SERVICE MANUAL - Wiki Karat
Contents
1. shifted to STOP with the pinch roller 4 No power is supplied to the reel sensor set off This error is defined as Tape transport operation takes place with a cassette E03 However no REEL EMG is having no tape inside detected in the SLW STILL mode 6 The tape slackens and no pulse is produced until the REEL SUP REEL TU Slack is taken up and the tape comes into the normal 3 SEC 3 SEC status 3SEC 0 3 SEC 03SEC 3SEC 3SEC 0 1SEC 0 1SEC 3SEC DRUM FG In the case there is no DRUM FG The drum cannot be started or drum rotation is stopped input in the drum rotation mode for because tape transport load is too high 4 seconds or more This error is 1 Tape tension is extremely high defined as E04 and the 2 The tape is damaged or soiled with grease etc mechanism mode is shifted to The DRUM FG signal is not received by the syscon CPU STOP with the pinch roller set off 1 Disconnection in the middle of the signal line 2 Failure of the DRUM FG pulse generator hall element 3 No drum control voltage is supplied to the MDA LL No power is supplied to the DRUM MDA A FG In the case no en FGis 1 The CAPSTAN FG signal is not received by the syscon produced in the capstan rotation CPU mode for 2 seconds or more This 1 Disconnection in the middle of the signal line error is defined as E06 and the 2 Failure of the CAPSTAN FG pulse generator MR mechanism mode is shifted to element STOP with the2. 2 3 4 5 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 Example e 4 S1a Remove 4 Sla screws e 3 L1a Disengage 3 L1a hooks e 2 SD1a Unsolder 2 SD1a points e CN1a Remove a CN1a connector 5 Adjustment information for installation 3 2 2 ASSEMBLY DISASSEMBLY OF CABINET PARTS AND ELECTRICAL PARTS eDisassembly procedure NOTE 1a sf PART Fig POINT NOTE 1 COVERWIGCON FA1 Sta S1b JACK COVER DV NOTElab c 2 COVER TOP ASSY 5212 i 3 SHOE FA2 3 S3 i 4 CENTER COVER 4 S4 L4 NOTE4 5 REAR COVER ASSY FA3 3 S5a S5b 5c 5d L5a L5p CN5 NOTES 6 FRONT COVERIN MGJASSY FA4 2 S6a 3 S6b CN6 NOTE6a b 7 MIC ASSY 2 S7 BKT FRONT NOTE 8 UPPER CASE ASSY FAS S8a S8b 2 S8c CN8 L8a L8b NOTES 9 OP FRAME ASSY FAG 2 S9 CN9a CN9b 10 LOWER ASSY FAT CN10a CN10b CN10c 4 10 NOTE10ab 11 COVER FRONT ASSY FAS 3 S11a S11b JACKCOVER MIC NOTEffab 12 FRONT BOARD ASSY 12 L12a L12b NOTE12 13 MAIN BOARD ASSY FAQ 3 S13a 2 L13a SHI
3. Release the lock of the connector CN17a b and re NOTE 17c A move the HINGE ASSEMBLY by pulling it up HINGE UNIT NOTE17c During the procedure be careful in handling the FPC When attaching 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 BOARD ASSY NOTE17d NOTE17b Since the BACKLIGHT is soldered to the BOARD AS SEMBLY SD17 they should be removed together except for the replacement MONI BL 7 Remove the SHEET DIFF and the SHEET BEF BOARD ASSY 8 Remove the LCD MODULE NOTE17d 9 Remove the BKT LCD ASSY BACKLIGHT ASSY NOTE17d SHEET DIFF SHEET BEF LCD MODULE BKT LCD ASSY L17g MONITOR CASE 0 078N m 0 8kgf cm 0 198N m 2 0kgf cm 1 16 No YF089 SECTION 4 ADJUSTMENT 4 1 PREPARATION 4 1 1 Precaution Camera system and deck system of this model are specially adjusted by using PC However if parts such as the following are replaced an adjustment is required The adjustment must be performed in a Service Center equipped with the concerned facilities e OP BLOCK ASSEMBLY e VF ASSEMBLY e MONITOR ASSEMBLY e EEP ROM IC1005 of MAIN board In the event of malfunction with electrical circuits first find a defective portion with the aid of proper test instruments as shown in the following electrical adjustment pr
