Pioneer VSX-LX53 Service Manual page 33

5
QQ
3 7 63 1515 0
B
IC9018 (Pin 2)
Is there
a signal?
Yes
IC9018 (Pins 5,6)
Are there
signals?
Yes
IC9019 (Pin 2)
IC9018 (Pin 3)
Are there
signals?
Yes
IC9019 (Pin 4)
IC9013 (Pin 13)
TE
L 13942296513
Are there
signals?
Yes
IC9003 (Pins 89,134)
IC9013 (Pin 11)
Are there
signals?
Yes
IC9013 (Pin 5)
Is there
a signal?
Yes
(*A)
IC9013 (Pin 6)
IC9003
(Pins 90,91,125,135,136)
www
Are there
signals?
.
Yes
5
http://www.xiaoyu163.com
6
No
Check the patterns between
IC9018 (Pin 2) and IC9010 (Pin 5).
No
Check the IC9018 and its
peripheral circuits.
No
Check the patterns between
IC9018 (Pin 6) and IC9019 (Pin 2).
No Check the IC9019 and its
peripheral circuits.
Check the patterns between
IC9013 (Pin 13) and IC9018 (Pin 3).
No
Check the patterns between
IC9019 (Pin 4) and IC9003 (Pins 89,
134). Check the IC9013 and its
periphera circuits.
No Check the IC9013 and its
peripheral circuits.
D2MCK,D2BCKI,D2LRCKI,
D2FDTI
No
Check the IC9013,IC9003 and its
x ao u163
y
peripheral circuits.
i
6
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7
2 9
8
A
IC9015 (Pins 6,10,13)
Are there
signals?
Yes
IC9015 (Pins 7,9,12)
IC9013 (Pin 8)
Are there
signals?
Yes
IC9015 (Pins 5,11,14)
Are there
signals?
Q Q
3 6 7 1 3 1 5
Yes
IC9013 (Pin 8)
IC9015 (Pins 7,9,12)
Are there
signals?
Yes
CN9302 (Pins 4,7,8,10)
Are there
signals?
Yes
To Step 1-2
co
.
VSX-LX53
7
8
9 4 2 8
D1BCK,D1LRCK,FDTI/DSDFL
No
Check the patterns between
IC9015 (Pins 6,10,13) and
IC1811 (Pins 7,9,12).
FBCK,FLRCK,
FADA,DAMCK
No
Check the IC9015,IC9013 and its
peripheral circuits.
(DSPPASS signal: High)
D2BCKO,D2LRCKO,D2FDTO
No
Check the patterns between
IC9015 (Pins 5,11,14) and
IC9202 (Pins 133,142,144).
F
0 5 8 2 9 9 4 2 8
DAMCK,FBCK,FLRCK,
FADA
No
Check the IC9013,IC9015 and
its peripheral circuits.
(DSPPASS Signal= Low)
DAMCK,FBCK,FLRCK,
FADA
No
Check the signals between
CN9302 (Pins 4,7,8,10) and
IC9013 (Pin 8),IC9015 (Pins 7,9,12).
m
8
9 9
A
B
C
9 9
D
E
F
33