DAEWOO ELECTRONICS DTQ-29G1TS, Service Manual

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39
7-7. NO PIP
Step C heck Point
C ondition
Rem ark
Yes No
1 C heck voltage(5V,9V,33V) N ext Step G o to PO W ER
2 C heck D A,C LK,EN N ext Step C heck/replace I701
3 C heck sub-AFT N ext Step R eplace TU 02
4 W aveform is fig.1(1Vp-p) N ext Step R eplace TU 02
5 C heck Voltage(R F:high,AV:low ) N ext Step R eplace I701
6 W aveform is fig.1(2.3Vp-p) N ext Step C heck 9V, R eplace I503
7 C heck voltage(3.3Vdc) N ext Step G o to N O PO W E R
8 C heck SD A,SC L,AC K(fig4,5,6) N ext Step C heck I701
9 Frequency is 14.31818? N ext Step R eplace XP01
10 W aveform is fig.7 N ext Step C heck/R eplace I301
11 W aveform is fig.8 N ext Step C heck T401(AFC term inal)
12 W aveform is fig.10(PIP operate) N ext Step C heck #8,#51 term inal M ain C in
13 W aveform is fig.9(PIP operate) N ext Step C heck #49,R eplace IP01 M ain Y in
14 W ave form is fig.3 G o to N O Picture PIP C olor level