Akai 29CTF05BS Service Manual page 34

Colour tv set
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FUNCTION OPERATION CHECKING (1) (VIDEO & AUDIO)
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CONTRAST Key
(1) Receive "Monoscope Pattern" signal.
(2) Press to Menu mode, then select Picture Mode and set to select CONTRAST.
(3) Press Volume Up/Down key to check whether the CONTRAST e ect is OK or not.
2
COLOUR Key
(1) Receive "Colour Bar" signal.
(2) Press to Menu mode, then select Picture Mode and set to select COLOUR.
(3) Press Volume Up/Down key to check whether the COLOUR e ect is OK or not.
3
BRIGHTNESS Key
(1) Receive "Monoscope Pattern" signal.
(2) Press to Menu mode, then select Picture Mode and set to select BRIGHTNESS.
(3) Press Volume Up/Down key to check whether the BRIGHTNESS e ect is OK or not.
4
TINT Key
(1) Receive the "NTSC Colour Bar" signal thru AV in.
(2) Press to Menu mode, then select Picture Mode and select TINT.
(3) Press Volume Up/Down key to check TINT, UP for GREEN direction and DOWN for RED
direction whether is OK or not.
5
SHARPNESS Key
(1) Receive "Monoscope Pattern" signal.
(2) Press to Menu mode, then select Picture Mode and set to select SHARPNESS.
(3) Press Volume Up/Down key to check whe
6
NORMAL KEY
(1) Once in PICTURE Mode, and the NORMAL key is pressed, all the settings will be present to
normal setting.
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7
WHITE TEMP
(1) Receive "Monoscope Pattern" signal.
(2) Set FUNCTION to select WHITE TEMP.
(3) Press Volume Up/Down key to check WHITE TEMP Option, STANDARD:
NORMAL SETTING, WARM for more REDDISH direction changing, COOL for more BLUISH
direction changing.
8
COLOUR SYSTEM
(1) Receive the "PAL COLOUR BAR" signal, press the COLOUR SYSTEM key to select modes
except PAL, check the COLOUR is not working properly.
Then, select the "PAL" mode. Check again its colour so that it is working properly.
(2) Receive "SECAM COLOUR BAR" signal, press COLOUR SYSTEM key to select modes
except SECAM, check the COLOUR is not working properly.
Then, select the "SECAM" mode. Check again its colour so that it is working properly.
(3) Receive "NTSC 4.43" signal, press COLOUR SYSTEM key to select modes
except NTSC 4.43, check the COLOUR is not working properly.
Then, select the "NTSC 4.43" mode. Check again its colour so that it is working properly.
(4) Receive "NTSC 4.43/3.58 COLOUR BAR" signal thru AV, press COLOUR SYSTEM key to
select modes except N4.43/3.58, check the COLOUR is not working properly.
Then, select the "NTSC 4.43/3.58" mode. Check again its colour so that it is working properly.
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3 – 30
29CTF05BS
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Note :
If nothing is display mean
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sharpness are all in normal
setting.
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