4. be sure to read and comply with these and other cautionary notices appearing in the operation and service manuals 2 Parts identified by the AAsymbol and shaded are critical for safety Replace only with specified part numbers NOTE Parts in this category also include those specified to comply with X ray emission standards for products using cathode ray tubes and those specified for compliance with various regulations regarding spurious radiation emission 3 Fuse replacement caution notice Caution for continued protection against fire hazard Replace only with same type and rated fuse s as specified 4 Use specified internal wiring Note especially e Wires covered with PVC tubing e Double insulated wires e High voltage leads 5 Use specified insulating materials for hazardous live parts Note especially e Insulation Tape e PVC tubing e Spacers parts Insulation sheets for transistors Barrier 6 When replacing AC primary side components transformers power cords noise blocking capacitors etc wrap ends of wires securely about the terminals before soldering of 47 Fig 1 1 1 7 Observe that wires do not contact heat producing parts heatsinks oxide metal film resistors fusible resistors etc 8 Check that replaced wires do not contact sharp edged or pointed parts 9 When a power cord has been replaced check that 10 15 kg of force in any direction will not loosen it Power cord Fig 1 1 2 1
5. 500 V DC AC1KV1 minute kV 1 minute d d 2 3mm N to 240 V Buat A mn _ 5 KV 1 minute d gt 110 to 130 V USA amp Canada 1MQ lt R lt 12M0 500 VDC AC 1 KV 1 minute d d gt 3 2mm AC 3 kV 1 minute d 2 4mm 110 to 130 V i Cas ml 8 A R gt 10 MO DC gt p 200 to 240 V Europe iias MSN AC 1 5 KV 1 minute d 28 Power cord Class 1 d 2 6 mm Primary wire Fig 1 1 11 AC Line Voltage Leakage Current Leakage Current i _ Er he lt 0 7mA K 110 to 130 V 110 to 130 V 220 to 240 V Europe Australia 2 i lt 0 7 mA peak i lt 2 mA de Other terminals Fig 1 1 12 NOTE These tables are unofficial and for reference only Be sure to confirm the precise values for your particular country and locality 1 4 No YF089 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS 2 1 DIFFERENCE LIST The following table indicate main different points between models GR DF430US GR DF450US AND GR DF470US MODEL NAME GR DF430US GR DF450US GR DF470US BODY COLOR Silver PU coat Silver PU coat No YF089 1 5 SECTION 3 DISASSEMBLY 3 1 BEFORE ASSEMBLY AND DISASSEMBLY 3 1 1 Precautions e Be sure to disconnect the power supply unit prior to mounting and soldering of parts Prior to removing a component part that needs to disconnect its connector s and its screw s first disconnect the wire s from the connector s and then remove the screw s When connecting disconnecting wires pay enough attention not to
6. ASSEMBLY OBefore disassembly As the VF ASSEMBLY has complicated structure do not dis assemble if not needed Inside the VF is divided into two units LCD ASSEMBY LENS ASSEMBY and each unit is made up of several parts Disas semble the VF ASSEMBLY if necessary When assembling pay special attention not to allow foreign materials dusts etc commingling inside and not to soil the LENS or the SHEET eDisassembly of the CABINET PARTS 1 Remove the four screws 1 4 and remove the GUIDE VF NOTE16a When removing be careful not to damage the hooks NOTE16b Be careful in handling the GUIDE VF as there is grease applied inside 2 Remove the screw 5 and remove the PLATE CLICK 3 Remove the screw 6 and remove the HOLDER EYE CAP and the EYE CAP 4 Pull out the VF ASSEMBLY then remove the screw 7 and free the FPC NOTE16c During the procedure be careful not to cut damage the FPC 5 Peel off and 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 not to cut damage the FPC NOTE16f When attaching be careful in handling the
7. aJoU SMOJOS y JO anbJoy BuruaqyBi Z SMOJOS OAOLU I y JO S9e A UI WAY asn pue SMAJIS paldads ay auedaly Buluasoo wo SMSJIS HU JUSAS IA O paljdde sem puoq 490 MaJos ay asnegaq smeaJos ay asna JOU og smalos ay y9eye o BI UM SMOUS yew SIULI L JLON 0 Jenbobuueybr mens ZA AA on Buimeip aouslejoy 1 1 ues sons ar aoe 11919 lp cl Zl 1 mass Jo Japso Bunoway ASSY JAl9L o 2 pe oanbjbuueyybn mes a ea en IN oN 514 Sumeip ecuesejey sjaja uag sons sop asar R E AC ee E N U U 0 I Gi I a ASSY AY VOY 0199 ASSV 19019 dole ASSY ASV O Y3ddN g ee a Je a TO SS SS L Olws Mo SW aB Guimesp ecuesejoy ELLI RR RR RR Jo mors ons 0 2021 sy 17 ov sp vy er cr ly Ov Ge sej Ze oe Se e ce ce le OE 6z 82 mauos Jo sapo Bumnowey leU biw Cte Siz tun Sifted Tel J oN ogue Z SLYVd WOIMLOATS ANY SLYVd LANIGVO J SI malos o Al Oa on Buimeup soussejoy TR RAR RR RAR RR RR mens ons or soe zz poz oz re3 ez zz t2 oz 6L Jer Jar Jar js vr Jer ler Ju Jo J6 Je 2 Jo Ss v E 2 L mais jo sapio Bumowey lg lal al le fal il lou ogue L SLYVd WOIMLOATS ANY SLYVd LANIGVO SERVICE NOTE 1 20 No YF089 5 1 5 2 EMERGENCY DISPLAY Example in case of the error number E01 Whenever some abnormal signal is input to the syscon CPU an error number E01 as an example is displayed on the LCD E01 E01 monitor
