Sony TVP0449 free download

File name TVP0449.pdf

S CONFIDENTIAL CSV-1 Sony Service Company National Technical Services Service Bulletin A Division of Sony Electronics Inc. Park Ridge, New Jersey 07656 TV Products Model: KP-43T70, KP-46C70, KP-48S70, KP-48S72 No. 449R1 KP-53N74, KP-53S70, KP-48V80, KP-53V80 KP-61S70, KP-61V80, KP-53XBR200 KP-61XBR200, KP-53XBR300 Subject: NVM User Manual Rev.2 Date: January 10, 2002 Symptom: (xxxx) The NVM Jig User Manual was updated, to Revision 2. NOTE: Please refer to the updated General Bulletin 31 for the connection and switching information. This can be found under model GENTVP. Solution: Revision 2 of the NVM Manual is below. This Non Volatile Memory jig allows the servicer to read and write adjustment information from an EEPROM. This is especially useful when a board from a projection TV containing the convergence information is replaced. If the memory chip is not changed or read the entire unit would have to be re-converged from scratch. The part number for the NVM Jig is T-935-010-91 (List price is $160.00) HARDWARE Green LED: Read light indicator Yellow LED: Write light indicator Red LED: Power light indicator Read Switch: Toggle push button Switch for Reading from Target NVM Write Switch: Toggle push button Switch for Writing to Target NVM Toggle switch: Power switch Connector: RJ45 connector for both the SOIC and DIP cables Test clip provided for connection to the RST pin on the Microcontroller. 9VB: 9 Volt Battery SOIC Connector: For use with NVM chips that are Surface Mount DIP Connector: For use with NVM chips that are Through Hole. Reference: M. Strum PRINTED IN USA TV Products Service Bulletin No. 449R1 SETTING THE DIP SWITCH Pins 1 and 2 will be dedicated to selecting between RA-4 XBR models and all other models due to NVM differences. Pins 3 and 4 will be dedicated to allowing pull up resistors for the target NVM chip if the chip is not getting power on board. There are diagrams for these selections located on page 5 of this manual. CONNECTION TO THE NVM CHIP For the prototype, the following color wires should be connected to the following pins: PIN1 A0 BLUE/WHITE PIN2 A1 BLUE PIN3