25WF30
Reference Approx. 17.7V as ordinary.
12-2
631.0Vp-p 40500mVp-p
Adjustment Condition / ProcedureWaveform or othersAdjustment Condition / ProcedureWaveform or others
SUB-VOL ADJH/P Output (Open)
AV, press the COLOUR SYSTEM key to se- lect modes except PAL, check the COLOUR is not working properly. Then, select the "PAL" mode. Check again its colour so that it is work- ing properly.COLOUR SYSTEM key to select modes ex- cept NTSC3.58, check the COLOUR is not working properly. Then, select the ONTSC 3.58� mode. Check again its colour so that it is work- ing properly.thru AV, press COLOUR SYSTEM key to se- lect modes except N4.43, check the COLOUR is not working properly. Then, select the ONTSC 4.43� mode. Check again its colour so that it is working properly.400 Hz, 100% modulation (? 50 kHz Dev)output with 400 kHz sound and no sound out from speaker.(R1620 side).the protector is not work.the protector is work.ing electrolysis of +B line and so on. To check the operation of the protector and so on, take care for the breakage, deteriora- tion and so on of each element.
1.Receive the "PAL COLOUR BAR" signal thru2.Receive ONTSC 3.58� signal thru AV, press3.Receive ONTSC 4.43 COLOUR BAR� signal1.Receive the PAL Colour Bar signal with sound2.Maximum volume, and check the headphone1.Receive E-5CH "Monoscope Pattern" signal. 2.Connect the Bias Box to D1621 cathode3.Set voltage of Bias Box to 15V and make sure4.Set voltage of Bias Box to 24V, and make sure*Correspondence for short circuit of smooth-
PROTECTOR OPERATION CHECKING
Adjustment pointCOLOUR SYSTEMOUTPUT CHECKINGAdjustment pointH, V PROTEC- TOROTHER PROTECTOR
FUNCTION OPERATION CHECKING (2) (VIDEO & AUDIO)
No.89HEADPHONENo.12
If nothing is display mean contrast, colour, bright, tint, sharpness are all in normal setting.
Notes:
12-1
Adjustment Condition / ProcedureWaveform or others
Mode and set to select CONTRAST.the CONTRAST effect is OK or not.Mode and set to select COLOUR.the COLOUR effect is OK or not.Mode and set to select BRIGHTNESS.the BRIGHTNESS effect is OK or not.in.Mode and set to selectTINT.UP for GREEN direction and DOWN for RED direction whether is OK or not.Mode and set to select SHARPNESS.the SHARPNESS effect is OK or not.key is pressed, all the settings will be present to normal setting. (Normal setting value for every mode, refer to page 7-2.)TEMP Option, STANDARD: NORMAL SET- TING, WARM for more REDDISH direction changing, COOL for more BLUISH direction changing.
1.Receive "Monoscope Pattern" signal. 2.Press to MENU mode, then Select Picture3.Press Volume Up/Down key to check whether1.Receive "Color Bar" signal. 2.Press to MENU mode, then Select Picture3.Press Volume Up/Down key to check whether1.Receive "Monoscope Pattern" signal. 2.Press to MENU mode, then Select Picture3.Press Volume Up/Down key to check whether1.Receive the "NTSC Colour Bar" signal thru AV2.Press to MENU mode, then Select Picture3.Press Volume Up/Down key to check TINT,1.Receive "Monoscope Pattern" signal. 2.Press to MENU mode, then Select Picture3.Press Volume Up/Down key to check whether1.Once in PICTURE Mode, and the NORMAL1.Receive the Monoscope Pattern signal. 2.Set FUNCTION to select WHITE TEMP. 3.Press Volume Up/Down key to check WHITE
Adjustment pointCONTRAST KeyKey
FUNCTION OPERATION CHECKING (1) (VIDEO & AUDIO)12COLOUR Key3BRIGHTNESS4TINT Key5SHARPNESS6NORMAL Key7WHITE TEMP
No.
12 |
ACEC
SHARP
