Philips TE2.1E Schematic

Colour Television

Contents Page

Assembling/Disassembling Procedure 2

1. Technical Specifications, Connections and Chassis Overview 3

2. Safety Instructions, Warnings and Notes 4

3. Directions For Use 5

4. Mechanical Instructions 6

5. Service Modes Error Codes and Fault finding 7

6. Block Diagrams 12

7. Circuit Diagrams and PWB layouts 15

8. Alignments 29

9. Circuit Descriptions 38

10. Spare Part List 40

11. Revision list 44

TE2.1E AA

ll rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips

Published by JH 0467 Service PaCE Subject to modification EN 3122 785 14930

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1. Technical Specifications, Connections and Chassis Overview

• Reception

100 programmes, PLL Tuning, Aerial Input : 75 Ohm

• TV Systems Off Air

PAL B/G + D/K + SECAM B/G + D/K, SECAM L/L’

• Add Systems Ext In

NTSC 3.58 + NTSC 4.43

• Sound Systems

B/G, D/K (FM A2+Nicam stereo), L/L’

• Screen Format

4:3

• Picture

16/9 Compress, 4:3, 4:3 Expand

• Sound

RMS Power Intern, 2 x 5W Stereo

• Teletext

10 page Top / Flof Text

• Connectors

Scart1: RGB + CVBS (rear Ext-1 ) Scart2: CVBS + SVHS (rear Ext-2 ) Headphone Front (3.5 mm) Aerial Input (75 Ohm, rear)

• Mains Voltage

Official :220/240 VAC (± 10 %) Real : 150/240 VAC (± 10 %) Mains Frequency: 50 Hz (± 5 %)

• Languages OSD Menu

Turkish, English, French, German, Nederlands, Spanish, Italian.

• Power Consumption : 95W

• Stand-By Power Consumption : <8W

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1.1 Connections

1.1.1 Rear Connections

EuroScart

1. Audio Output 1. right channel 0.5 VRMS/<1k0

2. Audio Input 1. right channel 0.5 VRMS/>10k0

3. Audio Output 2. left channel 0.5 VRMS/<1k0

4. GND (audio)

5. GND

6. Audio Input 2. left channel 0.5 VRMS/>10k0

7. RGB Input, blue (B)

8. Switch signal video (status)

9. GND

10. Reserved for clock signals (not connected)

11. RGB input, green (G)

12. Reserved for remote control

13. GND

14. GND switch signal RGB

15. RGB input, red (R) / Y

16. Switch Signal RGB

17. GND (video)

18. GND

19. Video Output 1Vpp/75 ohm

20. Video input 1Vpp/75 ohm / C

21. Shield

Ht1

20 18 16 14 12 10 8 6 4 2

21 19 17 15 13 1 1 9 7 5 3 1

EXT-2

EXT-1

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2. Safety Instructions, Warnings and Notes

2.1 General

1. Use only the original spare parts with the same specifications for replacement.

2. Only the original fuse value should be used.

3. Safety components, indicated by the symbol, should be replaced by components identical to the original ones.

Main leads and connecting leads should be checked for external damage before

connection. Insulation must be checked. Parts contributing to the safety of the product must not be damaged or obviously unsuitable. This is valid especially for insulators and insulating parts.

5. Thermally loaded solder pads are to be sucked off and re-soldered.

6. Ensure that the ventilation slots are not obstructed.

7. Potentials as high as 25 KV are present when this receiver is operating. Operation of the receiver outside the cabinet or with back cover removed involve a shock hazard from the receiver.

8. Servicing should not be attempted by anyone who is not thoroughly familiar with precautions necessary when working on high voltage equipment. Perfectly discharge the high potential of the picture tube before handling it. The picture tube is highly evacuated and if broken. Glass fragments will be violently expelled. Always discharge the picture tube anode to the receiver chassis to keep of the shock hazard before removing the anode cap.

9. Keep wire away from the high voltage or high temperature components.

10. When replacing a wattage resistor, keep the resistor 10mm away from the circuit board.

2.2 Handling the MOS chip components

MOS circuit requires special attention with regard to static charges. Static charges may occur with any highly insulated plastics and can be transferred to persons wearing clothes and shoes made of synthetic materials. Protective circuits on the inputs and outputs of MOS circuits give protection to a limited extend only due to time of reaction. Please observe the following instructions to protect the components against ESD.

1. Keep MOS components in conductive package until they are used. Most components must never be stored in styropor materials or plastic magazines.

2. Personnel must not touch the MOS components to avoid electrostatic discharging.

3. Hold the component by the body touching the terminals.

4. Use only grounded instruments for testing and processing purposes.

5. Remove or connect MOS Ics when operating voltage is disconnected.

6. Personnel in charge must make sure that they are connected with the same potential as the mass of the set by a wristband with resistance.

2.3 X-Ray radiation precaution

Excessive high voltage can produce potentially hazardous X-RAY radiation. To avoid such hazard, the high voltage must not be above the specified limit. The nominal value of the high voltage of this receiver is 25KV at zero beam current (minimum brightness) under 220 V AC power source. The high voltage must not under any circumstance, exceed 30KV. It is recommended the reading of the high voltage to be recorded as a part of the service record. It is important to use an accurate and reliable high voltage meter. The primary source of X-RAY radiation in the TV receiver is the picture tube. For continued X-RAY radiation protection, the replacement tube must be exactly the same type tube as specified in the part list.

