JVC TH-S5 Service Manual Download Page 30

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(No.MB180)

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

Summary of Contents for TH-S5

Page 1: ... CINEMA SYSTEM MB180 2004 4 TH S5 TH S51 TABLE OF CONTENTS 1 PRECAUTIONS 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 7 3 DISASSEMBLY 1 8 4 ADJUSTMENT 1 25 5 TROUBLESHOOTING 1 29 Area suffix B U K TH S51 Area suffix B U K E Continental Europe EN Northern Europe EV Eastern Europe TH S5 TH S5 TH S51 ...

Page 2: ...57 mm 319 mm Mass 3 0 kg Amplifier section Front Center Surround 80 W per channel RMS at 6 Ω Center Surround 120 W per channel RMS at 4 Ω Front at 1 kHz with 10 total harmonic distortion Subwoofer 120 W RMS at 4 Ω at 100 Hz with 10 total harmonic distortion Speaker section Speaker unit 16 cm Bass reflex Magnetically Shielded Frequency Range 30 Hz to 200 Hz General Power Requirements AC 230 V 50 Hz...

Page 3: ...jack control shafts etc to be sure the product is safe to operate without danger of electrical shock Do not use a line isolation transformer during this check Plug the AC line cord directly into the AC outlet Using a Leakage Current Tester measure the leakage current from each exposed metal parts of the cabinet particular ly any exposed metal part having a return path to the chassis to a known goo...

Page 4: ...same safety characteristics as the recommended replacement parts shown in the Parts List of the Service Manual and may create shock fire or other hazards 4 The leads in the products are routed and dressed with ties clamps tubings barriers and the like to be separated from live parts high temperature parts moving parts and or sharp edges for the prevention of electric shock and fire hazard When ser...

Page 5: ...r diode in the optical pickup The tester s internal power source can easily destroy the laser diode 1 7 Handling the traverse unit optical pickup 1 Do not subject the traverse unit optical pickup to strong shocks as it is a sensitive complex unit 2 Cut off the shorted part of the flexible cable using nippers etc after replacing the optical pickup For specific details refer to the replacement proce...

Page 6: ...lock failed or defeated AVOID DIRECT EXPOSURE TO BEAM e VARNING Synlig och osynling laserstrålning när den öppnas och spärren är urkopplad Betrakta ej strålen s VARO Avattaessajasuojalukitus ohitettuna tai viallisena olet alttiina näkyvälle ja näkymättömälle lasersäteilylle Vältä säteen kohdistumista suoraan itseesi f ADVARSEL Synlig og usynlig laserstråling når maskinen er åben eller interlocken ...

Page 7: ... No MB180 1 7 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Page 8: ...n body remove the four screws A attaching the top cover See Figs 1 and 2 2 From the back side of the main body remove the three screws B attaching the top cover See Fig 3 3 Lift the rear section of the top cover upward while extend ing the lower sections of the top cover See Fig 3 Fig 1 Fig 2 Fig 3 A Top cover A Top cover B Top cover ...

Page 9: ...e earth wire with it See Fig 4 3 From the bottom side of the main body remove the four screws D attaching the front panel assembly See Fig 5 4 Remove the front panel assembly in the direction of the ar row while releasing the joint a See Fig 5 Fig 4 Fig 5 3 1 3 Removing the rear panel See Fig 6 Prior to performing the following procedures remove the top cover 1 From the back side of the main body ...

Page 10: ... the back side of the main body remove the two screws K attaching the tuner to the rear panel See Fig 7 2 From the top side of the main body disconnect the card wire from the connector CN410 on the main board See Fig 9 3 Take out the tuner from the main body 3 1 6 Removing the DVD mechanism assembly See Fig 9 Prior to performing the following procedures remove top cover and DSP board 1 From the to...

Page 11: ...r panel Fig 10 Fig 11 3 1 8 Removing the main board See Fig 12 Prior to performing the following procedures remove the top cover rear panel DSP board and tuner 1 From the top side of the main body disconnect the card wires from the connectors CN401 to CN403 CN408 CN409 CN451 and CN452 on the main board 2 Disconnect the parallel wires from the connectors CN404 to CN407 on the main board 3 From the ...

Page 12: ...sembly to the right side of the FL board After attaching the FL board passing the card wire through the Hook b Fig 1 3 2 2 Removing the SW board See Figs 2 to 3 1 From the front side of the front panel assembly remove the volume jog from the front panel assembly forward 2 From the inside of the front panel assembly release the seven claws c attaching the front cover 3 Remove the front cover to the...

Page 13: ...of the DVD mechanism assembly re move the two screws A attaching the leaf spring to the bushing and remove the leaf spring See Fig 2 3 Remove the bushing of the tray assembly from the projec tion a on the DVD mechanism assembly and move the tray assembly in the direction of the arrow See Fig 3 4 Remove the claw b of the tray assembly from the DVD mechanism assembly and take out the tray assembly S...

Page 14: ... from the connector CN101 on the DVD servo board If the card wire is disconnect ed without attaching solder the pickup may be de stroyed by static electricity See Figs 5 and 6 When attaching the DVD servo board be sure to re move solders from the short land sections c after con necting the card wire to the connector CN101 on the DVD servo board See Figs 5 and 6 3 Disconnect the card wire from the ...

