XOCECO LC22K9, Service Manual

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1.MSP3420
1 1
Block diagram and description of LC-22K9 main IC
Pins description:
2,3 PIN:SCL,SDA applied for control the operation of IC .
27,28 PINAoutput left and right sound channel R/L to speaker processor.
36,37 PIN:AV OUT of sound R/L.
47,48 PIN:DVI/YPRPB/PCMCIA selected input R/L.
50,51 PIN:Input of VGA. R/L
53,54 PIN:Input of AV2 R/L.
56,57 PIN:Input R/L of SVHS/AV1(SVHS priority)
67 PIN:Input TV SIF.