Philips Magnavox 15MF400T/37 User Manual

15” LCD TV Color Monitor Chassis Name: TP 1.1U-EA
Service
Service
Service
15MF400T/37
Horizontal Frequency
31.5-60 kHz
TABLE OF CONTENTS
Description Page Description Page
Important Safety Notice .......................................2 5.4 Key Board ...............................................................24
1.Specification For LCD TV.....................................3 5.5 Audio Board ..............................................................25
1.1 General Specification ........................................3
6.White Balance, Luminance Adjustment........................26
1.2 Use Of Remote Control ....................................4
7.Exploded View ..............................................................28
1.3 OSD Instructions...............................................5
8.Mechanical Instructions ................................................29
2. Precaution And Notices ....................................17
9.Spare Parts List ............................................................32
2.1 Assembly Precaution ......................................17
10. PCB Layout ...............................................................51
2.2 Operating Instruction ......................................17
10.1 Main Board ................................................................51
2.3 Storage Precaution .......................................17
10.2 Power Board .............................................................56
2.4 High Voltage Warning ...................................17
10.3 IR Board ....................................................................56
3. D-Sub Pin Description........................................18
10.4 Key Board .................................................................57
3.1 D-Sub Connector.............................................18
11.Block Diagram ...............................................................58
3.2 Factory Reset Display Modes ......................19
11.1 Main Board .................................................................58
4.Adjustment .........................................................20
11.2 Power Board...............................................................59
Control knobs and port Functions .........................20
12.Schematic Diagram ......................................................60
5. Repair Flow Chart. ........................................21
12.1 Main Board ............................................................... 61
5.1 Main Board ...................................................21
12.2 Power Board ............................................................. 68
5.2 Tuner Board ................................................23
12.3 Tuner Board ..............................................................70
5.3 Remote Control ...............................................24
12.4 Audio Board ..............................................................72
SAFETY NOTICE
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS AND BE AWARE OF THE
NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING Aug.10 2005
GB:3122 785 15840

Philips Magnavox 15MF400T/37 Specifications

General

Screen Size	15 inches
Display Type	LCD
Resolution	1024 x 768
Aspect Ratio	4:3
HDMI Ports	1
USB Ports	0
Speakers	2 x 3W
Brightness	250 cd/m2
Inputs	Composite, S-Video, VGA
Weight	9.9 lbs (with stand)

Summary

Important Safety Notice

Specification For LCD TV

1.1 General Specifications

Detailed technical specifications for the LCD TV panel and functions.

Use Of Remote Control

OSD Instructions

Picture Set Up Menu

Brightness

Adjusting screen brightness.

Contrast

Adjusting screen contrast.

Hue

Adjusting the color hue.

Saturation

Adjusting color saturation.

Sharpness

Adjusting picture sharpness.

Color Tone

Adjusting color temperature (warm/cool).

Black Level

Adjusting the black level of the picture.

PC Set Up Menu

Brightness

Adjusting PC input brightness.

Contrast

Adjusting PC input contrast.

H_ Position

Adjusting horizontal position for PC input.

V_Position

Adjusting vertical position for PC input.

Clock

Adjusting clock setting for PC input.

Phase

Adjusting phase for PC input.

Auto Adjustment

Automatically adjusting PC input settings.

Color

Adjusting color settings for PC input, including user color.

Tips

Care of the screen

Guidelines for cleaning and protecting the LCD screen.

Mobile telephone warning

Warning about mobile phone interference with TV operation.

End of life directives

Information on environmentally friendly disposal of the product.

Precaution And Notices

Assembly Precaution

Precautions to take during assembly and handling.

Operating Precaution

Precautions for safe operation and use.

Storage Precaution

Guidelines for storing the LCD TV.

High Voltage Warning

Critical warning regarding high voltage components.

D-SUB Pin Descriptions

D-SUB Connector

Details of the D-SUB connector pin assignments and connections.

Factory Preset Display Modes

Adjustment

Front Panel Control Knobs

Explanation of front panel controls and their functions.

Preparation

Steps to prepare the TV for connecting peripheral equipment.

Repair Flow Chart

Main board

Troubleshooting flow chart for main board issues, specifically 'No Screen'.

Tuner board

Troubleshooting flow chart for the tuner board.

Remote control

Troubleshooting flow chart for remote control issues.

Key Board

Troubleshooting flow chart for key board issues.

Audio Board

Troubleshooting flow chart for audio board issues.

White Balance, Luminance Adjustment

I. Before started adjust white balance

Initial setup and parameters for white balance adjustment.

II. Bias (Low luminance) adjustment

Adjusting low luminance bias for picture quality.

III. Gain adjustment

Adjusting color gain for accurate color reproduction.

A. Adjust PC9300 color-temperature

Adjusting PC color temperature to 9300K.

B. Adjust PC6500 color-temperature

Adjusting PC color temperature to 6500K.

C. Adjust AV7800 color-temperature

Adjusting AV color temperature to 7800K.

D. Adjust AV6500 color-temperature

Adjusting AV color temperature to 6500K.

Exploded View

Mechanical Instructions

Spare Parts List

Mechanical Parts

List of mechanical components and their part numbers.

Panel

Part number for the LCD panel assembly.

Accessory

Part numbers for accessories like remote control and power cord.

PCB

Part numbers for various Printed Circuit Boards.

Inverter Board

Key Board

Tuner Board

PCB Layout

Main Board

Top view layout diagram of the Main Board.

MASK-TOP

Top layer mask layout for the Main Board.

MASK-BOTTOM

Bottom layer mask layout for the Main Board.

BOTTOM SIDE

Bottom side layout diagram of the Main Board.

TOP SIDE

Top side layout diagram of the Main Board.

Power Board

IR Board

Tuner Board

Block Diagram

Main Board

Block diagram illustrating the main board signal flow and components.

Power Board

Block diagram of the Power Board's functional sections.

Schematic Diagram

Main Board

Detailed schematic of the Main Board's circuitry.

Power Board

Schematic diagram of the Power Board.

Tuner Board

Schematic diagram of the Tuner Board.

Audio Board

Schematic diagram of the Audio Board.