Pioneer VSX-84TXSi Service Manual page 57

5
QQ
3 7 63 1515 0
G
IC701(Pin 4-9,
12,13)
Yes
Is there a
DATA?
Yes
IC701(Pin 16-18,
26-30)
Is there a
DATA?
Yes
IC701(Pin 32)
Is there a
CLK?
Yes
IC701(Pin 53-55,
TE
58-62)
L 13942296513
Is there a
DATA?
Yes
Step 4-6: VIDEO OUTPUT
IC701(Pin 44)
Is there a
composite
signal?
Yes
CN1002(Pin 22)
Is there a
composite
signal?
Yes
www
Diagnose the INTERFACE or
COMPOSITE_V ASSY.
.
5
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*Only
TD8-15
480p/576p/720p/1080i input
L2
No
Check the parts and patterns in
the path(IC883 to IC701).
No
Replace IC883.
TD16-23 *Only
480p/576p/720p/1080i input
L2
No
Check the parts and patterns in
the path(IC884 to IC701).
No
Replace IC884.
LLC1 *Only 480i/576i input
L2
No
Check the parts and patterns in
the path(IC601 to IC701).
No
Replace IC601.
P12-P19 *Only 480i/576i input
L2
No
Check the parts and patterns in
the path(IC601 to IC701).
No
Replace IC601.
DAC A *Only 480i/576i input
L2
No
Check the IC701.
No
Replace IC701.
CVBS OUT *Only 480i/576i input
A2
No
Check the parts and patterns in
the path(IC701 to IC1002).
No
Replace L771, Q771 or the
peripheries of L771 or Q771.
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2 9
8
IC701(Pin 43)
Is there a
Y signal?
Yes
CN1002(Pin 16)
Is there a
Y signal?
Yes
Diagnose the INTERFACE or
S-VIDEO ASSY.
IC701(Pin 42)
Is there a
C signal?
Yes
Q Q
CN1002(Pin 14)
3 6 7 1 3 1 5
Is there a
C signal?
Yes
Diagnose the INTERFACE or
S-VIDEO ASSY
IC701(Pin 39)
Is there a
Y signal?
Yes
CN1002(Pin 6)
Is there a
Y signal?
Yes
co
Diagnose the INTERFACE or
COMPONENT&VOL ASSY
.
VSX-84TXSi
7
9 4 2 8
DAC B *Only 480i/576i input
L2
No
Check the IC701.
No
Replace IC701.
SY OUT *Only 480i/576i input
A2
No
Check the parts and patterns in
the path(IC701 to CN1002).
No
Replace L781, Q781 or the
peripheries of L781 or Q781.
DAC C *Only 480i/576i input
L2
No
Check the IC701.
No
Replace IC701.
*Only 480i/576i input
SC OUT
0 5 8 2 9 9 4 2 8
A2
No
Check the parts and patterns in
the path(Q701 to CN1002).
No
Replace L791, Q791 or the
peripheries of L791 or Q791.
*Only 480i,576i,480p input
DAC D
L2
No
Check the IC701.
No
Replace IC701.
Y OUT *Only 480i/576i,480p input
A2
No
Check the parts and patterns in
the path(Q701 to CN1002).
Check the peripheries of IC751.
m
No
Replace IC 751.
8
9 9
A
B
C
9 9
D
E
F
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