Page 1
SERVICE MANUAL COMPACT COMPONENT SYSTEM MB263 2004 MX-JD5 Area suffix US ------------------------ Singapore UW ----------- Brazil,Mexico,Peru UX -------------------- Saudi Arabia UE -----------------------------Turkey UN ----------------------------- Asean CA-MXJD5 TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
Page 2
SPECIFICATION 40 W per channel, min. RMS, driven into 6 Ω at 1 kHz with Amplifier Output Power FRONT MAIN SPEAKERS section no more than 10% total harmonic distortion. 80 W per channel, min. RMS, driven into 6 Ω at 63 Hz with FRONT SUBWOOFERS no more than 10% total harmonic distortion.
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 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.
SECTION 3 DISASSEMBLY Main body section 3.1.1 Removing the metal cover (See Figs.1 to 3) (1) From the both sides of the main body, remove the two screws A attaching the metal cover. (See Figs.1 and 2.) Metal cover (2) From the back side of the main body, remove the six screws B attaching the metal cover.
Page 8
3.1.2 Removing the front panel assembly (See Figs.4 to 7) • Prior to performing the following procedures, remove the metal Plastic rivet cover. CN860 CN880 Main board (1) From the right side of the main body, remove the screw C attaching the earth wires on the reverse side of the main board.
Page 9
Front panel assembly Fig.6 Front panel assembly Fig.7 (No.MB263)1-9...
Page 10
3.1.3 Removing the tuner (See Figs.8 and 9.) • Prior to performing the following procedures, remove the metal Tuner cover. CN410 CN21 Main board (1) From the top side of the main body, disconnect the card wire from the connector CN21 on the main board.
Page 11
3.1.5 Removing the rear panel (See Figs.8 to 11) • Prior to performing the following procedures, remove the metal cover. (1) From the back side of the main body, remove the screw J attaching the rear cover. (See Fig.10.) (2) Release the sections c and remove the rear cover from the rear panel.
Page 12
3.1.6 Removing the DVD mechanism assembly (See Figs.12 and 13) • Prior to performing the following procedures, remove the metal cover, tuner and video board. DVD mechanism assembly Center chassis (1) From the top side of the main body, remove the three screws M attaching the DVD mechanism assembly on the center chassis.
Page 13
3.1.7 Removing the main board (See Figs.14 and 15) • Prior to performing the following procedures, remove the metal Main board cover, tuner, video board and rear panel. CN880 CN11 CN522 (1) From the right side of the main body, remove the screw N CN531 attaching the earth wires on the reverse side of the main board.
Page 14
3.1.8 Removing the center chassis assembly (See Fig.16) • Prior to performing the following procedures, remove the metal Main board cover, tuner, video board and rear panel. (1) From the top side of the main body, disconnect the card CN524 CN523 wires from the connectors (CN11, CN522, CN523, CN524) CN522...
Page 15
3.1.10 Removing the transformer board (See Fig.18) • Prior to performing the following procedure, remove the metal cover, tuner, video board, rear panel and center chassis as- sembly. (1) From the top side of the main body, disconnect the wire and power cord from the connectors (CN119, CN250) on the transformer board.
Page 16
3.1.12 Removing the regulator & surround amplifier board and main & subwoofer amplifier board (See Figs.20 and 21) • Prior to performing the following procedure, remove the metal Main & subwoofer cover, tuner, video board, rear panel, main board, center chas- amplifier board sis assembly and speaker terminal board.
Page 17
3.1.13 Removing the primary board (See Fig.22) • Prior to performing the following procedure, remove the metal Primary board Bottom chassis cover, tuner, video board, rear panel, main board, center chas- sis assembly, speaker terminal board and regulator & sur- round amplifier board and main &...
Page 18
3.1.14 Removing the FL board (See Figs.23 and 24) • Prior to performing the following procedures, remove the metal Front panel assembly cover and front panel assembly. (1) From the front side of the front panel assembly, pull the vol- Volume knob ume knob out of the front panel assembly.
