JVC GR-AXM17US, Service Manual

Page 1: ...SXM35UC GR SXM37UC GR SXM37US For disassembling and assembling of MECHANISM ASSEMBLY refer to the SERVICE MANUAL No 86700 MECHANISM ASSEMBLY TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 5 3 DISASSEMBLY 1 6 4 ADJUSTMENT 1 17 5 TROUBLESHOOTING 1 22 GR AXM17US M5A622 GR SXM35UC GR SXM37UC GR SXM37US M5C623 ...

Page 2: ...22 F Weight Approx 770 g 1 7 lbs GR AXM17US only 774 g 1 71 lbs Dimensions W H D 81 mm 125 mm 216 mm 3 1 4 4 15 16 8 9 16 with the LCD monitor closed and with the viewfinder fully tilted downward Pickup 1 6 format CCD Lens F1 8 f 2 2 mm to 44 mm 20 1 power zoom lens with auto iris and macro con trol filter diameter 30 5 mm GR AXM17US only F1 8 f 2 2 mm to 55 mm 25 1 power zoom lens with auto iris ...

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: ...te main different points between models GR AXM17US GR SXM35UC GR SXM37UC AND GR SXM37US MODEL GR AXM17US GR SXM35UC GR SXM37UC GR SXM37US TAPE FORMAT VHS C S VHS C S VHS C S VHS C BUILT IN LIGHT LAMP NO YES YES YES A V CABLE YES YES NO NO CASSETTE ADAPTER OPTIONAL OPTIONAL PROVIDE C P8U PROVIDE C P8U ...

Page 6: ...s 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 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 ...

Page 7: ...No PART NAME Fig No POINT NOTE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CASE COVER M ASSY LOWER CASE ASSY TOP COVER ASSY Inc TOPBOARDASSY VFASSY TOP BOARD ASSY VF ASSY UPPER CASE M ASSY Inc COVER UPPER M ASSY MONITOR ASSY COVER UPPER M ASSY MONITOR ASSY FRONT COVER ASSY Inc DC LIGHT MIC FRONT BOARD ASSY MIC FRONT FRAME SA MAIN BOARD ASSY OP FRAME ASSY BRACKET OP ASSY OP BLOCK ASSY SIELD ...

Page 8: ...1 S1 1 c c d d OP BLOCK ASSY 5 4 6 BOTTOM SIDE BOTTOM SIDE b b a a a CN1a CN1a CN2a CN3b CN3a CN2b u t B B A A 3 4 FFC WIRE 2 S2 3 S2 4 S2 5 S2 7 S2 6 S2 8 S2 9 S3a 10 S3b 11 S4 12 S4 13 S5 14 S5 15 S5 2 5 d d c 11 13 14 L5a L5b L4 L4 15 12 L3b L3a NOTE5 ...

Page 9: ...D DON T FLOAT SEE AND CHECK SW AFTER ATTACHING FPC NOTE8c DO NOT MAKE FPC SLACKEN IN THIS PART PROCESSED THROUGH THIS PART INSTALL THE RAINFORCEMENT BOARD WITH MONITOR OPENED FOR THE DAMAGE PREVENTION OF PUSH SWITCH B A D D 23 S7a 24 S7a 25 S7b SHEET FPC NOTE8b 7 26 S8a NOTE8a FPC 27 S8b 28 S8b A 8 NOTE8d B B C C C SWITCH L8b L8a SHEET FPC ...

Page 10: ...S10 NOTE9a NOTE9b LIGHT WIRE DO NOT OBSTRUCT THE RECEIVING PART OF SENSOR BY WIRE PASS THE WIRE OUTSIDE OF THIS BOSS MIC WIRE PASS THE WIRE BETWEEN THESE BOSSES SHIELD SHEET SHOULD BE PUTTED SHIELD PLATE BETWEEN FRAME TO MECHA 0 118N m 1 2kgf cm SHIELD NOTE12 FOIL SIDE B WIREING L9a a ...

Page 11: ...g FA9 f g e b L13 a c h j CN13j CN13h CN13g CN13f CN13e CN13a CN13b CN13c 34 S13 35 S13 d CN13d 13 SHIELD 37 S14a 38 S14b 36 S14a 39 S15 14 15 16 NOTE16 43 S18a 42 S18a 40 S17a 41 S17b 18 17 NOTE17 44 S18b 44 S18b L17 A A A 19 20 45 S19 46 S19 ...

Page 12: ...r to the Fig VF5 for the LENS SA disassembly NOTE 5d Refer to the Fig VF5 for the LCD SA disassembly NOTE 5e During the procedure be careful in handling the parts NOTE 5f When attaching the LEVER VF be careful in positioning with the LENS ASSY Attach the LEVER VF by pulling the LENS ASSY to the EYE CUP side After the attachment check whether the slide operation is smooth NOTE 5g When disassembling...

