JVC GR-DF540EX, Service Manual

Page 1: ...EX GR DF570EY GR DF570EZ For disassembling and assembling of MECHANISM ASSEMBLY refer to the SERVICE MANUAL No 86700 MECHANISM ASSEMBLY TABLE OF CONTENTS 1 PRECAUTIONS 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 5 3 DISASSEMBLY 1 6 4 ADJUSTMENT 1 17 5 TROUBLE SHOOTING 1 20 GR DF540EXM GR DF540EYM GR DF540EZM GR DF565EXM M5D5S8 GR DF570EKM GR DF570EXM GR DF570EYM GR DF570EZM M5D5S9 ...

Page 2: ...ctronic viewfinder with 0 16 color LCD Speaker Monaural LED Light GR DF470 only Effective distance 1 5 m For Digital Video Camera Format DV format SD mode Signal format PAL standard Recording Playback format Video Digital component recording Audio PCM digital recording 32 kHz 4 channel 12 bit 48 kHz 2 channel 16 bit Cassette Mini DV cassette Tape speed SP 18 8 mm s LP 12 5 mm s Maximum recording t...

Page 3: ...rts 9 When a power cord has been replaced check that 10 15 kg of force in any direction will not loosen it Fig 1 1 2 10 Also check areas surrounding repaired locations 11 Products using cathode ray tubes CRTs In regard to such products the cathode ray tubes themselves the high voltage circuits and related circuits are specified for compliance with recognized codes pertaining to X ray emission Cons...

Page 4: ...g prongs and externally exposed accessible parts Use an AC voltmeter to measure across both terminals of load Z See Fig 1 1 9 and following Fig 1 1 12 Fig 1 1 9 5 Grounding Class 1 model only Confirm specified or lower grounding impedance between earth pin in AC inlet and externally exposed accessible parts Video in Video out Audio in Audio out or Fixing screw etc Measuring Method Connect milli oh...

Page 5: ...GR DF540EY GR DF540EZ GR DF565EX MEMORY CARD NO NO NO NO DV TERMINAL YES OUT YES OUT YES OUT YES OUT ANALOG INPUT NO NO NO NO AC ADAPTER AP V17E AP V17E AP V17E AP V17E AC CORD NO NO NO NO MODEL NAME GR DF570EK GR DF570EX GR DF570EY GR DF570EZ MEMORY CARD YES SD 8MB YES SD 8MB YES SD 8MB YES SD 8MB DV TERMINAL YES IN OUT YES IN OUT YES IN OUT YES IN OUT ANALOG INPUT YES YES YES YES AC ADAPTER AP V...

Page 6: ...er 1 Order of steps in Procedure When reassembling preform the step s in the reverseorder These numbers are also used as the identification location No of parts Figures 2 Part to be removed or installed 3 Fig No showing Procedure or Part Location 4 Identification of part to be removed unhooked unlocked released unplugged unclamped or unsoldered S Screw L Lock Release Hook SD Solder CN Connector Ex...

Page 7: ...he EJECT SW NOTE13a During the procedure be careful in handling the HEAT SINK1 NOTE13b Be careful with the wiring and the handling of the wire Pay special attention for the wire folding position NOTE15 When attaching be careful not to catch the FPC in between zDestination of connectors 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 COVER JIG CON COVER TOP ASSY SHOE CENTER COVER REAR COVER ASSY FRONT COVER N ...

Page 8: ...1a NOTE1b NOTE1c NOTE1b JACK COVER DV JACK COVER DV CASSETTE COVER 3 7 S4 10 S4 9 S4 8 S4 4 S3 5 S3 6 S3 9 S4 10 S4 4 BOTTOM VIEW NOTE4 L4 L5a L5b VF 14 S5b 14 S5b A 5 A CN5 JACK COVER DC NOTE5 NOTE5 15 S5c 15 S5c 16 S5d 16 S5d 12 S5a 12 S5a 11 S5a 11 S5a 13 S5a 13 S5a BOTTOM VIEW ...

Page 9: ...YF091 1 9 Fig FA4 Fig FA5 BKT FRONT 6 7 WIRE MIC NOTE7 NOTE6a NOTE6b NOTE6b 19 S6b 20 S6b 21 S6b 21 S6b 22 S7 23 S7 17 S6a 18 S6a CN6 CN6 BOTTOM VIEW WIRING 24 S8a 26 S8c 27 S8c 25 S8b CN8 L8a L8b 8 8 NOTE8 ...

Page 10: ...E E 10 E E NOTE10b NOTE10a NOTE10c CN10a HEAT SINK1 WIRE JACK COVER MIC 12 11 37 S11b 38 S12 36 S11a 35 S11a 34 S11a NOTE11a NOTE11b NOTE11c NOTE12 GRIP BELT a a L12b L12a EJECT SW G 13 F F G L13a 39 S13a 40 S13a 41 S13a 42 S13b CN13a L13b L13c CN13b CN13c H FPC SENSOR FPC CN13b G H HEAT SINK1 NOTE13a NOTE13b SHIELD PLATE 0 059N㨯m 0 6kgf㨯cm ...

