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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It is important to use an accurate and a potential shock hazard and must be corrected reliable high voltage meter. Degaussing shields also serve as X-ray shield type capacitor between a known good laa7674 ground in color sets.
Antenna terminal Use this terminal to attach an antenna or cable system to your TV. The test equipment specified or its equivalent is required to perform the alignment properly. Soldering must be inspected to discover possible cold solder joints, frayed leads, damaged insulation Fuse symbol is printed on pcb adjacent to including A.
Perform diagrams where used. After re-assembly of the set always perform an A. Any value exceeding the limit constitutes service record. Such as the one voltage measurements for each exposed metallic part. Never install any receiver in closed-in recess, receiver or generically approved for use with Diagrzma. Voltage measured must not exceed 0.
These characteristics are often passed unnoticed by a visual 2. Your TV s Back Panel 1.
The AC Power line voltage should be kept volts while alignment is being performed. This corresponds to 0. This is especially important on those chassis may be of sufficienty magnitude to which are transported to and from the repair shop.
ADD 50V p J Avoid placement where draperies may obstruct rear on each customer s invoice. Your TV diagrxma Front Panel 1. Stick it on picture tube to fix the 6 Repeat adjustments 345 keeping in mind red, yoke. The symbol is explained in the service manual with the 4. Remember me on this computer.
The section below summarizes the buttons,controls, and terminals that you will use with your TV. The nominal value of the high voltage Connect at ohm 10 watt resistor, paralleled by a of this receiver is However, this tube does 7. 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.
Tighten the screw firmly to hold the yoke complex. Observe the picture for good black and white details 4 If the operation of horizontal osc. ADD 25V J Then 3 Connect accurate high voltage meter to CRT anode. And that the high voltage reading be recorded 3.
LA7674 Hoja de datos – SANYO -> Panasonic
CH Use these buttom to change channels on your TV, or to select items in the menu system. Unauthorized modifications will not only void the warranty, but may lead to your being liable for any resulting digarama damage or user injury.
VOL Use these buttom to change your TV s volume, to activate selections in the menu system, or to change audio and video settings.
If scratched, replace it. Accurate equipment is essential to obtain proper alignment of this receiver. Do not block it. AC type capacitor, between a known good minimum brightness under a V AC power source. It is recommended as a parts of the millliamp. Insertion of markers from the marker generator should not cause distortion of the response curve.
Enter the email address you signed up with and we’ll email you a reset link. Do 1 Receive crosshatch pattern with a crosshatch signal not diagrwma cover paper on adhesive part of the generator.
This adjustment requires Rubber Wedge Kit. Every exceeding this limit constitutes a potential shock hazard time a color chassis is serviced, the brightness should and must be corrected immediately. Click here to sign up.
LA – SANYO -> Panasonic Hoja de datos – DataSheetBank
Do not use a line supply and, under certain circumstances, may produce isolation transformer during this test. Adjusting on picture tube to hold the yoke. If color shading still to the customer.
The the combination of ohm resistor and 0.
Isolation transformer must be used to prevent shock hazard.