8. damage the connectors When inserting the flat wire to the connector pay attention to the direction of the flat wire Be careful in removing the parts to which some spacer or shield is attached for reinforcement or insulation When replacing chip parts especially IC parts first remove the solder completely to prevent peeling of the pattern Tighten screws properly during the procedures Unless otherwise specified tighten screws at a torque of 0 069N m 0 7kgf cm However as this is a required value at the time of production use the value as a measuring stick when proceeding repair services See SERVICE NOTE as for tightening torque 3 1 2 Destination of connectors Two kinds of double arrows in connection tables respectively show kinds of connector wires Flatwire lt gt Wire Board to board B B The connector of the side to remove CONN No CONNECTOR PIN No CN2a MAIN CN101 lt gt MONIBW CN761 40 CN2b MAIN CN103 gt MINI BW CN762 10 3 1 3 Disconnection of connectors Wires CA SETS FPC Connector FPC MS i Aa ra ends of as N the in fat Extend the locks in the direction of the arrow for EG TEMPE IME BER ane PI COMES ine ts unlocking and then pull out the wire After wire removing the wire immediately restore the locks to their original positions because the locks are Wire 4 4 apt to come off the connector FPC Connector FPC Connector Pull the both ends of
9. the board in the direction of the arrow and remove the B B Connector Extend the locks in the direction of the arrow for unlocking and then pull out the wire Afte removing the wire immediately restore the locks to their original positions because the locks are apt to come off the connector B B Connector t B B DI gt Pull the both ends of the board in the direction of the arrow and remove the B B Connector 1 6 No YF089 3 1 4 Tools required for disassembly and assembly Torque driver Bit Tweezers YTU94088 YTU94088 003 P 895 Chip IC replacement jig Cleaning cloth PTS40844 2 KSMM 01 Fig 3 1 2 Torque driver Be sure to use to fastening the mechanism and exterior parts be cause those parts must strictly be controlled for tightening torque e Bit This bit is slightly longer than those set in conventional torque drivers e Tweezers To be used for removing and installing parts and wires Chip IC replacement jig To be used for replacement of IC e Cleaning cloth Recommended cleaning cloth to wipe down the video heads mechanism tape transport system optical lens surface 3 2 ASSEMBLY AND DISASSEMBLY OF MAIN PARTS 3 2 1 Assembly and disassembly When reassembling perform the step s in reverse order a a PART EJ POINT NOTE 1 TOP COVER ASSY C1 4 Sta 3 L1a CN1a S2a 2 S2b 3 S2c 2 SD1a UPPER ASSY Inc VF ASSY SPEAKER MONITOR L2 CN2a b E VF UNIT B W 2 S8 L8 CN8a ee
10. 0 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 Consequently when servicing these products replace the cathode ray tubes and other parts with only the specified parts Under no circumstances attempt to modify these circuits Unauthorized modification can increase the high voltage value and cause X ray emission from the cathode ray tube 12 Crimp type wire connectorln such cases as when replacing the power transformer in sets where the connections between the power cord and power trans former primary lead wires are performed using crimp type connectors if replacing the connectors is unavoidable in order to prevent safety hazards perform carefully and precisely according to the following steps e Connector part number E03830 001 e Required tool Connector crimping tool of the proper type which will not damage insulated parts e Replacement procedure a Remove the old connector by cutting the wires at a point close to the connector Important Do not reuse a connector discard it X R A cut close to connector Fig 1 1 3 b Strip about 15 mm of the insulation from the ends of the wires If the wires are stranded twist the strands to avoid frayed conductors 1 A LR Fig 1 1 4 c Ali
