THOMSON 44DLP54X User manual

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Television
TTEECCHHNNIICCAALLIINNFFOORRMMAATTIIOONN
Chassis ITC222 / ITC222 - PTV
Power supply
H_Deflection circuit
V_Deflection circuit
HF-IF circuit
Picture Tube - Display
Input / Output - Scart
Mechanical
Control panel
Data processing
Audio processing
Section :
Video processing
General

Television
TTEECCHHNNIICCAALLIINNFFOORRMMAATTIIOONN
Chassis ITC222 / ITC222 - PTV
Symptom description
ITC222 - PTV
Rigging effect.
ITC222
The set switches into security mode.
Power supply

Television
TTEECCHHNNIICCAALLIINNFFOORRMMAATTIIOONN
Chassis ITC222 / ITC222 - PTV
Symptom description
ITC222
Vertical strips in the middle of the screen (similar to a rigging effect).
H_Deflection circuit

Television
TTEECCHHNNIICCAALLIINNFFOORRMMAATTIIOONN
Chassis ITC222 / ITC222 - PTV
Symptom description
ITC222
Sound vibrations transmitted by boomer speaker.
ITC222 - PTV
Yellowish area and bluish area on the screen are visible (40” - 16/9).
Yellowish area and bluish area on the screen are visible (52” - 16/9).
Mechanical

Television
TTEECCHHNNIICCAALLIINNFFOORRMMAATTIIOONN
Chassis ITC222 / ITC222 - PTV
Symptom description
ITC222
Ringing effect (Visible mainly on a blue screen).
Freezing of Teletext sub-title.
Freezing of Teletext sub-title and display wrong pages.
ITC222 -PTV
Freezing of Teletext sub-title and display wrong pages.
Data processing

Television
TTEECCHHNNIICCAALLIINNFFOORRMMAATTIIOONN
Chassis ITC222 / ITC222 - PTV
Symptom description
ITC222 - PTV
Ringing effect (Visible mainly on a blue screen).
Video processing

Television
TTEECCHHNNIICCAALLIINNFFOORRMMAATTIIOONN
Chassis ITC222 / ITC222 - PTV
Symptom description
ITC222 / ITC222 - PTV
Correction PART N° of capacitor CP110.
Evolution of transistor in position TP020.
ITC222 - PTV
Burning of tracks on the PCB of CRT.
General

44DLP54X
First issue 04 / 04
POWER/LED
MIS
POWER SUPPLY CIRCUIT BOARD - CIRCUIT IMPRIME DE L’ALIMENTATION - LEITERPLATTE NETZTEIL - PIASTRA DEI CIRCUITI DI ALIMENTAZIONE - PLATINA ALIMENTACIÓN
SMPS

44DLP54X
First issue 04 / 04
SUB DIGITAL BOARD - PLATINE SUB DIGITAL - SUB DIGITAL GRUNDPLATTE - PIASTRA SUB DIGITAL - PLATINA SUB DIGITAL
COMPONENT SIDE - COTE COMPOSANTS - BESTÜCKUNGSSEITE - LATO COMPONENTI - LADO COMPONENTES

44DLP54X
First issue 04 / 04
SUB DIGITAL BOARD - PLATINE SUB DIGITAL - SUB DIGITAL GRUNDPLATTE - PIASTRA SUB DIGITAL - PLATINA SUB DIGITAL
SOLDER SIDE - CÔTE SOUDURES - LÖTSEITE - LATO SALDATURE - LADO SOLDADURAS

44DLP54X
First issue 04 / 04
MAIN BOARD - PLATINE PRINCIPALE - CHASSIS GRUNDPLATTE - PIASTRA PRINCIPALE - PLATINA PRINCIPAL
COMPONENT SIDE - COTE COMPOSANTS - BESTÜCKUNGSSEITE - LATO COMPONENTI - LADO COMPONENTES

44DLP54X
First issue 04 / 04
MAIN BOARD - PLATINE PRINCIPALE - CHASSIS GRUNDPLATTE - PIASTRA PRINCIPALE - PLATINA PRINCIPAL
SOLDER SIDE - CÔTE SOUDURES - LÖTSEITE - LATO SALDATURE - LADO SOLDADURAS

