Panasonic CT-32SX31CE Service Manual

Also see for CT-32SX31E: Operating instructions Service manual

Panasonic CT-32SX31CE Service Manual Manual pdf 31 page image

- 31 -Service Adjustments (Electronic Controls, cont.)Clock Adjustment (S07)Preparation:Connect the frequency counter to TPS1 (IC001pin-13) and cold ground ( ).Note: Frequency Counter probe capacitance shouldbe 8pF or less.Procedure:1. Measure TPS1 (IC001 pin 13) for the frequency ofthe waveform and record the reading.Note: Pin 13 measurement must have at least fourdigits of resolution following the decimal point.Example: 000.00002. Place the Receiver into Serviceman Mode formaking electronic adjustment, select the ClockAdjustment DAC (S07).3. Calculate and set S07 based on thefollowing formula:Note: Pin 13 measurement will not changeregardless of the value stored in S07.Service Adjustments (Mechanical Controls)Focus (part of T551)This adjustment is to make the picture clearPreparation:Connect a Signal generator and select a dot pattern.Procedure:Adjust the FOCUS controls to obtain the sharpest andclearest dot pattern.a. Adjust VF1 to minimize width on vertical lines oncorners.b. Adjust VF2 to minimize width on horizontal lineson corners.S07 128 873.90625pin13 Hz[ ]–{ }968+=Figure 38. Set Turned ONS07 128 218.47656pin13 Hz[ ]–{ }3873+=Figure 39. Set Turned OFF

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