JVC GR-DA30UC, Service Manual

Page 1: ...any of Japan Limited For disassembling and assembling of MECHANISM ASSEMBLY refer to the SERVICE MANUAL No YF081 MECHANISM AS SEMBLY Lead free solder used in the board material Sn Ag Cu melting point 219 Centigrade TABLE OF CONTENTS 1 PRECAUTIONS 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 5 3 DISASSEMBLY 1 6 4 ADJUSTMENT 1 15 5 TROUBLE SHOOTING 1 18 GR DA30USM GR DA30UCM M7D323 ...

Page 2: ... f 2 3 mm to 69 mm 30 1 power zoom lens GR DA30US F 2 0 to 4 7 f 2 3 mm to 78 2 mm 34 1 power zoom lens GR DA30UC Filter diameter Ø27 mm LCD monitor 2 4 diagonally measured LCD panel TFT active matrix system Speaker Monaural LED Light Effective distance 1 5 m 5 ft For Digital Video Camera Format DV format SD mode Signal format NTSC standard Recording Playback format Video Digital component recordi...

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: ... No YF219 1 5 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Page 6: ...dentification 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 Example 4 S1a Remove 4 S1a screws 3 L1a Disengage 3 L1a hooks 2 SD1a Unsolder 2 SD1a points CN1a Remove a CN1a connector 5 Adjus...

Page 7: ...he FPC NOTE21a Disassemble the MONITOR ASSY if necessary During the procedure pay special attention not to damage or soil the surface NOTE21b LCD SA consists of three parts SHIELD MONI LCD MODULE and LCD CASE During the procedure pull out the whole unit before disassembling zDestination of connectors BATT COVER ASSY REAR ASSY TOP COVER ASSY POWER UNIT SPEAKER FRONT COVER ASSY LOWER CASE ASSY MIC B...

Page 8: ...g 3 2 1 Fig 3 2 2 1 Fig 3 2 2 2 Fig 3 2 3 1 L1 1 GRIP BELT HOOK 1 S2a 2 S2a 3 S2a 4 S2b 5 S2c 6 S2c 2 NOTE2c NOTE2b NOTE2a GRIP BELT 2 CN2a CN2b 7 S3 L3d L3b L3a L3c L4b L4a a CN3 L5 9 S4 10 S4 NOTE4 5 4 5 3 8 S3 a a ...

Page 9: ...No YF219 1 9 Fig 3 2 3 2 Fig 3 2 4 1 Fig 3 2 4 2 Fig 3 2 4 3 NOTE5 NOTE4 4 5 13 S6b 13 S6b 15 S7b 15 S7b L6a L6a 11 S6a 12 S6b 14 S7a 6 7 NOTE6 NOTE7 7 6 L6c L6b CN7 L7 NOTE8 HOOK 8 PLATE MIC 17 S8 16 S8 ...

Page 10: ...1 10 No YF219 Fig 3 2 5 Fig 3 2 6 Fig 3 2 7 Fig 3 2 8 19 S9a 18 S9a 19 S9a 18 S9a CN9 20 S9b 20 S9b 9 10 NOTE9 10 21 S10 22 S10 23 S10 NOTE11 11 24 S11 CN11b CN11a 25 S11 26 S12 12 ...

Page 11: ...S13 30 S13 30 S13 29 S13 L13a L13b L13c CN13 28 S13 27 S13 13 32 S14 33 S14 KNOB EJECT 31 S14 L14 34 S14 NOTE14b 13 14 NOTE14a 35 S15 36 S15 L15 15 14 L16a CN16a CN16e CN16d CN16d CN16c CN16c CN16b CN16b L16b L16c 37 S16 16 CN16a CN16e b c d a e a a e e d c c b b ...

Page 12: ...17 41 41 S17 S17 40 S17 NOTE17 17 38 S17 39 S17 FRAME ASSY 18 NOTE18a NOTE18b 42 S18 42 S18 L18 CN18 LED FPC COVER SWING 43 S18 43 S18 44 S19 45 S19 46 S19 MONITOR ASSY PLATE GRIP BELT NOTE19b NOTE19a 19 FPC MONITOR ASSY MONITOR ASSY 49 S20b 50 S20b 47 S20a 48 S20a NOTE20a NOTE20b 20 ...

Page 13: ...d CN21 L21e L21b L21f L21g FPC LCD_SA LCD_SA SHEET M REF SHEET M DIFF SHEET BEF LIGHT GUIDE MONITOR BOARD ASSY SIDE MONITOR COVER ASSY SIDE MONITOR COVER ASSY SHIELD CASE MONI LCD MODULE LCD CASE KNOB CURSOL NOTE21a NOTE21b NOTE21b 21 51 S21 ...

Page 14: ...EET and the OP LPF at tached NOTE11b Replace the CCD IMAGE SENSOR as a CCD BASE ASSY not as a single part replacement zAssembly of OP BLOCK ASSEMBLY CCD BOARD AS SEMBLY 1 Set the OP LPF first and then the SHEET to the OP BLOCK ASSY NOTE11c Be careful with the attachment direction of the OP LPF 2 Attach the CCD BASE ASSY first then the CCD BASE ASSY so that the SHEET stays in place and then tighten...

Page 15: ...necting 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 16: ...SB 10035 Color bar chart To be used for adjustment of the camera system For the usage of the INF adjustment lens refer to the Service Bulletin No YA SB 10035 Focus chart To be 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 Service...

Page 17: ...turning the GUIDE ROLLER TU 6 After the adjustment try the unloading motion once and confirm 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...

Page 18: ...ence drawing Fig No Screw tightening torque CABINET PARTS AND ELECTRICAL PARTS 1 CABINET PARTS AND ELECTRICAL PARTS 2 NOTE 㧝 㧖and㧖 㧖 This mark shows where to attach the screws Do not reuse the screws because the screw lock bond was applied to prevent the screws from loosening Prepare the specified screws and use them in place of the removed screws 㧞 Tightening torque for the screws There are setti...

Page 19: ...to damage the cassette tape left in the tape transport system as the cassette folder moves up ward in the EJECT mode unloading end 7 Apply DC 3V to the terminal electrode on the top of the LOADING MOTOR ASSY that can be seen from the bot tom side and then slide the SLIDE DECK ASSY to the un loading end Refer to Fig 5 2 6 NOTE During the procedure be careful not to attach grease or similar substanc...

Page 20: ...1 20 No YF219 Fig 5 2 5 Fig 5 2 6 Fig 5 2 7 Fig 5 2 8 CASSETTE COVER PVC TAPE LOADING MOTOR LOADING MOTOR LOADING MOTOR SLIDE DECK ASSY SLIDE DECK SLIDE DECK ASSY CENTER GEAR CENTER GEAR ...

Page 21: ...with the reel disk well 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 c...

Page 22: ... No YF219 VPT Printed in Japan Victor company of Japan Limited Camcorder Category 12 3 chome Moriya cho Kanagawa ku Yokohama city Kanagawa prefecture 221 8528 Japan ...