11. 13b gt HEAT SINK1 NOTE13a x 0 059N m 30 0 6kgf cm S13a S13a BKT MECHA ASSY NOTE15 BKT PRE REC E O M O Y E Z LO o ES Fig FA10 1 A LO LLI l O Z V lt WIRING gt Fig FA10 2 No YF089 1 11 3 2 3 DISASSEMBLY of 8 UPPER ASSEMBLY o 16 Removing VF ASSEMBLY 1 Remove the FPC from the connector CN8a 2 Remove the three screws 1 3 and remove the VF AS SEMBLY NOTE8a During the procedure be careful not to break the FPC e 17 Removing MONITOR ASSEMBLY 1 Remove the screw 4 2 Remove the connector CN8b and remove the FPC 3 Remove the two screws 5 6 and remove the MONI TOR ASSEMBLY NOTE8b During the procedure be careful not to break the FPC e 18 Removing MONITOR OPERATION BOARD ASSEMBLY 1 Remove the five screws 7 11 and remove the MONI TOR OPERATION BOARD ASSEMBLY NOTES8c 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 4 S8a 0 147N m 1 5kgf cm Fig U2 lt NOTE8b gt lt NOTE8a gt NN CN8b 1 8 NOTE8c d BUTTON SET KNOB VIDEO DSC NOTE8c d Fig U1 1 12 No YF089 3 2 4 DISASSEMBLY of 9 OP BLOCK ASSMBLY CCD BOARD ASSEMBLY eCAUTIONS 1
12. 2 kHz 4 channel 12 bit 48 kHz 2 channel 16 bit using 80 min cassette For Digital Stil Camera GR DF470 File size Still image 2 modes 1024 x 768 pixels 640 x 480 pixels only Moving image 1 mode 160 x 120 pixels 2 modes FINE STANDARD S Pe E 0 8 V to 1 2 V p p 75Q analog C 0 2 V to 0 4 V p p 75Q analog C 0 29 V p p 75Q analog Video output 0 V p p 75Q analogue Audio input 300 mV rms 50kQ analog stereo 30 For Connectors V 1 USB GR DF470 450 only Mini USB B type USB 1 1 2 0 compliant Supports at the maximum of Full Speed 12 Mbps when using USB Mass Storage Class driver MAC Adapter Power requirement AC 110 Vt 240 V 50 Az 60 Hz Output DC11V 1A Specifications shown are for SP mode unless otherwise indicated E amp O E Design and specifications subject to change without notice 1 2 No YF089 SECTION 1 PRECAUTIONS 1 1 SAFTY PRECAUTIONS Prior to shipment from the factory JVC products are strictly inspected to conform with the recognized product safety and electrical codes of the countries in which they are to be sold However in order to maintain such compliance it is equally important to implement the following precautions when a set is being serviced 1 1 1 Precautions during Servicing 1 Locations requiring special caution are denoted by labels and inscriptions on the cabinet chassis and certain parts of the product When performing service
13. AUTO IRIS UNIT NOTE9e ZOOM MOTOR UNIT OP BLOCK ASSY NOTE9c SEMBLY Instead replace the whole CCD BASE AS SEMBLY NOTE9c Since the OP LPF is inside the LPF HOLDER and the OP LPF is attached to the LPF HOLDER by using the SHEET remove the OP LPF from the LPF HOLDER if necessary In removing the OP LPF from the LPF HOLDER be careful not to damage the LPF HOLDER and remove the SHEET carefully if you want to use the same SHEET in attachment procedure NOTE9d In removing the OP LPF be careful of the direction of its attachment Since one side of the OP LPF is coated for the purpose of protection attach the OP LPF so that the coated side faces the OP lens a subject of photograph OReplacement of service repair parts The service repair parts for the OP BLOCK ASSEMBLY are as listed below When replacing the parts pay special attention not to cut damage the FPC or not to cause any damage by soldering ex cessive heating 1 FOCUS MOTOR UNIT 2 ZOOM MOTOR UNIT 3 AUTO IRIS UNIT NOTE9e When replacing the FOCUS MOTOR UNIT or the ZOOM MOTOR UNIT solder the FPC at a space of about 0 5 mm above the terminal pin NOTE9f The AUTO IRIS UNIT includes the FPC ASSEMBLY and two SENSORS NOTE9b CCD BOARD ASSY NOTE9e FOCUS MOTOR UNIT NOTE9a A SINK MASK HEAT SINK2 a a BASE ASSY HOLDER NOTE NOTE9c NOTE9c d OP LPF x 0 118N m 1 2kgf cm No YF089 1 13 3 2 5 DISASSMBLY of 16 VF
