Electro help

Friday, January 24, 2014

NORCENT [OLEVIA] - LT26HVX-LCD TV - POWER SUPPLY [SMPS] - SCHEMATIC (Circuit Diagram)

SMPS SCHEMATIC

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HOW TO ENTER SERVICE MODE - TOKAI LTVDR-355RF - SMPS SCHEMATIC

SERVICE MODE

Turn the power on. (Use main power on the TV unit.)
Press [STANDBY], [2], [7], [1], and [MUTE] buttons on the remote control unit in that order within 5 seconds. When entering the service mode, “4” will display at corners of the screen.

During the service mode, electrical adjustment mode can be selected by remote control key.

Caution: Optical sensors system is used for Tape Start and End Sensor on this equipment. Prepare as described here before starting to service; otherwise, the unit may operate unexpectedly.

Cover Q202 (START SENSOR) and Q201 (END SENSOR) with Insulation Tape or enter the service mode to activate Sensor Inhibition automatically.

Note: Avoid playing, rewinding or fast-forwarding the tape to its beginning or end, because both Tape End Sensors are not active.

POWER SUPPLY [SMPS] SCHEMATIC

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JBL BP150.1 - 1 CHANNEL POWER AMPLIFIER - SCHEMATIC (Circuit Diagram)

SCHEMATIC

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JBL BP1200.1 - POWER AMPLIFIER - WIRING DIAGRAM [VEHICLE]

WIRING DIAGRAM

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Wednesday, January 22, 2014

HOW TO DISASSEMBLE PEDESTAL - HP LT3200, LT3700, LT4200, LT4700 - High-Definition LCD TV

PROCEDURE

Carefully place the TV with the glass screen facing downward on a padded, stable table.
Position the bottom of the TV near the edge of the table so the pedestal hangs off the edge of the table.
Remove the four screws.

Lift the pedestal off the TV.

Disassembling the Pedestal

Position the pedestal so you can access the screws from the bottom of the pedestal.
Remove the four screws that hold the two pieces of the pedestal together. Note: Hole usage varies depending on model.
Separate the two pieces of the pedestal.