SERVICE MANUAL DVD DIGITAL CINEMA SYSTEM MB428 2005 TH-C6 Area suffix A ---------------------------- Australia UW ----------- Brazil,Mexico,Peru UY ------------------------ Argentina UJ ---------------------- U.S.Military UG --- Turkey,South Africa,Egypt (SP-THC6F) (SP-THC6C) (SP-THC6F) (SP-THC6S) (SP-PWC6) (XV-THC6) Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) TABLE OF CONTENTS PRECAUTION.
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SPECIFICATION Center unit (XV-THC9/XV-THC6/XV-THC3) Audio section Total Harmonic Distortion *1 0.02% Digital input*2 DIGITAL IN (DBS) -21 dBm to -15 dBm (OPTICAL) (660 nm ± 30 nm) Video section Video System PAL/NTSC Horizontal Resolution 500 lines Signal-to-Noise Ratio 64 dB Composite: 1.0 V(p-p)/75 Ω...
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Satellite Speakers (SP-XTHC6) 5.5 cm × 2, 1.5 cm, Bass-reflex, Magnetically Shielded Front speakers (SP-THC6F) Speaker unit Power Handling Capacity 140 W 4 Ω Impedance Frequency Range 90 Hz to 20 kHz Dimensions (W × H × D) 250 mm × 1 104 mm × 250 mm Mass 2.6 kg each 5.5 cm ×...
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...
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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.
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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 4) (1) From the both sides of the main body, remove the four screws A attaching the metal cover. (See Figs. 1 and 2.) Metal cover (2) From the back side of the main body, remove the three screws B attaching the metal cover.
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3.1.2 Removing the front panel assembly (See Figs. 5 and 6) • Prior to performing the following procedures, remove the metal cover. CN457 CN456 Main board (1) From the top side of the main body, disconnect the parallel wires from the connectors (CN456, CN457) on the main board.
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3.1.3 Removing the DVD changer mechanism assembly (See Fig. 7) • Prior to performing the following procedures, remove metal cover and front panel assembly. DVD changer mechanism assembly (1) From the top side of the main body, remove the screw E at- CN402 CN401 CN403 taching the wire protection board to the main board.
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3.1.5 Removing the audio & digital input board (See Figs. 9 and 10) • Prior to performing the following procedures, remove the metal cover. Main board CN412 Power supply board (1) From the top side of the main body, disconnect the card wires from the connectors (CN411, CN412) on the main Card wires CN411...
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3.1.8 Removing the main board (See Fig. 11) • Prior to performing the following procedures, remove the metal cover, rear panel, audio & digital input board and tuner. Wire protection board CN460 CN456 (1) From the top side of the main body, remove the screw S at- CN457 CN401 CN402...
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Front panel assembly section • Prior to performing the following procedures, remove the front panel assembly from the main body. (See "Removing the front panel assembly") 3.2.1 Removing the phone jack board (See Fig. 1) (1) From the inside of the front panel assembly, remove the screw A attaching the phone jack board.
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3.2.5 Removing the front board (See Figs. 3 and 4) • Prior to performing the following procedures, remove the phone jack board, bracket board and operation board. Front panel assembly (1) From the front side of the front panel assembly, pull out the volume knob in the direction of the arrow.
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DVD changer mechanism assembly section Remove the DVD changer mechanism assembly from the main body. (See "Removing the DVD changer mechanism assembly".) 3.3.1 Removing the tray assemblies (See Figs.1 to 5) (1) From the top side of the main body, remove the two screws Top cover A from the top cover and release the two joints a on the both sides of the DVD changer mechanism assembly.
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Open det. lever Fig.3 Side(R) assembly Tray assemblies Fig.4 Tray assembly Fig.5 1-16 (No.MB428)
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3.3.2 Removing the DVD servo board (See Figs.6 to 8) Caution: Solder the short land sections d on the DVD pickup before dis- connecting the card wire extending from the DVD pickup. If you do not follow this instruction, the DVD pickup may be dam- DVD pickup aged.
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3.3.4 Removing the motor board (See Figs.9 and 10) (1) From the top side of the DVD changer mechanism assem- bly, remove the two belts from the motor pulleys. (See Fig.9.) Note: Take care not to attach grease on the belt. Belt Belt (2) Remove the two screws D attaching the motors to the load-...
