background image

3-2

3-2

Malfunction

 

check

 

chart

TDA7388

 

of

 

main

Main

 

board

 

which

 

in

Main

 

board

NO

NO

NO

Change

 

main

Check

 

tuner

 

circuit

and

 

its

 

conjoint

 

part

is

 

good

 

or

 

bad

NO

NO

NO

NO

NO

NO

SD

 

no

 

read

Change

 

servo

Whether

 

connect

 

to

 

SD

Check

 

the

 

socket

 

of

 

SD

SD

USB

 

no

 

read

Change

 

servo

Whether

 

connect

 

to

 

USB

Check

 

the

 

socket

 

of

 

USB

SD

Содержание CED229/98

Страница 1: ...ircuit diagram 7 1 KEY board circuit diagram 9 1 KEY board layout diagram 9 2 Exploded view main unit 10 1 SB CB board layout top bottom view 7 2 LB SD CB board layout diagram 8 2 LB SD board circuit diagram 8 1 CB CED229X 78 Copyright 2011 Philips Consumer Electronics B V Eindhoven The Netherlands All rights reserved No part of this publication may be reproduced stored in a retrieval system or tr...

Страница 2: ... 51 X 78 C M C M C M C M 98 C M C M C C C C ...

Страница 3: ... 1 9kg 16V System Frequency response Signal noise ratio Total harmonic distortion Channel separation Video signal for mat Video output Disc digital audio system 20Hz 20k Hz 75dB Less than 0 3 1KHz 55dB NTSC PAL AUTO 1 0 2V Screen size Display resolution Active area Contrast ratio Brightness 3 0 inches 320x240 dots 65 52 W x36 84 H 300 200cd m 16 91 Frequency range FM Frequency range AM MW Usable s...

Страница 4: ...hange 1 1 Technical Specifications For on line product support please use the following website http www p4c philips com cgi bin dcbint cpproduct_selector pl Here is product information available as well as getting started user manuals frequently asked questions and software drivers 1 2 Directions for Use You can download this information from the following websites http www philips com support ht...

Страница 5: ...d voltages with and without aerial signal Measure the voltages in the power supply section both in normal operation and in stand by These values are indicated by means of the appropriate symbols 2 3 2 Schematic Notes All resistor values are in ohms and the value multiplier is often used to indicate the decimal point location e g 2K2 indicates 2 2 k Resistor values with no multiplier may be indicat...

Страница 6: ... sources are expected to have a possible dangerous impact others of quite high potential are of limited current and are sometimes held in less regard Always respect voltages While some may not be dangerous in themselves they can cause unexpected reactions that are best avoided Before reaching into a powered TV set it is best to test the high voltage insulation It is easy to do and is a good servic...

Страница 7: ... Frequency Interlaced Scan mode where two fields are used to form one frame Each field contains half the number of the total amount of lines The fields are written in pairs causing line flicker IR Infra Red IRQ Interrupt Request ITU 656 The ITU Radio communication Sector ITU R is a standards body subcommittee of the International Telecommunication Union relating to radio communication ITU 656 a k ...

Страница 8: ...s SD Standard Definition SDA Serial Data I2 C SDA F DAta Signal on Fast I2C bus SDI Serial Digital Interface see ITU 656 SDRAM Synchronous DRAM SECAM SEequence Couleur Avec Mémoire Color system mainly used in France and East Europe Color carriers 4 406250 MHz and 4 250000 MHz SIF Sound Intermediate Frequency SMPS Switched Mode Power Supply SoC System on Chip SOG Sync On Green SOPS Self Oscillating...

Страница 9: ...iver 15 Loosen and take out the six bolts with a screwdriver 12 loosen and take out the bolt with a screw driver 13 loosen and take out the bolt with a screw driver 14 P carefully ull out the two pieces of connection pegs Disassembly Diagram 2 2 2 2 ...

Страница 10: ...ick 6 When software upgrade complete the device will power off automatically 1 Copy the file ROM BIN into USB stick note to delete the file MCU BIN 2 Power on the device and plug the USB stick into USB socket After the device read the content in the USB the LCD will show a upgrade menu and enter into the upgrading status 3 The LCD will appear a number changed from 20 to 0 and when arrived the numb...

Страница 11: ...hich in Main board NO NO NO Change main Check tuner circuit and its conjoint part is good or bad NO NO NO NO NO NO SD no read Change servo Whether connect to SD Check the socket of SD SD USB no read Change servo Whether connect to USB Check the socket of USB SD ...

Страница 12: ...4 1 4 1 WIRING DIAGRAM ...

Страница 13: ...5 1 5 1 MAIN BOARD CIRCUIT DIAGRAM 1 ...

Страница 14: ...5 2 5 2 MAIN BOARD CIRCUIT DIAGRAM 2 ...

Страница 15: ...5 3 5 3 MAIN BOARD PCB LAYOUT TOP BOTTOM VIEW ...

Страница 16: ...6 1 6 1 SERVO BOARD CIRCUIT DIAGRAM 1 ...

Страница 17: ...6 2 6 2 SERVO BOARD CIRCUIT DIAGRAM 2 ...

Страница 18: ...6 3 6 3 SERVO DIAGRAM BOARD LAYOUT TOP BOTTOM VIEW ...

Страница 19: ...7 1 7 1 SB CB BOARD CIRCUIT DIAGRAM ...

Страница 20: ...7 2 7 2 SB CB BOARD PCB LAYOUT TOP BOTTOM VIEW ...

Страница 21: ...8 1 8 1 LB SD CB BOARD CIRCUIT DIAGRAM ...

Страница 22: ...LB SD PCB CB BOARD LAYOUT TOP BOTTOM VIEW 8 2 8 2 ...

Страница 23: ...9 1 9 1 KEY BOARD CIRCUIT DIAGRAM ...

Страница 24: ...9 2 9 2 KEY BOARD LAYOUT DIAGRAM TOP VIEW BOTTOM ...

Страница 25: ...Remark Pos No 14 Key Board Ass y cannot be ordered seperately and must be ordered with whole Front Panel Ass y Pos No 101 ...

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