VSX-52TX
125
5
6
7
8
5
6
7
8
C
D
F
A
B
E
Step 5: 5
→
3V conversion
Replace IC952
A
Pin 9
Does
it convert
3V into 5V for
11 pin input?
No
Yes
Replace IC952
Pin 12
Does
it convert
3V into 5V for
8 pin input?
No
Yes
Replace IC952
Pin 14
Does
it convert
3V into 5V for
6 pin input?
No
Yes
Replace IC952
Pin 16
Does
it convert
3V into 5V for
4 pin input?
No
Yes
Replace IC952
Replace IC501
Pin 18
Does
it convert
3V into 5V for
2 pin input?
No
Yes
End
End
Replace IC951
IC951
Pin 2
Does
it convert
5V into 3V for
6 pin input?
No
Yes
Replace IC951
Pin 5
Does
it convert
5V into 3V for
3 pin input?
No
Yes
Replace IC951
Pin 7
Does
it convert
5V into 3V for
1 pin input?
No
Yes
Step 6: DIR
IC601
Is pin 1
inputting it?
Check the OPTICAL-IN Assy
and related path.
IN1 (TV/SAT) (pin 1)
No
Yes
Is pin 5
inputting it?
Check the OPTICAL-IN Assy
and related path.
IN2 (CD-R/TAPE/MD) (pin 5)
No
Yes
Is pin 44
inputting it?
IN3 (DVD/LD) (pin 44)
No
Yes
Is S/PDIF signal coming ?
(be different with Function)
B
Summary of Contents for 1014TX-K - THX Select A/V Receiver
Page 23: ...VSX 52TX 23 5 6 7 8 5 6 7 8 C D F A B E ...
Page 47: ...VSX 52TX 47 5 6 7 8 5 6 7 8 C D F A B E M 2 2 ...
Page 53: ...VSX 52TX 53 5 6 7 8 5 6 7 8 C D F A B E CN4401 Q CN2103 AB CN2101 AB CN2103 AB CN2002 AB S ...
Page 55: ...VSX 52TX 55 5 6 7 8 5 6 7 8 C D F A B E CN4451 Q U CN2104 AB CN2104 AB CN2102 AB 2001 AB ...