Pioneer SX-SW404 Service Manual page 23

5
QQ
3 7 63 1515 0
NOTES
All Capacitors are in p-pF or uF
unless otherwise specified
Ratings : Capacity(uF)/Voltage(V)
Rated Voltage : 50V unless
SQ : CKSQ**(2125size)
CH : CCSRCH(1608size)
(others : CKSRYB(1608size))
(FL)
: AUDIO SIGNAL ROUTE (PWM)(Front Lch)
(FR)
: AUDIO SIGNAL ROUTE (PWM)(Front Rch)
(SL)
: AUDIO SIGNAL ROUTE (PWM)(Surround Lch)
(SR)
: AUDIO SIGNAL ROUTE (PWM)(Surround Rch)
(C)
: AUDIO SIGNAL ROUTE (PWM)(Center ch)
(SW)
: AUDIO SIGNAL ROUTE (PWM)(Sub Woofer ch)
AMP POWER STAGE
TE
L 13942296513
VG+12
R3422
10
XOTW
R3401 220
SHUTDOWN
R3402 220
PWM_M_8
PWM_P_8 (SW)
1
1
PWM_M_7
VALID R3404 220
PWM_P_7
(C)
VG+12C
R3406
STBY
R3421
10
www
PCB binder
VEF1040
.
5
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TL : CFTLA
: CEAT
All Resistors are in k-kΩ, M-MΩ or Ω
otherwise specified
1/8W : RS1/8S***J(3216size)
1/10W : RS1/10S***J(2125size)
(others : RS1/16S***J(1608size)
R3430
10
IC3401 TAS5142DDV
1 44
GVDD_B GVDD_A
2 43
/OTW BST_A
3 42
NC NC
4 41
NC PVDD_A
5 40
/SD PVDD_A
6 39 R3440
PWM_A OUT_A
7 38
/RESET_AB GND_A
8 37
PWM_B GND_B
9 36
OC_ADJ OUT_B
10 35
GND PVDD_B
11 34
AGND BST_B
12 33
VREG BST_C
13 32
M3 PVDD_C
14 31
M2 OUT_C
15 30
M1 GND_C
R3442
16 29
PWM_C GND_D
17 28 R3443
/RESET_CD OUT_D
18 27
PWM_D PVDD_D
19 26
NC PVDD_D
20 25
NC NC
21 24
VDD BST_D
22 23
GVDD_C GVDD_D
VG+126
R3429
10
x ao
y
GNDD
i
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6
8
A 5/5
MAIN ASSY
(SX-SW404, SX-SW606/WYXCN5 :
(SX-X360/WYXCN5,WVXCN5 :
(SX-X360/KUCXCN :
Terminal Layout
(from rear panel)
FL FR
SL SR
(SL)
(SR)
(FR)
(FL)
(FL)
: AUDIO SIGNAL ROUTE (Front Lch)
(FR)
: AUDIO SIGNAL ROUTE (Front Rch)
(SL)
: AUDIO SIGNAL ROUTE (Surround Lch)
(SR)
: AUDIO SIGNAL ROUTE (Surround Rch)
(C)
: AUDIO SIGNAL ROUTE (Center ch)
(SW)
: AUDIO SIGNAL ROUTE (Sub Woofer ch)
V+B30
Q Q
3 6 7 1 3
STBY
C3418 0.033 SQ
C3410 STBY
2
C3414 0.1 SQ
C3441
330p
1/8W
18
R3441
CH C3442
1/8W
18 330p
CH
C3408 STBY
(SW)
C3412 0.1 SQ
2
C3416 0.033 SQ
C3417 0.033 SQ
2
C3413 0.1 SQ
C3409 STBY
C3443
330p
CH
18 1/8W
C3444
330p
CH
18
1/8W
(C)
C3411 0.1 SQ
2
C3407 STBY
C3415 0.033
SQ
V+B30
u163
STBY
.
SX-SW404
6
7
2 9 9 4 2 8
AWK7938)
AWK7940)
C
SW
PCB board
GNDD
1 5 0 5 8 2 9 9 4
SW-
L3402
10uH
4 3
1 2
(SW)
SW+
ATH7021
L3401
C-
10uH
4 3
1 2
ATH7021
m
(C) C+
co
7
8
9 9
AWK7924)
A
CN3211
AKE7120
+
SL+
1
-
SL-
2
+ 13
SR+
3
-
SR-
4
+
SW+
5
-
SW-
6
+
C+
7
- B
C-
8
+
FR+
9
-
FR-
10
14
+
FL+
11
-
FL-
12
CHASSIS
C
2 8 9 9
D
E
F
A 5/5
23
8