FUNCTION OPERATION CHECKING (1) (VIDEO & AUDIO)FUNCTION OPERATION CHECKING (2) (VIDEO & AUDIO)
No. Adjustment pointAdjustment Condition / ProcedureWaveform or othersNo. Adjustment pointAdjustment Condition / ProcedureWaveform or others
1CONTRAST1. Receive the Monoscope Pattern signal.8HEADPHONE1. Receive the PAL Colour Bar signal with sound
Key2. Press to Menu mode, then select Picture ModeOUTPUT400 Hz, 100% modulation (? 50kHz Dev)
and set to select CONTRAST.CHECKING2. Maximum volume, and check the headphone
3. Press Volume Up/Down key to check whetheroutput with 400 Hz sound and no sound out
the CONTRAST effect is OK or not.from speaker.
(Ref: Output Level of Headphone is as Following:)
2COLOUR Key1. Receive the Colour Bar signal.SUB-VOL Adj.H/P Output (Open)
2. Press to Menu mode, then select Picture Mode631.0 Vp-p
and set to select COLOUR.40500 mVp-p
3. Press Volume Up/Down key to check whether
the COLOUR effect is OK or not.
3BRIGHTNESS1. Receive the Monoscope Pattern signal.
Key2. Press to Menu mode, then select Picture Mode
and set to select BRIGHTNESS.
3. Press Volume Up/Down key to check whether
the BRIGHTNESS effect is OK or not.
4TINT Key1. Receive the NTSC Colour Bar signal thru AVPROTECTOR OPERATION CHECK
input.
No. Checking ItemAdjustment Condition / ProcedureWaveform or others
2. Press to Menu mode, then select Picture Mode
and set to select TINT.1H.V Protector 1. Receive the Monoscope pattern signal.Reference Approx. 17.7 V as
3. Press Volume Up/Down key to check TINT, UP2. Connect the bias box to the cathode sideordinary.
for GREEN direction and DOWN for RED(R1662 side) of D1621.
15direction whether is OK or not.3. Set the voltage of the bias box at 15V, and
verify that the protector does not operate.
4. Set the voltage of the bias box at 24V, and
5SHARPNESS1. Receive the Monoscope Pattern signal.verify that the protector does operate.
Key2. Press to Menu mode, then select Picture Mode
and set to select SHARPNESS.
3. Press Volume Up/Down key to check whether
the SHARPNESS effect is OK or not.
2OtherCorrespondence for short circiut of smoothening
protectorselectrolysis of +B line and so on.
6NORMAL Key1. Once in PICTURE Mode, and the NORMALNote:To check the operation of the protector and so
key is pressed, all the settings will be presentIf nothing is display mean contrast,on, take care for the breakage, deterioration and
to normal setting.colour, brightness, tint, sharpnessso on of each element.
(Normal setting value for every mode, refer onare all in normal setting.
page 8.)
7WHITE TEMP1. Receive the 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.
SX68KF7 CX68KF5
15-115-2 |