14. During the procedure be careful in handling the CCD IMAGE SENSOR OP LPF and lens components Pay special attention not to soil dust or scratch the sur faces If the surfaces are soiled with fingerprints and others they should be wiped away using silicon paper clean chamois or cleaning cloths 2 The CCD IMAGE SENSOR may be shipped with a protective seal attached to the transmitting glass When replacing the CCD IMAGE SENSOR do not peel off the protective seal from the new part until immediately before it is mounted in the OP BLOCK ASSEMBLY 3 The attachment direction of the OP LPF is so important for installation that there may be a marking Be careful when removing the OP LPF and make sure to attach it exactly as same as its original status eDisassembly of OP BLOCK ASSEMBLY CCD BOARD AS SEMBLY 1 Remove the three screws 1 3 and remove the BKT OP ASSEMBLY 2 Remove the HEAT SINK2 3 Remove the two screws 4 5 and remove the CCD BOARD ASSEMBLY together with CCD BASE ASSEMBLY 4 Remove the LPF HOLDER from the CCD BASE AS SEMBLY and remove the MASK NOTE Qa Since the MASK is between the LPF HOLDER and CCD IMAGE SENSOR be careful in handling the MASK NOTE9b In removing the CCD IMAGE SENSOR unsolder the fourteen soldered parts SD9a and remove the CCD BASE ASSEMBLY from the CCD BOARD ASSEMBLY In replacing the CCD IMAGE SENSOR don t remove the CCD IMAGE SENSOR from the CCD BASE AS NOTE9e f
15. ELD PLATE NOTE 3ap CN13a b c S13b 14 MDA BOARD ASSY FA10 1 CN14a b c d 2 S14 E 15 MECHA B ASSY __ FA10 2 15a BKT PRE REC 3 S15b NOTE45 BKT MECHA ASSY During the procedure leave the CASSETTE COVER C COVER open NOTE1b When removing the screw No 2 leave the JACK COVER DV open Be careful in handling the JACK COVER DV as it comes off together when disassembling NOTE1c When removing the JACK COVER DV leave the VF AS SEMBLY pulled out NOTE4 During the procedure leave the CASSETTE COVER C COVER open NOTES When removing the screw No 15 leave the JACK COVER DC open NOTE6a During the procedure be careful not to break the MAIN BOARD parts NOTE6b When attaching the screw No 20 be careful not to damage the FFC NOTEZ When attaching be careful with the wiring NOTES During the procedure leave the CASSETTE COVER C COVER open NOTE10a As the screw No 31 is located under the connector CN10a pull out the connector first before removing the screw NOTE10b During the procedure be careful in handling the HEAT SINK1 NOTE10c When attaching be careful with the wiring NOTE11a During the procedure remove the GRIP BELT NOTE11b During the procedure leave the CASSETTE COVER C COVER open NOTE11c When disassembling be careful in handling the JACK COV ER MIC as it comes off together NOTE12 During the procedure
16. FPC 8 Remove the connector CN16 and the hook L16p q and remove the VF BOARD ASSEMBLY NOTE16g When removing be careful not to damage the hooks eDisassembly of LCD SA LENS SA Refer to the Fig VF4 for the disassembly of the LCD ASSEM BLY and disassemble if needed NOTE16h During the procedure be careful in handling the parts Pay special attention not to damage soil or leave finger prints on the surface 1 14 No YF089 NOTE16a b GUIDE VF PLATE CLICK 0 059N m 0 6kgf cm Fig VF1 NOTE16c FPC Re cee EYE CAP lt NOTE16d e gt KNOB ADJ NOTE16d lt LCD ASSY gt gt gt Aq CASE UPPER CASE B LIGHT NOTE16d NOTE16h LENS ASSY SHEET DIFF NOTE16g FA LCD ASSY L16p NOTE16h SHEET POLA 1 CUSHION LCD NOTE16f CASE LOWER NOTE16h LCD MODULE NOTE16h SHEET POLA 2 STOPER POLA Fig VF4 No YF089 1 15 3 2 6 DISASSEMBLY of 17 MONITOR ASSEMBLY lt NOTE17a gt L17c lt NOTE17c gt L17d FPC eDisassembly of MONITOR ASSEMBLY 1 Remove the three screws 1 4 and remove the MONI TOR COVER ASSEMBLY by disengaging the five hooks L17a e NOTE17a When removing be careful not to damage the hooks 2 Pull out the U D SWITCH BOARD from the MONITOR MONITOR CASE ASSEMBLY COVER ASSY NOTE17b NOTE17a When attaching make sure to place the FPC over the HINGE ASSEMBLY and set it in the slot of the MON ITOR CASE 3