Page 15: ...rd wire to the connector on the pickup See Figs 5 and 7 3 Remove the screw D attaching the plate and thrust spring See Fig 7 4 Remove the engagement section g attaching the plate to the feed holder and remove the plate with the thrust spring See Fig 7 5 Remove the shaft of the pickup from the section h on the traverse mechanism assembly and remove the shaft from the section i while moving it in th...

Page 16: ... and 12 Remove the traverse mechanism assembly 1 From the top side of the traverse mechanism assembly re move the screw D attaching the plate and thrust spring See Fig 7 2 Remove the engagement section g attaching the plate to the feed holder and remove the plate with the thrust spring See Fig 7 3 Remove the wires from the soldered section k on the spin dle motor board See Fig 11 Reference When at...

Page 17: ... on the section r after attaching the switch board to the DVD mechanism assembly Fix the claw p on the DVD mechanism assembly with bonds after attaching the switch board 3 3 9 Removing the motor See Figs 14 and 15 Remove the tray assembly 1 From the bottom side of the DVD mechanism assembly re move the wires from the soldered section n on the switch board See Fig 14 2 From the top side of the DVD ...

Page 18: ... screws B attaching amplifier assembly See Fig 2 3 From the left side of the speaker main body move the am plifier assembly backward and disconnect the wire from the connector CN274 on the mother board See Fig 3 Reference After connecting the wire to the connector CN274 on the moth er board bundle the wire by the wire clamp See Fig 3 Fig 1 Fig 2 Fig 3 Amplifier assembly A B Speaker main body B Wir...

Page 19: ...ear panel with fan motor and disconnect the wire from the connector CN371 on the mother board See Fig 5 3 4 3 Removing the fan motor See Figs 4 and 5 Prior to performing the following procedures remove the am plifier assembly 1 From the back side of the rear panel remove the two screws F attaching the fan motor See Fig 4 2 From the top side of the amplifier assembly take out the fan motor and disc...

Page 20: ...owing procedures remove the am plifier assembly rear panel and heat sink BKT 1 From the top side of the amplifier assembly remove the two screws H attaching the mother board See Fig 8 2 From the left side of the amplifier assembly disconnect the wires from the connectors CN102 and CN151 on the moth er board See Fig 9 3 Disconnect the power cord from the connector CN101 on the mother board and take...

Page 21: ... amp board remove the screw K at taching the hold spring to the heat sink See Fig 11 2 Remove the four screws L attaching the power IC to the heat sink See Fig 11 3 From the reverse side of the amp board remove the three screws M attaching the heat sink to the amp board See Fig 12 4 Take out the heat sink 3 4 8 Removing the power IC See Fig 12 Prior to performing the following procedures remove th...

Page 22: ...rocedures remove the am plifier assembly and rear panel 1 From the top side of the amplifier assembly disconnect the wires from the connectors CN102 and CN151 on the moth er board See fig 14 2 Remove the four screws P attaching the power transform er and take out the power transformer from the amplifier assembly See fig 15 Reference When attaching the power transformer attach the screws P with the...

Page 23: ... net little by little to remove See Fig 16 Note To prevent damaging the speaker net and speaker main body insert cushioning plates etc and below the tip of the flat bladed screwdriver or similar tool 2 From right side of the speaker main body release the eight joint c and take out the speaker net from the speaker main body See Fig 17 Fig 16 Fig 17 Speaker net Flat bladed screwdriver etc Chshioning...

Page 24: ...emove the speaker net 1 From right side of the speaker main body remove the four screws Q attaching the speaker See Fig 18 2 Take out the speaker from the speaker main body See Fig 19 3 Disconnect the wires from the terminal of the speaker See Fig 19 Fig 18 Fig 19 Speaker Q Speaker Terminal Speaker main body ...

Page 25: ...essing of ON SCREEN key of the remote controller at the displaying version of firmware changes the display as fol lows Becomes test mode Checksum of device key TEST Area code BE microcomputer learning processing conditio Version of microcomputer Refer to 4 2 Method of displaying version firmware _ _ _ Rejion code Version of rejion code Refer to 4 3 Method of displaying rejion code REGION Mechanism...

Page 26: ...the following key of the remote controller The number shown in the FL display shows mA of current value of laser The first two numbers 14 in 1419 shows current value of laser at the time of adjustment after the latest all initialization 14mA in this example The last two numbers 19 in 1419 shows the present current value of laser 19mA in this example The first two numbers 14 in 1419 usually shows c...

Page 27: ...mpleted 8 Set the main body at test mode and confirm the version of the firmware Refer to 4 2 Method of displaying version firmware 4 7 Upgrading of system microcomputer ROM CORRECTION 1 Press STANDBY ON key of the main body to turn it on 2 Push OPEN CLOSE key of the main body and insert the upgrade disc in the tray 3 When reading the data of the disc the OSD screen is displayed VERSION UP DISC SY...

Page 28: ... the FL display of main body is displayed LOCKED and the disc tray is locked 4 For unlock the tray press both STOP key and OPEN CLOSE key 5 Then the FL display of main body is displayed UNLOCKED and the tray is unlocked NOTE Unless unlocking disc tray it does not process to input OPEN CLOSE key 4 10 Switching tuner AM step U version only Switching 9kHz 1 Press both STOP key and PLAY key of the mai...

Page 29: ... No MB180 1 29 SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING ...

Page 30: ... No MB180 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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