Solution:

Yes, the system works for the combination PCM-5820 and PCM-3540R with 18 bit TFT LCD . Please follow the below wiring plan to make the LCD cable from LCD to PCM-3540R. Also the PCM-3540R need to be modified , please add one 4.7K resistor between Q2 and Q3 , you may refer to the attachment for the location. LCD PCM-3540R Function 44 pin CON. R0 pin 9 R1 pin10 R2 pin11 R3 pin12 R4 pin13 R5 pin14 G0 pin15 G1 pin16 G2 pin17 G3 pin18 G4 pin19 G5 pin20 B0 pin21 B1 pin22 B2 pin23 B3 pin24 B4 pin25 B5 pin26 SHFCLK pin35 HS(LP) pin38 VS(FLM) pin36 ENAB(M) pin37 GND pin3, 4, 8, 33, 34, 39