Question about Panasonic TX-42PT10 42" TV

1 Answer

Screen discolour screen showing two reddish smears approx 5 inch diameter

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  • moegiovi Jan 03, 2008

    I had exactly the same thing happen to my 52 inch panasonic, good thing I purchased the extra insurance ,they told me it would not be economical to repair so they replaced it,,, after 5 weeks hope this will help someone...

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  • 81 Answers

Sounds like a burn spot on one of the tubes open up to get access to the tubes and cover each one individually to determine which one and replace

Posted on Dec 13, 2006

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    1 Answer

    What is the clearance for rod bearings on the crank of a 98 ford f 150 4.6


    General Specifications Item Specification
    Displacement L (CID) 4.6 (281)
    Number of Cylinders 8
    Bore and Stroke mm 90.2 x 90.0
    Firing Order 1-3-7-2-6-5-4-8
    Oil Pressure (HOT @ 1500 rpm) kPa 138-310
    Drive Belt Tension a
    Cylinder Head and Valve Train
    Combustion Chamber Volume cm 52?±.5
    Valve Seats Width?€"Intake mm 1.9-2.1
    Valve Seats Width?€"Exhaust mm 1.9-2.1
    Valve Seats Angle 44.51-45.01 degrees
    Valve Seats Runout (T.I.R.) Max mm 0.025
    Valve Arrangement (Front-to-Rear) (Left Hand) E-I-E-I-E-I-E-I
    (Right Hand)
    I-E-I-E-I-E-I-E
    Valve Stem to Guide Clearance?€"Intake mm (Inch) 0.020-0.069
    (0.00078-0.00272)
    Valve Stem to Guide Clearance?€"Exhaust mm (Inch) 0.045-0.095 (0.0018-0.0037)
    Valve Head Diameter?€"Intake mm (Inch) 44.5- (1.75)
    Valve Head Diameter?€"Exhaust mm (Inch) 34.0 (1.34)
    Valve Head Diameter?€"Gauge Diameters mm (Inch) 42.5- and 32.0
    (1.67 and 1.26)
    Valve Face Runout Limit mm (Inch) 0.05 (0.002)
    Valve Face Angle 45.25-45.75 degrees
    Valve Stem Diameter (STD)
    ?€"Intake mm (Inch) 6.995-6.975 (0.275-0.2746)
    Valve Stem Diameter (Std)
    ?€"Exhaust mm (Inch) 6.970-6.949 (0.274-0.2736)
    Valve Springs?€"
    Compression Pressure N @
    Spec. Length?€"Intake 587.14 N @ 28.02 mm
    Valve Springs?€"
    Compression Pressure N @
    Spec. Length?€"Exhaust 587.14 N @
    28.02 mm
    Valve Springs?€"Free
    Length ( Approximate)?€"
    Intake mm (Inch) 49.55 (1.951)
    Valve Springs?€"Free
    Length (Approximate)?€"
    Exhaust mm (Inch) 49.55 (1.951)
    Valve Springs?€"Installed
    Pressure N @ Spec. Length
    ?€"Intake 244.64 N @ 40.0 mm
    Valve Spring?€"Installed
    Pressure N @ Spec. Length
    ?€"Exhaust 244.64 N @ 40.0 mm
    Valve Springs?€"Installed
    Pressure N @ Spec. Length
    ?€"Service Limit 10 % Pressure Less @ 28.02 mm
    Valve Springs?€"Installed
    Pressure N @ Spec. Length
    ?€"Out of Square Limit 2 degrees
    Valve Guide Inner
    Diameter mm (Inch) 7.015-7.044 (0.2761-0.2773)
    Rocker Arm?€"Ratio 1.75:1
    Valve Tappet?€"Diameter
    (STD) mm (Inch) 16.000-15.988 (0.66-0.629)
    Valve Tappet?€"Clearance
    to Bore mm (Inch) 0.018-0.069
    (0.00071-0.00272)
    Valve Tappet?€"Service
    Limit mm (Inch) 0.016 (0.00063)
    Valve Tappet?€"Hydraulic
    Leakdown Rate b 5-25 seconds
    Valve Tappet?€"Collapsed
    Valve Tappet Gap?€"
    Desired mm (Inch) 0.085-0.45 (0.0033-0.0177)
    Camshaft
    Lobe Lift?€"Intake
    mm (Inch) 6.58939 (0.2594)
    Lobe Lift?€"Exhaust
    mm (Inch) 6.58939 (0.2594)
    Lobe Lift?€"Allowable
    Lobe Lift Loss mm (Inch) 0 (0)
    Theoretical Valve Lift @
    Zero Lash?€"Intake
    mm (Inch) 12.0 (0.472)
    Theoretical Valve Lift @
    Zero Lash?€"Exhaust
    mm (Inch) 12.0 (0.472)
    End Play mm (Inch) 0.025-0.165
    (0.00098-0.0065)
    Journal to Bearing
    Clearance mm (Inch) 0.025-0.076
    (0.00098-0.003
    Journal to Bearing
    Clearance?€"Service Limit
    mm (Inch) 0.021 (0.0048)
    Journal Diameter (All)
    mm (Inch) 26.962-26.936
    (1.061-1.060)
    Journal Diameter (All)?€"
