Daewoo DTD-29M1 MEO Service Manual page 52

APPENDIX
TROUBLE SHOOTING CHARTS
4. NO PIP PICTURE & NO ON-SCREEN DISPLAY(PICTURE OK)
4-1. NO PIP PICTURE (MAIN PICTURE OK)
CHECK SIGNAL AT
P904
TV,AV,AV2(SIGNAL)
NORMAL
CHECK SIGNAL AT
P904
HORI & VERTI SYNC
NORMAL
CHECK 9V LINE &
SCL,SDA
AT P901
NORMAL
CHECK 5V & 3.3V LINE
AT PIP BOARD
NORMAL
CHECK SIGNAL AT PIN
15,16,17,18 OF IP01
NORMAL
CHECK SIGNAL AT PIN
15,16,17,18 OF I501
ABNORMAL
ABNORMAL
ABNORMAL
ABNORMAL
- 17 -
CHECK SIGNAL AT
Q205,JP01,JP02
CHECK / REPLACE
Q403,R309,R310,
R311,R414
CHECK SIGNAL AT PIN
1,2(XP01) OF IP01
CHECK / REPLACE
QP01,QP02,QP03,QP04