Text preview for : MANUAL SERVICE MX5203MS 8.pdf part of POLYTRON ( INDONESIA ) MX5203MS It used STV2286H , AN5891K , TDA8174 , STB9NK70Z-1 Complete Service Manual in RAR file type.sent by [email protected]
Back to : MX5203MS Service Manual | Home
Service Manual BML Myanmar
PT.Hartono Istana Teknologi
1. REQUIREMENT OF " START UP "
Some Condition must be fulfill for Start Up : - Supply of B+ :115V for 20" 21" and 113V for 14" - MCU Voltage typical 5V, and can not less then 4,5V. - Reset Voltage typical 5V, and can not less then 4,5V - VCCD Voltage for STV 22XX series ( pin 35 ) have to 5V, or minimal 4,5V. - Make sure there are connection from I2C bus (MCU) to STV 22XX series. - Protection voltage on pin 16 MCU must be higher then 3V, if it is less, protection will active and MCU will activate standby mode. - VCC 1 for STV 22XX series ( pin 45 ) typical 8V, and can not lower then 7,3V. if it is less horizontal output STV 22XX series will disable. - Voltage pin 46 STV 22XX series can not lower then 1V, or protection will active and horizontal output STV 22XX series will disable.
7