Page 13: ...5a L5a L5b 2 S5a 4 S5b b a b a BOTTOM CASE VF UPPER CASE VF LCD SA LENS SA NOTE5b NOTE5a TOP VIEW SIDE VIEW SUPPORT PLATE NOTE5a NOTE5b NOTE5a b 0 098N m 1 0kgf cm BOTTOM CASE VF VF BRACKET ASSY 5 S5c 6 S5c LCD SA BWVF BOARD ASSY FPC LENS SA NOTE5c NOTE5e L5f L5e L5c L5d CN5a ...

Page 14: ... GUIDE LCD LCD MODULE CUSHION LCD SHEET POLA 1 SHEET DIFF CASE B LIGHT LEVER VF GUIDE LENS LENS ASSY COMPRESSION SPRING SHAFT VF HOLDER EYE SHEET LENS EYE CUP LENS SA LCD SA NOTE5f NOTE5e f NOTE5g NOTE5e NOTE5e NOTE5e NOTE5e NOTE5e L5g L5h L5j L5m L5k L5p L5n ...

Page 15: ...SD8 NOTE 8c When removing the MONITOR BOARD ASSEM BLY and the BACKLIGHT together it is not neces sary to unsolder the two soldered parts SD8 4 Unlock the connector 8b and disconnect the FPC from the connector 8b 5 Disconnect the FPC from MONITOR CASE ASSEM BLY 6 Remove the screw 4 and remove the MONITOR BOARD ASSEMBLY while lifting the side of MONI TOR BOARD ASSEMBLY which has been attached with s...

Page 16: ...move the OP LPF zAssembly of CCD BASE ASSEMBLY and CCD BOARD AS SEMBLY 1 Set the OP LPF to the OP BLOCK ASSEMBLY so that the OP side touches the OP BLOCK ASSEMBLY NOTE 16a Pay careful attention to the orientation of the OP LPF 2 Set the SHEET to the OP LPF not to come off the right position 3 Attach the SPACER to the OP BLOCK ASSEMBLY 4 Fasten them together with the two screws 1 2 5 Set the CCD BO...

Page 17: ...rsonal 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 Alignment tape To be used for check and adjustment of interchangeability of the mechanism Vide...

Page 18: ...system For the us age of the INF adjustment lens refer to the Service Bulletin No YA SB 10035 Jig Connector Cable To be connected to the Jig connector jack of the main board and used for measurement and adjustment PC Cable To be used to connect the Videocamera and a personal com puter with each other when a personal computer issued for ad justment Communication Cable Connect the Communication cabl...

Page 19: ... the UPPER CASE ASSEMBLY so that the guide roller beside the DRUM ASSEMBLY can be rotated CASE COVER M ASSEMBLY LOWER CASE ASSEMBLY TOP COVER ASSEMBLY UPPER CASE M ASSEMBLY NOTE In performing adjustment it is recommended that LOWER CASE ASSEMBLY and TOP OPE UNIT are attached to the main body for better operation and safety Fig 4 3 4 1 Remove the Cover JIG shown on Fig 4 2 1 2 Connect the JIG CONNE...

Page 20: ...the TU GUIDE POLE adjust the angle slant of the A C HEAD to the tape So that the tape normally runs along the lower flange of the GUIDE POLE 4 3 4 A C head height azimuth Remove the exterior parts attached to the UPPER CASE ASSEMBLY so that the screws around the A C HEAD ASSEMBLY can be tighten or loosen CASE COVER M ASSEMBLY LOWER CASE ASSEMBLY TOP COVER ASSEMBLY UPPER CASE M ASSEMBLY FRONT FRAME...

Page 21: ...ing the tracking and buttons and confirm that the FM output level is maximum at the center position as shown in Fig 4 3 10 4 If necessary slightly loosen the setscrews D and E and insert the Tweezers into the notch and guide hole to move the A C HEAD fully in the direction of the capstan to the extent 5 Gradually move the A C HEAD toward the drum to find the position where the FM output level maxi...

Page 22: ...CABINET PARTS 12 13 14 15 16 20 17 19 18 㧝 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 setting limits of the torque value for the torque driver If the value exceeds the setting val...

Page 23: ... MOTOR as shown by the magnified view Fig 5 2 1 4 While holding down the cassette housing by hand con nect the jumper wires to a battery to run the mechanism to the EJECT position four unloading If this unloading operation is performed as the cassette housing is not held down by hand the front lid of the cassette may dam age the tape when it is ejected 5 For taking in the slack of the tape run the...

Page 24: ...Example in case of the error number E01 E01 UNIT IN SAFEGUARD MODE E01 REMOVE AND REATTACH BATTERY E VF Symptom Mode when observed E07 Short circuit of capstan MDA Power ON E06 CAPSTAN FG input absent CAPSTAN rotation E04 DRUM FG input absent DRUM rotation E03 SUPPLY REEL FG input absent REC PLAY SEARCH FF REW E02 Mode control motor rotates for more than 7 5 sec UNLOADING without shift to next mod...

Page 25: ... No YF073 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 ...