2-4. Precautions on Servicing
2-4. Precautions on Servicing2-4-2. Precautions on Maintenance
2-4-1. Notes on Spare Parts1. Handle the CRT body and the controls on the neck of
the CRT with utmost care and do not apply excessive
1. Safety Related Components Warningforce to the CRT.
Components marked ! are critical to safe operation.
Therefore, specified parts should be used in the case of2. High voltage and high voltage pulse exist on the high
replacement.voltage and deflection circuits. Take utmost care when
checking the unit while it is operating; especially high
2. Standardization of Partsvoltage circuit and deflection circuit. High voltage
Some repair parts supplied by Sony differ from thoselines are installed on the printed board. Do not touch
used for the unit. These are because of parts common-the printed board with bare hand or tools.
ality and improvement.
Parts list has the present standardized repair parts.3. Before touching the CRT for checking purpose or
replacing it, cut off the power, remove the high voltage
3. Stock of Partsanode cap and discharge the accumulated electricity on
Parts marked with Oo� at SP (Supply Code) column ofthe anode to the ground using circuit tester lead, etc.
the spare parts list may not be stocked. Therefore, theDisconnect the power cord from the AC power source
delivery date will be delayed.to prevent possible danger caused by accidental
turning on the power.
4. Units Representation
The following represented units are changed or4. Dust or dirt accumulated on the unit may cause
omitted in writing.unforeseen trouble. Periodically check and clean
wiring subjected to high voltage, and CRT face. Clean
UnitsRepresentation
especially around anode cap and the high voltage
Capacitance?FuFrectifier.
Inductance?HuH
ResistanceZAbbreviation
TemperaturedCXXX-DEG-C
2-6 (E)BVF-55/55CE |
ACEC
