Philips
	A10551, A10575, A10635, A10688 Q: This chassis has been repaired and I still have a convergence problem, what can cause this problem? A: The ASG or APD boards can cause a convergence problem as well.
	APD001-APD020 Q: I have had the APD and ASG modules repaired and I still have no high voltage, what can cause this problem? A: The picture tube or yoke will be the most likely fault, however, on the APD001 through APD007, the problem could be the splitter block.
	APW012-APW029 Q: I know this module is good and I still have no high voltage, what can cause this problem? A: The signal/deflection module can cause no high voltage.
	EMH501-EMH505; EMF501-EMF505; EMV101-EMV104 Q: This chassis has been repaired and I still have no high voltage, what can cause this problem? A: The picture tube or yoke will be the most likely fault.
	705444-2 Q: What will cause no horizontal or vertical sync? A: Depending on the model, a defective horizontal board can cause this symptom. Ensure the composite video is connected to this board.
RCA
	CTC-169AP Q: What can cause this chassis to appear dead when the board is good? A: A faulty keyboard, AC cord, CRT or yoke can cause this symptom.
	CTC-169BJ5 Q: I have no color and the picture would not fill out the screen. What can cause this problem? A: The board may be broken in the PWM area creating low secondary power supply voltages.
	CTC-169PG Q: Are the CTC169PG and the CTC169PC the same? A: No, the pincushion circuit is different.
	CTC-188; CTC-189 Q: Other than a faulty board, what can cause this unit to shutdown? A: The audio and auxiliary boards not being properly connected will cause shutdown as well as a bad CRT or yoke. The splitter block in with the CTC-188 can cause shutdown.
Zenith
	9-181 Q: Can I substitute a defective IC, Mfg ID #221-190-01 with Mfg ID #221-190-E01? A: No, there are circuit variations.
	9-1043 Q: I received this board from repair and the set is dead. What else may cause this symptom? A: The keyboard, remote sensor or AC cord.
	9-1194-01 Q: What will cause this board to smoke? A: A defective high voltage splitter block.
	9-1244 Q: The letters on the screen are too dim to read. Can this be adjusted? A: Yes, adjust the screen control located on the flyback.
	9-1269 Q: I have a black line down the side after 10 minutes of play. What can cause this problem? A: Adjust the horizontal width pot. If this does not solve the problem then the board may have developed a pincushion problem.
	9-1270 Q: Will a missing cable or plug cause no high voltage? A: Ensure the 3N2 to 2N3 cable is not missing or unplugged.
	9-1270 Q: What causes the AC fuse to blow? A: The 9-1148 and 9-1270 can cause this problem and should be repaired together.
	9-1270 Q: What will cause no picture? A: The 3N2-2N3 cable and the 3A5 cable not connected securely will cause this problem.
	9-1270-02 Q: I received this board from repair and it appears to be dead. Is this a warranty issue? A: Prior to seeking a warranty repair ensure the 3N2-2N3 cable is securely connected.
	9-1270-02, 9-1389-03 Q: What will cause no picture and no menu? A: If you have audio, ensure the 3N2-2N3 cable is securely connected.
	9-1333; 9-1334; 9-1335; 9-1407; 9-1408 Q: What will cause repeated failures of the power supply? A: A defective picture tube. ALWAYS CHECK THE PICTURE TUBE BEFORE INSTALLING A REPAIRED MODULE.
	9-1302; 9-1310 Q: Can these modules cause poor convergence? A: Yes.
	9-1334 Q: The picture is dim and out of focus. Can it be adjusted? A: Yes, but ensure the tube is not defective.
	9-1334 Q: I have no remote functions. What can cause this problem? A: See Tech Tip #76732-6/96. Also a defective remote sensor or keyboard can cause this problem.
	9-1500 Series Q: What board can cause a no audio symptom? A: The main board or the jack/pack plug-in module.
	9-1559 Q: Why would the CRT start arcing? A: A defective CRT or CRT socket can cause this problem.
	9-1617-01 Q: What can cause no power? A: Other than this module, a defective keyboard or AC cord.
	9-1672-01 Q: What will cause this board to come on high bright with no adjustment? A: A defective component on the CRT board can damage the main board and create this symptom.
	9-1674-01; 9-1677; 9-1678 Q: I received this board from repair, but I have no high voltage. What can cause this problem? A: The signal board can cause this problem as well as the 2N3-3N2 cable not being securely connected.
	9-1677; 9-1678 Q: What board can cause a no video symptom? A: The main board or switch mode power supply module.
	9-1690 Q: What boards can cause no video or poor convergence? A: The main board or the 9-1674 module.
	9-1690 Q: How do you reset the convergence? A: Go into the convergence setup menu.
	9-1713 Q: I received this board from repair and the convergence is off. Can it be adjusted? A: Yes it can be adjusted, but there may be problems with other boards in the set. The 9-1690-01 or the 9-1674 may also be faulty.
	9-1800 Series Q: What board can cause a no video symptom? A: The main board or the pip module.
	9-1811 Q: I just received this board from repair and there is no audio. Can it be adjusted? A: This board has a jack panel. If it was not attached at the time of the repair, the defect is most likely in the jack panel. No adjustment is necessary.
	9-701 Q: My chassis has been repaired and I have no video, what can cause this? A: Ensure the 1R9 jumper is not missing or not connected.