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3.3.6 Removing the DVD traverse mechanism assembly (See Fig.11) • Remove the tray assemblies and DVD servo board. DVD changer mechanism assembly (1) From the bottom side of the DVD changer mechanism as- sembly, remove the three screws F attaching the DVD traverse mechanism assembly.
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3.3.7 Removing the DVD pickup (See Figs.12 to 14) • Remove the tray assemblies, DVD servo board and DVD DVD traverse mechanism assembly traverse mechanism assembly. Feed bracket (1) From the top side of the DVD traverse mechanism assem- Thrust spring bly, release the lock of the connector on the DVD pickup Connector and disconnect the card wire in the direction of the arrow.
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DVD pickup Rack arm Guide shaft Rack arm spring Fig.14 Connector DVD pickup Screw shaft gear Fig.15 (No.MB428)1-21...
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3.3.9 Removing the spindle motor board (See Figs.16 and 17) • Remove the tray assemblies, DVD servo board and DVD DVD traverse mechanism assembly traverse mechanism assembly. (1) From the top side of the DVD traverse mechanism assem- Spindle motor board bly, remove the wires from the soldered sections r on the spindle motor board.
3.3.10 Removing the feed motor (See Figs.18 and 19) • Remove the tray assemblies and DVD traverse mechanism Feed bracket assembly. (1) From the top side of the DVD traverse mechanism assem- Thrust spring bly, remove the screw K attaching the feed bracket and re- move the feed bracket from the sections t.
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3.3.11 Removing the side (L) and tray switch board (See Figs.20 to 22) • Remove the tray assemblies. SIde(L) (1) From the topside of the DVD changer mechanism assem- bly, remove the two screws M attaching the side (L). (See Fig.20.) (2) From the left side of the DVD changer mechanism assem- bly, disconnect the connector...
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3.3.12 Removing the side (R) assembly (See Fig.23 to 27) • Remove the tray assemblies and DVD servo board. Elevator spring (1) From the inside of the side (R) assembly, release the two tabs aa of the gear cover and remove the gear cover out- ward.
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3.3.13 Removing the lifter assembly (See Figs.28 to 32) • Remove the tray assemblies, DVD servo board, side (L) and Hook side (R) assembly. (1) (1) From the top side of the DVD changer mechanism as- sembly, turn the gear 1 clockwise to move the lifter assem- bly upward.
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3.3.14 Removing the sensor board and SV resistor (See Fig.33) • Remove the tray assemblies, side (L), side (R) assembly and Sensor board lifter assembly. (1) Remove the solders from the soldered sections aj on the sensor board and remove the wires. (2) Remove the two screws Q and take out the sensor board with the SV resistor.
3.3.15 Taking out the disc in the play mode (See Fig.34 to 37) Reference: Tray assembly Refer to "3.3.1 Removing the tray assemblies". (1) From the top side of the DVD changer mechanism assem- bly, remove the top cover. (2) Unlock the tray assemblies and draw out the tray assem- blies toward the front.
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Tray stopper Main tray Sub tray Fig.36 Tray stopper Fig.37 (No.MB428)1-29...
SECTION 4 ADJUSTMENT Special mode 4.1.1 Outline The contents in the special mode of operation, and the definition of a key (remote controller or main unit) 4.1.2 Special mode 1.DVD TEST MODE It goes into the TEST mode of DVD. DVD TEST mode is canceled by except DVD source, and POWER OFF.
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5.FORCED NTSC MODE It is made compulsive NTSC mode. From this, with regards to the input of NTSEL_SW, there is nothing only at the time of 1st power on, and it performs NTSC starting. (Command specification is performed to a module.) A mode clearance is performed by power off.
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4.1.3 Upgrading of firmware (DVD UPGRADE) The latest firmware for upgrading is updated in "Optical disc CSG" page in JS-net. At the time of service, compare the version of the product and the latest version, and upgrade the old version into the latest version. (1) Press "STANDBY/ON"...
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DVD TEST MODE Insert the power cord in an outlet while pressing the "POWER" and "PLAY" keys on the main unit simultaneously. It is made POWER ON in test mode, and VERSION is displayed on FL. FL indication TEST bb# TEST bb# The initialization state (The 11th figure) "3"...
