Brother PT-2300 Service Manual page 82

3.2.14 LCD Driver Circuit
The LCD driver (#2: NJU6450) consists of a 2560-bit display data RAM, CPU interface circuit,
instruction execution unit, CR oscillation circuit, 16 source drivers, and 61 segment drivers.
It stores data sent from the CPU into the embedded 2560-bit RAM and drives the dot-matrix LCD
elements through the source/segment drivers.
Fig. 3.2-18 LCD Driver Circuit
III-16