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Troubleshooting
5-9 RF Weak Signal (Playback, AV Mode OK)
1. Check Tuner (TU01S) B+. Check: 8V
33V (DZ201). Check 5V
5-10 No Vertical SCAN
1. Check R425, D401
2. Check IC301, #2
3. Check Chroma module Vertical-out Line
4. Check DY Connector
5-11 Horizontal Size
1. Check C411, R421, Q403, R413, R405
5-12 On-Screen Display Missing
1. Check IC902 #56, #57, #58
5-6
Samsung Electronics
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