JVC GRD70US
Service Manual

1. Alignment tape To be used for check and adjustment of interchangeability of the mechanism. 2. Guide driver (Hexagonal) To be used to turn the guide roller to adjustment of the linarity of playback envelope. 3.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. 4.INF lens holder To be used together with the Camera stand (6) for operating the Videocamera in the stripped-down condition such as the status 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. 5.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. 6.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. 7.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. 8.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. 9. Jig connector cable Connected to CN105 of the main board and used for electrical adjustment, etc. NOTE: Only some of the connectors in the JIG connector (YTU93106B) are soldered to wires. It is desirable that you solder all the connectors to wires before using the JIG connector (YTU93106B), but you should solder only the connectors shown in the following JIG connector schematic diagram to wires because they are used in this model. As for the details, see 3.3 JIG CONNECTOR CABLE. 10.Extension connector Connect this extension connector to the connector of the jig connector cable for extending the cable connector. NOTE: removing the cover (for jig), use this extension connector triple for connecting the jig connector cable. 11.Communication Cable Connect the Communication cable between the PC cable and Jig connector cable when performing a PC adjustment. 12.PC cable To be used to connect the Videocamera and a personal computer with each other when a personal computer issued for adjustment.

13.Service support system To be used for adjustment with a personal computer. Software can be downloaded also from JS-net. 14.Cleaning cloth Recommended the Cleaning cloth to wipe down the video heads, mechanism (tape transport system), optical lens surface.

1-20 (No.86722)