akira CT-21DR9 Service Manual Download Page 9

 

 

 

Model No: CT-21DR9A_21DR9CP_21DR9CP(SKD)_21DR9R_21DR9R(SKD) 
Version 1.0

 

 

 

2. 

Setting of company logo: 

2.1.  Switch on the TV set and set the TV in AV mode, Press Remote control “DISP” key and the TV 

screen will display “AV” and follow by presetting the Numeric key “6”, “4”, “8”, “3” to enter the 

company logo setting. 

 

2.2.  Press the “P+/P-“ key for selection of function and press “V+/V-“ key for adjustment. Press “>*<-

“ key to change or select your requirement. 

 

2.3.  Logo setting 1

st

 row that come with 4 kinds of setting: 

 
2.4.  Logo setting 2

nd

 row that come with 2 kinds of setting: 

1

st

 turn off the display, 2

nd

 turn on the display (display the word setting of maximum 10 words). 

 

2.5.  When the 2 rows of words are display on the TV screen, and you can check the words positioning. 

Not too close to each other or the words are not clear to display on the screen. Re-set the logo 

words from the logo setting factory mode.  

 

 

 
 

 

 

FACTORY MODE ADJUSTMENT TABLE 

 
 

Table 1 

Selection 
Items  

OSD Display  Setting Description 

14” 

14”/21”  25”/29” 

34” 

Reading 
limit 

00 

H.PHASE 

Horizontal centre 

0-31 

01 

NT.PHASE 

NTSC center setting 

-5 - + 16 

02 

H.BLK.LEFT 

Horizontal left adjust 

 

0/1 

03 

H.BLK.RIGHT  Horizontal right adjust 

 

0/7 

04 

V.SIZE 

Vertical size 

52 

82 

88 

83 

0 -127 

05 

V.LINE 

Vertical Linearity 

11 

13 

16 

14 

0 - 31 

06 

V.POSI 

Vertical position 

24 

23 

23 

25 

0 - 63 

07 

V.SC 

Vertical SC adjust 

 

0 - 31 

08 

NT.V.SIZE 

NTSC Vertical size 

-31 - +32 

09 

NT.V.LINE 

NTSC Vertical line 

-15 - +16 

10 

NT.V.POST 

NTSC Vertical 
position 

10 

-31 - +32 

11 

NT.V.SC 

NTSC Vertical SC 

-15 - +16 

12 

RF.AGC 

RF AGC adjustment 

23 

26 

26 

26 

0 - 63 

13 

VOLUME 
OUT 

Sound output 

128 

108 

108 

108 

0 - 127 

14 

SUB. CONT 

Contrast 

23 

26 

26 

26 

0 - 31 

15 

SUB. 
COLOUR 

Colour 

 

30 

30 

30 

0 - 63 

16 

SUB. SHARP 

Sharpmness 

 

0 - 31 

17 

SUB.TNT 

TINT Colour 

16 

26 

26 

26 

0 - 63 

18 

OSD.CONT 

OSD Contrast 

56 

60 

60 

60 

0 - 127 

19 

OSD. H.POSI 

OSD left/right 

36 

30 

30 

30 

0 - 127 

20 

OSD.V.POSI 

OSD up/down  

17 

12 

12 

12 

0 - 31 

 
 

 

 
 

 

Summary of Contents for CT-21DR9

Page 1: ...C C Co o ol l lo o ou u ur r r T T TV V V S S Se e er r rv v vi i ic c ce e e M M Ma a an n nu u ua a al l l...

Page 2: ...21DR9CP_21DR9CP SKD _21DR9R_21DR9R SKD Version 1 0 2 M M Mo o od d de e el l l G G Gr r ro o ou u up p p C C CT T T 2 2 21 1 1D D DR R R9 9 9 CHASSIS SS1 MODEL CT 21DR9A CT 21DR9CP CT 21DR9CP SKD CT 2...

Page 3: ...CT 21DR9A_21DR9CP_21DR9CP SKD _21DR9R_21DR9R SKD Version 1 0 3 CONTENTS Specifications 4 X Ray Radiation Precaution 5 Safety Precaution 5 Product Safety Notice 5 Alignment Instructions 6 Schematic Di...

Page 4: ...P B CP PAL NTSC P B Picture Tube 54 cm 21 diagonal Ext Antenna 75 Ohm Coaxial Cable Ext In Out Audio Video in out Speakers 5W x 2 Volts A AC 100 260V 50 60Hz R N CP AC 150 260V 50 60Hz Power Consumpti...

Page 5: ...uring any dynamic service to avoid possible shock hazard 2 Always discharge the picture tube anode to the CRT conductive coating before handling the picture tube The picture tube is highly evacuated a...

Page 6: ...s 1 4 Digital multi meter with LED display 4 digits 1 5 Factory mode remote control unit 2 Channels setting required Channel 1 Monoscope pattern PAL DK Music Channel 7 Half Colour Bar pattern PAL I Mo...

Page 7: ...l Line and Size Adjustment 8 1 Receive crosshatch pattern use factory mode remote control to press factory mode key for adjustment Using CH keys for V Size and V Line selection 8 2 Use V keys to adjus...

Page 8: ...t over 9 0 Mohm if not reject Note Everyday work check the high pot Condition as 3100V 10 mA 5 sec are OK 14 Safety Check 14 1 High voltage checking Use high pot tester and set the tester to 3100V 10m...

Page 9: ...etting factory mode FACTORY MODE ADJUSTMENT TABLE Table 1 Selection Items OSD Display Setting Description 14 14 21 25 29 34 Reading limit 00 H PHASE Horizontal centre 7 9 7 6 0 31 01 NT PHASE NTSC cen...

Page 10: ...7 16 VOL FIL Sound trap filter control 1 1 1 0 3 17 VIF SYS SW VCO setting 1 0 0 0 0 7 18 VIDEO LEVEL Video output adjustment 7 7 7 0 7 19 FM LEVEL Sound output adjustment 16 16 16 0 31 20 POWER OPTI...

Page 11: ......

Reviews: