REPAIRING AND NOT THROWING AWAY

Richtige Fernseher haben Röhren!

Richtige Fernseher haben Röhren!

In Brief: On this site you will find pictures and technical information about Service Modes, Circuit Diagrams, Firmware Update procedure, Disassemble procedure, Universal remote control set-up codes, Troubleshooting and more....

If you go into the profession, you will obtain or have access to a variety of tech tips databases HERE IT IS Master Electronics Repair !.

These are an excellent investment where the saying: 'time-is-money' rules. However, to learn, you need to develop a general troubleshooting approach - a logical, methodical, method of narrowing down the problem. A tech tip database might suggest: 'Replace C536' for a particular symptom. This is good advice for a specific problem on one model. However, what you really want to understand is why C536 was the cause and how to pinpoint the culprit in general even if you don't have a service manual or schematic and your tech tip database doesn't have an entry for your sick TV or VCR.

While schematics are nice, you won't always have them or be able to justify the purchase for a one-of repair. Therefore, in many cases, some reverse engineering will be necessary. The time will be well spent since even if you don't see another instance of the same model in your entire lifetime, you will have learned something in the process that can be applied to other equipment problems.
As always, when you get stuck, checking out a tech-tips database may quickly identify your problem and solution.In that case, you can greatly simplify your troubleshooting or at least confirm a diagnosis before ordering parts.

Happy repairing!
Today, the West is headed for the abyss. For the ultimate fate of our disposable society is for that society itself to be disposed of. And this will happen sooner, rather than later.

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..............The bitterness of poor quality is remembered long after the sweetness of todays funny gadgets low price has faded from memory........ . . . . . .....
Don't forget the past, the end of the world is upon us! Pretty soon it will all turn to dust!

©2010, 2011, 2012, 2013, 2014 Frank Sharp - You do not have permission to copy photos and words from this blog, and any content may be never used it for auctions or commercial purposes, however feel free to post anything you see here with a courtesy link back, btw a link to the original post here , is mandatory.
All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Saturday 23 February 2019

AKIRA - CT21CQS5CPT SERVICE MODE - ADJUSTMENTS

  AKIRA - CT21CQS5CPT SERVICE MODE


TO ENTER SERVICE MODE

  • Set the "Volume" to [0].
  • Press and Hold the 'Mute" button on the remote control, and the 'Menu" button on the TV set, simultaneously to enter service mode.
  • To "Exit" from service mode, turn OFF the TV by its main power ON|OFF switch.
The user service mode adjustment can be changed only when service personal adjust the whole set data during servicing, as the control data have dramatic effects on functions, and performance of the TV.  

