Pioneer VSX-84TXSi Service Manual page 54

1
QQ
3 7 63 1515 0
E
A
IC901(Pin 66)
No
Is there a
CLK?
Yes
IC901
(Pin 68-70,75-79)
B
No
Is there a
DATA?
Yes
IC901
(Pin 57,58,61-67)
No
Is there a
C
DATA?
Yes
IC901(Pin 49-56)
TE
L 13942296513
No
Is there a
DATA?
Yes
D
Step 3-8: TMDS(OUTPUT)
JA901(Pin 1,3,4,6,
7,9,10,12)
Do signals
(approx. 0.5 Vp-p)
run in all the
lines?
Yes
E
Step 3-9: AUDIO CLK,DATA
IC464(Pin 9)
No
Is there a
www
DATA?
F
54
1
http://www.xiaoyu163.com
2
TDCK
D2
Check the parts and patterns in
the path (IC881 to IC901).
No
Replace IC881.
TD0-TD7
D2
Check the parts and patterns in
the path (IC882 to IC901).
No
Replace IC882.
TD8-TD15
D2
Check the parts and patterns in
the path (IC883 to IC901).
No
Replace IC883.
TD16-TD23
D2
Check the parts and patterns in
the path (IC884 to IC901).
No
Replace IC884.
TMDS(HDMI OUT)
E9
No
Check the parts and patterns in
the path (IC901 to JA901).
No
Replace IC901.
HSPDIF (DVD Dolby Digital)
J1
Check the parts and patterns in
the path (IC801 to IC464).
x ao
No
y
Replace IC801.
. i
VSX-84TXSi
2
http://www.xiaoyu163.com
3
8
Yes
CN1001(Pin 6)
Is there a
DATA?
Yes
IC465(Pin 2,3,4)
Is there a
CLK?
Yes
IC465(Pin 5,6,7,8)
Is there a
DATA?
Yes
CN1001
(Pin 12,13,15)
Q Q
3 6 7 1 3
Is there a
CLK?
Yes
CN1001
(Pin '8-11)
Is there a
DATA?
Yes
CN1001(Pin 17)
Is the voltage
"L" (0 V)?
Diagnose the INTERFACE ASSY or
DIGITAL MOTHER ASSY or DSP ASSY.
u163
.
3
4
2 9 9 4 2 8
SPDIFO
J2
No
Check the parts and patterns in
the path (IC464 to CN1001).
Check the soldering of IC464,
L462, Control Signal.
No
Replace IC464.
HMCLK,HSCK,HWS (DVD-A/Multi ch)
J3
No
Check the parts and patterns in
the path (IC801 to IC465).
No
Replace IC801.
HSD0-3 (DVD-A/Multi ch)
J3
No
Check the parts and patterns in
the path (IC801 to IC465).
No
Replace IC801.
MCKO,BCKO,LRCKO
A1
1 5 0 5 8 2 9 9 4
Check the parts and patterns in
No
the path (IC465 to CN1001).
Check the soldering of IC465,
L462, Control Signal.
No
Replace IC465.
SD0-3O
A1
Check the parts and patterns in
No
the path (IC465 to CN1001).
Check the soldering of IC465,
L462, Control Signal.
No
Replace IC465.
MUTEOUT
A1
No
Check the parts and patterns in
the path (IC501 to CN1001).
No
Replace IC501.
m
co
4
9 9
2 8 9 9