Daewoo DTC-25G1VM, Service Manual

Page: 6 / 40

ALIGNMENT INSTRUCTIONS
„ „ „ „
CM-900 CHASSIS ADJUSTMENT
A pplication
•
T his prescribes the adjustm ent procedure for the optim um electrical perform ance of the C M -900 chassis
color T V receiver
G eneral Description
•
T he grade characteristics have to be m arked on the test devices and m easuring instrum ents.
•
Fix these equipments previously which have enough performance to acknowledge the applied standard for each test items.
•
P erform the adjustm ent w hen the chassis is in a fully stable state as long as no particular condition is specified.
•
W hen adjusting this chassis, the environm ental tem perature 20± 2° C , relative hum idity 65± 5% and air pressure
860-1060m bar are suitable. A s long as no particular condition is specified, how ever, it is possible to execute the
adjustm ent at tem perature 15-35° C , relative hum idity 45-85% and air pressure 860-1060m bar.
•
T he strength of the applied input signal is dropped out voltage as long as no particular condition is specified.
Pow er Supply
•
perform the adjustm ent w ithin ± 10% of the rate voltage.
A dditional R em ark
•
In this test, the subject matter of the open/close applies in accordance with the technical standard control rule TESNO-001.
1. PCB ADJUSTMENT
1-1. Channel Presetting
CH M EMORY CH. SYSTEM PATTERN
01 2 PAL -B R E TM A
02 4 PAL -B D E M
03 5 PAL -B C R O S S H ATC H
04 8 PAL -B R E D
05 10 PAL -B C O LO R B AR
06 12 S E C A M -B SE C A M -C O LO R
07 18 PAL -K R E TM A
08 21 PAL -G R ,B ,W
09 25 PAL -G C O LO R B AR
10 31 PAL -I C O LO R B AR
11 38 PAL -I D E M
12 51 PAL -I R E TM A
13 5 N TS C -M C O LO R B AR
14 8 N TS C -M R E TM A
15 10 N TS C -M LA D Y