GRUNDIG 55GDU7500B ZG2190R-3 EMMC BIN Firmware Download
grundig 55gdu7500b zg2190r-3 emmc bin firmware Download POWER BOARD MAIN BOARD T-CON BOARD MAIN BOARD GRUNDIG MAIN BOARD GRUNDIG ZG2190R-3 NX SYWAOZ 938 00175 EMMC PINOUT PROGRAMMER TNM5000 ISP READ EMMC BOARD ZG2190R-3 crystal PINS 1 and 2 connect with GND. tv must be in 220v plug. and read EMMC. no need for extra voltage. […]