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Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
7-1. Dynamic Focus
FVH FVV
* Check after adjusting the static focus finely by VR in FBT
ORION
: 300V 120V
Focus is poor
SAMSUNG : 300V 120V DF
waveform
FVH
FVV
Is the waveform of the DF pin in FBT correct?
Yes
1. Check the CRT socket or connector wire 2. Trouble in FBT or CRT
No Is the cathode voltage of the D605 about 700V?
No
1. Check the waveform of the pin 3 of FBT. 2. Check D605
Yes Is the base voltage of the Q303 about 2.6V? Yes
No
1. Check the 12V DC line. 2. Check Q303, Q302
DF
waveform 4.5V 2V 0V 0.8V
Is the waveform of the pin 10 in IC501 correct?
No
Trouble in IC501 or C508
Yes
Trouble in Q303, Q304, Q302,Q301
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