Pioneer VSX-LX53 Service Manual page 39

5
QQ
3 7 63 1515 0
USB/iPod
IC1809 (Pins 3,6,10,13)
Are there
signals?
Yes
IC1809 (Pins 4,7,9,12)
Are there
signals?
Yes
IC1814 (Pins 2,5,11,14)
Are there
signals?
Yes
TE
L 13942296513
Cannot be
distinguished
www
.
5
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6
No
To Step 1-8 USB/ iPod
No
Check the patterns between
IC1809 (Pins 3,6,10,13) and IC101.
No
Check the IC1809 and its
peripheral circuits.
(ZXM signal: High)
No
Check the patterns between
IC1814 (Pins 2,5,11,14)
and IC1809 (Pins 4,7,9,12).
Condition of SPDIF or I2S output selection (HDMI transmission)
PCM
Compression. DVD-V
Compression. * .WAV
dts-CD
PCM
DVD-V
LPCM
DVD-A
SACD
x ao u163
y
dts HD Master Audio
i dts HD High Resolution Audio
dts HD LBR
Dolby TrueHD
Dolby Digital Plus
6
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2 9
8
IC1814 (Pins 4,7,9,12)
Are there
signals?
Yes
CN9302
(Pins 13,15,16,17)
Are there
signals?
Yes Yes
Diagnose the
DAC Assy
Q Q
3 6 7 1 3 1 5
fs(kHz) Layout SPDIF
o
48 2ch
o
44 2ch
o
48 2ch
o
44 2ch
o
44 2ch
o
48 2ch
×
96 2ch
o
44 2ch
×
Multi
o
48 2ch
×
Multi
×
88 2ch
×
Multi
×
96 2ch
×
Multi
×
176 2ch
-
Multi
×
192 2ch
-
Multi
×
2ch
×
Multi
co
×
o
.
o
×
o
VSX-LX53
7
8
9 4 2 8
ZMCLK,ZBCK,ZLRCK,ZFADA
No
Check the IC1814 and its
peripheral circuits.
(Z2NET signal: Low)
ZMCLK,ZBCK,ZLRCK,ZFADA
No Check the patterns between
CN9302 (Pins 13,15,16,17) and
IC1814 (Pins 4,7,9,12).
0 5 8 2 9 9 4 2 8
I2S(3Line)
×
×
×
×
×
×
o
o
o
o
o
o
o
o
o
o
-
o
-
(DSD) (DSD)
o
m
(DSD)
o
o
×
×
o
×
8
9 9
A
B
C
9 9
D
E
F
39