha. CD Tramecha assembly Fig.12 (No.MB014)1-21...
Page 19 3.2.6 Removing the pickup (See Fig.13 , 14) Mecha base • Prior to performing the following procedure, remove the servo Pickup assembly control board and CD tramecha assembly. (1) From top of the CD tramecha assembly, turn the cam gear in the direction of the arrow to move the pickup assembly outward.
Page 20 3.2.7 Removing the side (L)/ tray switch board (See Fig.15 ~ 17) • Prior to performing the following procedure, remove the tray assembly. (1) Remove the two screws H attaching the side (L) on top of the body. (2) From the side of the body, remove the spacer fixing the tray switch board and motor board.
Page 21 3.2.8 Removing the side (R) assembly Side (R) assembly (See Fig.18 ~ 22) • Prior to performing the following procedure, remove the tray assembly. (1) Push and release the two tabs m of the gear cover through the two notches inside the side (R) assembly. Remove the gear cover outward.
Page 22 3.2.9 Removing the lifter assembly Hook (See Fig.23 ~ 27) • Prior to performing the following procedure, remove the tray assembly and side (L)/ side (R) assembly. (1) From top of the body, turn the 1 gear clockwise to move the lifter assembly upward as shown in Fig.24.
Page 23 3.2.10 Removing the rack holder assembly/ sensor assembly (See Fig.28 ~ 33) • Prior to performing the following procedure, remove the tray 1 gear assembly, side (L)/ side (R) assembly, lifter assembly. Attention: If the slide gear of the body places at joint w of the rack holder assembly, turn the 1 gear counterclockwise to move the slide gear toward the front.
Page 24 Sensor board Soldering point SV resister Sensor assembly Sensor braket Sensor slider Fig.32 Spring Sensor assembly Fig.30 Sensor slider Spring Slide gear Fig.31 Slide lever Spring Fig.33 (No.MB014)1-27...
Page 25 3.2.11 Removing the motor (See Fig.34 ,35) • Prior to performing the following procedure, remove the servo control board and top cover. Attention: You need not to remove the tray assembly, and in such case, move it. (1) Remove the two belts on top of the body. Motor (2) Remove the four screws N attaching the motor.
Page 26 3.2.12 Taking out the CD in play mode Tray assembly (See Fig.36 ~ 39) Attention: Refer to “Removing the tray assembly”. (1) Remove the top cover upward. (2) Unlock the tray assembly and draw out the tray assembly toward the front. (3) From top of the body, turn the 1 gear clockwise to move the lifter assembly upward.
Page 27 Cassette mechanism assembly 3.3.1 Removing the Play/Record & Clear head Cassette mechanism assembly Fly wheelR (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 until the head mount comes ahead and clicks.
Page 28 3.3.2 Removing the head amplifier & mechanism control board (See Fig.4) (1) Turn over the cassette mechanism assembly and remove Main motor assembly the three screws A attaching the head amplifier & mecha- nism control board. Capstan belt (2) Disconnect the flexible wire from connector CN31 on the head amplifier &...
Page 29 3.3.4 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, remove the slit washers attaching the capstan shaft L and R. Pull out the flywheels backward.
Page 30 3.3.6 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', P', Q', U' and V' on the head mount assembly to the holes P and V, the slots O, U and Q of the mechanism sub assembly (See Fig.11 to 13).
Page 31 Speaker section 3.4.1 Removing the Side cover (See Fig.1) (1) Removing the eight screws A on the side of the body. Fig.1 3.4.2 Removing the sub woofer (See Fig.2) • Prior to performing the following procedure, remove the side cover. (1) Remove the four screws B attaching the sub woofer on the side of the body.
Page 32 3.4.3 Removing the Front panel (See Fig.3, 4) • Prior to performing the following procedure, remove the side cover. Front cover CAUTION: When removing the front panel from the body, do not break or damage them that are glued at the joint a (See Fig.3). (1) Remove the four screws C attaching the front panel.
Page 33 3.4.5 Removing the woofer Woofer (See Fig.5) • Prior to performing the following procedure, remove the side cover and the front panel. (1) Remove the four screws E attaching the woofer. (2) Disconnect the red and black wires from the two terminals on the woofer.
Page 34 SECTION 4 ADJUSTMENT Measurement Instruments Required for Adjustment (1) Low frequency oscillator 4.2.2 Tuner section This oscillator should have a capacity to output 0dBs to FM tuning range: 87.5MHz~108.00MHz 600Ω at an oscillation frequency of 50Hz-20kHz. AM tuning range: 522kHz~1,629kHz (2) Attenuator impedance : 600Ω...