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Press the "MENU" key on the remote controller. Enter to CHECK MODE FL indication FL indication Press the "1" key on the remote controller. CHECK CHECK Starting of DISC & normal play (Play from the started position) FL indication Press the "2" key on the remote controller. Existence of WOBBLE 0 : WOBBLE_NO_CHECK (Un-checking.) 1 : WOBBLE_PRESS_MEDIA (Press)
FL indication Press the "0" key on the remote controller. MONITOR output change 1 : SRV_MONI_CIRC 2 : SRV_MONI_SERVO 3-5 : SRV_MONI_ANALOG 6-7 : SRV_MONI_DRC 8-11 : SRV_MONI_SERVO_JIG 12 : SRV_MONI_DEFAULT FL indication Press the "+10" key on the remote controller. Initialization of the contents of a backup memory Press the "STOP"...
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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.MB428) Printed in Japan...
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SCHEMATIC DIAGRAMS DVD DIGITAL CINEMA SYSTEM TH-C6 Area suffix A ---------------------------- Australia CD-ROM No.SML200507 UW ----------- Brazil,Mexico,Peru UY ------------------------ Argentina UJ ---------------------- U.S.Military UG --- Turkey,South Africa,Egypt (SP-THC6F) (SP-THC6C) (SP-THC6F) (SP-THC6S) (SP-PWC6) (XV-THC6) Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
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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 " " mark nearby are critical for safety.
Block diagram <Subwoofer section> <Main body section> DVD servo section Audio & Digital input section Amplifier section EXADT0 to 15, EXADR16 to 20 A, B, C, D, E, F, RF+, PD(CD), PD(DVD) SW.P.ON, SETUP NEXCE, NEXOE, NEXWE IC509 DVD traverse SYSTEM C,SW LPCO1, LPCO2...
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Standard schematic diagrams <Main body section> Power supply section GVA10092-A2 T 9 0 1 C 9 5 1 1 0 0 p / 5 0 Q Q S 0 0 9 7 - 0 0 1 Q 9 5 1 C P 9 5 1 POWER PWB E P 9 0 1...
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System control section To CN441 To CN442 To CN703 To CN702 (SHEET 5) (SHEET 5) (SHEET 7) (SHEET 7) To TUNER C N 4 1 1 C N 4 1 2 C N 4 0 2 C N 4 0 1 C N 4 1 0 Q G F 1 0 3 6 C 1 - 3 1 Q G F 1 0 3 6 C 1 - 0 8...
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Video input / output section GVA10092-A1 V E R . B C 4 4 9 1 0 . 0 1 / 5 0 C 4 4 7 2 3 3 0 p / 5 0 J 4 4 0 3 Q N Z 0 6 2 5 - 0 0 1 R 4 4 7 2 1 5 0...
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FL display section GVA10094-A1 FL PWB C 5 1 0 C 5 0 9 D I 5 0 1 Q L F 0 1 5 4 - 0 0 1 FL DISPLAY K 5 0 2 C 5 1 5 0 .
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Audio & Digital input section GVA10093-A1 AUDIO PWB R 1 1 0 1 C 2 5 0 3 4 7 0 4 . 7 / 5 0 A U X - L L - I N A U X - R C 2 5 0 4 R 1 1 0 2 R - I N...
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<subwoofer section> Amplifier section I C 2 0 2 I C 2 0 1 S T K 4 1 3 - 4 3 0 * 4 M A R K V E R S I O N L 2 2 0 2 / 2 3 0 2 / 2 4 0 2 C 2 2 1 1 / 2 3 1 1 / 2 4 1 1 C 2 2 1 2 / 2 3 1 2 / 2 4 1 2 R 2 2 1 5 / 2 3 1 5 / 2 4 1 5...
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Mother section TO CN272 (SHEET 9) TO CN271 F A N M O T O R (SHEET 9) VERSION Q A R 0 3 1 8 - 0 0 1 A : AUSTRALIA US: SINGAPOLE C N 3 7 2 B : GREAT BRITAIN UB: HONG KONG Q G B 2 5 1 0 K 2 - 0 9...
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Printed circuit boards (Phone jack board) <Main body section> Main board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) CN701 W6001 C6004 C6001 K6002 R6001 C6002 (Power supply board) (Main board) J4891 C4718 C4719 CN404 CN405...