    Bearing Inside Diameter
    (All) mm (Inch) 27.012-26.987
    (1.063-1.0625)
    Camshaft Runout
    mm (Inch) 0.05 (0.002)
    Cylinder Bore
    Diameter?€"Surface Finish
    (RMS) 0.2-0.6 Microns
    Diameter?€"Out-of-Round
    Limit mm (Inch) 0.015 (0.0006)
    Diameter?€"Out-of-Round
    Service Limit mm (Inch) 0.020 (0.00079)
    Diameter?€"Taper Service
    Limit mm (Inch) 0.006 (0.00023)
    Piston
    Piston?€"Diameter?€"
    Coded Red 1 mm (Inch) 90.177-90.197
    (3.550-3.551)
    Piston?€"Diameter?€"
    Coded Blue 2 mm (Inch) 90.190-90.210
    (3.5507-3.5515)
    Piston?€"Diameter?€"
    Coded Yellow 3 mm (Inch) 90.203-90.223
    (3.513-3.5521)
    Piston-to-Bore-Clearance
    mm (Inch) -0.015 + 0.031 (0.0005-0.0012)
    Pin Bore Diameter
    mm (Inch) 22.0015-22.004
    (0.866-0.8663)
    Ring Groove Width?€"
    Compression (Top)
    mm (Inch) 1.520-1.550 (0.06-0.610)
    Ring Groove Width?€"
    Compression (Bottom)
    mm (Inch) 1.520-1.530 (0.060-0.0602)
    Ring Groove Width?€"Oil
    Ring mm (Inch) 6.996-7.224 (0.275-0.2844)
    Piston Pin?€"Length
    mm (Inch) 61.93-62.05 (2.44-2.443)
    Diameter mm (Inch) 21.994-21.999
    (0.866-0.8661)
    Pin to Piston Clearance
    mm (Inch) 0.005-0.010
    (0.0002-0.0004)
    Pin to Rod Clearance
    mm (Inch) 0.015-0.040
    (0.0006-0.00157)
    Piston Rings?€"Ring Gap
    ?€"Compression (Top)
    mm (Inch) 1.0 MAX (0.0394)
    Piston Rings?€"Ring Gap
    ?€"Compression (Top)
    mm (Inch) 1.0 MAX (0.0394)
    Oil Ring?€"Side Clearance
    mm (Inch) 1.25 MAX (0.05)
    Oil Ring?€"Compression
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    Oil Ring?€"Compression
    (Top) mm (Inch) 0.030-0.080
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    Oil Ring Snug Fit
    Oil Ring?€"Service Limit
    mm (Inch) 0.015 MAX (0.0006)
    Ring Gap?€"Compression
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    Ring Gap?€"Compression
    (Bottom) mm (Inch) 0.23-0.49
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    Ring Gap?€"Oil Ring (Steel
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    Oil Capacity?€"Manual
    Transmission (Quarts U.S.) 6.425?±0.125
    Cylinder Block
    Main Bearing Bore
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    Crankshaft Runout to Rear
    Face of Block mm (Inch) 0.050 MAX (0.002)
    Connecting Rod Bearings
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    Allowable mm (Inch) 0.027-0/069 (0.001-0.0027)
    Bearing Wall Thickness
    (STD) mm (Inch) 2.44-2.452 (0.096-0.0965)
    Main Bearings
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    (0.0011-0.0026)
    Clearance to Crankshaft?€"
    Allowable mm (Inch) 0.027-0.065
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    Bearing Wall Thickness
    (STD) mm (Inch) 1.920-1.928 (0.075-0.076)
    Connecting Rod, Piston and Rings
    Connecting Rod?€"Piston
    Pin Bore Diameter
    mm (Inch) 21.959-21.979
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    Connecting Rod?€"
    Crankshaft Bearing Bore
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    Connecting Rod?€"Length
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    mm (Inch) 150.7 (5.93)
    Alignment (Bore-to-Bore
    Max. Diff.) c ?€"Twist
    mm (Inch) 0.050 per 25 (0.0015-0.984)
    Alignment (Bore-to-Bore
    Max. Diff.)?€"Bend
    mm (Inch) 0.038 per 25 (0.0015-0.984)
    Side Clearance (Assembled
    to Crank)?€"Standard
    mm (Inch) 0.015-0.45 (0.0006-0.0177)
    Side Clearance (Assembled
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    mm (Inch) 0.05 MAX (0.02)
    Crankshaft Main Bearing
    Journal Taper mm (Inch) 0.020 (0.0007)
    Crankshaft Main Bearing
    Journal Runout mm (Inch) 0.05 (0.002)
    Crankshaft Connecting Rod
    Journal Taper mm (Inch) 0.015 (0.0006)

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    Dec 13, 2006 | Panasonic TX-42PT10 42" TV

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