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5
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8
B
* When connected the source equipment to IN2; IC101 (Pin 45) SDA (HDMI IN2)
A
Is there a same No Check the IC101 and JA102. signal as IC102-pin 7 If IC101 or JA102 is failure, when selecting replace IC101 or JA102. IN2? (0 to 5 V) Yes IC101 (Pin 46) SCL (HDMI IN2)
Is there a same No Check the IC101 and JA102. signal as IC102-pin 9 If IC101 or JA102 is failure, when selecting replace IC101 or JA102. IN2? (0 to 5 V) Yes
B
Step 2-6: TMDS
IC101 (Pins 25,26,28,29,31,32,34,35) TMDS OUTPUT
Are there signals(approx. 0.5 Vp-p) in all lines? Yes End
No Check the IC101. If IC101 is failure, replace IC101.
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VSX-918V-K
5 6 7 8
47
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