29A-FD5
29A-FD8
D
NoNo
NoNoCheck Q2801, IC451, IC5461 and their peripherals.Check D1664 and its peripherals.
YesNoYes
NO COLOUR
Turn on Colour control. Does colour appeart?Turn on Colour system forced switch. Does colour appear?Is chroma input level of IC2801 pin (13) proper?Is FBP signal waveforms at pin (25) of IC2801 proper?Check IC2801.
No
YesYes
Yes
YesYesYes
Is only RF signal's colour abnormal?
NO SPECIFIC COLOURCheck TU201, IC451 and their peripherals.Set Colour control.Fix control to coloured system.Is SCP signal waveform at pin (2) of IC2801 proper?
Check IC2801, IC2807 and IC4901.
Are signal waveforms at pin (10), (11) of IC2901 proper?Are waveforms at pins (29) and (30) of IC2806 proper?
NoNo
TROUBLE SHOOTING TABLE (Continued)
NTSC3.58: Check X2402, pin (10) of IC2801 and their peripherals.PAL, SECAM, NTSC4.43: Check X2401, pin (8) of IC2801 and their peripherals.Check IC2806 and its peripherals.
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