17. OR OSCILLOSCOPE RED TO JLIP_RX 18 WHITE TO ENV OUT Em TO JLIP_TX TO HID gt BLACK TO GND m E Jig connector diagrams JIG CONNECTOR CABLE YTU93106C MAIN CN113 NG 9 MAIN VCO NOTE The JIG connector board uses 30 pins from among 40 pins of CN113 on the MAIN board Pins 1 to 5 21 to 24 and 34 of CN 113 on the MAIN board are not used JIG CONN BOARD PIN NO CIAO sl IMR fof No I Fig 4 2 2 4 3 MECHANISM COMPATIBILITY ADJUSTMENT 4 3 1 Tape pattern adjustment NOTE Prior to the adjustment remove the COVER ADJ 1 Play back the compatibility adjustment tape 2 While triggering the HID observe the waveform of ENV OUT 3 Set the manual tracking mode ATF OFF 4 Confirm that the waveform is entirely parallel and straight and free from remarkable level down through the tracking operation Make the confirmation as follows if necessary 5 If level down is observed on the left hand side of the waveform straighten the level by turning the GUIDE ROLLER SUP If level down is observed on the right hand side of the waveform straighten the level by turning the GUIDE ROLLER TU For actual adjustment first turn both the GUIDE ROLL ERS SUP and TU to tightening direction clockwise in or der to misalign the waveform once Next turn the GUIDE ROLLERS to returning direction counterclockwise then stop tu
18. SERVICE MANUAL DIGITAL VIDEO CAMERA GR DF430US GR DF450US GR DF470US MultiMediaCard GR DF430USM M5D5S3 GR DF450USM MS5D5S5 GR DF470USM M5D5S7 For disassembling and assembling of MECHANISM ASSEMBLY refer to the SERVICE MANUAL No 86700 MECHANISM ASSEMBLY TABLE OF CONTENTS 1 PRECAUTIONS 45 24300064540050 radica addon Sean 1 3 2 SPECIFIC SERVICE INSTRUCTIONS cosida nennen a 1 5 3 DISASSEMBLY a bee ee eee wae a be oa eh la r r ee a 1 6 A ADJUSTMENT zu cease i inn Gre pe eae aa ai 0 ee ee as 1 17 5 TROUBLE SHOOTING 020 a RR ew ew EG dS KORO Oe awe RR eee ee EN 1 20 COPYRIGHT 2005 Victor Company of Japan Limited No YF089 2005 4 SPECIFICATION WCamcorder For General Power supply DC 11 0 V Using AC Adapter DC 7 2 V Using battery pack Approx 3 2 W 3 5W LCD monitor off viewfinder on Approx 4 2W 4 5W LCD monitor on viewfinder off Using LED Light Power consumption 75 mm x 74mm x 111 mm 3 x 2 15 16 x 4 3 8 with the LCD monitor closed and the viewfinder pushed back in Approx 400g 0 89 Ibs without battery cassette memory card and lens cap Approx 480 g 1 06 Ibs incl battery cassette memory card and lens cap 0 C to 40 C 32 F to 104 F 35 to 80 Storage temperature 20 C to 50 C 4 F to 122 F Pickup 1 6 CCD AA Filter diameter Electronic viewfinder with 0 16 color LCD For Digital Video Camera Recording Playback PCM digital recording 3
19. be careful not to break the 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 ODestination of connectors CONNECTOR CN103 gt REAR CN501 MIC MONI OPE CN601 OP BLOCK CCD CN5001 FRONT CN401 CAMERA OPE SPEAKER MDA SENSOR HEAD LOADING MOTOR ROTARY ENCORDER SW DRUM MOTOR 0 1 8128 1218 TiC 191010 01 CAPSTAN MOTOR No YF089 1 7 A gt O H H O a V lt NOTE1b gt NOTE1a CASSETTE Fig FA2 Fig FA1 lt BOTTOM VIEW gt Fig FA3 1 8 No YF089 lt WIRING gt Fig FA4 A LL gt O H H O a V 23 S7 NOTE6b q G Ind AN ta Veo H NEAR YA 72 N ON ADA e A WWW 2 K IN f aN f WKN 9 N V Ly ES YA A Sy Al 0 y ANN gt N x NR Ay N 4 ON I ry KN Ye lt T bese DES Vd o A 4 aN F L DEN K IN WS Y OS N IK RRA U NE Cy N N EEN AN 0 dR f U Shee A GG No YF089 1 9 Fig FA5 1 10 No YF089 Fig FA6 HEAT SINK1 NOTE10b NOTE11a GRIP BELT 12 NOTE11b JACK COVER MIC NOTE11c EJECT SW NOTE12 Fig FA8 lt NOTE
20. ce 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 cable between the PC cable and Jig connector cable when performing a PC adjustment Service support system To be used for adjustment with a personal computer Software can be downloaded also from JS net Jig connector cable Connected to JIG CONNECTOR of the main board and used for electrical adjustment etc Extension connector Connect this extension connector to the connector of the Jig connector cable for extending the cable connector Conversion connector Conversion connector is used to convert the connector part of the JIG connector cable 18 No YF089 4 2 JIG CONNECTOR CABLE CONNECTION E Connection procedure GUIDE ROLLER TU COVER TOP ASSY C m on x JIG CONNECTOR CABLE GUIDE ROLLER SUP EXTENSION CONNECTOR YTU94145D 40 CONVERSION CONNECTOR TU94145F 40 eo JACK COVER L DV JIG CONNECTOR CN113 L EELEE OLEOLE EAN 40 21 SERVICE SUPPORT SYSTEM J JIG CONNECTOR CABLE RS232C COM PORT PC CABLE COMMUNICATION CABLE 11 APPEAR PERSONAL COMPUTER FOR COMMUNICATION CABLE JIG CONNECTOR COMMUNICATION CABLE JIG CONNECT
