THOMSON TX-28PN1D
Manual de Servicio

Item / Preparation +B SET-UP
1. 2.

ADJUSTMENT PROCEDURE
Receive a Window pattern. Set the controls : Brightness Contrast Volume Minimum Minimum Minimum

Adjustments
TPD11

Confirm the following voltages: 12,3 13,5 TPD12 TPD13 TPD16 TPD17 TPD20 3,3 5 8 3,3 1,8
Audio 5W Audio MIN

± ± ± ± ± ± ±

0,5V 0,5V 0,15V 0,25V 0,3V 0,15V 0,1V

TPD21

9,4 5,7

Normal mode Standby mode

±

0,5V 0,3V 1,5V 10V 1V 1V 1V 0,3V

±

TPD23 TPD121 TPD122 TPD123 TPD124 TPL5

138 205 17,2 -11,6 13,6 6,3

± ± ± ± ± ±

CUT OFF / Ug2 Test

1. Receive a Window pattern. 3. Set: Colour 50% Brightness 50% Contrast 100%

To adjust Cutoff connect an oscilloscope to the Blue cathode. Adjust the screen VR until the black level is 160V ± 2V.
Black Level 160V ± 2V GND

SELF CHECK

Self-check is used to automatically check the bus lines and hexadecimal code of the TV set.To enter Self-Check mode, press the STATUS button on the remote control and at the same time press the down (-/v) button on the customer controls at the front the TV set. To exit Self Check, switch off the TV set at the power button.

E2 DDP VSP AVSW

O.K. O.K. O.K. O.K.

TUN MSP DPL MAS VCTi

O.K. O.K. ----F1 TX-28PN1F TX-28PN1P 0F 00 B0 11 00 35 7F 54 00 00 11 00 88 71

TX-29PN1D OPTION 1 OPTION 2 OPTION 3 OPTION 4 OPTION 5 OPTION 6 OPTION 7 OPTION 8 OPTION 9 OPTION 10 OPTION 11 OPTION 12 OPTION 13 CHECK 0F 00 A0 11 00 35 7F D4 00 00 11 00 88 E1

TX-29PN1F TX-29PN1P 0F 00 A0 11 00 35 7F 54 00 00 11 00 88 61

TX-28PN1D 0F 00 B0 11 00 35 7F D4 00 00 11 00 88 F1

If the CCU ports have been checked and found to be incorrect or not located then " - - " will appear in place of "O.K.".

4