Block Diagram; Overall Wiring Diagram (1/2) - Pioneer SC-LX90 Service Manual

1

4. BLOCK DIAGRAM

4.1 OVERALL WIRING DIAGRAM (1/2)

A
ICE REG ASSY
AP
(AWX8751)
FU11, FU12
: REK1146 (2.5 A/125 V)
FU11
5
5
B
AQ
ICE 5
ASSY
(AWX8968) (AWX8969)
ADX7620-
W
ADD7587-
24/340
CN8304
J1901
MOTHER 1 ASSY
C V
CN8009
(AWX8770)
D
DSP ASSY
(AWX8868)
E
S
MAIN DIGITAL
DAC ASSY
(AWX8723)
(AWX8721)
F
20
1
2
3
CN4801
FU12
5
MAIN TRANS
(ANALOG)
T1501
5
: ATS7411
AR
ICE 12
ASSY
4 6 3
AU
ICE INTERFACE
ASSY
(AWX8779)
(AWX8958)
19
19
DSP DIODE
CN307
MAIN
uCOM
4
ADX7591-
CN4101
ADX7559-
ADX7584-
CN302
26
CN402
TUNER UNIT
Q
(AXX7250)
CN401
26
CN301
O
ASSY
CN8012
5
CN11 CN804
(NONUSE)
CN1001
7
2
3
2 2 3 (2) (STBY)
MAIN TRANS
(DIGITAL)
4
J4351A J4351B
ADX7608- 4
CN4301
HN DIODE
AS
ASSY
CN4302
DD DSP ASSY
(AWX8748)
FU4301
AT
J4301A
: REK1148 (3.15 A/125 V)
ADX7609-
J4301B
ASSY FU4351
: REK1146 (2.5 A/125 V)
(AWX8956)
ADX7592-
ADX7546-
FU6
6
: REK1145 (2 A)
CN4105
CN4103
5
CN4104
2
5
CN3412
CN3413
13
13
CN7002
J1939
ADX7625-
CN3434
FM/AM
17
CN7006
17
ADD7634-
CN3512
11/95
J1921
CN7801 J1938 ADX7561-
5
CN7901
PREOUT
ADD7607-
4
11/180
J1922 NEW
(AWX8738)
ITEM
uCOM
J1920
20/140
ADD7564-
FAN (FOR HDMI)
1943 AXM7035-
SC-09TX
3
4
D20PYY0305E
2 3
CN4501 CN4702
5
CN4701
(STBY)
AW
ADX7627-
T1502
DD DISP ASSY
: ATS7414
(AWX8784)
2 FU4501
ADX7598-
: REK1144 (1.6 A/125 V)
2
CN4601
CN4604
CN4606
AZ
2CH DD ASSY
(AWX8961)
CN4607
CN4605 J4601B J4601A
ADX7610-
FU4601
: REK1151
(6 A/125 V)
BA
A-REG ASSY (AWX8761)
FU7, FU8 : REK1146 (2.5 A/125 V)
FU9, FU10 : REK1144 (1.6 A/125 V)
C
AUDIO BRIDGE 1 ASSY (AWX8764)
AUDIO BRIDGE 4
F D
ASSY (AWX8766)
CN3432 CN3433 CN3431
17 17 17
17 17 17
CN3511
CN3905 CN3904
U
ASSY
I
VOLUME
ASSY
(AWX8737)
AE
HDMI ASSY (AWQ7038)
(OVERALL WIRING DIAGRAM 2/2)
TO ICE INPUT 4CH,6CH ASSY
4
AN
AV
VOL
J
FAN-12V
ENCODER
ASSY
ASSY
(AWX8959)
(AWX8754)
J
FRONT USB
ADD7562-
ASSY
J1916
(AWX8781)
7/120
5 J5291
I
AG
ADX7617-
BB
DA DIODE ASS
(AWX8965)
FU7
4
ADX7611
CN4121
FU8
FU9
FU10
CN3411
19
19
CN3006
AUDIO BRIDGE 2
ASSY (AWX8765)
CN3422 CN3421
20
20
20
20
CN3010
CN3204
G
REC S
ASS
(AWX8
A
A-AUDIO
ASSY
(AWX8745)