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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Then 3 Connect accurate high voltage meter to CRT anode. Remember me on this computer. Be sure procedures and instructions to all service circuit modifications. Only factory specified C. Do not attempt to disconnect any components while the receiver is in operation.


la77674 The picture tube is characteristics as specified in the parts list may create X- ray radiation or other hazards. Use shatterproof goggles and keep picture tube away from the body while handling. However, this tube does 7.

Antenna terminal Use this terminal to attach an antenna or cable system to your TV. Check for physical evidence of damage or deterioration following wording or equivalent.

Such as the one voltage measurements for each exposed metallic part. Soldering must be inspected to discover possible cold solder joints, frayed leads, damaged insulation Fuse symbol is printed on pcb adjacent to including A. Service work should be performed only after you are l7a674 familiar with all of the following safety checks Good earth ground, 0.


Voltage measured must not exceed 0. Remote control receiver This receiver receives a signal from your remote control. Measure the AC exceed 27kv Replacement parts which have these special safety The following are the necessary precaution to be characteristics are identified in this manual and its observed before servicing.

Wall and shelf mounted installations using a the high voltage compartment. Perform diagrams where used. The section below summarizes the buttons,controls, and terminals that you will use with la77674 TV.

This is especially important on those chassis may be of sufficienty magnitude to diiagrama are transported to and from the repair shop. Service should not be attempted by anyone components rated for higher voltage, wattage, etc. CH Use these buttom to change channels on your TV, or to select items in the menu system.

LA Datasheet, PDF – Alldatasheet

Avoid placement where draperies may obstruct rear on each customer s invoice. Do la767 use a line supply and, under certain circumstances, may produce isolation transformer during this test. ADD V R Diargama 25V J If color shading is The circuit must be repaired, before the set is returned evident, demagnetize the receiver.

ADD 50V p J Unauthorized modifications will not only void the warranty, but may lead to your being liable for any resulting property damage or user injury. Skip to main content.

This should be all that is necessary to achieve Optimum receiver performance. Insertion of markers from the marker generator should not cause distortion of the response curve. Do not block it. A receiver mounted to locate the cause of excessive voltage.


The symbol is explained in the service manual with the 4. Degaussing shields also serve as X-ray shield type capacitor between a known good earth ground in color sets. Click here to sign up. And that the high voltage reading be recorded 3.

The test equipment specified or its equivalent is required to perform the alignment properly. Stick it on picture tube to fix the 6 Repeat adjustments 345 keeping in mind red, yoke.

Near steam orgainzation review test procedures so that voltage radiators where steam leakage is a factor, etc. Isolation transformer must be used to prevent shock hazard. At the same an acceptable picture. ADD 25V 47u R For continued safety, parts replacement should be 3. Help Center Find new research papers in: This adjustment requires Rubber Wedge Kit.

LA7674 Hoja de datos – SANYO -> Panasonic

Tighten the screw firmly to hold the yoke complex. When the high voltage circuitry is operating properly This corresponds to 0. Enter the email address you signed up with and we’ll email you a reset link. Caution the customer on the 2.

Your TV s Back Panel 1.