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Service Manual
Haier
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(7) Check the digital data outputs.
9.3 TEA6425D(ANALOG:U1002)
-VIDEO Switching IC_Check when the input mode is set for TV,VIDEO,S-VIDEO
(1) Check whether the proper power is supplied.(8v)
(2) Check the I2C bus (pin2 and pin4).
(3) Check whether the inputs/outputs are normal.
9.4 MDIN-150(digital :U9507)
-DEINTERLACE_Check when the input mode is for TV,VIDEO ,S-VIDEO,DVD.
(1) Check whether the proper power is supplied(3.3v,2.5v)
(2) Check whether the NO.209 Reset pin’s output is high.
(3) Check the I2C-bus (pins 62 and 64).
(4) Check whether the 27Mhz clock is connected to pins 186 and 187.
(5) Check whether the data inputs are normal.
VPC-CLK(pin 195):13.5MHZ,VPC_HSYNC(pin 189):15.75Khz,