Page 19
3.1.15 Removing the switch board Switch board Front panel assembly (See Figs.23 to 25) • Prior to performing the following procedures, remove the metal cover and front panel assembly. (1) From the front side of the front panel assembly, pull the mi- crophone knob out of the front panel assembly.
DVD mechanism section • Remove the DVD mechanism assembly from the main body. (See "3.1.6 Removing the DVD mechanism assembly".) 3.2.1 Removing the tray assembly (See Figs.1 to 3) (1) From the right side of the DVD mechanism assembly, push Tray assembly DVD mechanism assembly the slide cam and pull the tray assembly out of the DVD...
Page 21
3.2.2 Removing the traverse mechanism assembly (See Figs.4) (1) From the bottom side of the DVD mechanism assembly, re- DVD mechanism assembly move the four screws B attaching the traverse mechanism assembly and take out the DVD traverse mechanism as- DVD servo board sembly with the DVD servo board.
Page 22
3.2.4 Removing the pickup (See Figs.5,7 to 9) • Remove the traverse mechanism assembly. Thrust spring Plate (1) From the side of the traverse mechanism assembly, solder the short land sections c on the pickup. (See Fig.5.) (2) Release the lock of the connector on the pickup in the di- rection of the arrow and disconnect the card wire.
Page 23
3.2.5 Attaching the pickup (See Figs.5,7 to 10) • See "3.3.4 Removing the pickup". Feed gear M (1) Attach the shaft, SW actuator and LEAD spring to the pick- up. (See Fig.9.) (2) Align the pickup to the section j of the traverse mechanism assembly first, and set the both ends of the shaft of the pickup in the sections g and i of the traverse mechanism assembly.
Page 24
3.2.7 Removing the spindle motor board (See Figs.11 and 13) • Remove the traverse mechanism assembly. Traverse mechanism assembly • Remove the DVD servo board. (1) From the top side of the traverse mechanism assembly, re- move the wires from the soldered section k on the spindle motor board.
Page 25
Cassette mechanism assembly section • Prior to performing the following procedures, remove the cassette mechanism assembly. (See "3.1.16 Removing the cassette mechanism assembly".) 3.3.1 Removing the main motor and replacing the main belts (See Figs.1 and 2) (1) From the front side of the cassette mechanism assembly, Cassette mechanism assembly remove the two screws A attaching the main motor.
3.3.3 Removing the clutch assemblies (See Figs.4 to 7) • Prior to performing the following procedures, remove the main Cassette mechanism assembly motor, main belts and F/R belts. • Remove the wires of the main motor as required. (1) From the front side of the cassette mechanism assembly, remove the three slit washers attaching the flywheel 1, fly- wheel 2 and flywheel 3.
Page 27
3.3.4 Removing the leaf switches (See Fig.8) (1) From the back side of the cassette mechanism assembly, Switch board remove the solders from the soldered sections e attaching the leaf switches on the switch board. (2) From the front side of the cassette mechanism assembly, Wire (Black) Wire (Red) pull out the leaf switches.
3.3.7 Removing the R/P head block (See Fig.10) (1) From the front side of the cassette mechanism assembly, Cassette mechanism assembly release the claw m in the direction of the arrow 1 and pull R/P head out the pinch roller L in an upward direction. (2) Release the claw n in the direction of the arrow 2 and pull out the pinch roller R in an upward direction.
Page 29
Subwoofer section 3.4.1 Removing the net assembly (See Fig.1) (1) From the front side of the subwoofer main body, remove Net assembly the sections a of the net assembly toward this side. Fig.1 3.4.2 Removing the front panel assembly (See Figs.2 and 3) •...
Page 30
3.4.3 Removing the woofer (See Figs.4 and 5) • Prior to performing the following procedures, remove the front Woofer panel assembly. (1) From the front side of the subwoofer main body, remove the four screws A attaching the woofer. (See Fig.4.) (2) Take out the woofer from the subwoofer main body and disconnect the wires (red and black wires) from the termi- nals of the woofer.