21. en replacing primary circuit components confirm specified clearance distance d d between soldered terminals and between terminals and surrounding metallic parts See Fig 1 1 11 below Chassis Power cord primary wire 4 Leakage current test Confirm specified or lower leakage current between earth ground power cord plug prongs and externally exposed accessible parts RF terminals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc Measuring Method Power ON Insert load Z between earth ground power cord plug 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 Externally exposed accessible part 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 ohm meter between earth pin in AC inlet and exposed accessible parts See Fig 1 1 10 and grounding specifications Exposed accessible part Milli ohm meter Grounding Specifications Region Grounding Impedance Z USA amp Canada Z lt 0 1 ohm Europe amp Australia lt 0 5 ohm Fig 1 1 10 AC Line Voltage Region Insulation Resistance R Dielectric Strength Clearance Distance d d TV J R gt 1 MO
22. gn the lengths of the wires to be connected Insert the wires fully into the connector Metal sleeve Connector Fig 1 1 5 d As shown in Fig 1 1 6 use the crimping tool to crimp the metal sleeve at the center position Be sure to crimp fully to the complete closure of the tool Crimping tool Fig 1 1 6 e Check the four points noted in Fig 1 1 7 Crimped at approx center Not easily pulled free of metal sleeve Conductors extended Wire insulation recessed more than 4 mm Fig 1 1 7 No YF089 1 3 1 1 2 Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration Observe that screws parts and wires have been returned to original positions Afterwards perform the following tests and confirm the specified values in order to verify compliance with safety standards 1 Insulation resistance test Confirm the specified insulation resistance or greater between power cord plug prongs and externally exposed parts of the set RF terminals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc See table 1 below 2 Dielectric strength test Confirm specified dielectric strength or greater between power cord plug prongs and exposed accessible parts of the set RF terminals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc See Fig 1 1 11 below 3 Clearance distance Wh
23. ocedure and then commence necessary repair replacement adjustment In observing chip TP use IC clips etc to avoid any stress Prior to replacement of chip parts especially IC remove the solder completely to prevent peeling of the pattern Use a patch cord if necessary As for a patch cord see the BOARD INTERCONNECTIONS Since connectors are fragile carefully handle them in disconnecting and connecting 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 Bit Tweezers YTU94088 YTU94088 003 P 895 Chip IC Replacement Jig Cleaning Cloth Guide Driver Hexagonal PTS40844 2 KSMM 01 D 770 1 27 INF Adjustment Lens INF Adjustment Lens Holder Camera Stand YTU92001B YTU94087 YTU93079 en Light box Assembly Gray Scale Chart Color Bar Chart YTU93096A YTU94133A YTU94133C Conversion Connector YTU94145F 40 Torque driver Be sure to use to fastening the mechanism and exterior parts because those parts must strictly be controlled for tightening torque e Bit This bit is slightly longer than those set in conventional torque drivers s Tweezers To be used for removing and installing parts and
