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Toshiba 48L1433DG User Manual

Toshiba 48L1433DG
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SERVICE MANUAL
LCD Color Television
48L1433DG
48L1433DB
(System Information)
REVISED:01
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Toshiba 48L1433DG Specifications

General IconGeneral
Screen Size48 inches
Resolution1920 x 1080 pixels
Display TypeLED
HDMI Ports3
USB Ports2
Smart TVNo
Backlight TechnologyDirect LED
Refresh Rate50 Hz
Sound Output20 W

Summary

IMPORTANT NOTICE

GREEN PRODUCT PROCUREMENT

LEAD-FREE SOLDER

SAFETY INSTRUCTION

Safety Precaution

Necessary precautions to be observed before servicing this chassis.

Touch Current Check

Procedure to measure touch current to prevent electric shock after repair.

FIRMWARE UPDATING PROCEDURE

Analog - Digital SW update via USB

Steps for updating firmware using a USB device for analog and digital signals.

When TV is ON

Procedure for firmware update when the TV is powered on and accessible.

Wiring Diagram

Exploded View

Parts List

HOTEL MODE AND HOTEL CLONE

Hotel Mode

Activates hotel mode, allowing restricted user control over TV functions.

Last Status

Sets the TV to open with its previous status (on or standby) upon power-up.

Volume Limit

Sets the maximum allowable volume level, ranging from 0 to 63.

Fixed Volume Enable

Controls whether a fixed volume value set in the menu is enforced.

Fixed Volume Value

Sets the specific fixed volume value when Fixed Volume Enable is active.

Headphone Direct Volume

Allows headphone volume control via remote buttons when enabled.

Panel Lock

Enables or prohibits the use of front panel buttons.

OSD Disable

Disables specific or all On-Screen Display menus.

Invisabel Setup Menus

Specifies which setup menus become invisible in hotel mode.

Startup Position

Determines the starting channel or input source when the TV is switched on.

Teletext

Enables or disables the use of teletext or MHEG services.

Copy To USB

Copies service list and preferences from the TV to a USB device.

Copy From USB

Copies NVRAM data from a USB device back to the TV.

LED DRIVER CIRCUIT

MB Connector Options

Options for connecting the main board to the LED driver circuit.

Primer-Seconder Components

Components related to the primary and secondary stages of the driver circuit.

Microconverter Connector Options

Connection options for a microconverter within the LED driver system.

LED Driver Sink MOSFET Options

Options for sink MOSFETs used in the LED driver circuit.

LED Driver Channel Options

Various channel configurations for the LED driver.

LED Driver Connector

The connector interface for the LED driver circuit.

Withdrawal Discharge

Circuitry for managing discharge in the LED driver system.

Discrete Bridge Option

Optional configuration for discrete bridge components.

X Cap Options

Options for capacitor configurations in the LED driver circuit.

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