AMSTRAD
PC14M39 High VOLTAGE is short, then Turn off Power
supply in full:
Resistor
R504 is defective. 220kOm
AOC
735 Horizontal Frequency: 31-64 END
AOC
735 is not entirely work:
Resistor
R907 is defective.
AOC
735 controller does not regulate the voltage of B +
(50-150V) with 200V power supply clicks.
ZENER
DIODE Z955 (9V) is defective.
AOC
735 PSU clicks, even if the synchronizing impulcy
available.
BP
control chip is faulty. UC3842
AOC
CM-314 Horizontal Frequency: 15,5-37 KSC
AOC
CM-314 is not fully working.
PSU:
R621 (1 M) defects.
AOC
CM735 Totally Not working.
Rezstor
R906 chip in the chain of control is defective.
AOC
CM747 Horizontal frequency: 30-82 END
AOC
CM747 Picture disappears and starts Flashing LEDs.
Sometimes the Message "Out of Range"
EOL
Video amplifier, kondentsator S459 shorted.
AOC
CM747 As a result of Poor contact of the coil and the
degaussing coil linearity
Goes
down Resistor R48 (220 Ohm)
AOC
CMLB 337 Horizontal Frequency: 30-60 END
AOC
CMLB 337 Horizontal frequency false,
Terminal
Elements of the line scan: Q803 and S812 Are defective.
AOC
SPECTRUM-7 HLR = ROYAL DN1782 Horizontal frequency: 29-82 END
موضوع: Repair monitors AMSTRAD