Main Assy (5/5) - Pioneer SX-SW77 Service Manual

1

3.6 MAIN ASSY (5/5)

A
(SL)
PWM_M_3
PWM_P_3
1
B
(FL)
PWM_M_1
PWM_P_1
VALID
R3204
1
77 SHUTDOWN
R3203
R3202
79 XOTW R3201
C
D
(SR)
PWM_M_4
PWM_P_4
1
(FR)
PWM_M_2
PWM_P_2
R3304
VALID
1
E
77 SHUTDOWN
R3303
R3302
79 XOTW R3301
UCOM
F
A 5/5
22
1
2
R3222
IC3201 STBY
TAS5112ADCA
1 56
GND GND
2 55
GND GVDD
3 54
GREG BST_A
4 53
DVDD PVDD_A
5 52
GND PVDD_A
6 51
DGND OUT_A
7 50
GND OUT_A
8 49
AP GND
9 48
AM GND
10 47
/RESET_AB OUT_B
11 46
BM OUT_B
12 45
BP PVDD_B
13 44
DREG PVDD_B
14 43
M1 BST_B
15 42
M2 BST_C
16 41
M3 PVDD_C
17 40
DREG_RTN PVDD_C
18 39
CP OUT_C
19 38
CM OUT_C
220 20 37
/RESET_CD GND
21 36
DM GND
22 35
DP OUT_D
1k 23 34
/SD_AB OUT_D
1k 24 33
/SD_CD PVDD_D
1k 25 32
/OTW PVDD_D
26 31
GREG BST_D
27 30
GND GVDD
28 29
GND GND
R3221
STBY
GNDD
R3322
IC3301 STBY
TAS5112ADCA
1 56
GND GND
2 55
GND GVDD
3 54
GREG BST_A
4 53
DVDD PVDD_A
5 52
GND PVDD_A
6 51
DGND OUT_A
7 50
GND OUT_A
8 49
AP GND
9 48
AM GND
10 47
/RESET_AB OUT_B
11 46
BM OUT_B
12 45
BP PVDD_B
13 44
DREG PVDD_B
14 43
M1 BST_B
15 42
M2 BST_C
16 41
M3 PVDD_C
17 40
DREG_RTN PVDD_C
18 39
CP OUT_C
19 38
CM OUT_C
220
20 37
/RESET_CD GND
21 36
DM GND
22 35
DP OUT_D
1k 23 34
/SD_AB OUT_D
1k 24 33
/SD_CD PVDD_D
1k 25 32
/OTW PVDD_D
26 31
GREG BST_D
27 30
GND GVDD
28 29
GND GND
R3321
STBY
GNDD
LAYOUT NOTE :
*L are PCB track inductors approx. 50mm long and 1mm wide
2
3
V+B27
STBY
R3230
STBY
R3218 1.5
1/8W
C3214
R3214
SQ
ACN7141
0.1
2.7
R3240
C3241
(SL)
330p CH
18
1/8W
C3242
330p CH
18 1/8W
R3241
R3212
C3212
2.7
SQ
0.1
ACN7141
R3216 1.5 1/8W
R3217 1.5 1/8W
C3213
R3213
ACN7141
0.1
2.7
SQ
R3242
C3243
330p CH
18
1/8W
C3244
330p CH
2
18
R3243
C3211
R3211
SQ
ACN7141
0.1
2.7
R3215 1.5 1/8W
R3229
STBY
V+B27
STBY
V+B27
STBY
R3330
STBY
R3318 1.5
1/8W
C3314
R3314
SQ
ACN7141
0.1
2.7
R3340
C3341
(SR)
330p CH
18
1/8W
C3342
330p CH
18
1/8W
R3341
R3312
C3312
2.7
SQ
0.1
ACN7141
R3316 1.5 1/8W
R3317 1.5 1/8W
C3313
R3313
SQ
ACN7141
0.1
2.7
R3342
C3343
330p CH
18
1/8W
C3344
330p CH
2
18
R3343
C3311
R3311
SQ
2.7
0.1
ACN7141
R3315 1.5 1/8W
R3329
STBY
V+B27
STBY
SX-SW77
3
4
VG+12
2 L3202
10uH
4 3
1 2
(SL)
ATH7021
L3201
10uH
4 3
1 2
(FL)
ATH7021
VG+12
(FL)
VG+12
2 L3302
10uH
4 3
1 2
(SR)
ATH7021
L3301
10uH
4 3
1 2
(FR)
ATH7021
VG+12
(FR)
4
PWM