Sch08 Bar Main Amp Sn005805 - Polk Mono Signa S4 Service Manual

SCH08 Bar MAIN AMP SN005805

设 定 的 掉 电 电 压 根 据 实 际需 要 调 整 ，
掉 电 检 测 电 压
V=0.6*(R5+R1)/R1
SYS_3V3
REU1
POWER_15V
Vdrop=15V
REU3 10K
POWER_15V
100K QEU1
REU4
REU5
120K 100K
QEU2
REU6
REU7 CEU2
100K
0.1uF/16V/X7R
4.7K
AMP_FAULT3 AMP_3V3
5 AMP_FAULT3
AMP_FAULT2
5 AMP_FAULT2 AMP_FAULT1
5 AMP_FAULT1
AMP_PDN
5 AMP_PDN
AMP_LRCK
8 AMP_LRCK AMP_BCK
AMP_SDA
8 AMP_BCK AMP_D0
AMP_SCL TP60
AMP_3V3
8 AMP_D0 AMP_D1
TP59
8 AMP_D1 AMP_D2
8 AMP_D2
AMP_SDA
5 AMP_SDA
AMP_SCL
5 AMP_SCL
R278
AMP_3V3
0.1uF/16V/X7R
R287
AMP_PVDD_L1
C389
AMP_3V3
C406
R296
AMP_PDN
R78 NC/0
R297 NC/0
CEU1
SYS_3V3 AMP_3V3
AMP_PVDD_R1 AMP_PVDD_R2
POWER_15V
R271 0
+
CE3
220μF/25V
AMP_PVDD_R1 AMP_PVDD_R2
C310 C311 C312 C313
U24
15 26
PVDD OUT_A+
16 23
PVDD OUT_A-
27
PVDD
28 17
PVDD OUT_B+
20
OUT_B-
2
DVDD C324 0.22μF/25V/X7R
25
BST_A+
C325 1uF/16V/X7R 13
AVDD C326 0.22μF/25V/X7R
22
BST_A-
C327 1uF/6.3V/X7R 4
VR_DIG C328 0.22μF/25V/X7R
18
BST_B+
AMP_SDA C329 0.22μF/25V/X7R
10 21
AMP_SCL SDA BST_B-
11
SCL
9
AMP_FAULT1 SDOUT
3
AMP_PDN
12 ADR/FAULT 24
NC/0
PDN PGND
19
PGND 14
AMP_LRCK AGND
R281 6 5
AMP_BCK
7 LRCLK DGND 1
AMP_D0 SCLK DGND
8 29
SDIN GND_THERMAL
100K
SN005805
POWER_15V AMP_PVDD_L2
AMP_PVDD_L1
+
CE4
220μF/25V
L10
AMP_PVDD_L1 AMP_PVDD_L2
C343 C344 C345 C346
U25
15 26
PVDD OUT_A+
16 23
PVDD OUT_A-
27
PVDD
28 17
PVDD OUT_B+
20
OUT_B-
2
DVDD
25 C369 0.22μF/25V/X7R
BST_A+
C370 1uF/16V/X7R 13 L11
AVDD
22 C372 0.22μF/25V/X7R
BST_A-
R286 C373 1uF/6.3V/X7R 4
VR_DIG
18 C374 0.22μF/25V/X7R
4.7K
BST_B+
AMP_SDA
10 21 C375 0.22μF/25V/X7R
AMP_SCL SDA BST_B- L12
11
SCL
9
AMP_FAULT2 SDOUT
3
AMP_PDN ADR/FAULT
NC/0 12 24
PDN PGND
19
PGND
14
AMP_LRCK
AGND
6 5
AMP_BCK LRCLK DGND
7 1
AMP_D1 SCLK DGND
8 29
SDIN GND_THERMAL
SN005805
L13
POWER_15V
AMP_PVDD_L2
AMP_PVDD_L1
+
CE5
220μF/25V
L14
AMP_PVDD_L2
C390 C391 C392
U26
15 26
PVDD OUT_A+
16 23
PVDD OUT_A-
27
PVDD
28 17
PVDD OUT_B+
20
OUT_B-
2
DVDD
25 C404 0.22μF/25V/X7R
BST_A+
C405 1uF/16V/X7R 13 L15
AVDD
22 C407 0.22μF/25V/X7R
BST_A-
C408 1uF/6.3V/X7R 4
VR_DIG
18 C419 0.22uF/50V/X7R
BST_B+
AMP_SDA
10 21 C420 0.22uF/50V/X7R
AMP_SCL SDA BST_B-
11
SCL
9
AMP_FAULT3
3 SDOUT
AMP_PDN ADR/FAULT
12 24
PDN PGND 19
PGND
14
AMP_LRCK
6 AGND 5
AMP_BCK LRCLK DGND
7 1
AMP_D2
8 SCLK DGND 29
SDIN GND_THERMAL
SN005805
16
Close to XP1
Front_L+
L6 10μH
Front_L+
R272 C316
C314 C70
0.47uF/25V/X7R C320
NC/56Ω
C319
TW_L- TW_L-
TW_L- TW_L+
R275
Front_L+
C323
TW_L+ Front_L-
C317
TOP_L-
0.47uF/25V/X7R
TOP_L+
NC/56Ω
Front_L-
L7 10μH
Front_L-
4Ω 20W/1%
Front_R+
L8 10μH
Front_R+
R277
C333
C330 C47
0.47uF/25V/X7R
C332
NC/56Ω
C337 TW_R-
TW_R-
R280
C341 TW_R+
C339
0.47uF/25V/X7R
NC/56Ω
Front_R-
L9 10μH
Front_R-
Close to XP1
Close to XP14
TOP_L+
10μH
TOP_L+
R283
C350
C347
0.47uF/25V/X7R
C349
NC/56Ω
C366
C367
C363
R285
0.47uF/25V/X7R
NC/56Ω
TOP_L-
10μH
TOP_L- TW_R-
TW_R+
Front_R+
4Ω 20W/1%
Front_R-
TOP_R-
TOP_R+
10μH TOP_R+
TOP_R+
C380
R289
C377
0.47uF/25V/X7R C379
NC/56Ω
C385
R291
C386
C383
0.47uF/25V/X7R
NC/56Ω
TOP_R-
10μH
TOP_R-
Close to XP14
Close to XP6
10μH Cen+
Cen+
R293
C395
C388
0.47uF/25V/X7R C394
Cen+
NC/56Ω
Cen-
4Ω 20W/1%
C401
C402
C399
0.47uF/25V/X7R R295
NC/56Ω
10μH Cen-
Cen-
6PIN/2.5mm
6
5 6
5
4
4
3
3
2
1 2
1
XP1
6PIN/2.5mm
6
6
5
5
4
4
3
3
2
2
1
1
XP14
CEN
1
1
2
2
XP6
2PIN/2.5mm