Daewoo DTD-29M1 MEO Service Manual page 53

4-2. NO ON-SCREEN DISPLAY (PICTURE OK)
CHECK SIGNAL AT PIN
38,39,40,41 OF I701
(OSD & TEXT SIGNAL)
NORMAL
CHECK SIGNAL AT PIN
15,16,17,18 OF I501
(OSD & TEST SIGNAL)
NORMAL
CHECK SIGNAL AT PIN
20,21,22 OF I501
ABNORMAL
CHECK / REPLACE
I501
ABNORMAL
ABNORMAL
- 18 -
TROUBLE SHOOTING CHARTS
CHECK SIGNAL AT PIN
19,20 (HORI. & VERTI,
SYNC) OF I701
CHECK / REPLACE
PIP BOARD
APPENDIX