Aiwa BBHTN180 User Manual

SERVICE MANUAL
LCD TV
Model No. BBHTN180
Chassis
MSD306
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or
repair the product or products dealt with in this service information by anyone else could result in serious injury or death.
WARNING

Aiwa BBHTN180 Specifications

General

Display Technology	LCD
Aspect Ratio	16:9
HDMI Ports	1
USB Ports	1
VGA Port	1
Audio Output	2 x 3W
Resolution	1366 x 768 pixels

Summary

General Information

General Guidelines

Provides servicing precautions, shock hazard checks, and prevention of electrostatic discharge.

Important Notice

Covers regulations, warnings, electrical shock, lead-free solder, and component handling.

How to Read this Service Manual

Explains the meaning of icons used in the manual for notes, cautions, warnings, and references.

Specifications

Location of Controls and Components

Board Location

Identifies the main internal boards, namely the A Board and B Board.

Main Board

Displays an image and details of the main board.

Power Board

Details the power board.

LCD Panel

Shows the LCD panel.

Disassemble and Assemble

Remove the Pedestal

Step-by-step instructions for removing the TV's pedestal.

Remove the Back Cover

Instructions for removing the rear cover by unscrewing it.

Remove the power module

Steps to remove the power module.

Remove the Main board

Steps to remove the main board.

Remove the speaker

Steps to remove the speaker.

Remove the remote control

Steps to remove the remote control board.

Installation Instructions

External Equipment Connections

Guide to connecting external devices like antenna, VCR, DVD, etc.

HDMI Connections

Instructions for connecting devices via HDMI and DVI.

Operation Instructions

Front panel controls

Explanation of buttons on the TV's front panel.

Back panel controls

Description of input/output terminals on the TV's back panel.

Universal Remote Control

Detailed functions of each button on the remote control.

Electrical Parts

Block diagram

Visual representation of the TV's system components and connections.

Circuit Diagram

Detailed electronic schematics of the TV's circuitry.

Wiring Connection Diagram

Illustrates internal wire connections for various components.

Measurements and Adjustments

Installation Guide

Initial setup process including language and country selection.

Channel Tuning

Procedures for tuning ATV, DTV, and Radio channels.

Program edit

Options for deleting, renaming, moving, and skipping programs.

Picture Menu

Adjustments for picture quality like contrast, brightness, and color.

Sound Menu

Adjustments for audio settings like balance, treble, and bass.

Time Menu

Settings for clock, timers, and sleep functions.

Option Menu

Settings for OSD language, audio language, and factory reset.

Lock Menu

Features for system lock, password, and parental guidance.

EPG Menu (Electronic Program Guide)

Accessing and using the electronic program guide.

How to enter into the factory model

Procedure to access advanced factory settings.

How to update software

Steps for updating the TV's firmware via USB.

Trouble-shooting

Simple check

Basic troubleshooting steps for common picture and audio issues.

Main board failure check

Diagnostic steps for black and white screen issues.

Panel failure

Identification of panel failure modes and their causes.