Page 35 Cassette mechanism adjustment Head azinuth Head azinuth adjustment screw adjustment screw (Forward side) (Reverse side) CN31 Head azinuth Head azinuth R/P head, Erase head adjustment screw adjustment screw (Forward side) (Reverse side) Mecha control board VR37 R371 FW100 Motor speed CN33 VR37 C374...
Page 36 4.3.1 Mechanism section Adjustment Item Condition Measurement method Ref. value position Head azimuth Test tape (1) Playback the test tape VT703L (8kHz). Maximum output Only adjust :VT703L (8kHz) (2) Adjust to maximum output level by azi- at changed Output terminal muth adjustment screw for forward side head :Speaker out...
Page 37 4.3.2 Electrical adjustment Adjustment Item Condition Measurement method Ref. value position Recording BIAS • Forward or Reverse (1) Set the test tape(AC-514 TYPE ll and AC-225 VR31 adjustment • Test tape AC-225 TYPE l), then make REC/ : 4.20µA : AC-514 TYPE ll PAUSE condition.
Page 38: Trouble Shooting
SECTION 5 TROUBLE SHOOTING Flow of functional operation untill TOC read (CD) Check Point Slider turns REST Play Key Power ON Confirm that the voltage at the pin5 SW ON. of CN801 is "H"\"L"\"H". Automatic tuning of TE offset Check that the voltage at the Laser ON pin40 of IC651 is + 5V? Detection of disc...
Page 39 Maintenance of laser pickup (CD) Replacement of laser pickup (CD) (1) Cleaning the pick up lens Before you replace the pick up, please try to clean the lens Turn off the power switch and, disconnect the with a alcohol soaked cotton swab. power cord from the ac outlet.
Page 40: Block Diagram
Block diagram J411 HPSW AUXL,AUXR AUX IN IC32 RECL,RECR AUDIO VOLTAGE SIGNAL REGULATOR PBL,PBR CTS3 PROCESSOR & TUNER BRIDGE MODULE TDATA REC/PLAY DATA HPMUTE PBMUTE FREQuency CK,TUCE IC33 RESPONSE Adj. RECH MUTE VL,-VL SERIAL TO PARALLEL HPMUTE RELAY L301 BIAS SPEAKER RECB PORT EXTENSION...
Page 41 Standard schematic diagrams Primary section CN214 CN214 QGA3901C1-05 F103 QGA3901C1-05 D236 D233 2A02-M 2A02-M T3.15AL 2A02-M 2A02-M F103 3.15A-125V T001 D236 D233 T001 QQT0393-001 F102 F102 QQT0393-002 8A-125V D235 D234 T5AL D235 D234 2A02-M 2A02-M F101 2A02-M 2A02-M F101 8A-125V T5AL F001 F001...
Page 42 Q713 MTZJ9.1B-T2 KTC1027/OY/-T D622 Q612 2SA1175/FE/-T CN701 R668 QGD2503F1-04 C722 R602 47/16 R676 C622 Q737 KRA111M-T R736 10/35V Q736 4.7K 2SC3576-JVC-T C721 R775 R734 Q734 47/16 2SC3576-JVC-T 4.7K C709 C731 C730 C710 C609 C601 C610 C602 0.022 0.022 4.7P 4.7P...
Page 43 C401 C402 220P 220P R402 RECR R403 C403 CN11 0.022 R404 QGF1205F1-11 C404 D522 0.01 B4904 R405 PBMUTE Q401 TDATA 2SC3576-JVC-T R407 DATA R489 TUCE 4.7K C522 R488 R406 C473 C523 D466 D467 0.027 2.2M 4.7K C467 0.015 C488 C489...
Page 44 System / FL control section R900 R901 R902 R903 R904 R905 R906 R907 R908 R909 R910 1.2K 1.5K 2.2K 2.7K 3.9K 5.6K KEY1 DGND D962 R961 SBYLED SLR-342VC-T FL801 QLF0111-001 L806 D980 MTZJ5.1B HPSW L805 QQR1183-001Z C801 QQR1183-001Z SUB5V C980 ECON 4.7/50 C802...
