Pioneer SX-LX70SW Service Manual page 25

5
D
MCLKO
CN1001 (Pin 15)
A1
Check the parts and patterns in
No
Is there a
the path (IC201 - CN1001).
CLK?
Check the soldering of IC201,
L207, Control Signal.
Yes
WS.SCK
IC201 (Pins 7,8)
J3
Check the parts and patterns in
No
Is there a
the path (IC101 - IC201).
CLK?
Yes
IC201(Pins 3,4,5,6) SD0-3
J3
No
Is there a Check the parts and patterns in
DATA?
the path (IC101 - IC201).
Yes
BCKO,LRCKO
CN1001
(Pins 12,13)
A1
Check the parts and patterns in
No
Is there a
the path (IC201 - CN1001).
CLK?
Check the soldering of IC201,
L207, Control Signal.
Yes
SD0-3O
CN1001
(Pins 8-11)
A1
Check the parts and patterns in
No
Is there a the path (IC201 - CN1001).
DATA?
Check the soldering of IC201,
L207, Control Signal.
Yes
HDMUTE
CN1001(Pin 17)
A1
No
Check the parts and patterns in
Is the voltage
"L" (0 V)?
the path (IC501 - CN1001).
Yes
DSP Troubleshooting
5
6
No
Replace IC201.
No
Replace IC101.
No
Replace IC101.
No
Replace IC201.
No
Replace IC201.
No
Replace IC501.
SX-LX70SW
6
7
7
8
A
B
C
D
E
F
25
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