Pioneer VSX-84TXSi Service Manual page 56

1
QQ
3 7 63 1515 0
F
A
IC701(Pin 33)
s the voltage
"H"(3.3V)?
Yes
IC601(Pin 38)
Is there CLK
B
(28.63636 MHz)
?
Yes
Step 4-4: I2C
R634
Does
a signal output in
constant period
(0 to 5 V)
?
C
Yes
R635
Does
TE
L 13942296513
a clock output in
constant period
(0 to 5 V)
?
Yes
Step 4-5: VIDEO CLK,DATA
D
IC1381(Pin 6)
Is there a
CLK?
Yes
IC1383(Pin 2-9)
Is there a
E
DATA?
Yes
IC1382(Pin 2-9)
www
Is there a
DATA?
F
56
1
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2
XVCRST(ENC)
L2
No
Check the parts and patterns in
the path(IC501 to IC701).
No
Replace IC501.
XTAL1
L1
No
Check the X601 or IC602.
No
Replace X601 or IC602.
VCSDA
M1
No
Check the parts and patterns in
the path(IC501 to IC601,701).
No
Replace IC501, IC601 or IC701.
VCSCL
M2
No
Check the parts and patterns in
the path(IC501 to IC601,701).
No
Replace IC501, IC601 or IC701.
LLC1
N1
No
Check the parts and patterns in
the path(IC601 to IC1381).
No
Replace IC601.
P12-P19
N2
No
Check the parts and patterns in
the path(IC601 to IC1381).
No
Replace IC601.
P2-9 *Only
480p/576p/720p/1080i input
N3
No
Check the parts and patterns in
x the path(IC601 to IC1382). ao
No
. i
Replace IC601.
2
http://www.xiaoyu163.com
3
Yes
IC881(Pin 6)
Is there a
CLK?
Yes
IC883(Pin 2-9)
Is there a
DATA?
Yes
IC884(Pin 2-9)
Is there a
DATA?
Yes
IC901(Pin 66)
Is there a
CLK?
Q Q
3 6 7
Yes
IC901(Pin 57,58,
61-67)
Is there a
DATA?
Yes
IC901(Pin 49-56)
Is there a
DATA?
Yes
IC701(Pin 63)
Is there a
CLK?
Yes
G
u163
y
VSX-84TXSi
3
4
2 9 9 4
8
RDCK
I1
No
Check the parts and patterns in
the path(IC1381 to IC881).
Replace IC1381.
RD8-15
I3
No
Check the parts and patterns in
the path(IC1383 to IC883).
Replace IC1383.
RD16-23
*Only
I4
480p/576p/720p/1080i input
No
Check the parts and patterns in
the path(IC1382 to IC884).
Replace IC1382.
TDCK
D2
No
Check the parts and patterns in
the path(IC881 to IC901).
1 3 1 5 0 5 8 2 9
Replace IC881.
TD8-15
D2
No
Check the parts and patterns in
the path(IC883 to IC901).
Replace IC883.
TD16-23 *Only
480p/576p/720p/1080i input
D2
No
Check the parts and patterns in
the path(IC884 to IC901).
Replace IC884.
TDCK *Only
480p/576p/720p/1080i input
L2
No
Check the parts and patterns in
the path(IC881 to IC701).
Replace IC881.
m
co
.
4
2 8
9 9
No
No
No
9 4 2 8 9 9
No
No
No
No