Page 11: ...91 1 11 Fig FA10 1 Fig FA10 2 46 S15b 47 S15b 48 S15b 45 S15a 43 S14 44 S14 14 15 CN14a CN14b CN14c CN14d a a b c d 0 059N㨯m 0 6kgf㨯cm NOTE15 BKT PRE REC BKT MECHA ASSY a b c d e f WIRING LOADING MOTOR NOTE15 ...

Page 12: ...ful not to break the FPC z 18 Removing MONITOR OPERATION BOARD ASSEMBLY 1 Remove the five screws 7 11 and remove the MONI TOR OPERATION BOARD ASSEMBLY NOTE8c When removing be careful in handling the parts BUT TON SET KNOB VIDEO DSC NOTE8d When attaching be careful with the positions and the directions of the parts After attachment make sure to perform a SLIDE SWITCH operation check Fig U1 Fig U2 F...

Page 13: ...ngle part replacement zAssembly of OP BLOCK ASSEMBLY CCD BOARD AS SEMBLY 1 Assemble the OP BLOCK ASSEMBLY in order first with the OP LPF then with the SHEET NOTE 9c Be careful with the direction of the OP LPF attachment 2 Attach the CCD BASE ASSEMBLY so that the SHEET stays in place and tighten with the two screws 4 5 keeping the BKT HEAT SINK in between 3 Attach the HEAT SINK2 4 Set the CCD BOARD...

Page 14: ...nd remove the FPC which is affixed to the back of the HOLDER SW 6 Remove the two hooks L16k m from both sides and remove the UPPER CASE VF NOTE16d When attaching be careful with the positions of the KNOB ADJ and the LENS ASSY Make sure to check the slide operation 7 Remove the FPC from the CASE LOWER to free the FPC and remove the LCD ASSEMBY LENS ASSEM BLY NOTE16e During the procedure be careful ...

Page 15: ...16q CASE LOWER LENS ASSY LCD ASSY COVER LENS CASE UPPER KNOB ADJ NOTE16d e NOTE16g NOTE16d NOTE16d NOTE16f CASE B LIGHT SHEET DIFF SHEET POLA 1 CUSHION LCD LCD MODULE GUIDE LCD HOLDER LCD SHEET POLA 2 STOPER POLA L16s L16t L16u L16r LCD ASSY NOTE16h NOTE16h NOTE16h NOTE16h ...

Page 16: ...ttaching make sure to place the CN17b under 4 Release the lock of the connector CN17c and pull out the FPC 5 Remove the screw 5 6 Remove the MONI BL BOARD ASSEMBLY and the BACK LIGHT together NOTE17d Since the BACKLIGHT is soldered to the BOARD AS SEMBLY SD17 they should be removed together except for the replacement 7 Remove the SHEET DIFF and the SHEET BEF 8 Remove the LCD MODULE 9 Remove the BK...

Page 17: ...nnecting the FPC 4 1 2 REQUIRED TEST EQUIPMENT Personal computer for Windows Color TV monitor Oscilloscope dual trace type observable 100MHz or higher frequency The one observable 300 MHz or higher frequency is recommended Digital voltmeter DC power supply or AC adapter Frequency counter with threshold level adjuster 4 1 3 TOOLS REQUIRED FOR ADJUSTMENT Torque driver Be sure to use to fastening the...

Page 18: ...e used for adjustment of the camera system For the usage of the INF adjustment lens refer to the Service Bulletin No YA SB 10035 Alignment tape To be used for check and adjustment of interchangeability of the mechanism PC cable To be used to connect the Videocamera and a personal computer with each other when a personal computer issued for adjustment Communication cable Connect the Communication c...

Page 19: ...nfirm that the waveform is flat when the tape has been played back again 7 Play back the self recording 8 Confirm that the waveform is flat Fig 4 3 1 Fig 4 3 2 4 4 ELECTRICAL ADJUSTMENT Electrical adjustment is performed by using a personal computer and software for SERVICE SUPPORT SYSTEM Read README TXT file to use the software properly As for the connection of cables see 4 2 JIG CONNECTOR CABLE ...

Page 20: ...lue exceeds the setting value take it as a rough measurement reference value and tighten the screw manually The specified torque value is a recommended value of the initial assembly Therefore set the value below the specified torque value in the assembling procedure Be careful not to break either the screws or the screw holes a㧦 0 069N㨯m 0 7kgf㨯cm ޓޓ b㧦 0 059N㨯m 0 6kgf㨯cm ޓޓ c㧦 0 147N㨯m 1 5kgf㨯cm ...

Page 21: ...ell 2 Though the idler gear and reel disk are engaged with each other the tape is not wound because of overload to the mechanism 3 No FG pulse is output from the reel sensor 4 No power is supplied to the reel sensor 5 Tape transport operation takes place with a cassette having no tape inside 6 The tape slackens and no pulse is produced until the slack is taken up and the tape comes into the normal...

Page 22: ... No YF091 AV MULTIMEDIA COMPANY CAMCORDER CATEGORY 12 3 chome Moriya cho kanagawa ku Yokohama kanagawa prefecture 221 8528 Japan Victor Company of Japan Limited VPT Printed in Japan ...