Philips 42TA1800/93, Service Manual, Page: 53 / 85

53 TPT1.0A LA
8. Circuit Descriptions and IC Data Sheets
8.1 Trouble Shooting
8. Circuit Descriptions and IC Data Sheets
Index of this chapter
8.1 Trouble shooting
8.2 Circuit Description
8.3 IC Data Sheets
8.4 Repair Flow Chart
Symptoms
No power
No picture
No Sound
No AV Signal
S-VHS Color Becomes Faint
TV Only Produces MONO Sound
Remote Does Not Work
TV Displays Wrong Channel or
No Channels
color or no picture
Items to Check and Actions to follow
Check the TV power cord. Unplug the TV, wait 10 seconds, then reinsert the plug into the outlet and
push the POWER button again.
Check that the outlet is not on a wall switch.
Be sure the fuse is not blown on the AC power strip, if one is being used.
Check antenna/cable connections. Are they properly secured to the TV s ANT75. plug?
Try running the Auto Store feature to find all available channels.
Press the AV button on the remote to make sure the correct signal source is selected.
If using an accessory device, be sure that it is functioning properly.
If in PC Mode, a video signal MUST BE present or the TV will turn off.
Check the VOLUME buttons.
Check the MUTE button on the remote control.
If you re attempting to hook up auxiliary equipment, check the audio jack connections.
Check whether AV and S-Video sockets connected simultaneously.
Unplug socket for S-Video connection. Reconnect the S-Video socket of the TV carefully to the VCR
socket.
If using a cable box with RF only type connections, the signal coming from the cable box will be
produced in MONO only.
Check Sound control setting. Change setting to Stereo.
Check the batteries. Place lithium cell in the remote. Be sure the (+) and (-) ends of the batteries
line up as marked inside the battery compartment.
Clean the remote control and the remote control sensor window on the TV.
Check the TV power cord. Unplug the TV, wait 10 seconds,then reinsert the plug into the outlet and
push the POWER button again.
Be sure the fuse is not blown on the AC power strip, if one is being used.
Check to be sure the TV outlet is not on a wall switch.
Be sure that the remote is in the correct operating mode.
Be sure the remote is pointed at the Remote Sensor Window on the TV. See page 2 of the Quick
Use Guidefor details.
Repeat channel selection.
Add the desired channel numbers (using the CHANNEL EDIT control) into the TVs memory.
Run the Auto Store feature to find all available channels.
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