Amp Assy (2/2) - Pioneer SX-LX70SW Service Manual

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10.9 AMP ASSY (2/2)

QQ
3 7 63 1515 0
A
VG+12
XOTW
XSD
PWM_M_4
PWM_P_4
B
PWM_M_2
VALID
PWM_P_2
R 3 2 2 1
1 0
C
VG+12
TE
L 13942296513
XOTW
XSD
PWM_M_1
PWM_P_1
D
PWM_M_3
VALID
PWM_P_3
R 3 3 2 1
1 0
E
www
F
B
2/2
94
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VG+121 VG+122
R 3 2 3 0
1 0
R 3 2 2 2
FR/CR
1 0
I C 3 2 0 1
1 3 6
G V D D _ B
2 G V D D _ A 3 5
2 2 0
R 3 2 0 1 C 3 2 1 8
/ O T W
0 . 0 3 3 u / 5 0
B S T _ A
3 3 4
R 3 2 0 2 2 2 0
/ S D
P V D D _ A
4 3 3
C 3 2 1 4
P W M _ A
0 . 1 u / 5 0
O U T _ A
5 3 2
/ R E S E T _ A B R 3 2 4 0
G N D _ A
6 3 1
1 8
1/8W
P W M _ B
R 3 2 4 1
7 G N D _ B 3 0
O C _ A D J
1 8
O U T _ B
8 2 9
1/8W
G N D
P V D D _ B
9 2 8
C 3 2 1 2
A G N D
0 . 1 u / 5 0
B S T _ B
1 0 2 7
C 3 2 1 6
V R E G
0 . 0 3 3 u / 5 0
B S T _ C
1 1 2 6
C 3 2 1 7
M 3
0 . 0 3 3 u / 5 0
P V D D _ C
1 2 2 5
C 3 2 1 3
M 2
O U T _ C
1 3 2 4
1/8W
M 1
R 3 2 4 2
G N D _ C
1 4 2 3
P W M _ C
1 8
R 3 2 0 4
G N D _ D
1 5 2 2 R 3 2 4 3
/ R E S E T _ C D
1 8
1 6 O U T _ D 2 1
2 2 0
C 3 2 1 1
P W M _ D
VG+123 1/8W
0 . 1 u / 5 0
P V D D _ D
1 7 2 0
V D D
B S T _ D
1 8 1 9
C 3 2 1 5
G V D D _ C
0 . 0 3 3 u / 5 0
G V D D _ D
T A S 5 1 4 2 D K D
VG+124
R 3 2 2 0
1 0
GNDD
VG+125 VG+126
R 3 3 3 0
1 0
R 3 3 2 2
FL/CL
1 0
I C 3 3 0 1
1 3 6
G V D D _ B
2 G V D D _ A 3 5
R 3 3 0 1 2 2 0 C 3 3 1 8
/ O T W
0 . 0 3 3 u / 5 0
B S T _ A
3 3 4
2 2 0
R 3 3 0 2
/ S D
4 P V D D _ A 3 3
C 3 3 1 4
P W M _ A
0 . 1 u / 5 0
O U T _ A
5 3 2
R 3 3 4 0
/ R E S E T _ A B
6 G N D _ A 3 1
1 8
1/8W
P W M _ B
R 3 3 4 1
G N D _ B
7 3 0
O C _ A D J
1 8
8 O U T _ B 2 9
1/8W
G N D
P V D D _ B
9 2 8
C 3 3 1 2
A G N D
0 . 1 u / 5 0
B S T _ B
1 0 2 7
C 3 3 1 6
V R E G
0 . 0 3 3 u / 5 0
B S T _ C
1 1 2 6
C 3 3 1 7
M 3
0 . 0 3 3 u / 5 0
P V D D _ C
1 2 2 5
C 3 3 1 3
M 2
0 . 1 u / 5 0
O U T _ C
1 3 2 4
1/8W
M 1
G N D _ C R 3 3 4 2
1 4 2 3
P W M _ C
1 8
R 3 3 0 4
1 5 G N D _ D 2 2 R 3 3 4 3
/ R E S E T _ C D
1 8
2 2 0 O U T _ D
1 6 2 1
1/8W C 3 3 1 1
P W M _ D
VG+127
0 . 1 u / 5 0
1 7 P V D D _ D 2 0
V D D
B S T _ D
1 8 1 9
C 3 3 1 5
G V D D _ C
0 . 0 3 3 u / 5 0
G V D D _ D
T A S 5 1 4 2 D K D
VG+128
R 3 3 2 9
1 0
GNDD
LAYOUT NOTE :
NOTES
*L are PCB track inductors
approx 50mm long and 1mm wide All Cspapcitors are in p-pF or uF
unless otehewise specified
x ao
y
. i
All Inductors are in uH
SX-LX70SW
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8
POWER STAGE
V+B30
STBY
L 3 2 0 4
4 3
SQ
1 2
A T H 7 0 2 1 - A
10u
SQ
L 3 2 0 2
4 3
C 3 2 4 1 CH
3 3 0 p / 5 0
1 2
C 3 2 4 2
CH
N M
3 3 0 p / 5 0
(ATH7043)
SQ
L 3 2 0 3
SQ
4 3
SQ
1 2
SQ
A T H 7 0 2 1 - A
0 . 1 u / 5 0
10u
L 3 2 0 1
4 3
C 3 2 4 3
CH
3 3 0 p / 5 0
C 3 2 4 4 CH
1 2
3 3 0 p / 5 0
SQ
N M
(ATH7043)
SQ
V+B30
STBY
V+B30
STBY
Q Q
3 6 7
L 3 3 0 4
4 3
SQ
1 2
A T H 7 0 2 1 - A
10u
SQ
L 3 3 0 2
4 3
C 3 3 4 1 CH
3 3 0 p / 5 0 1 2
C 3 3 4 2 CH
N M
3 3 0 p / 5 0
(ATH7043)
SQ
SQ
L 3 3 0 3
4 3
SQ
1 2
SQ
A T H 7 0 2 1 - A
10u
C 3 3 4 3 CH
L 3 3 0 1
4 3
3 3 0 p / 5 0
C 3 3 4 4 CH
3 3 0 p / 5 0
1 2
SQ
N M
(ATH7043)
SQ
V+B30
STBY
All Resistors are in k-k
Ratings : Capacity(uF)/Voltage(V)
u163
SQ : CKSQ**(2125size)
CH : CCSRCH(1608size)
(others : CKSRYB(1608size))
: CEVW
3
4
2 9 9 4
CR+
R 3 2 5 0
S
4 . 7 k
D 3 2 0 3
C 3 2 2 9
1 S S 3 5 5
4 7 0 0 p / 5 0
R 3 2 5 1
S
4 7 k
FR-
FR+
FL-
1 3 1 5 0 5 8 2 9
FL+
R 3 3 5 0
S
4 . 7 k
D 3 3 0 3
4 7 0 0 p / 5 0
1 S S 3 5 5
C 3 3 3 0
R 3 3 5 1
S
4 7 k CL-
CL+
VE+5
Q 3 6 9 1
2 S C 4 0 8 1 ( Q R )
R 3 6 9 2
1 0 k
m
M-M or
: RAB4CQ***J
co
1/8W : RS1/8S***J(3216size)
1/10W : RS1/10S***J(2125size)
.
S : RS1/16S***J(1608size)
F% : RS1/16SS(S)****F
(others : RS1/16SS***J(1005size))
4
2 8
9 9
9 4 2 8 9 9