1
2
3
4
C
D
F
A
B
E
54
1
2
3
4
VSX-84TXSi
Yes
E
Yes
IC901(Pin 66)
TDCK
D2
Is there a
CLK?
No
Check the parts and patterns in
the path (IC881 to IC901).
No
Replace IC881.
Yes
IC901
(Pin 68-70,75-79)
TD0-TD7
D2
Is there a
DATA?
No
Check the parts and patterns in
the path (IC882 to IC901).
No
Replace IC882.
Yes
IC901
(Pin 57,58,61-67)
TD8-TD15
D2
Is there a
DATA?
No
Check the parts and patterns in
the path (IC883 to IC901).
No
Replace IC883.
IC901(Pin 49-56)
TD16-TD23
D2
Is there a
DATA?
No
Check the parts and patterns in
the path (IC884 to IC901).
No
Replace IC884.
Yes
Step 3-8: TMDS(OUTPUT)
JA901(Pin 1,3,4,6,
TMDS(HDMI OUT)
Check the parts and patterns in
the path (IC901 to JA901).
No
J1
Is there a
DATA?
No
Check the parts and patterns in
the path (IC801 to IC464).
No
Replace IC801.
(DVD Dolby Digital)
CN1001(Pin 6)
SPDIFO
J2
Is there a
DATA?
No
Check the parts and patterns in
the path (IC464 to CN1001).
Check the soldering of IC464,
L462, Control Signal.
No
Replace IC464.
Yes
IC465(Pin 2,3,4)
HMCLK,HSCK,HWS
J3
Is there a
CLK?
No
Check the parts and patterns in
the path (IC801 to IC465).
No
Replace IC801.
(DVD-A/Multi ch)
Yes
IC465(Pin 5,6,7,8)
HSD0-3
J3
Is there a
DATA?
No
Check the parts and patterns in
the path (IC801 to IC465).
No
Replace IC801.
Yes
CN1001
(Pin 12,13,15)
MCKO,BCKO,LRCKO
A1
Is there a
CLK?
No
Check the parts and patterns in
the path (IC465 to CN1001).
Check the soldering of IC465,
L462, Control Signal.
No
Replace IC465.
Yes
CN1001
(Pin '8-11)
SD0-3O
A1
Is there a
DATA?
No
Check the parts and patterns in
the path (IC465 to CN1001).
Check the soldering of IC465,
L462, Control Signal.
No
Replace IC465.
Yes
CN1001(Pin 17)
MUTEOUT
A1
Is the voltage
"L" (0 V)?
Diagnose the INTERFACE ASSY or
DIGITAL MOTHER ASSY or DSP ASSY.
No
Check the parts and patterns in
the path (IC501 to CN1001).
No
Replace IC501.
(DVD-A/Multi ch)
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