Pioneer VSX-LX53 Service Manual page 36

1
QQ
3 7 63 1515 0
D D
A
IC1811 (Pin 12) IC1811 (Pin 12) FDTI/DSDFL,SDTI/DSDFR
IC1815 (Pin 6) IC1815 (Pin 6)
No No
Are there Are there
signals? signals?
Yes Yes Yes Yes
B
IC9003 (Pins 97,98) IC9003 (Pins 97,98) FDTI/DSDFL,SDTI/DSDFR
Are there Are there No Check the patterns between No Check the patterns between
signals? signals?
* In case of Multich, diagnose the center, * In case of Multich, diagnose the center,
surround and surround back in addition to surround and surround back in addition to
front. front.
C
BASIC AUDIO (2ch LPCM fs = 44.1 kHz,48 kHz) BASIC AUDIO (2ch LPCM fs = 44.1 kHz,48 kHz)
Diagnose SPDIF or 2ch I2S and make following diagnoses after Diagnose SPDIF or 2ch I2S and make following diagnoses after
the Step1-4 the Step1-4 or later. or later.
F F
TE
L 13942296513
F F
IC9016 (Pins 2,5,10,13) IC9016 (Pins 2,5,10,13) D2BCKO,D2LRCKO,D2FDTO(MCLK)
D
No No
Are there Are there
signals? signals?
Yes Yes Yes Yes
IC9016 (Pins 3,6,8,11) IC9016 (Pins 3,6,8,11) BAMCLK,BBCK,BLRCK,BFADT
No Check the IC9016 and its No Check the IC9016 and its
Are there Are there
signals? signals?
E
Yes Yes
IC1604 (Pins 3,6,10,13) IC1604 (Pins 3,6,10,13) BAMCLK,BBCK,BLRCK,BFADT
No Check the patterns between No Check the patterns between
Are there Are there
signals? signals?
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Yes Yes Yes Yes
F
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2
FDTI/DSDFL,SDTI/DSDFR
Check the IC1811 and its Check the IC1811 and its
peripheral circuits. peripheral circuits.
(HDI2S signal: High) (HDI2S signal: High)
Check the IC1815 and its Check the IC1815 and its
peripheral circuits. peripheral circuits.
(XDSDSW signal: Low) (XDSDSW signal: Low)
FDTI/DSDFL,SDTI/DSDFR
IC9003 (Pin 97) and IC1811 (Pin 12). IC9003 (Pin 97) and IC1811 (Pin 12).
Check the patterns between Check the patterns between
IC9003 (Pin 98) and IC1815 (Pin 6). IC9003 (Pin 98) and IC1815 (Pin 6).
D2BCKO,D2LRCKO,D2FDTO(MCLK)
Check the patterns between Check the patterns between
IC9016 (Pins 2,5,13) and IC9016 (Pins 2,5,13) and
IC9202 (Pins 112,141,143). IC9202 (Pins 112,141,143).
Check the patterns between Check the patterns between
IC9016 (Pin 10) and IC9013 (Pin 3). IC9016 (Pin 10) and IC9013 (Pin 3).
BAMCLK,BBCK,BLRCK,BFADT
peripheral circuits. peripheral circuits.
(BAUDIO signal: High) (BAUDIO signal: High)
BAMCLK,BBCK,BLRCK,BFADT
IC1604 (Pins 3,6,10,13) and IC1604 (Pins 3,6,10,13) and
IC9016 (Pins 3,6,8,11). IC9016 (Pins 3,6,8,11).
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2
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3
8
IC1604 (Pins 4,7,9,12) IC1604 (Pins 4,7,9,12)
Are there Are there
signals? signals?
Yes Yes
Not described Not described
ARC ARC ASC : Audio Return Channel ASC : Audio Return Channel
This is one of HDMI ver1.4a functions. This is one of HDMI ver1.4a functions.
Refer to IM "TV Audio setting" of "Control with Refer to IM "TV Audio setting" of "Control with
HDMI function " HDMI function "
JA1601 (Pin 14) JA1601 (Pin 14)
Is there Is there
a signal? a signal?
Yes Yes
IC1804 (Pin 1) IC1804 (Pin 1)
Is there Is there
Q Q
a signal? a signal?
3 6 7 1 3
Yes Yes
IC1804 (Pin 2) IC1804 (Pin 2)
Is there Is there
a signal? a signal?
Yes Yes
IC1805 (Pin 9) IC1805 (Pin 9)
Is there Is there
a signal? a signal?
Yes Yes
IC1805 (Pin 8) IC1805 (Pin 8)
Is there Is there
a signal? a signal?
Yes Yes
G G
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.
VSX-LX53
3
4
2 9 9 4 2 8
TXMCK,TXSCK,TXWS,TXSD0 TXMCK,TXSCK,TXWS,TXSD0
No Check the IC1604 and its No Check the IC1604 and its
peripheral circuits. peripheral circuits.
(XBAOUT signal: Low) (XBAOUT signal: Low)
ARCSPDIF ARCSPDIF
No No
Check the SINK equipment Check the SINK equipment
(TV etc.). (TV etc.).
ARCSPDIF ARCSPDIF
No No
Check the patterns between Check the patterns between
1 5 IC1804 (Pin 1) and JA1601 (Pin 14). IC1804 (Pin 1) and JA1601 (Pin 14). 0 5 8 2 9 9 4
No No
Check the IC1804 and its Check the IC1804 and its
peripheral circuits. peripheral circuits.
No No
Check the patterns between Check the patterns between
IC1805 (Pin 9) and IC1804 (Pin 9). IC1805 (Pin 9) and IC1804 (Pin 9).
No No
Check the IC1805 and its Check the IC1805 and its
peripheral circuits. peripheral circuits.
(XHARC signal: Low) (XHARC signal: Low)
m
co
4
9 9
2 8 9 9