Panasonic SA-PT880EE / SC-PT880EE Service Manual ▷ View online
125
17.3. D-Amp Circuit
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C
D
B
E
G
H
F
C
D-AMP CIRCUIT
SCHEMATIC DIAGRAM - 15
SA-PT880EE D-AMP CIRCUIT
2/4
4/4
1/4
3/4
TO D-AMP
SECTION (2/4)
SECTION (2/4)
TO D-AMP
SECTION (3/4)
SECTION (3/4)
P1
: +B SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
A
TO
MAIN(MICON)
CIRCUIT (CN2006)
IN SCHEMATIC
DIAGRAM - 8
MAIN(MICON)
CIRCUIT (CN2006)
IN SCHEMATIC
DIAGRAM - 8
1
18
SW-
C+
SW+
FR+
FR-
C-
SL-
FL+
SR+
SL+
SR-
FL-
1
G1
8
9
11
10
12
5
6
2
4
3
7
G2
JK5001
TO SPEAKERS
C5434
0.1
PWM_C-
PWM_FR+
PWM_C+
DCDET
DAP_SDIN1
R5381
47
R5387
DAP_REST
R5351
200
R5350
200
ECO
L5300
J0JBC0000015
R5470
R5475
0
47K
0.1
C5356
0.01
C5357
0.01
C5352
DAP_MCLK
C5354
0.1
47
R5383
47
R5384
47
R5388
C5365
0.1
47
R5382
R5386
47
47
47
R5385
10K
R5444
C5436
0.1
3
1
2
4
5
C0EBE0000456
RESET
IC5401
C5432
0.01
3 GND
1
2
4
5
VCC
C0JBAA000501
AND GATE
IC5402
GND
GND
SPK_GND
/SD
VCC
C0JBAA000501
AND GATE
IC5405
C5433
0.1
PWM_FL+
C0JBAB000837
INVERTER
IC5404
DAP_SDIN2
DAP_SDIN3
R5379
47
PWM_SL
47
R5375
DAP_SCLK
DAP_MCLK
DAP_LRCLK
R5376
47
DAP_SDA_2
DAP_MUTE
DAP_SCL_2
12VSW
R5371
330
DAP_REST
R5370
330
R5391
330
R5390
330
R5377
47
R5447
4.7K
R5380
47
9
7
5
2
3
1
4
6
8
17
15
13
10
12
11
14
16
18
CN5402
C5350
0.1
C5351
0.1
C5359
10
PWM_SR
VALID2
VALID1
DAP_SCLK
DAP_SCL_2
DAP_LRCLK
3
1
2
4
5
DAP_SDIN2
DAP_SDIN1
DAP_SDIN3
3
1
2
4
6
5
C5358
0.1
PWM_SW-
DAP_MUTE
DAP_SDA_2
R5353
18.2K
C5361
0.1
47P
C5363
0.1
C5366
47P
C5362
C5435
0.1
PWM_SW+
37
31
30
10
29
5
34
33
35
7
32
20
19
17
15
13
11
12
14
16
23
22
27
28
25
24
26
18
21
3
4
6
8
9
2
1
36
38
C1AB00002461
PWM PROCESSOR
IC5301
B1GBCFNN0038
DC DETECT
QR5400
SCLK
ECO
VR_OSC
SDIN3
SDIN4
DVSS
DVSS
SDIN1
/BKND_ERR
SDIN2
LRCLK
SCLK
SDOUT
RESERVED
SDA
/MUTE
OSC_RES
DVDD
/PDN
DVSS
DVSS_OSC
SCL
AVSS
AVSS
AVDD
VR_ANA
PWM_4
PWM_3
PWM_5
PLL_FLTM
PWM_1
PWM_2
MCLK
/RESET
AVSS
PWM_6
VR_DIG
VALID2
VALID1
PLL_FLTP
DGND
LRCLK
+3.3V
SDATA3
SDATA2
DCDET
SDATA1
FAN SIGNAL
SDATA4
MCLK_GND
MUTE
MCLK
NC VSS
NC
VDD
SDA_2
RESET
SCL_2
DGND
OUT
GND VCC
VCC
SURROUND L -
CENTER -
CENTER +
FRONT R -
FRONT L -
FRONT L +
FRONT R +
SUBWOOFER -
SUBWOOFER +
SURROUND L +
SURROUND R +
SURROUND R -
FAN_SIGNAL
126
15
