Thomson TX807, TX807C, TX807CS Schematic
Technical Information
TTEELLEEVVIISSIIOONN
Chassis : TX807
TX807C
TX807CS
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
Technical Information
TTEELLEEVVIISSIIOONN
Chassis TX807/C/CS
Symptom description
TX807
Burst mode actived.
Failure of bridge rectifier RS205-K106 (600 V) DP01.
Failure of the 24-volt zener diode in position DP27 for no specific reason.
Improving the stability and reliability of +5VR supply voltage.
Introduction index 02 PCB.
Picture distorsion, with horizontal jitter.
The picture being modulated by the low frequency audio components at high volume levels.
Transistor in position TP20.
TX807C/CS
After having switch off the TV by the mains swicth, it is impossible to switch it ON again.
Excessive delay at switch ON.
Failure of resistor 10W 5% 0.430W in position RL035.
From standby, TV doesn't start. ( 1 )
From standby, TV doesn't start. ( 2 )
From standby, TV doesn't start or TV starts by itself without any action on the remote control.
Moire.
Transistor in position TP020.
TV doesn't start.
Power supply
Television
TTEECCHHNNIICCAALL IINNFFOORRMMAATTIIOONN
Chassis TX807/C/CS
Symptom description
TX807
Improvement the reliability of the line output transistor TL02.
TX807C/CS
Breathing effect.
East-West Module EWM80050.
Evolution of switched mode power transformer.
Evolution transistor in position TL035.
Excessive picture width.
Picture flickering.
Ringing effect.
Sometimes after switching the TV to standby, (or switch OFF) after glow can be visible at the center
of the screen.
H_Deflection circuit
Television
TTEECCHHNNIICCAALL IINNFFOORRMMAATTIIOONN
Chassis TX807/C/CS
Symptom description
TX807C/CS
In the middle of the screen you can observe horizontal disturbances, easily visible on normal picture.
Set switches to security.
V_Deflection circuit
Technical Information
TTEELLEEVVIISSIIOONN
Chassis TX807/C/CS
Symptom description
TX807
Visible white dots on red or black picture contents (similar to sparkles on satellite reception).
TX807C/CS
Evolution of VHF/UHF Tuner.
HF-IF circuit
Technical Information
TTEELLEEVVIISSIIOONN
Chassis TX807/C/CS
Symptom description
TX807C/CS
IR circuit inoperative.
Control panel
Television
TTEECCHHNNIICCAALL IINNFFOORRMMAATTIIOONN
Chassis TX807/C/CS
Symptom description
TX807
Background noise in loudspeaker at low volume levels.
Crackling noise in standby.
TX807C/CS
Noisy sound in AV mode.
Data processing
Television
TTEECCHHNNIICCAALL IINNFFOORRMMAATTIIOONN
Chassis TX807/C/CS
Symptom description
TX807
Ploc, noise in loudspeaker & Headphone.
TX807C/CS
Integrated Circuit in position IS001.
Integrated Circuit in position IS100.
Audio processing
Loading...