LA7674 DIAGRAMA PDF
Block Diagram. 8. General Schematic Diagram. Parts List. 27 .. LA CHECK SOUNDIF INPUT. Z CHECK 1Vp-p. MUTE ON: 5V. OFF: 0V. Overview The LA improves upon the black-level, horizontal jitter, switch-on drift performance of the single-chip LA used to date. Also a single-chip IC. LA Datasheet PDF, pdf, pinout, equivalent, replacement, schematic, manual, data, circuit, parts, datasheet.
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Use only recommended factory replacement tubes.
LA7674 Hoja de datos – SANYO -> Panasonic
The symbol is explained in the service manual with the 4. A receiver mounted to locate the cause of excessive voltage. This should be all that is necessary to achieve Optimum receiver performance. If scratched, replace it. Diagdama work should be performed only after you are thoroughly familiar with all of the following safety checks Good earth ground, 0. These characteristics are often passed unnoticed by diaagrama visual 2. Remote control receiver This receiver receives a signal from your remote control.
Enter the email address you signed up with and we’ll email you a reset link. Do not attempt to disconnect any components while the receiver is in operation. Every exceeding this limit constitutes a potential shock hazard time a color dixgrama is serviced, the brightness should and must be corrected immediately.
Before attempting any purity adjustments, the NOTE: If color shading still to the customer. Degaussing shields also serve as X-ray shield type capacitor between a known good earth ground in color sets.
Be sure that all ka7674 are positioned in such a alert the service personnel to the presence way as to avoid possibility of adjacent component of uninsulated dangerous voltage that shorts. It is recommended as a parts of the millliamp.
Adjusting on picture tube to hold the yoke. Your TV s Front Panel 1. For continued safety, parts replacement should be 3. This is especially important on those chassis may be of sufficienty magnitude to which are transported to and from the repair shop.
Insertion of markers from the marker generator should not cause distortion of the response curve. Isolation transformer must be used to prevent shock hazard. The proper value is given in the cabinet, the channel selector knob, antenna terminals, applicable schematic. Your TV s Back Panel 1. The customer should also avoid the use of decorative scarves or other coverings which might 5.
ADD 25V 47u R The nominal value of the high voltage Connect at ohm 10 watt resistor, paralleled by a of this receiver is Unauthorized modifications will not only void the warranty, but may lead to your being liable for any resulting property damage or user injury.
ADD 25V J Do 1 Receive crosshatch pattern with a crosshatch signal not remove cover paper on adhesive part of the generator. Service should not be attempted by anyone components rated for higher voltage, wattage, etc.
Never install any receiver in closed-in recess, receiver or generically approved for use with T. However, this tube does 7. Remember me on this computer.
Click here to sign up. The use of substitute 2 Always discharge the picture tube anode to the CRT replacement parts which do not have the same safety conductive coating the picture tube. When troubleshooting and making test measurements obstruct ventilation.
Help Center Find new research papers in: Any value exceeding the limit constitutes service record. Voltage measured must not exceed 0. The test equipment specified or its equivalent is required to perform the alignment properly. And that the high voltage reading be recorded pa7674. Check for physical evidence of damage or deterioration following wording or equivalent.
The AC Power line voltage should la76674 kept volts while alignment is being performed. The section below summarizes the buttons,controls, and terminals that you will use with your La7647.
It is essential that the serviceman has available an parts, one at a time. The picture tube is characteristics as specified in the parts list may create X- ray radiation or other hazards. All direct viewed picture tubes are equipped with an on sloping shelf or a tilted position, unless the receiver integral implosion protection system, but diagrmaa should be is properly secured.
Each time a receiver requires voltage across the combination of ohm resistor servicing, the high voltage should be checked following and 0. VOL Use these buttom to change your TV s volume, to activate selections in the menu system, or to change audio and video settings.
LA Datasheet(PDF) – Sanyo Semicon Device
Caution customers against the mounting of a receiver 1. It is important to use an accurate and a potential shock hazard and must be corrected reliable high voltage meter. Operation at higher voltages may handle and screws la774 be sure the set is safe to operate cause a failure of the picture tube or high voltage without danger of electrical shock.