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SERVICE MANUAL COMPACT COMPONENT SYSTEM MB043 2003 HX-Z30 Area Suffix UW ------ Brazil,Peru,Mexico TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
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SPECIFICATION Amplifier section-CA-HXZ30 135 W per channel, min. RMS, driven into 6 Ω at 63 Hz with Output Power (IEC 268-3) SUBWOOFERS no more than 10% total harmonic distortion. 55 W per channel, min. RMS, driven into 6 Ω at 1 kHz with MAIN SPEAKERS no more than 10% total harmonic distortion.
SECTION 3 DISASSEMBLY Main body 3.1.1 Removing the metal cover (See Fig.1~3) (1) Remove the six screws A on the back of the body. Metal cover (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.
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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.
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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...
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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.
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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...
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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 panel. (1) Cut the band holding the fan wire. (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).
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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...
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3.1.9 Removing the power transformer assembly (See Fig 24, 25) • Prior to performing the following procedure, remove the metal Power transformer cover, the CD changer mechanism assembly, the rear panel, assembly the main board and the bridge board / regulator board. (1) Remove the screw N attaching the primary board.
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Front panel assembly • Prior to performing the following procedure, remove the metal cover, the CD changer mechanism assembly and the front panel assembly. 3.2.1 Removing the cassette mechanism assembly (See Fig.26) (1) Disconnect the card wire from connector CN33 on the head Head amplifier &...
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3.2.4 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 assembly.
3.2.5 Removing the button board (See Fig.32~35) • 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. Remove the nut from the front panel.
CD changer mechanism 3.3.1 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.
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3.3.2 Removing the servo control board Card wire (See Fig.6 ~ 9) Caution: Short round Solder short-circuit point pickup before disconnecting 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...
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• 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. (2) Unsolder the four soldered parts on the motor of the motor board.
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3.3.5 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 attaching the tramecha. CD Tramecha assembly Fig.12 1-20 (No.MB043)
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3.3.6 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.
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3.3.7 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.
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3.3.8 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.
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3.3.9 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.
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3.3.10 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.
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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 1-26 (No.MB043)
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3.3.11 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.
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3.3.12 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.
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Cassette mechanism assembly 3.4.1 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.
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3.4.2 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 & mechanism control board. Capstan belt (2) Disconnect the flexible wire from connector CN31 on the head amplifier &...
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3.4.4 Removing the flywheel (See Fig.8, 9) • Prior to performing the following procedure, remove the head amplifier & mechanism control board and the main motor assembly. (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.
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3.4.6 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).
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Speaker section 3.5.1 Removing the Side cover (See Fig.1) (1) Removing the eight screws A on the side of the body. Fig.1 3.5.2 Removing the sub woofer (See Fig.2) • Prior to performing the following procedure, remove the side cover. (1) Remove the six screws B attaching the sub woofer on the side of the body.
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3.5.3 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.
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3.5.5 Removing the woofer (See Fig.5) • Prior to performing the following procedure, remove the side Woofer 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.
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 Voltage applied to tuner +B : DC5.7V 600Ω at an oscillation frequency of 50Hz-20kHz. VT : DC 12V (2) Attenuator impedance : 600Ω...
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CD changer mechanism adjustment When a mechanism or a printed circuit board, it is required to write a mechanism position in E2PROM. A write-in procedure step1 : Press together the Reverse key (main body) and Clock key of main body at standby condition. step2 : Keep this condition then power switch to turn ON.
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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...
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4.4.1 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...
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4.4.2 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.
SECTION 5 TROUBLESHOOTING 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...
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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.
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 PBMUTE HPMUTE FREQuency CK,TUCE IC33 RESPONSE Adj. RECH MUTE VL,-VL SERIAL TO PARALLEL HPMUTE RELAY L301 BIAS SPEAKER RECB PORT EXTENSION...
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SPACER GV10129-002A FRONT PANEL GV40121-006A SPACER GV40313-001A FELT SPACER (x2) QYSBSF3012E SPECIAL SCREW 3mm x 12mm(x2) GV40077-002A JVC BADGE QYSBSG3010Z TAPPING SCREW 3mm x 10mm(x2) GV30417-002A PUNCHING NET QYSBSGY3008E SPECIAL SCREW 3mm x 8mm(x2) GV40382-002A MIRROR SHEET QYSBSGY3008E SPECIAL SCREW...
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Speaker assembly and parts list Block No. Speaker Block No. [M][2][M][M] Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local 411-B840120P1 SCREW (x20) 411-B84020AB1 SCREW (x20) 411-N54020AB1 SCREW (x8) J200-XZ300LS-90 F.PANEL ASSY(L) 441-802103-00 LEG CUSHION (x8) J200-XZ300RS-90...
CD changer mechanism assembly and parts list Block No. FMU-SC6-1M Grease =JVG-31N =JVS-1003...
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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)
CD mechanism assembly and parts list Block No. Grease & Bond FXL-M75T-1M = 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 QAR0276-001 SP MOTOR EMW10190-441 CIR BOARD QGA2001F1-06 CONNECTOR W-B (1-6)
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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...
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.
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 R704 QRE141J-563Y C RESISTOR 56kΩ 1/4W J R705 FQRJ143J-821X UNF C RESISTOR IC303 KIA7808API R706 FQRJ143J-821X UNF C RESISTOR IC304 KIA7805API...
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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...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C473 QFLC1HJ-273Z M CAPACITOR 0.027uF 50V J R409 QRE141J-223Y C RESISTOR 22kΩ 1/4W J C474 QFLC1HJ-222Z M CAPACITOR 2200pF 50V J R411 QRE141J-183Y C RESISTOR 18kΩ...
Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R517 QRE141J-103Y C RESISTOR 10kΩ 1/4W J FW202 QUM157-07DGZ4 FW CABLE R518 QRE141J-103Y C RESISTOR 10kΩ 1/4W J FW204 QJK015-050604 WIRE SOCKET R519 QRE141J-103Y C RESISTOR 10kΩ...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C803 QETN0JM-477Z E CAPACITOR 470uF 6.3V M R848 QRE141J-104Y C RESISTOR 100kΩ 1/4W J C804 QETN0JM-227Z E CAPACITOR 220uF 6.3V M R849 QRE141J-104Y C RESISTOR 100kΩ...
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CD servo board Symbol No. Part No. Part Name Description Local Block No. [0][4][0][0] R971 QRE141J-221Y C RESISTOR 220Ω 1/4W J R972 QRE141J-221Y C RESISTOR 220Ω 1/4W J Symbol No. Part No. Part Name Description Local R973 QRE141J-221Y C RESISTOR 220Ω...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R256 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J R682 NRSA63J-101X MG RESISTOR 100Ω 1/16W J R257 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J R801 NRSA63J-472X MG RESISTOR 4.7kΩ...
Packing materials and accessories parts list Block No. A2, A3, A4, A5, A6, A7 3-20...
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Packing and accessories Block No. [M][3][M][M] Symbol No. Part No. Part Name Description Local GVT0100-012B INST BOOK ENG SPA POR QAL0014-001 AM LOOP ANT QAL0457-001 ANT.WIRE RM-SHXZ10A REMOCON ------------------ BATTERY (x2) QAM0112-002 PLUG ADAPTOR GV40406-003A NOTICE SHEET GV40436-003A CAUTION SHEET HXZ30J-SPBOX-R SPEAKER BOX A 10...