Page 31
Speaker section 3.5.1 Removing the net assembly (See Fig.1) From the front side of the speaker main body, remove the sec- Net assembly tions a of the net assembly toward this side. Fig.1 3.5.2 Removing the front panel assembly (See Figs.2 and 3) •...
Page 32
3.5.4 Removing the speaker (See Figs.4 and 5) • Prior to performing the following procedures, remove the front Speaker panel assembly. (1) From the front side of the speaker main body, remove the four screws B attaching the speaker. (See Fig.4.) (2) Take out the speaker from the speaker main body and dis- connect the wires (red/black and blue/black wires) from the terminal of the speaker.
SECTION 4 ADJUSTMENT Adjustment method 4.1.1 Measurement Instruments Required for Adjustment 4.1.4 Tuner section (1) Low frequency oscillator FM Band cover 87.5~108.0MHz This oscillator should have a capacity to output 0dBs to AM Band cover 531~1,602kHz (at 9kHz) 600Ω at an oscillation frequency of 50Hz-20kHz. 530~1,600kHz (at 10kHz) (2) Attenuator impedance : 600Ω...
Page 34
Arrangement of adjusting positions PB Head REC/PB Head Cassette mechanism assembly (Deck-A) (Deck-B) (Front side) Head azimuth screw Head azimuth screw (Forward side) (Forward side) Head azimuth screw Head azimuth screw (Reverse side) (Reverse side) 4.2.1 Tape recorder section Measurement Adjustment Item Measurement method...
Page 35
Service mode 4.3.1 Confirming contents (1) System micon reset (2) System micon cold start (3) FL display check (4) Micon version check (5) DVD region check (6) DVD test mode 4.3.2 Confirming methods 1. System micon reset When DVD mechanism stuck, this may solve the problem without removing/inserting power cord. Press the STANDBY/ON, CANCEL and PAUSE buttons on the main unit simultaneously.
Page 36
You can confirm DVD region number. Press the STANDBY/ON and DVD LEVEL buttons on the main unit at standby. DVD region number is indicated on the on screen display. FL indication (Example) "4U ver.0116 MX-JD5 / FMU-DE3-1" REGION DVD unit number Firmware model Firmware version DVD destination 1-36 (No.MB263)
Page 37
6. DVD test mode Insert the power cord in an outlet while pressing the SET and buttons on the main unit simultaneously. TEST FL indication TEST FE LEANING CONDITION REGION VERSION VERSION LIST: JC / 1U / D / E / 2U / 3U / UB / UT / 4U / UY / EE / UF INITIALIZE EEPROM Press the "PAUSE"...
Page 38
Press the "1" button on the remote controller. START PLAYBACK Press the "2" button on the remote controller. WOBBLE Press the "4" button on the remote controller. LIGHT UP CD_LD and DISPLAY LASER CURRENT Press the "5" button on the remote controller. LIGHT UP DVD_LD and DISPLAY LASER CURRENT Press the "6"...
Page 39
4.3.3 Indicating check for FL display Function FL display Note DVD TEST MODE TEST START By AC cord on with holding SET and (Version info) : VERSION @: FE learning condition #: REGION By pressing PAUSE (Front) A. EEPROM INITIALIZE (NORMAL) B.
SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING. 1-40 (No.MB263)
Page 41
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.
Block diagram EXADT0 to 15, EXADR16 to 20 DVD control section DC regulator section Primary section IC509 NEXWE, /FL_RST FLASH ROM A, B, C, D, E, F, RF+, PD(CD), PD(DVD) MA0 to 10 AC IN DVD pickup Q2010 IC250 LD(CD) BA0, BA1 IC512,IC513 LPCO1, LPCO2...
