akira LCT-20CHST, Service Manual

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Model No.: LCT-20CHST
Version: 1.0
MST518 pin function:
And CPU interface
Pin Pin name Pin function
33 HWRESET Hardware reset ， high voltage enable
82 CS Chip select signal of three-wire serial bus
83 SDA data signal of three-wire serial bus
84 SCL clock signal of three-wire serial bus
85 INT interrupt
98-91 AD [7:0] Parallel bus ， the chassis is not used
125 BUSTYPE Bus type select
Analog Interface
38
HSYNC0 Analog Horizontal sync signal input channel 0
39 VSYNC0 Analog vertical sync signal input channel 0
40 HSYNC1 Analog Horizontal sync signal input channel 1
41 VSYNC1 Analog vertical sync signal input channel 1
78 RMID Scaler internal reference voltage
79 REFP internal ADC decouple ＋
80 REFM internal ADC decouple －
75 RIN0 Analog red signal input channel 0
74 RIN0M Analog red signal input channel 0 regrounding voltage
73 SOGIN0 Green sync signal input channel 0
72 GIN0 Analog green signal input channel 0
71 GIN0M Analog green signal input channel 0 regrounding
voltage
70 BIN0 Analog blue signal input channel 0
69 BIN0M Analog blue signal input channel 0 regrounding voltage
66 RIN1M Analog red signal input channel 1 regrounding voltage
65 RIN1 Analog red signal input channel 1
64
GIN1M
Analog green signal input channel 1 regrounding
voltage
63 GIN1 Analog green signal input channel 1
62 SOGIN1 Green sync signal input channel 1
61 BIN1M Analog blue signal input channel 1 regrounding voltage
60 BIN1 Analog blue signal input channel 1
55 REXT Outside connect 390 Ω with 3.3V