Pioneer SC-LX90 Service Manual page 309

Audio/video multi-channel amplifier
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5
16
GND
15
HDN
14
SYNC
13
NC
12
FB
11
VC
10
BIAS
9
GND
D4704
RB050L-40
ATH7036
CN4305
51048-0300
D20PYY0305E
CN4710
51048-0300
D20PYY0305E
D4504
RR264M-400
L4501
33u
CTH1255
5
6
D4334
D4335
PTZ3R6(B)
RR264M-400
L4331
ATH7036
68u
V+3HDR
GNDHDR
D4705
PTZ6R8(B)
L4701
IC4332
NJM78M12FA
68u
IN
1
2
V+FAN
J4702
ADX7627
3
2
1
GNDU
AV
1
2
3
IC4713
IN
OUT
NJM79M12FA
AWX8959
FAN-12V ASSY
D4505
PTZ3R6(B)
V+8V
J4502
DISP+8V
1
GNDDISP
2
ADX7598
GNDDISP
6
CN4331
B3B-EH
HDR+3.3V
1
GNDHDR
2
HDR+12V
3
CN4303
51048-0300
D20PYY0305E
CN4332
D20PYY0305E
51048-0300
OUT
3
STBY
AWX8960
HDR12V ASSY
FAN+12V
GNDFAN
FAN-12V
The
the importance of the safety factor of the part.
Therefore,when replacing,be sure to use parts
of identical designation.
FAN-12V ASSY
CAUTION
FOR CONTINUED PROTECTION AGAINST RISK OF FIRE,
REPLACE WITH SAME TYPE AND RATINGS OF FUSE.
CAUTION
FOR CONTINUED PROTECTION AGAINST RISK OF FIRE,
REPLACE ONLY WITH SAME TYPE NO. 491007 FOR IC4702, IC4703
MFD. BY LITTELFUSE INC.
SC-09TX
7
AW
4501
2
1
KN4501
VNE1948
4
3
2
1
KN4701
VNE1948
4
3
NOTES
mark found on some component parts indicates
7
8
A
DD DISP ASSY
B
C
MBA:CQMBA
D
E
F
AV
AW
163
8

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