Basic Troubleshooting Steps - PDi -P14W Service Manual

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Note: If the power board is functional and the LED and Headphone board are not, change the main board.

Basic Troubleshooting Steps

Many times issues can be resolved by performing a factory reset on the TV. Press and hold down "CC" button
on TV and press and hold down "Last" on the remote. Hold both down simultaneously until TV displays a reset
message on screen.
Symptom
TV DEAD (No Power)
NO COLOR
CANNOT TUNE TO A DESIRED CHANNEL
TV KEYPAD INOPERATIVE
SNOWY PICTURE
NOISY PICTURE
PDi Communication Systems, Inc. 40 Greenwood Lane Springboro, Ohio 45066 USA PH 1-800-628-9870 FX 937-743-5664
MODEL NUMBER:
™
Check
PDI-P14W
Service Manual
•
Verify TV is connected to a coaxial powered cable
•
Verify coaxial cable is securely connected to F-connector
•
Check Power cable for voltage.
•
Replace power supply board (PD128-1728)
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Replace main board (PD128-1725) if red LDC is lit.
•
Tune TV to another channel. Check for color
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Adjust color settings in Setup/Picture menu
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Verify correct voltage is used to power TV
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Verify correct signal type is set in Setup/Channels menu
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Perform Auto Program
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Replace DATA cable (PD106-741)
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Replace main board (PD128-1725)
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Replace panel (PD289-126)
•
Verify TV is connected to a coax cable that has RF signal
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Verify channel is programmed into current service level
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Tune to channel with remote
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Tune to channel with TV keypad
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Verify correct Signal type is set in Setup/Channels menu
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Verify Channel Memory Override is enabled in Setup/Channels.
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Verify Channel Lock is disabled
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Replace main board (PD128-1725)
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Verify TV is powered
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Check TV operation with remote control
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Verify that DATA cable is seated correctly to main chassis
connector
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Replace glass/keypad (PD128-1727)
•
Replace main board (PD128-1725)
•
Verify TV RF signal level is (0 to+10dbmv at the TV)
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Tune to another channel
•
Verify correct Signal type is set in Setup/Channels Manual
•
Replace DATA cable (PD106-741)
•
Replace main board (PD128-1725)
•
Verify TV RF signal level is (0 to+10dbmv at the TV)
•
Tune to another channel
•
Turn off nearby equipment if possible and isolate noise source
•
Move TV and cables to minimize or eliminate noise.
•
Replace main board (PD128-1725)
Document Number:
PD196-239R2
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