20.4. D-Amp & SMPS Circuit
H
SCHEMATIC DIAGRAM - 13
D-AMP CIRCUIT
SA-PT750P/PC D-AMP CIRCUIT
1/2
2/2
H1
H2
H3
H4
H6
TO FAN
TO SPEAKERS
:+B SIGNAL LINE
:-B SIGNAL LINE
:MAIN SIGNAL LINE
TO D-AMP
SECTION (2/2)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
FL-
FR+
C+
C-
FL+
FR-
10K
R5657
6.3V220
C5692
2
4
3
1
L5301
3
2
1
ZJ5410
1
3
2
CN5501
SW+
C5693
FAN LOCK DETECT
FAN MOTOR DRIVE
FAN MOTOR DRIVE
FAN MOTOR DRIVE
0.1
100K
R5659
C5695
0.1
10K
R5655
25V22
C5696
D5640
B0BC01200019
3.3K
R5639 R5640
0
Q5642
Q5642
B1ABCF000011
1.8M
R5658
10
R5637
25V10
C5691
R5636
3.9K
B1BACD000018
Q5640
C5690
1000P
SW+
SW_+
C5350
0.1
C5351
0.1
SW-
FAN_DC
Q5644
Q5644
B1ABCF000011
10K
R5656
B1ABCF000011
Q5641
10K
R5660
SW-
5
6
1
3
4
2
8
7
JK5001
10K
R5606
B1ADCE000012
Q5603
R5608
10K
R5604
1.2K
R5610
1.2K
1.2K
R5611
R5603
10K
R5602
10K
Q5604
B1ABCF000176
B1ABCF000176
R5609
10K
Q5601 - Q5602
Q5601
Q5602
R5302
10
220P
C5307
35V470
C5516
1M
R5507
390P
C5552
X5500
X5500
H2A6023A0011
H2A7003A0011
0.01
C5550
D5502
D5501
100P
C5557
0.01
C5556
B0BC5R000009
D5503
10
C5555
X5501
X5501
B0ACCE000003
D5501 - D5502
R5506
1M
390P
C5551
0.1
C5554
R5311
10
1M
R5508
100P
C5553
35V470
C5517
C5525
0.1
C5524
0.1
VDDA3
C5540
63V47
R5504
22
R5510
270
C5315
1000P
5.6K
R5307
0.47
C5317
C5562
6.3V1000
OSC
IN+_SW
FAN_DC
FHOP
FAN_GND
C5312
330P
R5306
5.6K
C5314
0.47
C5313
0.1
VDDP
VSSP
C5316
0.1
C5323
220P
0.1
C5319
0.1
C5318
0.1
C5560
R5511
22
100P
C5561
SW+5V
5
6
4
1
2
3
9
11
13
14
12
10
7
8
IC5501
C0JBAF000716
VSSA3
10
R5310
R5505
100
47P
C5558
C5559
47P
5
6
4
1
2
3
9
11
13
14
12
10
7
8
C0JBAB000902
INVERTER GATE
(CLOCK GENERATOR)
D-TYPE FLIP-FLOP
IC5500
OSC
SW+5V
SW+5V
MOD_DA
MUTE_F
MUTE_S
FL_+
SW_+
SW_-
DC_DET
68K
R5218
C_+
120K
R5228
120K
R5020
FR_+
R5019
68K
Q5101
B1ABCF000176
0.3V100
C5133
R5110
22K
68K
R5328
1.2K
R5023
SIGNAL
SIGNAL
R5317
1.2K
R5327
1.2K
AGND
1.2K
R5022
1.2K
R5021
0.1
C5033
B1ABCF000176
Q5102
R5318
120K
R5607
1.2K
56K
R5654
0
R5670
B0ACCK000005
DC_DET
FAN_GND
D5645
50V1
C5697
C5694
16V33
B0ACCK000005
D5644
D5643
B0ACCK000005
C_-
R5035
5.6K
R5034
5.6K
220P
C5325
1000P
C5333
K5500
0
220P
C5326
R5304
100
C5304
330P
C5601
16V10
C5331
1000P
R5308
5.6K
0.47
C5334
R5309
5.6K
0.47
C5332
C5305
0.1
C5306
0.1
19
21
23
22
20
10
2
3
1
7
8
9
4
5
6
12
15
14
17
18
16
13
11
IC5300
C1BA00000487
AUDIO DIGITAL POWER AMP
C5324
0.015
C5321
0.22
C5302
0.1
0.1
C5310
220P
C5311
0.1
C5309
C5322
0.015
C5303
0.1
R5305
10
R5319
22
0.68
C5328
R5300
22
C5327
0.1
C5301
0.1
0.68
C5300
2
4
3
1
L5300
MODE2
MODE1
MODE2
FAN GND
FAN DC OUT
SUB
CENTER -
SUBWOOFER -
FRONT L+
FRONT L-
FRONT R+
FRONT R-
CD2
D1
MUTING
MUTING
MUTING
DC DETECT
DC DETECT
GND
D2
SD1
SD2
SGND1
VSSD
OUT1
PROT
OUT2
BOOT2
VSSP1
VSSP2
STABI
VSSA2
VDDP2
VSSA1
BOOT1
VDDP1
OSC
VDDA1
6Y
5A
6A
VCC
O2
4Y
02
CP2
VCC
4A
5Y
3A
2A
2Y
1A
1Y
3Y
O1
01
CP1
CD1
GND
IN1+
IN1-
MODE
IN2-
signal_trigger
IN2+
SGND2
VDDA2
FAN LOCK
G0B9R5K00003
G0A150L00003
K5253
0
K5252
0
K5251
0
SA-PT750P / SA-PT750PC
113
Summary of Contents for SA-PT750P
Page 12: ...12 SA PT750P SA PT750PC ...
Page 19: ...7 6 Using the Music Port 19 SA PT750P SA PT750PC ...
Page 55: ...10 2 Main Components and P C B Locations 55 SA PT750P SA PT750PC ...
Page 76: ...76 SA PT750P SA PT750PC ...
Page 90: ...SA PT750P SA PT750PC 90 ...
Page 98: ...SA PT750P SA PT750PC 98 ...
Page 100: ...100 SA PT750P SA PT750PC ...
Page 120: ...SA PT750P SA PT750PC 120 ...
Page 128: ...SA PT750P SA PT750PC 128 ...
Page 135: ...25 Exploded Views 135 SA PT750P SA PT750PC ...
Page 136: ...136 SA PT750P SA PT750PC ...
Page 137: ...25 1 Cabinet Parts Location SA PT750P SA PT750PC 137 ...
Page 138: ...SA PT750P SA PT750PC 138 ...