Daewoo 14Q3, 21Q2, 21Q1, 14T2, 21Q4, 14Q2, 20Q1, 14Q1, 21T2, 20Q3, 14T1, 20T2, 21T1, 20Q2, 20T1 No Color

4. NO COLOR

						CHECK VIDEO SIGNAL
					AT PIN13 OF I501(TDA8374A)
					[REFER TO WAVEFORM ]
								ABNORMAL
			NORMAL
CHECK SYSTEM MODE
AUTO PAL SECAM
N3		N4		N5
CHECK SIGNAL
AT PIN29, PIN30
OF I501
									ABNORMAL
			NORMAL
CHECK / REPLACE I501								CHECK / REPLACE
							X501(4.43MHz X-TAL)
								X502(3.58MHz x-tal)
CHECK SIGNAL
AT PIN31, PIN32
OF I501
									ABNORMAL
			NORMAL
CHECK SIGNAL								CHECK / REPLACE
								I502 & I503
AT PIN19, 20, 21
	OF I501
									ABNORMAL
			NORMAL
CHECK VIDEO SIGNAL								CHECK / REPLACE
AT CATHOD OF CRT								I501
[REFER TO
WAVEFORM				]
									ABNORMAL
			NORMAL
CHECK / REPLACE								CHECK / REPLACE
		CRT						I901, I902, I903
								(CRT BOARD)
		OK

REFER TO

NO PICTURE CHART

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