This area is burnt, all of the resistors, capacitors and transistors are shorted. They lead to pins 19, 20 and 25.
T1A, T4A, 19, 20, 21, 22, 23, 24, 25 and 26 are all shorted to P terminal. it most likely burnt up all of the resistors, capacitors and transistors in this circuit. Must have been...