Daewoo DV- K504N-SJ, Техническое руководство

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76
TROUBLESHOOTING GUIDES (Continued)
YES
D.
Check the Video,
Audio output signal of
pin , of
TMI BLOCK (RF101)
Check the TMI
BLOCK.
Check IC601
Check the
Video circuit.
Check the
IC601 pin.
Is the output of pin
, , and of IC601
normal?
77 79
YES
NO
83
14 18
Check the video output
signal pin of IC151?
NO
YES
NO
YES
14
80
YES
E.
Is 5V supplied
to pin of IC601.
76
YES
NO
Is GND applied
to pin of IC601
75
YES
Is 5V applied
to pin of IC601
37
YES
Check X602
Is 5V applied to
pin of IC601
87
Check L604, L606,
D803
YES
Check X601 and
IC601
YES
NO
Check RJ02
NO
Check IC604
NO
Check IC601
NO
Check IC624
When change the
channel broadcast
signal is not received.
LED is not
operate.