Pioneer SC-LX81 Service Manual

152
SC-LX81
1
2 3 4
A
B
C
D
E
F
1
2 3 4
10.30 B DIODE, DCDC, and HDMI RECT ASSYS
AA
HDMI RECT ASSY
(AWX9156)
AA
X Z
AA
X Z
B DIODE ASSY
(AWX9171)
X
DCDC ASSY
(AWX9138)
Z
! !
!
B3P-VH
CN7400
1
2
3
R7400
82k
(1/4W)
R7401
82k
(1/4W)
ACH7270-A
C7400
ACH7270-A
C7401
C7402
0.1u/100
CFTLA
C7403
0.1u/100
CFTLA
R7402
10
MUF
ADX7649-A
JP7401
1
+BB
2
GN D
3
-BB
D7401
LN 6SB60-4003
1
2
4
3
D7400
LN 6SB60-4003
1
2
4
3
3216
3216
BREG
BREG_G
BREG
10000u/80V
10000u/80V
+70V
-70V
The mark found on some component parts should be replaced
with same parts(safety regulation authorized) of identical
designation.
1. RESISTORS
Unit: k-kΩ, M-MΩ or Ω unless
otherwise noted.
Rated Power: 1/16w unless
otherwise noted.
Toleranee: (J)5% unless
otherwise noted.
MUF : RD1/4MUF
2. CAPACITORS
Unit: p-pF or u-uF unless
otherwise noted.
Ratings: Capacity(F)/Voltage(V )
unless otherwise noted.
CFTLA : CFTLA
3. NM: N o Mount
NOTE
!
!
R3902
3.3k
GN DD
R3901
1k
R3903
470
470u/25
C3901
CEHAZL
PQ1CG3032FZ
IC3901
5
ON /OFF
1
IN
3
GN D
2
OUT
4
Oadj
C3904
NM
D3901
RB050L-40
C3902
1u/25
C3903
0.1u/25
L3901
ATH7052-A
150uH
CN3902
B2B-EH-Y
1
V+6D
2
GN DD
CN3901
B2B-EH-E
1
V+D
2
GN DD
D3902
PTZ6R8(B)
C3906
1000p/50
CH
220u/10
C3905
CEHAZL
VEF1040-A
JH3901
C3910
1000p/50
CH
C3911
0.39u/50
CFTLA
AN H-309-O
Power Supply for
DIGITAL AUDIO SECTION
+6V+15V
!
!
CN8801
B3B-EH
1
SEC7-1
2
NC
3
SEC7-2
H8801
AKR7001-A
H8802
R8800
NM
MUF
D8801
D5SBA20(B)
1
2
4
3
C8802
NM
CN8802
B2B-EH-R
1
V+12HD
2
GN DHDMI
NM
JH8800
ACH7286-A
C8801
15000u/25
C8800
0.27u/50
CFTLA
D8802
NM
JV8800
C8803
1000p/50
CH
FU41
CAUTION - FOR CON TIN UED PROTECTION AGAINST RISK OF FIRE,
REPLACE WITH SAME TYPE AN D RATIN GS OF FUSE.
Rectifier for
HDMI POW ER SUPPLY
+15.5V
MAIN TRANS
MAIN TRANS
CN7308
Y
JP7103
F
JP7104
F
JP7102
F

Pioneer SC-LX81 Specifications

General

Brand	Pioneer
Model	SC-LX81
Category	Receiver
Language	English