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Front board Audio board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) (Audio & Digital input board) (Front board) S540 S539 S538...
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DVD servo board Loading board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Forward side (Motor board) CN452 CN453 D701 IC705...
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<Subwoofer section> Amp board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) (Amp board) C2503 C3203 Q3202 Q3201 C3202 C3403 R3206 Q3401 Q3402 C2603 C3402 R3210 R3209 R3212 R3208 R3205 R3203 R3202 R3406 C3201 R3413 R3412...
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Mother board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) (Mother board) (LED board) CN502 CN372 R3741 R3742 D3707 CN501 D3706 C602 R611 C3602 R562 R3727 R560 C3715 R3605 R559 R3608 C3604 R563 C606 C3705 FW501...
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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 Printed in Japan (No.MB428SCH)
PARTS LIST [ TH-C6 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix A ------------------------- Australia UW ---------- Brazil,Mexico,Peru UY ----------------------- Argentina UJ --------------------- U.S.Military UG - Turkey,South Africa,Egypt - Contents - 3- 2 Exploded view of general assembly and parts list (Block No.M1)
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Exploded view of general assembly and parts list Block No. Operation board Power key board Bracket board...
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Power supply board Main board Wire protection board Audio & Digital input board Bracket board Bracket board Front board Phone jack board...
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General Assembly Block No. [M][1][M][M] Symbol No. Part No. Part Name Description Local GV10233-007A FRONT PANEL ASSY GV10233-002A FRONT PANEL ASSY A,UG,UW,UY GV20310-001A FRONT LENS GV30641-002A VOLUME RING QYSDSF2608ZA TAP SCREW M2.6 x 8mm QYSDSF2608ZA TAP SCREW M2.6 x 8mm(x2) QYSDSF2608ZA TAP SCREW M2.6 x 8mm(x4)
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Speaker assembly and parts list Block No. (Subwoofer) Amp. board Mother board LED board The parts without symbol number are not service.
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Speaker(Subwoofer) Block No. [M][2][M][M] Symbol No. Part No. Part Name Description Local LV10875-002A CHASSIS BASE LV30225-0T5A SPACER LV30225-0T6A SPACER LV10951-001A HEAT SINK QYSBSG3010EA TAP SCREW M3 x 10mm(x3) QYSBSG3016EA TAP SCREW M3 x 16mm(x4) QYSBSG3010EA TAP SCREW M3 x 10mm(x9) QQT0482-002 POWER TRANSF ...
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DVD mechanism assembly and parts list Block No. FXL-D8-1M Grease =JVG-31N =JVS-1003 2.4mm + 0.1mm Letter side APPLY AREA Letter side 7.0mm + 0.1mm Reverse side The parts without symbol number are not service.
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DVD mechanism Block No. [M][J][M][M] Symbol No. Part No. Part Name Description Local LV10985-001A C.TM CHASSIS QAR0334-002 S.MOTOR QYSPSPU1740ZA SCREW M1.7 x 4mm(x3) QAR0144-003 MOTOR VKS5557-001 F.M. GEAR QYSPSPT2025ZA SCREW M2 x 2.5mm LV35461-002A MIDDLE GEAR LV44040-001A SCREW SHAFT LV35462-001A SCREW SHAFT GEA QAL0667-001...
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DVD changer mechanism assembly and parts list Block No. FMU-SM1-1M Grease =JVG-31N CH5-BASE-1M =JVS-1003 The parts without symbol number are not service.
