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TROUBLESHOOTING
4.4 No Picture at Tuner - Tuner Power Lines: 3.3V, 12.0V, 1.0V
BM5STY Tuner portion(Top View)
BM5STY Tuner portion(Bottom View)
R3037
FB3102
R3038
12V
R643
FB3103
1.0V Voltage Checking
BM5STY Tuner portion(Bottom View)
C3028
Q604
3.3V
+12V_LNB Voltage Checking
JL3019 = 3.3V
3.3V Voltage Checking
107
SYS SET
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