44DLP54X
First issue 04 / 04
(SIGNAL TUNER CIRCUIT)
SKC
SUB SIGNAL (1/3)
P102B=>P102A (MAIN)
P101B=>P101A (MAIN)
AV3
AV2AV1
JA202 JA202 JA201
JA201A
AUDIO
OUT
R
L
SUB SIGNAL (1/3)

44DLP54X
First issue 04 / 04
(SIGNAL TUNER CIRCUIT)
SKC
SUB SIGNAL (2/3)
P601A=>P601B (FCB)
SUB SIGNAL (2/3)

44DLP54X
First issue 04 / 04
Part of board connected to mains supply.
Partie du châssis reliée au secteur.
Primärseite des Netzteils.
Parte dello châssis collegata alla rete.
Parte del chassis conectar a la red.
Note :
During measurements in the power supply unit
- Use the primary power unit ground ( ).
Attention :
Mesure dans la partie primaire de l'alimentation
- Utiliser la masse du bloc alimentation ( ).
Achtung :
Bei Messungen im Primärnetzteil
- Primärnetzteilmasse verwenden ( ).
Attenzione :
misure nell'alimentatore primario
- usare massa alimentazione primario ( ).
Cuidado :
Medida en el bloque de alimentacion
- Utilizar la masa del bloque de alimentacion
( ).
Safety Part
When repairing, use original part only
Piece de securite
N'utilisez que les pieces d'origine
Bei Ersatz nur Originalteil verwenden
Sicherheitsbauteil
!
POWE
SMPS
P841A=>P401
(SUB SIGNAL)
P851A=>P402
(MAIN BOARD)
P811=>X1
BALLAST BOARD
P890A=>P403
(MAIN BOARD)
MIS
POWER/
LED
MIS
(POWER SUPPLY)
38V
13.5V
7V
6.3 (6.3)
0.2 (6.3)
11.5
279 (186)
197 (4.7)
(4.7)
(4.5)
4 (0)
5.5 (0)
2.5 (0)
14 (0)
1.8
(0)
0 (0)
22
(0)
380 (4.5)
(230)
0.8 (0.1)
0.8 : DC VOLTAGE TV ON
(0.1) : DC VOLTAGE TV Standby
(after Fans stopped)
3.2 (0)
3.2 (0)
2.5 (0)
0.8 (6.3) 1.5 (0.1)
6.3 (6.3)
3.2 (0)3.2 (0)
12 (0)
3 (0.1)
8 (0.5)
8 (0.5)
14 (0.5)
37 (0)
0 (0)
4.4 (0)
4V
ST_6V
12V
P801
P802
P800
P801
P805
P806A
P806B
HEAT
SENSOR
0
600Vpp-ON
T=15 µ s
0
18Vpp-ON
T=15 µ s
400Vpp-H
0
T=15 µ s
ON/STBY
POWER SUPPLY

44DLP54X
First issue 04 / 04
RIR
IR RECEIVER
POWER / LED BOARD
LED
FCB
POWER PART
SMPS
P5B =>P5A (SUB SIGNAL BOARD)
P5B
SUB CIRCUITS

44DLP54X
First issue 04 / 04
L302
MAIN MB -02JA
MAIN
(MAIN BOTTOM B/D)
P402=>P851A (SMPS) P403=>P890A (SMPS)
P1600
P1601
P102A =>P102B (SUB SIGNAL)
R
L
P101A =>P101B (SUB SIGNAL)
P400 =>
P502B (DRVER DLP)
P400
P202A =>P402B (SUB DIGITAL)
P201A =>P401B (SUB DIGITAL) OPTIONNAL
MAIN BOTTOM B/D

44DLP54X
First issue 04 / 04
RIR
IR RECEIVER
POWER / LED BOARD
LED
FCB
POWER PART
SMPS
P5B =>P5A (SUB SIGNAL BOARD)
P5B
SUB CIRCUITS

44DLP54X
First issue 04 / 04
DRIVER DLP BOARD - PLATINE DRIVER DLP - DRIVER DLP GRUNDPLATTE - PIASTRA DRIVER DLP - PLATINA DRIVER DLP
COMPONENT SIDE - COTE COMPOSANTS - BESTÜCKUNGSSEITE - LATO COMPONENTI - LADO COMPONENTES