LG LM-U360 Service Manual page 40

I WAVEFORMS OF MAKOR CHECK POINT
#1. MICOM INTERFACE WAVEFORM
(PN805 PIN 26, 19, 3, 15) DURING POWER ON
PIN 26 : WRQ
PIN 19 : RESET
PIN 3 : DI (IC801 PIN46 DATA OUT)
PIN 15 : DO (IC801 PIN45 DATA IN)
#1. MICOM INTERFACE WAVEFORM
(PN805 PIN 4, 1, 18) DURING POWER ON
PIN 1 : CE
PIN 18 : FSEQ
PIN 4 : CL
#2. MICOM INTERFACE WAVEFORM
(PN805 PIN 26, 19, 3, 15) DURING NORMAL PLAY
PIN 19 : RESET
PIN 3 : DI (IC801 PIN46 DATA OUT)
PIN 15 : DO (IC801 PIN45 DATA IN)
#1. MICOM INTERFACE WAVEFORM
(PN805 PIN 4, 1, 18) DURING NORMAL PLAY
PIN 1 : CE
PIN 18 : FSEQ
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PIN 26 : WRQ
PIN 4 : CL