PARTS LIST [ MX-JD5 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix US ---------------------- Singapore UW ---------- Brazil,Mexico,Peru UX ------------------- Saudi Arabia UE-----------------------------Turkey UN ----------------------------Asean - Contents - 3- 2 Exploded view of general assembly and parts list (Block No.M1) 3- 6 DVD mechanism assembly and parts list (Block No.MJ)
Page 55
Exploded view of general assembly and parts list Block No. FL board This parts include in No.1. DVD servo control boa Switch board This parts include in No.1. Transformer boar F103 F104 F102...
Page 56
Video board 43 44 Speaker terminal board DVD servo control board Regulator & Surround amprifier board Main & Subwoofer amprifier board Transformer board F001 F003 Primary board F103 F101 F104 F102 Main board...
Page 57
General Assembly Block No. [M][1][M][M] Symbol No. Part No. Part Name Description Local GV10220-004A FRONT PANEL ASSY JD5UE,JD5UW GV10220-002A FRONT PANEL ASSY JD5UN,JD5US,JD5UX GV30576-002A FL LENS GV20277-004A FRONT COVER GV30577-001A FUNC.INDICATOR GV40485-002A REMOTE LENS GV40486-002A INDICATOR LENS (x2) GV30580-001A VOLUME KNOB LV42979-003A VOLUME RING...
Page 58
Symbol No. Part No. Part Name Description Local QYSBSGY3008E TAP SCREW M3 x 8mm QYSBSGY3008E TAP SCREW M3 x 8mm QYSBSGY3008E TAP SCREW M3 x 8mm(x2) QYSBSGY3008E TAP SCREW M3 x 8mm(x2) QYSBSGY3008E TAP SCREW M3 x 8mm QYSBSGY3008E TAP SCREW M3 x 8mm(x2) QYSBSF3012E...
Page 59
DVD mechanism assembly and parts list Block No. FTU-DE3-2M Grease =JVG-31N =CFD-4007ZY2 =PG-641 =1401C < Back side > 63.3mm ± 0.1mm ± 10.5mm 0.1mm...
Page 60
DVD mechanism Block No. [M][J][M][M] Symbol No. Part No. Part Name Description Local LE20725-001A MECHA BASE LE20699-002A SPINDLE BASE QYSDST2605M TAP SCREW M2.6 x 5mm(x2) LE40931-001A SHAFT LV33991-001A ADJUST SPRING QYSPSFU2040M TAP SCREW M2 x 4mm LE20698-004A FEED HOLDER QAR0215-001 FEED MOTOR LV41510-201A...
Page 61
DVD loading base assembly and parts list Block No. FMU-DE3-2M Grease JVG-31N JVS-1003 (All circumference) Backside Switch Board...
Page 62
DVD loading base Block No. [M][N][M][M] Symbol No. Part No. Part Name Description Local LE10275-006A LOADING BASE LE31043-001A PULLEY GEAR LE31042-001A MIDDLE GEAR LE31044-001A IDLE GEAR LE20665-005A SLIDE CAM LE20666-003A ELEVATOR LE10276-002A TRAY LE31045-001A BUSHING LE40898-001A SHAFT QYSSSF2008Z TAP SCREW M2 x 8mm QYSDSF2008Z TAP SCREW...
DIGI TRANSISTOR C123 QCBB1HK-221Y C CAPACITOR 220pF 50V K Q181 KTC3203/OY/-T TRANSISTOR C124 QETN1HM-105Z E CAPACITOR 1uF 50V M Q190 2SC3576-JVC-T TRANSISTOR C125 QCBB1HK-221Y C CAPACITOR 220pF 50V K Q191 2SC3576-JVC-T TRANSISTOR C126 QETN1HM-105Z E CAPACITOR 1uF 50V M Q192...
Page 64
Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C270 QETN1HM-106Z E CAPACITOR 10uF 50V M R109 QRE141J-332Y C RESISTOR 3.3kΩ 1/4W J C271 QETN1HM-106Z E CAPACITOR 10uF 50V M R110 QRE141J-104Y C RESISTOR 100kΩ...
