44
VSX-918V-K
1
2
3
4
A
B
C
D
E
F
1
2
3
4
Step 2-6: TMDS
IC101 (Pins 25,26,28,29,31,32,34,35)
TMDS OUTPUT
B
SDA (HDMI IN2)
No
IC101 (Pin 45)
Is
there a same
signal as IC102-pin 7
when selecting
IN2?
Yes
Check the IC101 and JA102.
If IC101 or JA102 is failure,
replace IC101 or JA102.
* When connected the source equipment to IN2;
SCL (HDMI IN2)
No
IC101 (Pin 46)
Is
there a same
signal as IC102-pin 9
when selecting
IN2?
Yes
Check the IC101 and JA102.
If IC101 or JA102 is failure,
replace IC101 or JA102.
(0 to 5 V)
(0 to 5 V)
End
No
Are there
signals(approx. 0.5
Vp-p) in all
lines?
Yes
Check the IC101.
If IC101 is failure, replace IC101.