Pioneer SC-37 Service Manual page 48

1
QQ
Step 1-12: INTERNET RADIO 3 7 63 1515 0
JA9501 (Pins 1,2,3,6)
A
Are there No
signals?
Yes
IC9506
(Pins 44,45,47,48)
No Check the patterns between
Are there
B signals?
Yes
IC9506 (Data pin)
No Check IC9506 and its peripheral
Are there
signals?
Yes
K
C
To Step 1-13
TE
L 13942296513
Step 1-13: ADAPTOR PORT (BLUETOOTH)
JA9301 (Pins 14,16)
No Check the soldering of JA9301,
Are there
signals?
D
Yes
CN9301 (Pins 1,3)
Are there No Check the patterns between
signals?
Yes Yes
Diagnose the
D-DAC BRIDGE Assy
E
www
F
48
1
http://www.xiaoyu163.com
2
Check the source equipment.
IC9506 (Pins 44, 45, 47, 48) and
JA9501 (Pins 1, 2, 3, 6)
(L9513, 9514 are included)
HDATA 0-15
circuits. Check whether there are
signals such as XRDGA, XWRGA
and XCSLAN.
SC-35,SC-LX73 only
Check the BT ADAPTOR.
BTLO,BTRO
CN9301 (Pins 1,3) and
JA9301 (Pins 14,16).
x ao
y
. i
2
http://www.xiaoyu163.com
3
Step 1-14: ZONE (XM RADIO,USB/iPod,H.M.G)
8
* The sound should be properly output in MAIN room.
XM RADIO
IC1809 (Pins 2,5,11,14)
Are there
signals?
Yes
IC1809 (Pins 4,7,9,12)
Are there
signals?
Yes
IC1814 (Pins 2,5,11,14)
Are there
signals?
Yes
IC1814 (Pins 4,7,9,12)
Q Q
3 6 7 1 3
Are there
signals?
Yes
CN9302
(Pins 13,15,16,17)
Are there
signals?
Yes Yes
Diagnose the DAC Assy.
u163
.
SC-37
3
4
2 9 9 4 2 8
DIRLRCK,DIRBCK
No
To Step 1-8 XM RADIO.
No
Check the IC1809 and its
peripheral circuits.
(ZXM signal: Low)
No
Check the patterns between
IC1814 (Pins 2,5,11,14) and
IC1809 (Pins 4,7,9,12).
ZMCLK,ZBCK,ZLRCK,ZFADA
1 5 0 5 8 2 9 9 4
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).
SC-37,SC-35 only
m
co
4
9 9
2 8 9 9