16
17
18
19
20
21
22
23
24
25
26
27
28
A
C
D
B
E
G
H
F
C
D-AMP CIRCUIT
SCHEMATIC DIAGRAM - 16
SA-PT880EE D-AMP CIRCUIT
2/4
4/4
1/4
3/4
TO D-AMP
SECTION (1/4)
SECTION (1/4)
TO D-AMP
SECTION (4/4)
SECTION (4/4)
P1
AA
AC
AD
AE
AF
AG
AH
AI
AJ
AK
AL
P1
: +B SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
C5109
2.2
C5107
2.2
C5127
C5135
1
1
C5142
D5621
B0HCSP000001
D5618
B0HCSP000001
D5620
B0HCSP000001
D5619
B0HCSP000001
D5622
C5110
2.2
C5116
2.2
C5114
2.2
C5115
2.2
C5113
2.2
C5108
2.2
2
4
3
1
L5101
G0C100M00006
C5120
R5453
33K
C5134
D5625
D5624
2
4
3
1
L5100
63V330
C5117
0.1
C5100
10
R5100
0.1
C5119
C5118
10
C5102
22K
R5102
R5101
100
R5103
100
0.1
C5104
0.1
C5105
0.1
C5101
C5103
0.1
10
R5105
10
R5109
10
R5106
IC5100
C1AB00003260
DIGITAL AMPLIFIER
SL-
SL+
FL+
SR+
SR-
FR+
FR-
FL-
2
4
3
1
2
4
3
1
L5105
G0B9R5K00005
2
4
3
1
L5106
G0B9R5K00005
2
4
3
1
L5103
G0B9R5K00005
L5104
G0B9R5K00005
R5113
R5449
R5126
B1ABCF000011
Q5409
Q5408
B1ABCF000011
DC DETECT
DC DETECT
R5431
22K
C5427
10
Q5414
B1ABCF000011
DC DETECT
C5439
1
R5133
B0ACCK000005
D5512
B0ACCK000005
D5510
R5125
5.6K
R5452
100K
R5136
100K
R5117
R5450
D5514
R5128
100K
100K
R5451
100K
R5121
5.6K
D5513
100K
R5130
R5132
5.6K
R5135
5.6K
R5134
C5153
1000P
1000P
C5151
1000P
1000P
C5157
1000P
1000P
C5154
1000P
1000P
C5156
1000P
1000P
C5155
1000P
C5150
1000P
1000P
C5152
1000P
1000P
PWM_SR
PWM_SL
SPK_GND
GND
/SD
K5102
VALID2
PWM_FR+
PWM_FL+
10K
R5445
OUT_A
GND_B
OUT_B
GND_A
BST_A
BST_D
GND_C
BST_C
BST_B
OUT_C
OUT_D
GND_D
PVDD_D
PVDD_C
GVDD_D
GVDD_A
PVDD_B
PVDD_A
/SD
M3
GND
VREG
AGND
/OTW
INPUT_A
/RESET_AB
OC_ADJ
INPUT_B
GVDD_B
M1
VDD
M2
INPUT_D
INPUT_C
/RESET_CD
GVDD_C
VCC
G0C100M00006
B0HCSP000001
D5623
B0HCSP000001
B0HCSP000001
B0HCSP000001
35V330
C5128
35V470
C5121
35V330
C5133
35V470
C5136
35V330
C5137
35V470
C5143
35V330
C5144
35V470
1
1
10
5
7
17
15
13
11
12
14
16
18
19
3
4
6
8
9
2
1
31
30
29
34
33
35
32
20
23
22
27
28
25
24
26
21
36
5.6K
5.6K
B0ACCK000005
B0ACCK000005
5.6K
5.6K
100K
100K
R5454
47K
0.033
C5112
0.033
C5111
0.033
C5106
0.033
0
K5103
0
K5105
0
K5106
0
127
I
1
2
3
4
5
6
7
8
9
10
11
12
13
14
K
L
J
M
O
P
N
C
D-AMP CIRCUIT
SCHEMATIC DIAGRAM - 17
SA-PT880EE D-AMP CIRCUIT
2/4
4/4
1/4
3/4
TO D-AMP
SECTION (4/4)
SECTION (4/4)
TO D-AMP
SECTION (1/4)
