Pioneer VSX-84TXSi Service Manual page 53

5
QQ
3 7 63 1515 0
D
Yes
JA901 (Pin 15)
Does
a clock output in
constant period
(0 to 5 V)
?
Yes
IC901(Pin 19)
Is there
a same signal as G13
(0 to 3.3 V)?
Yes
IC901(Pin 20)
Is there
a same signal as G14
(0 to 3.3 V)?
Yes
Step 3-6: TMDS(INPUT)
TE
L 13942296513
IC1101 (Pin 27,28,
30,31,33,34,39,40)
Do signals
(approx. 0.5 Vp-p)
run in all the
lines?
Yes
IC1102 (Pin 3,4,
6,7,9,10,45,46)
Do signals
(approx. 0.5 Vp-p)
run in all the
lines?
Yes
IC801 (Pin 39,40,
43,44,47,48,51,52) TMDS(Rx0)
Do signals
(approx. 0.5 Vp-p)
run in all the
lines?
www
Yes
IC1151 (Pin 27,28,
.
30,31,33,34,39,40)
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6
SCL(HDMI OUT)
G14
No
Check the patterns in the path.
Check JA901.
No
Replace JA901.
DSDA
D2
No
Check the patterns in the path.
Check Q953.
No
Replace Q953.
DSCL
D2
No
Check the patterns in the path.
Check Q953.
No
Replace Q953.
* When connected the source
equipment to IN1.
TMDS(HDMI IN1)
H1
No
Check the soldering of JA1101.
No
Replace JA1101.
* When connected the source
equipment to IN2.
TMDS(HDMI IN2)
H1
No
Check the soldering of JA1102.
No
Replace JA1102.
* When connected the source
equipment to IN1,2.
D1
No
Check the soldering of IC1101.
No
Replace IC1101.
x ao u163
* When connected the source y
equipment to IN3.
i
TMDS(HDMI IN3)
H2
6
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2 9
8
Do signals
(approx. 0.5 Vp-p)
run in all the
lines?
Yes
IC1152 (Pin 3,4,6,
7,9,10,45,46)
Do signals
(approx. 0.5 Vp-p)
run in all the
lines?
Yes
IC801 (Pin 58,59,
62,63,66,67,70,71)
Do signals
(approx. 0.5 Vp-p)
run in all the
lines?
Yes
Step 3-7: VIDEO CLK,DATA
IC881(Pin 6)
Q Q
3 6 7 1 3 1 5
Is there a
CLK?
Yes
IC882(Pin 2-9)
Is there a
DATA?
Yes
IC883(Pin 2-9)
Is there a
DATA?
Yes
IC884(Pin 2-9)
Is there a
DATA?
co
.
Yes
E
VSX-84TXSi
7
9 4 2 8
No
Check the soldering of JA1151.
No
Replace JA1151.
* When connected the source
equipment to IN4.
TMDS(HDMI IN4)
H2
No
Check the soldering of JA1152.
No
Replace JA1152.
* When connected the source
equipment to IN3,4.
TMDS(Rx1)
D1
No
Check the soldering of IC1151.
No
Replace IC1151.
RDCK
0 5 8 2 9 9 4 2 8
I1
No
Check the parts and patterns in
the path (IC801 to IC881).
No
Replace IC801.
RD0-RD7
I2
No
Check the parts and patterns in
the path (IC801 to IC882).
No
Replace IC801.
RD8-RD15
I3
No
Check the parts and patterns in
the path (IC801 to IC883).
No
Replace IC801.
RD16-RD23
I4
m
No
Check the parts and patterns in
the path (IC801 to IC884).
No
Replace IC801.
8
9 9
A
B
C
9 9
D
E
F
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