SERVICE MODE  => ADJUST  => DESCRIPTION
_________________________________________________________________________________
STS 0|1|2|3|4 => 00  => UOC SYSTEM SURVEILLANCE DISPLAY
IFP1 => 00 => IF PRESET VALUE 1
IFP2 => 00 => IF PRESET VALUE 2
TINT => 20 => BASE BAND TINT CONTROL
TWBK => 88 => TIME OF 'WIDE BLANKING'
PWL => 15 => PEAK WHITE LIMITED
OIF => 20 => OFF SET DEMODULATOR
5HP|6HP => ADJUSTABLE => HOR PARELLOGRAM CORRECTION
5HB|6HB => ADJUSTABLE => HOR BOW CORRECTION
5HSH|6HSH => ADJUSTABLE => HORIZONTAL SHIFT
3HZD|6HZD => 0A => DVD HORIZONTAL SHIFT
5EWW|6EWW => ADJUSTABLE => E-W WIDTH.
5EWP|6EWP => ADJUSTABLE => E-W PARABOLA WIDTH.
5UCR|6UCR => ADJUSTABLE => E-W UPPER CORNER PARABOLA.
5LCR|6LCR => ADJUSTABLE => E-W BOTTOM CORNER PARABOLA.
5TC|6TC => ADJUSTABLE => E-W TRAPEZIUM.
5VSL|6VSL => ADJUSTABLE => VERTICAL SLOPE.
5VAM|6VAM => ADJUSTABLE => VERTICAL AMPLIFIER [HEIGHT]
5SCL|6SCL => ADJUSTABLE => VERTICAL "s" CORRECTION.
5VSH|6VSH =.>ADJUSTABLE => VERTICAL SHIFT.
5VZD|6VZD => 00 => DVD VERTICAL SHIFT.
5VOF|6VOF => 26 => OSD VERTICAL SHIFT.
RED => 20 => BLACK LEVEL OFFSET. RED.
GRN => 20 => BLACK LEVEL OFFSET. GREEN.
WPR => 1F => WHITE POINT R.
WPG => 1F => WHITE POINT G.
WPB => 1F => WHITE POINT B.
DRED => 00 => DVD BLACK LEVEL OFFSET. R.
DGRN => 50 => DVD BLACK LEVEL OFFSET. G.
DWPR => 00 => DVD WHITE POINT. R.
DWPG => 00 => DVD WHITE POING. G.
DWPB => 00 => DVD WHITE POINT B.
YDFP|YDFN|YDFS|YDAV => 07 => LUMINANCE DELAY TIME.
TOP => ADJUSTABLE => AGC TAKE OVER.
VOL => 2A => VOLUME CONTROL.
VOLA => 20 => DUMMY AVL LEVEL.
CORE => 03 => CORE NOISE REDUCTION.
HLOG => 02 => THE HORIZONTAL POSITION LOGO
VLG 1 => 0A => THE FIRST LINE VERTICAL POSITION.
VLG 2 => 0E => THE SECOND LINE VERTICAL POSITION.
COL 1 => 04 => THE COLOR OF FIRST LINE LOGO.
COL 2 => 04 => THE COLOR OF SECOND LINE LOGO.
TIME => 0F => THE TIME OF NO-SIGNAL AUTO OFF.
IFFS => 02 => IF 38Mhz(03)/38.9Mhz(02)/45.75Mhz(01).
HDOL => 0A => CATHODE DRIVE LEVEL.
AGC => 03 => AGC TIME.
VG2B => 1A => VG2 BRIGHT SET.
SBRI => 24 => SUB BRIGHT.
MBRI => 30 => MAX BRIGHT.
SCON => 20 => SUB CONTRAST.
MCON => 39 => MAX CONTRAST.
SCOL => 32 => SUB COLOR.
OP-1 to OP 10 >> OPTIONALS.
INIT => EEPROM INTIT.
VG 2 => SCREEN VOLTAGE.
_______________________________________________________________________________

AKIRA - CT21CQS5CPT SERVICE MODE - ADJUSTMENTS 

OPTIONS

OP-1

BIT  => NAME  => DESCRIPTION

0 => OP HOTEL => HOTEL MODE' 1=YES; 2=NO
1 => OP_236 => CHANNEL NUMBER SETUP [1:236, 0:100]
2 => OP NTSC => NTSC.  1=YES; 0=NO.
3 => OP_AV2 => 2 AV INPUT [1:AV2, 0: NO AV2]
4 => OP_S VSH => S VIDEO INPUT [ 1:YES  0: NO]
5 => OP_DVD => DVD INPUT [1>YES.  0>NO.]
6 => OP_SCART => SCART [1>YES. 0>NO]
7 => OP_OSO => SWITCH OFF IN VERTICAL OVERSCAN  [1]

OP-2

0 => OP_AVL => AVL
1 => OP_AUTO SOUND => AUTO_SOUND.
2 => OP_NOT_1
3 => OP_NOT_2
4 => OP_NOT_3 [TELETEXT LANGUAGES]
5 => OP_USER_LOGO => USERS' LOGO SETUP.
6 => OP_ON_BLACK => BLUE BACK ON/OFF
7 => OP_FSL >

OP-3 > OP-4 & OP-5 =>  [LANGUAGE SELECTIONS]  SELECT YOUR LANGUAGE.