Page 45 CD servo control section CN251 QGF1036F1-15 TR3_CL TR2_CL C201 CN653 TR4_CL 0.1/16 TR1_CL TR5_CL S.TR_ST M.TR_OP BR24C08FV-X R601 5.6k TBAL C603 POS_UP FBAL R283 TR_OP R282 COPY 0.1/16 R602 POS_DOWN R267 TXTCK TP622 3.9k TR_CL C604 /DR_MUTE TXTD CN651 QGF1036F1-17 EQX5 R281 TXD0...
Page 46 MSI-5U2LWA R371 R108 RECL R106 R302 R110 2.2K CN42 Q342 QGF1205F1-09 C104 VR37 KRA111M-T C102 QVP0077-103Z 0.01 220p Q343 R306 2SC3576-JVC-T 4.7K R336 Q344 R344 C340 2SC3576-JVC-T 47/50V CN32 4.7K QGF1205F1-09 R339 C341 Q345 100K R345 C304 1/50V 2SC3576-JVC-T 10/16V R304 4.7K...
Page 47 Printed circuit boards Audio I/O board IC701 IC304 IC360 IC305 IC303 D703 D723 D315 C705 D704 D304 D724 D313 C709 R724 D360 R742 R707 C308 C302 R301 R741 C304 D362 C307 Q713 D305 C721 R701 C305 C738 R734 L701 R778 Q725 L702 C712...
Page 48 D962 Switch board S910 S909 S908 S907 S906 S905 S904 S901 S911 S903 S902 S900 R961 R909 R908 FL board D972 C807 S950 S940 S941 JS960 JS958 JS962 S949 Front board S942 S948 R948 S943 S947 S945 S944 S946 R945 R946 R947 R944...
Page 49 Cassette board (forward side) VR37 R371 CD board (forward side) CN252 CN253 IC201 FW100 CN251 C259 R267 IC251 R257 CN33 R278 R283 R281 R284 R256 R282 R285 R286 R287 R288 R264 PP300 C633 R289 R263 R290 R291 R292 R635 R262 R607 R261 B343...
Page 50 Exploded view of general assembly and parts list Block No. 59 59...
Page 51 Speaker board Main board...
Page 52 GV10129-003A FRONT PANEL QYSBSG3010Z TAPPING SCREW 3mm x 10mm(x2) GV40313-001A FELT SPACER (x2) QYSBSGY3008E SPECIAL SCREW 3mm x 8mm(x2) GV40077-002A JVC BADGE QYSBSGY3008E SPECIAL SCREW 3mm x 8mm GV30417-002A PUNCHING NET GV10110-001A/S/ METAL COVER GV40382-001A MIRROR SHEET QYSDSG3006M TAP SCREW...
Page 53 Speaker assembly and parts list Block No. (SP-HXZ10EM) Speaker Block No. [M][2][M][M]  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local 439929453561 SCREW M4X20 (x12) 439929453571 SCREW M4X16 (x8) 439929453581 SCREW M4X14 (x20) 249929723306 TWEETER ASSY...
Page 54: Cd Changer Mechanism Assembly And Parts List
CD changer mechanism assembly and parts list Block No. FMU-SC6-1M Grease =JVG-31N =JVS-1003...
Page 55 CD changer mechanism Block No. [M][A][M][M]  Symbol No. Part No. Part Name Description Local LV10743-001A CHASSIS ASSY LV43278-001A SENSOR SPRING LV33961-001A SENSOR SLIDER LV33962-001A SENSOR BRACKET QYSDST2605Z SCREW 2.6mm x 5mm(x2) QVY0027-B14 S V RESISTOR QYSDST2004Z SCREW 2mm x 4mm QAR0164-001 MOTOR (x2)
Page 56: Cd Mechanism Assembly And Parts List
CD mechanism assembly and parts list Block No. Grease & Bond FXL-M75T-2M = JVG-31N CD mechanism Block No. [M][B][M][M]  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local QGA2001F1-06 CONNECTOR W-B (1-6) QSW0506-001 LEAF SW E75832-221SS...
Page 57: Cassette Mechanism Assembly And Parts List
Cassette mechanism assembly and parts list Block No. SLC-S302M Grease = EM-30L =UD-24 =LEN-320M =MOBIL-1 The lower side Switch board Head amplifier board...
Page 58: Cassette Mechanism
Cassette mechanism Block No. [M][P][M][M]  Symbol No. Part No. Part Name Description Local VKS1165-00N CHASSIS B. ASSY VKS2274-002 REEL GEAR (x2) VKW5286-002 B.T. SPRING (x2) VKS5559-001 PLAY IDLE GEAR VKS5595-002 BLIND VKS5560-003 FR IDLE GEAR LV42013-001A EARTH SPRING SLC-RP4SVM HEAD MOUNT ASSY VKY3149-002 CASSETTE SP.
