29WF50
Reference Approx. 17.7 V as ordi- nary.
14-2
Adjustment Condition / ProcedureWaveform or others
(R1662 side) of D1621.verify that the protector does not operate.verify that the protector does operate.
1.Receive E-5CH (Monoscope pattern). 2.Connect the bias box to the cathode side3.Set the voltage of the bias box at 15V, and4.Set the voltage of the bias box at 24V, andCorrespondence for short circiut of smoothening electrolysis of +B line and so on. To check the operation of the protector and so on, take care for the breakage, deterioration and so on of each element.
PROTECTOR OPERATION CHECK
Checking Item
H.V ProtectorOther protectors
12
No.
14-1
631.0 Vp-p 40500 mVp-p
SUB-VOL Adj.H/P Output (Open)
Adjustment Condition / ProcedureWaveform or others
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.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 work- ing properly.SYSTEM key to select modes except NTSC3.58, check the COLOUR is not work- ing properly. Then, select the ONTSC 3.58� mode. Check again its colour so that it is work- ing properly.nal thru AV, press COLOUR SYSTEM key to select modes except N4.43, check the COL- OUR is not working properly. Then, select the ONTSC 4.43� mode. Check again its colour so that it is working properly.SYSTEM� to select B/G, I. Check the sound output is not working properly. Select D/K and check the sound output to make sure it is work- ing properly.SYSTEM� to select B/G, D/K. Check the sound output is not working properly. Select I and check the sound output to make sure it is work- ing properly.SYSTEM� to select I, D/K. Check the sound output is not working properly. Select B/G and check the sound output to make sure it is work- ing properly.400 Hz, 100% modulation (? 50kHz Dev)output with 400 Hz sound and no sound out from speaker.ing:)
1.Receive the "PAL COLOUR BAR" signal,2.Receive "SECAM COLOUR BAR" signal,3.Receive ONTSC 3.58� signal, press COLOUR4.Receive ONTSC 4.43/3.58 COLOUR BAR� sig-1.Receive OPAL-D/K� signal, press the OSOUND2.Receive OPAL-I� signal, press the OSOUND3.Receive OPAL-B/G� signal, press the OSOUND1.Receive the PAL Colour Bar signal with sound2.Maximum volume, and check the headphone(Ref: Output Level of Headphone is as Follow-
Adjustment pointSYSTEMSOUND SYSTEMHEADPHONE OUTPUT CHECKING
8COLOUR9FUNCTION OPERATION CHECKING (2) (VIDEO & AUDIO)
No.10
14 |