Page 65
Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R236 QRL01DJ-181X OMF RESISTOR 180Ω 1W J R778 QRE141J-103Y C RESISTOR 10kΩ 1/4W J R237 QRL01DJ-181X OMF RESISTOR 180Ω 1W J R786 QRE141J-103Y C RESISTOR...
Page 66
JD5U C302 NCB31HK-102X C CAPACITOR 1000pF 50V K Q362 KRA111M-T DIGI TRANSISTOR C303 QFLC1HJ-104Z M CAPACITOR 0.1uF 50V J Q363 2SC3576-JVC-T TRANSISTOR C306 QETN1HM-226Z E CAPACITOR 22uF 50V M Q364 2SC3576-JVC-T TRANSISTOR C307 QETN1HM-475Z E CAPACITOR 4.7uF 50V M Q365...
Page 67
Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C359 QETN1HM-475Z E CAPACITOR 4.7uF 50V M C473 NCB31HK-272X C CAPACITOR 2700pF 50V K JD5U C474 NCB31CK-104X C CAPACITOR 0.1uF 16V K C360 QCBB1HK-151Y C CAPACITOR...
Page 68
Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C544 NCB31CK-224X C CAPACITOR 0.22uF 16V K R333 QRE141J-223Y C RESISTOR 22kΩ 1/4W J C545 NCB31CK-273X C CAPACITOR 0.027uF 16V K R335 QRE141J-273Y C RESISTOR 27kΩ...
Page 69
Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R482 NRSA63J-203X MG RESISTOR 20kΩ 1/16W J JD5U N,JD5 R483 NRSA63J-203X MG RESISTOR 20kΩ 1/16W J R531 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J US,JD R484 NRSA63J-362X...
Page 70
Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R805 NRSA63J-331X MG RESISTOR 330Ω 1/16W J R884 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J R806 NRSA63J-221X MG RESISTOR 220Ω 1/16W J R885 NRSA63J-102X MG RESISTOR 1kΩ...
Page 72
Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local JD5U R943 QRE141J-151Y C RESISTOR 150Ω 1/4W J N,JD5 R944 QRE141J-221Y C RESISTOR 220Ω 1/4W J C985 QCBB1HK-151Y C CAPACITOR 150pF 50V K US,JD R945 QRE141J-271Y...
Page 73
Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local JD5U FT111 QNG0003-001Z FUSE CLIP N,JD5 FT112 QNG0003-001Z FUSE CLIP R984 QRE141J-153Y C RESISTOR 15kΩ 1/4W J US,JD FT131 QNG0003-001Z FUSE CLIP FT132 QNG0003-001Z FUSE CLIP...
Page 74
Block No. [0][5] Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C331 NCB31CK-333X C CAPACITOR 0.033uF 16V K C332 NCB31CK-104X C CAPACITOR 0.1uF 16V K IC201 LA6502-X C333 NCB31CK-104X C CAPACITOR 0.1uF 16V K IC301 MN2DS0004AA-H...
Page 75
Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R205 NRSA63J-273X MG RESISTOR 27kΩ 1/16W J R703 NRSA63J-471X MG RESISTOR 470Ω 1/16W J R206 NRSA63J-303X MG RESISTOR 30kΩ 1/16W J R704 NRSA63J-471X MG RESISTOR 470Ω...
Page 76
Packing materials and accessories parts list Block No. Surround x2 Center A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A17, A18 Front x2 Subwoofer 3-24...
Page 77
Packing and Accessories Block No. [M][3][M][M] Symbol No. Part No. Part Name Description Local QAL0014-001 AM LOOP ANT QAL0457-001 ANT.WIRE QAM0112-002 PLUG ADAPTOR JD5UE,JD5UN,JD5US,JD5UW QAM0216-001 SIGNAL CORD RM-SMXJD5A REMOCON JD5UE,JD5UW RM-SMXJD5U REMOCON JD5UN,JD5US,JD5UX ------------ BATTERY (x2) GV40538-001A INFO. SHEET GV40548-001A INFO.