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3. Directions for use

DFU can be found on the internet: www.p4c.philips.com

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4. Mechanical Intructions

Disassembly procedure is explained as below. Before disassembling the TV set please read the safety instructions and warning parts of the service manual.

• Turn off TV and plug the mains out

• Remove screws (10 pieces) to dismount the back cover

• Disconnect the following sockets to take the chassis out ;

 Deflection cables  Degaussing coil  Speaker cable  Power cable

• Remove the ground cable localised between tube module and mass wire.

• Remove the CRT drive module from picture tube.

• Remove anode cable localised on the picture tube.

• Slide out the chassis through the guides (no screws, straps or other fixing).

Please follow the assembly instructions explained below;

• Before inserting the chassis into guides, check the control buttons in front of the chassis. In case of misplacement of control buttons place them into correct position.

• Slide the chassis into guides until the connection cables could be reached to their sockets.

• Plug in the power cable socket to KP03.

• Plug in the degauss cable socket to KP02.

• Plug in the speaker cable socket to KA04.

• Place the CRT drive module on picture tube.

• Slide the chassis completely on its place. Be careful about control buttons.

• Plug in the deflection cable socket to KD02 and KD01.

• Place the anode cable to picture tube. Be careful about high voltage!  CRT drive module must be grounded via mass cable.

• Place the back cover back to its place.(10 screws)

• Plug the mains in.

• Turn on the TV.

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5. Service Modes, Error Codes and Fault finding

5.1 Menu Structure

General Menu Options

To minimise the number of keys on the remote control unit, less frequently used

functions are accessible only via simple menus. The menus are controlled by the following keys;

• “MENU” button makes the Main Menu displayed. Previous menu is displayed at

each press of MENU button, when any menu OSD is displaying.

• Navigation Up / Down keys are used for selection of the previous and next item

on the current menu OSD. Selected item is highlighted.

• Left and Right are used for changing the right side value of the highlighted menu

item if the item is not a submenu. Beside that Right button also is used as OK

button.

• Menu Right key is used to select a highlighted item, generally for displaying

submenu OSDs.

• Navigation Up / Down buttons are used for picture format 16:9 Compress, 4:3 or

4:3 Expand

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5.2 Menu Control

Main Menu

Picture

Sound Features

Installation

Picture Menu

Sound Menu

Features Menu

Timer Menu

Parental Control Menu

Installation Menu

Brightness ⇒ 64 Steps

Colour ⇒ 64 Steps

Contrast ⇒ 64 Steps

Sharpness ⇒ 64 Steps

Hue ⇒ 64 Steps (for NTSC only)

Colour Temp : Normal, Warm, Cool

Store Stored

Treble ⇒ 64 Steps

Bass ⇒ 64 Steps

Balance ⇒ L-32 ..0.. 32-R

AVL : On, Off

Store Stored

Timer

Childlock : On, Off

Parental Cont.

Ext-1 : VCR, Decoder/DVD

Ext-2 : VCR, Decoder/DVD

Sleep : Off, 15, 30, 45,…, 120

Time ⇒ XX : XX (am, pm)

Start Time ⇒ XX : XX

Program No : 0 … 99, SVHS2, Ext-2, Ext-1

Activate : Off, Once, Daily

Lock ⇒ Off, XXX

Pr. Lock ⇒ Off, XXX

Language : English, French, German, Turkish, Dutch,

Italian, Spanish

Country : …, A, B, CH, D, DK, E, F, FI, GB, GR, I, N,

NL, P, IRL, L, S, TR Auto Store Manual Store Sort Name

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Auto Store Menu

Program No TV ◊ ◊ ◊ ◊ ◊ ◊ ◊ ◊ ◊ ◊ ◊ ◊ ◊ ◊ ◊

Manual Store Menu

System ⇒ Europe, France, West Europe, East

Europe

Search ⇒ XXX.25 MHz Program No ⇒ XX Fine Tune ⇒ -10 … +10 gauge Store Stored

5.3 Country List

…, A (Austria), B (Belgium), CH (Switzerland), D (Germany), DK (Denmark), E (Spain), F (France), FI (Finland), GB (UK), GR (Greece), I (Italy), N (Norway), NL (Netherlands), P (Portugal), IRL (Ireland), L (Luxemburg), S (Sweden), TR (Turkey)

Philips 28” 4:3 FS

Austria Belgium Switzerland Germany Denmark Spain France Finland United Kingdom Greece Italy Norway Netherlands Portugal Ireland Luxemburg Sweden Turkey Other

A B

E F

FI GB GR

IRL

L S

...

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5.4 Fault finding diagram of Power supply

DP01 - 04 CP01 - 04

CP06, TP01

YES

RP07, RP05

open and

short circuit

Fuse

FP01 Defective

Voltage

drain of

TP01

YES

Switched mode Power

Supply defective, +145V

is missing or level is

wrong

RP06

RP11, DP07

TP01

YES

Voltage at IP01 pin 11

< 1V

start-up voltage

(6)

pin 14

< 8V

start-up voltage

varies ca. 8V

IP01

VAP2, RP03, DP19

Measure

+145V

adjustable with

VAP2

Control range of

switched-mode

power supply

YES

TE2.1E AA

5.5 Chassis Diagram

EN 11

EN 12

TE2.1E AA

6. Block Diagrams

6.1 Block diagram

EN 13

TE2.1E AA

6.2 Supply Voltage Overview

TE2.1E AA

C BusOverview

6.3 I

EN 14

+ 30 hidden pages