Page 59: Electrical Parts List
Electrical parts list Power board Block No. [0][1][0][0]  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C729 QETN1CM-476Z E CAPACITOR 47uF 16V M C730 FQCF31HZ-223Z D.CAPACITOR  IC303 KIA7808API Regulator C731 FQCF31HZ-223Z D.CAPACITOR...
Page 60 Q492 2SC2785/FE/-T TRANSISTOR C260 QETN1EM-476Z E CAPACITOR 47uF 25V M Q493 2SC2785/FE/-T TRANSISTOR C401 QCBB1HK-221Y C CAPACITOR 220pF 50V K Q513 2SC3576-JVC-T TRANSISTOR C402 QCBB1HK-221Y C CAPACITOR 220pF 50V K Q514 2SC3576-JVC-T TRANSISTOR C403 FQCF31HP-223Z M CAPACITOR Q515 2SC3576-JVC-T TRANSISTOR...
Page 61  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C450 QETN1AM-477Z E CAPACITOR 470uF 10V M C734 QFLC1HJ-332Z M CAPACITOR 3300pF 50V J C451 QETN1HM-106Z E CAPACITOR 10uF 50V M C735 QFLC1HJ-332Z M CAPACITOR 3300pF 50V J...
Page 62: Front Board
 Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R492 QRE141J-101Y C RESISTOR 100Ω 1/4W J R726 QRE141J-104Y C RESISTOR 100kΩ 1/4W J R493 QRE141J-224Y C RESISTOR 220kΩ 1/4W J R731 QRZ9006-4R7X F.RESISTOR 4.7Ω...
Page 63  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local D804 1SS119-041-T2 DIODE R813 QRE141J-102Y C RESISTOR 1kΩ 1/4W J D806 1SS119-041-T2 DIODE R814 QRE141J-103Y C RESISTOR 10kΩ 1/4W J D807 1SS119-041-T2 DIODE R815 QRE141J-103Y...
Page 64  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R919 QRE141J-221Y C RESISTOR 220Ω 1/4W J S907 QSW0825-001Z TACT SW R920 QRE141J-101Y C RESISTOR 100Ω 1/4W J S908 QSW0825-001Z TACT SW R921 QRE141J-101Y C RESISTOR...
Page 65  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C652 NCB31CK-104X C CAPACITOR 0.1uF 16V K R624 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J C653 NCB31CK-104X C CAPACITOR 0.1uF 16V K R625 NRSA63J-0R0X MG RESISTOR 0Ω...
Page 66 TRANSISTOR R221 QRE141J-153Y C RESISTOR 15kΩ 1/4W J Q342 KRA111M-T DIGI TRANSISTOR R301 QRE141J-221Y C RESISTOR 220Ω 1/4W J Q343 2SC3576-JVC-T TRANSISTOR R302 QRE141J-222Y C RESISTOR 2.2kΩ 1/4W J Q344 2SC3576-JVC-T TRANSISTOR R303 QRE141J-222Y C RESISTOR 2.2kΩ 1/4W J Q345...
Page 67  Symbol No. Part No. Part Name Description Local  R353 QRZ9005-100X FUSI RESISTOR 10Ω R371 QRE141J-123Y C RESISTOR 12kΩ 1/4W J R372 QRE141J-102Y C RESISTOR 1kΩ 1/4W J R375 QRE141J-151Y C RESISTOR 150Ω 1/4W J R376 QRE141J-472Y C RESISTOR 4.7kΩ...
Page 68: Packing Materials And Accessories Parts List
Packing materials and accessories parts list Block No. A5,A6,A7, 3-20...
Page 69 Packing and accessories Block No. [M][3][M][M]  Symbol No. Part No. Part Name Description Local GVT0100-008A INST BOOK HXZ10B SWE,FIN,DAN,GER, GVT0100-007A INST BOOK HXZ10EN FRE,SPA,ITA GVT0100-006A INST BOOK GER,FRE,DUT HXZ10E QAL0014-001 AM LOOP ANT QAL0457-001 ANT.WIRE RM-SHXZ10R REMOCON ------------------ BATTERY (x2) BT-54013-5 WARRANTY CARD...

JVC HX-Z10 Service Manual

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