Pioneer SC-37 Service Manual page 45

5
QQ
2ch DSD 2ch DSD
3 7 63 1515 0
IC908 (Pins 6,8) IC908 (Pins 6,8)
Are there Are there
signals? signals?
Yes Yes
IC908 (Pins 12,14) IC908 (Pins 12,14)
Are there Are there
signals? signals?
Yes Yes
IC1811 (Pin 11) IC1811 (Pin 11)
IC1815 (Pin 5) IC1815 (Pin 5)
Are there Are there
signals? signals?
Yes Yes Yes Yes
IC1811 (Pin 12) IC1811 (Pin 12)
IC1815 (Pin 6) IC1815 (Pin 6)
TE
L 13942296513
Are there Are there
signals? signals?
Yes Yes Yes Yes
IC9003 (Pins 97,98) IC9003 (Pins 97,98)
Are there Are there
signals? signals?
Yes Yes
To Step 1-10 To Step 1-10
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RXSD0,RXWS RXSD0,RXWS
No No
Not described Not described
HFDT/DSDFL,HDLRCK/DSDFR HFDT/DSDFL,HDLRCK/DSDFR
No No
Check the IC908 and its peripheral Check the IC908 and its peripheral
circuits. circuits.
HFDT/DSDFL,HDLRCK/DSDFR HFDT/DSDFL,HDLRCK/DSDFR
No No
Check the patterns between Check the patterns between
IC1811 (Pin 11), IC1811 (Pin 11),
IC1815 (Pin 5) and IC908 (Pins 12,14). IC1815 (Pin 5) and IC908 (Pins 12,14).
FDTI/DSDFL,SDTI/DSDFR FDTI/DSDFL,SDTI/DSDFR
No No
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 FDTI/DSDFL,SDTI/DSDFR
No Check the patterns between No Check the patterns between
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).
* 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.
x ao
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BASIC AUDIO (2ch LPCM fs = 44.1 kHz,48 kHz) BASIC AUDIO (2ch LPCM fs = 44.1 kHz,48 kHz)
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Diagnose SPDIF or 2ch I2S and make following diagnoses after Diagnose SPDIF or 2ch I2S and make following diagnoses after
the Step1-6 the Step1-6
IC9016 (Pins 2,5,10,13) IC9016 (Pins 2,5,10,13)
Are there Are there
signals? signals?
IC9016 (Pins 3,6,8,11) IC9016 (Pins 3,6,8,11)
Are there Are there
signals? signals?
IC1604 (Pins 3,6,10,13) IC1604 (Pins 3,6,10,13)
Are there Are there
signals? signals?
Q Q
3 6 7 1 3
IC1604 (Pins 4,7,9,12) IC1604 (Pins 4,7,9,12)
Are there Are there
signals? signals?
Not described Not described
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SC-37
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2 9 9 4 2 8
F F or later. or later.
F F
D2BCKO,D2LRCKO,D2FDTO(MCLK) D2BCKO,D2LRCKO,D2FDTO(MCLK)
No No
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
Yes Yes Yes Yes
IC9016 (Pin 10) and IC9013 (Pin 3). IC9016 (Pin 10) and IC9013 (Pin 3).
BAMCLK,BBCK,BLRCK,BFADT BAMCLK,BBCK,BLRCK,BFADT
No Check the IC9016 and its No Check the IC9016 and its
peripheral circuits. peripheral circuits.
(BAUDIO signal: High) (BAUDIO signal: High)
Yes Yes
BAMCLK,BBCK,BLRCK,BFADT BAMCLK,BBCK,BLRCK,BFADT
No Check the patterns between No Check the patterns between
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).
Yes Yes
1 5 0 5 8 2 9 9 4
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)
Yes Yes
m
co
7
8
9 9
A
B
C
2 8 9 9
D
E
F
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