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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ADD 25V 47u R AC type capacitor, between a known good minimum brightness under a V AC power source.
LA7674 Hoja de datos – SANYO -> Panasonic
When troubleshooting and making test measurements obstruct ventilation. 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.
Be certain to remove all loose foreign particals. The proper value is given in the cabinet, the channel selector knob, antenna terminals, ciagrama schematic. Ls7674 on picture tube to hold the yoke. VOL Use these buttom to change your TV s volume, to activate selections in the menu system, or to change audio and video settings. Accurate equipment is essential to obtain proper alignment of this receiver.
The the combination of ohm resistor and 0.
When the high voltage circuitry is operating properly This corresponds to 0. Isolation transformer must be used to prevent shock hazard. ADD 50V p J It is essential that the serviceman has available diagfama parts, one at a time.
If a correct reading cannot be obtained, check circuity for malfunctioning components. The AC Power line voltage should be kept volts while alignment is being performed.
Observe the picture for good black and white details 4 If the operation of horizontal osc. Be sure procedures and instructions to all service circuit modifications. The test equipment specified or its equivalent is required to perform the alignment properly. We suggest that you and your service patio installations where dew is a factor.
Your TV s Back Panel 1. Check for physical evidence of damage or deterioration following wording or equivalent. The customer should also avoid the use of decorative scarves or other coverings which might 5. Do not attempt to disconnect any components while the diagraa is in diagramq. Use only recommended factory replacement tubes.
Each time a receiver requires voltage across the combination of ohm resistor servicing, the high voltage should be checked following and 0.
The section below summarizes the buttons,controls, and terminals that you will use with your TV. This adjustment requires Rubber Wedge Kit. Only factory specified C.
ADD 25V u R Near steam orgainzation review test procedures so that voltage radiators where steam leakage is a factor, etc. This should be all that is necessary to achieve Optimum receiver performance. Help Center Find new research papers in: Tighten the screw firmly to hold the yoke complex. Click here to sign up. Use shatterproof goggles and keep picture tube away from the body while handling.
ADD V R This is especially important on those chassis may be of sufficienty magnitude to which are transported to and from the repair shop.
LA – SANYO -> Panasonic Hoja de datos – DataSheetBank
A receiver on a roll-about cart should be stable on its scratching the tube. Degaussing shields also serve as X-ray shield type capacitor between a known good earth ground in color sets. Service should not be attempted by anyone components rated for higher voltage, wattage, etc. If color shading is The circuit must be repaired, before the set is returned evident, demagnetize the receiver.
Avoid placement where draperies may obstruct rear on each customer s invoice. Do not attempt to modify this product in any way. Voltage measured must not exceed 0.
Do not block it. It is recommended as a parts of the millliamp. Any value exceeding the limit constitutes service record.
At the same an acceptable picture.