Daewoo DTR-14D3VG, Service Manual

Page: 53 / 73

4. NO COLOR
51
CHECK VIDEO SIGNAL
AT PIN13 OF I501(TDA8842)
[REFER TO WAVEFORM
¤Ø
]
CHECK SYSTEM MODE
AUTO
¤A
PAL
¤A
SECAM
¤A
N3
¤A
N4
¤A
N5
CHECK SIGNAL
AT PIN29, PIN30
OF I501
CHECK / REPLACE I501
CHECK / REPLACE
X501(4.43MHz X-TAL)
X502(3.58MHz X-tal)
REFER TO
NO PICTURE CHART
CHECK SIGNAL
AT PIN19, 20, 21
OF I501
CHECK VIDEO SIGNAL
AT CATHOD OF CRT
[REFER TO
WAVEFORM
¤ı§ §æ
]
CHECK / REPLACE
CRT
CHECK / REPLACE
I901, I902, I903
(CRT BOARD)
CHECK / REPLACE
I501
OK
NORMAL
NORMAL
NORMAL
NORMAL
ABNORMAL
ABNORMAL
ABNORMAL
ABNORMAL