24. or in the electronic view finder In every error status UNIT IN REMOVE AND such the message as shown below alter nately appear over and SAFEGUARD MODE REATTACH BATTERY over e In an emergency mode all operations except turning on off the POWER switch are ineffectual E01 LOADING In the case the encoder position is 1 The mechanism is locked during mode shift not shifted to the next point though 2 The mechanism is locked at the mechanism loading end the loading motor has rotated in the because the encoder position is skipped during loading direction for 4 seconds or mechanism mode shift more This error is defined as E01 3 No power is supplied to the loading MDA E02 UNLOADING In the case the encoder position is 1 The mechanism is locked during mode shift not shifted to the next point though 2 The mechanism is locked at the mechanism loading end the loading motor has rotated in the because the encoder position is skipped during unloading direction for 4 seconds or mechanism mode shift more This error is defined as E02 TU amp SUP REEL FG In the case no REEL FG is The idler gear does not engage with the reel disk well produced for seconds shown in the 2 Though the idler gear and reel disk are engaged with table below or more in the capstan each other the tape is not wound because of overload rotation mode after loading was to the mechanism complete the mechanism mode is 3 No FG pulse is output from the reel sensor
25. pinch roller set 2 No capstan control voltage is supplied to the MDA off However no CAPSTAN EMG is 3 The capstan cannot be started or capstan rotation is detected in the STILL FF REW stopped because tape transport load is too high mode 1 Tape tension is extremely high Mechanical locking 2 The tape is damaged or soiled with grease etc Tape tangling occurs etc Fig 5 3 1 No YF089 1 21 JVC Victor Company of Japan Limited AV 8 MULTIMEDIA COMPANY CAMCORDER CATEGORY 12 3 chome Moriya cho kanagawa ku Yokohama kanagawa prefecture 221 8528 Japan No YF089 Ve Printed in Japan VPT
26. rning at the point where the waveform becomes flat Turn only the GUIDE ROLLER SUP further more then stop turning at the point where the waveform starts chang ing 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 ENV_OUT HID Fig 4 3 1 gt Flatten the waveform Misalignment of guide Misalignment of guide roller roller height on the height on the take up side supply side Fig 4 3 2 44 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 CONNECTION No YF089 1 19 SECTION 5 TROUBLE SHOOTING wu9 JBA0 Z W N86V 0 wu9 JB48 0 W N8 00 9 WI JBAZ L W NBLLO p tOo 3BxG 1 W NZpL O 9 u9 JB49 0 W N6SOO q W9 J647 0 W N690 0 e S9JOY M S y JO SMAJIS y JSYYS YE IG O JOU NJaJeo ag aunpedo d Buljquiesse y ul njea anb o payivads y mojaq anj en y jes ajojelay jqwosse jeu ay jo anjea papuaWWooal e SI njea anb o payy oads ay A enueu malos ay us ybi pue anjeA a9usa ajal juawainsesau ybnoJ e se y aye anjea Bulnes y spasoxa anjen ay J JOAUP anb10 y 104 anjea anb o ay jo syw Hues ae
27. wires No YF089 1 17 1 Chip IC replacement jig To be used for adjustment of the camera system Cleaning cloth Recommended the Cleaning cloth to wipe down the video heads mechanism tape transport system optical lens sur face Guide driver Hexagonal To be used to turn the guide roller to adjustment of the linarity of playback envelope INF adjustment lens 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 INF adjustment lens holder To be used together with the Camera stand for operating the Videocamera in the stripped down condition such as the sta tus without the exterior parts or for using commodities that are not yet conformable to the interchangeable ring For the usage of the INF lens holder refer to the Service Bulletin No YA SB 10035 Camera stand To be used together with the INF adjustment lens holder For the usage of the Camera stand refer to the Service Bulletin No YA SB 10035 Light box assembly To be used for adjustment of the camera system For the usage of the Light box assembly refer to the Service Bulletin No YA SB 10035 Gray scale 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 Color bar chart To be used for adjustment of the camera system For the usage of the INF adjustment lens refer to the Servi
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