Pioneer SC-LX90 Service Manual page 49

Audio/video multi-channel amplifier
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5
V+3R3VC
TDET3
GNDD
5
V+1R8VC
NJM2846DL3-18
V+5O
V+5D
5
6
L11
0.1u/16
ATH7050-A
10u
Q11
6
1
D1
D4
5
D2 2
D3
4
G 3
S
RTQ045N03
R13
10k
R20
120
(F/1608)
(1608)
C15
R14
R15
0.015u/50
100
3.6k
(1608)
(1608)
(F/1608)
V+2R5VC
IC11
NJM2885DL1-25
GNDD
D11
R18
1SR154-400
NM
(3216)
R19
NM
(3216)
IC12
GNDD
V+5A
IC17
NJM2885DL1-05
GNDD
6
IC13
TPS54350PWP
C18
16
1
BOOT
VIN1
(1608)
15
2
PH2
VIN2
14
3
PH1
UVLO
13
4
LSG
PWRGD
12
5
VBIAS
RT
11
6
PGND
SYNC
10
7
AGND
ENA
9
8
VSENSE
COMP
POWERPAD
17
R21
C21
1.5k
0.015u/50
(1608)
(1608)
C20
GNDD
1000p/50
(1608)
GNDD
V+3R3VC
V+5HD1
IC14
5
Vout
4
CONTROL
NOISE_BYPASS
NJM2872BF05
V+5HD2
IC15
5
Vout
4
CONTROL
NOISE_BYPASS
NJM2872BF05
V+3R3WP
IC18
5
VOUT
4
NC
S-1112B33MC-L6S
V+1R5WP
IC16
5
VOUT
4
NC
S-1112B15MC-L6A
SC-LX90
7
AE
8/8
F
V+6
V+5
L15
ATH7050-A
10u
GNDD
Q12
RT1N241M
R26
0
(1608)
V+5
Q13
RT1P241M
1
Vin
2
GND
3
GNDD
GNDD
1
Vin
2
GND
3
GNDD
GNDD
1
VIN
2
VSS
3
ON/OFF
GNDD
1
VIN
2
VSS
3
ON/OFF
GNDD
7
8
HDMI ASSY
A
CN11
B5P-VH
B
1
V+5
2
GND
3
GND
V+6
4
5
PWRGD
GNDD
C
GNDD
KN11
VNF1109
1
R40
0
D
(1608)
0
R41
(1608)
R32
0
(1608)
R33
0
(1608)
GNDS
R36
NM
(1608)
R37
NM
(1608)
R38
NM
(1608)
R39
NM
(1608)
E
GNDS2
F
AE
8/8
F
49
8

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