Pioneer SC-37 Service Manual page 41

5
QQ
A
3 7 63 1515 0
IC1811 (Pins 2,5,11,14)
Are there
signals?
Yes
IC1811 (Pins 4,7,9,12)
Are there
signals?
Yes
Listening Mode: Other Pure Direct
IC9009 (Pin 1)
IC9003 (Pins 93,94,97)
TE
L 13942296513
Are there
signals?
Yes Yes
IC9009 (Pin 7)
Is there
a signal?
Yes
IC9010 (Pin 2)
Is there
a signal?
Yes
IC9010 (Pin 5)
Is there
a signal?
www
Yes
B
.
5
http://www.xiaoyu163.com
6
No
Check the patterns between
IC1811 (Pins 2,5,11,14) and
IC1810 (Pins 4,7,9,12).
D
D1MCLK,D1BCK,D1LRCK,
FDTI/DSDFL
No
Check the IC1811 and its
peripheral circuits.
(HDI2S signal: Low)
B I
D1MCLK,D1BCK,D1LRCK,
FDTI/DSDFL
No
Check the patterns between
IC9009 (Pin 1),
IC9003 (Pins 93,94,97) and IC1811.
No
Check the IC9009,IC9003 and its
peripheral circuits.
No
Check the patterns between
IC9010 (Pin 7) and IC9009.
No
Check the IC9010 and its
peripheral circuits.
x ao u163
y
i
6
http://www.xiaoyu163.com
7
2 9
8
Listening Mode: Pure Direct
: 2 CH PCM Direct
IC9015 (Pins 6,10,13)
Q Q
3 6 7 1 3 1 5
Are there
signals?
Yes
IC9015 (Pins 7,9,12)
IC9013 (Pin 8)
Are there
signals?
Yes
A
co
.
SC-37
7
8
9 4 2 8
D1BCK,D1LRCK,FDTI/DSDFL
0 5 8 2 9 9 4 2 8
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)
m
8
9 9
A
B
C
9 9
D
E
F
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