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DVD changer mechanism Block No. [M][K][M][M] Symbol No. Part No. Part Name Description Local LV10913-004A LOADER ASSY QVY0027-B14 S V RESISTOR QYSDST2004ZA TAP SCREW M2 x 4mm QAR0164-001 MOTOR (x2) LV42340-001A MOTOR PULLEY (x2) LV41431-002A BELT (x2) QYSPSPU1725NA SCREW M1.7 x 2.5mm(x2) LV33965-004A LIFTER ASSY...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C4321 NCB30JK-105X C CAPACITOR 1uF 6.3V K C6603 QETN1HM-475Z E CAPACITOR 4.7uF 50V M C4331 NCB30JK-105X C CAPACITOR 1uF 6.3V K C6611 QETN1HM-475Z E CAPACITOR 4.7uF 50V M...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R4709 NRSA63J-101X MG RESISTOR 100Ω 1/16W J R6101 NRSA63J-223X MG RESISTOR 22kΩ 1/16W J R4710 NRSA63J-104X MG RESISTOR 100kΩ 1/16W J R6102 NRSA63J-102X MG RESISTOR 1kΩ...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local EP401 QNZ0136-001Z EARTH PLATE K501 NRSA02J-0R0X MG RESISTOR 0Ω 1/10W J EP402 QNZ0136-001Z EARTH PLATE K502 NRSA02J-0R0X MG RESISTOR 0Ω 1/10W J EP403 QNZ0136-001Z EARTH PLATE...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C1209 QETN1HM-475Z E CAPACITOR 4.7uF 50V M R1134 NRSA63J-101X MG RESISTOR 100Ω 1/16W J C1210 QETN1HM-475Z E CAPACITOR 4.7uF 50V M R1135 NRSA63J-332X MG RESISTOR 3.3kΩ...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R2566 NRSA63J-622X MG RESISTOR 6.2kΩ 1/16W J Q3703 KRC103S-X DIGITAL TR R2567 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J Q3704 KTC2026/Y/ TRANSISTOR R2568 NRSA63J-102X MG RESISTOR 1kΩ...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C163 QETM1EM-478 E CAPACITOR 4700uF 25V M C3204 QETN1HM-225Z E CAPACITOR 2.2uF 50V M C164 QETM1EM-478 E CAPACITOR 4700uF 25V M C3301 NCB31HK-152X C CAPACITOR 1500pF 50V K...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R641 NRSA63J-223X MG RESISTOR 22kΩ 1/16W J R2606 QRZ0224-R22 EMIT RESISTOR 0.22Ω R642 NRSA63J-223X MG RESISTOR 22kΩ 1/16W J R2607 NRSA63J-102X MG RESISTOR 1kΩ...
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DVD servo board Symbol No. Part No. Part Name Description Local Block No. [0][5] R3506 NRSA63J-470X MG RESISTOR 47Ω 1/16W J R3507 NRSA63J-334X MG RESISTOR 330kΩ 1/16W J Symbol No. Part No. Part Name Description Local R3508 NRSA63J-101X MG RESISTOR 100Ω...
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Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C320 NCB31CK-104X C CAPACITOR 0.1uF 16V K R101 NRSA63J-101X MG RESISTOR 100Ω 1/16W J C321 NCB31CK-104X C CAPACITOR 0.1uF 16V K R102 NRSA63J-101X MG RESISTOR 100Ω...
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Loading board Symbol No. Part No. Part Name Description Local Block No. [0][6] R378 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J R383 NRSA63J-101X MG RESISTOR 100Ω 1/16W J Symbol No. Part No. Part Name Description Local R384 NRSA63J-102X MG RESISTOR 1kΩ...
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Packing materials and accessories parts list Block No. (A,UW,UY,UG ) No additional / supplemental order of WARRANTY CARDs are available A1,A2,A4, A5,A6,A7, A8,A9, A11,A15 A21, A22, A23, A24, 3-22...
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Packing and Accessories (A,UW,UY,UG) Block No. [M][3][M][M] Symbol No. Part No. Part Name Description Local GVT0150-008A INSTRUC.BOOK A,UG,UW GVT0150-006A INSTRUC.BOOK ARA PER GVT0150-004A INSTRUC.BOOK SPA POR UW,UY RM-STHC7U REMOTE CON. QMPL060-183-JD POWER CORD(EU) 1.83m BLACK UG,UW ---------------- BATTERY (x2) QAM0216-001 SIGNAL CORD...
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Packing materials and accessories parts list Block No. (UJ) A1,A4,A5, A6,A7, A22, A17, A19, A20, 3-24...
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Packing and Accessories (UJ) Block No. [M][4][M][M] Symbol No. Part No. Part Name Description Local GVT0150-009A INSTRUC.BOOK RM-STHC8J REMOTE CON. QMPL060-183-JD POWER CORD(EU) 1.83m BLACK ---------------- BATTERY (x2) QAM0216-001 SIGNAL CORD QAL0014-001 AM LOOP ANT QAL0457-001 ANT.WIRE QAM0112-002 PLUG ADAPTOR (x2) ...