SECTION (1/4)
2
1
3
4
P1
: +B SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
D
TO
SMPS CIRCUIT
(JW1*)
IN SCHEMATIC
DIAGRAM - 19
SMPS CIRCUIT
(JW1*)
IN SCHEMATIC
DIAGRAM - 19
L5403
G1C4R7MA0172
K5400
0
R5438
220K
B1ADBL000010
DC DETECT
Q5413
R5439
220K
R5436
22K
D5407
B0ACCK000005
1
C5425
4
2
1
3
5
IC5400
C0DBEKG00004
VOLTAGE REGULATOR
C5406 25V33
R5406
100K
R5408
10K
5600
R5407
C5424
5600P
5600P
10K
R5428
R5437
4.7K
B1ABCF000011
SWITCH
Q5405
R5423
10K
R5427
100K
C5423
1
B0ACCK000005
D5403
D5404
B0ACCK000005
RL5003*
C5446
1000P
1000P
2
4
3
1
6
5
CN5400
TO FAN
1
3
2
CN5401
L5401
J0JKB0000003
J0JKB0000003
L5402
C5419
1
C5416
1000P
Q5400
B1BAAJ000003
1.2K
R5420
R5446
3300
B0ACCK000005
D5405
R5422
330K
C5422
16V22
DCDET
R5426
1.8M
R5421
10
D5406
B0BC7R5A0268
R5424
10K
Q5412
B1ABCF000011
Q5403
B1GBCFNN0038
DC DETECT
QR5401
B1GBCFNN0038
DC DETECT
FAN LOCK DETECT
C5417
16V10
16V10
C5437
0.1
R5425
10K
C5420
16V22
16V22
C5418
6.3V220
Q5404
B1ABCF000011
CURRENT CONTROL
FAN MOTOR CONTROL
0.1
C5421
D5402
B0BC012A0269
SPK_GND
GND
12VSW
ADJ
GND
VIN
VOUT
VC
+55V
+55V
PGND
PGND
FAN GND
FAN DC OUT
FAN LOCK
FAN GND
+18V FAN
PVDD
PVDD
C5449
0.1
FAN_SIGNAL
Q5401
B1ADCE000012
SWITCH
R5434
10K
R5435
10K
Q5402
B1ABCF000011
SWITCH
D5408
B0ACCK000005
C5409
16V22
128
I
K
L
J
M
O
P
N
15
16
17
18
19
20
21
22
23
24
25
26
27
28
C
D-AMP CIRCUIT
SCHEMATIC DIAGRAM - 18
SA-PT880EE D-AMP CIRCUIT
2/4
4/4
1/4
3/4
TO D-AMP
SECTION (3/4)
SECTION (3/4)
TO D-AMP
SECTION (2/4)
SECTION (2/4)
1
3
4
2
P1
P1
AA
AH
AG
AC
AD
AE
AF
AI
AJ
AK
AL
: +B SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
C5207
2.2
C5209
2.2
C5215
2.2
C5213
2.2
D5615
B0HCSP000001
D5616
B0HCSP000001
B0HCSP000001
D5614
C5222
0.47
B0HCSP000001
D5613
D5617
B0HCSP000001
C5210
2.2
C5208
2.2
C5216
2.2
C5214
2.2
2
4
3
1
L5200
G0C100M00006
C5217
63V330
C5228
0.47
2
4
3
1
L5201
G0C100M00006
B0HCSP000001
D5610
D5612
B0HCSP000001
D5611
B0HCSP000001
C5204
0.1
10
R5205
R5203
100
0.1
C5203
C5202
10
0.1
C5200
10
R5200
C5201
0.1
R5202
22K
C5219
0.1
10
R5209
10
R5206
C5205
0.1
IC5200
C1AB00003260
DIGITAL AMPLIFIER
C+
SW+
SW-
C-
1
C5440
R5223
5.6K
R5471
12K
2
4
3
1
G0B9R5K00005
L5204
R5213
3.3
R5472
6.8K
R5473
12K
R5474
1K
D5628
B0BC012A0269
D5627
B0ACCK000005
1000P
C5230
C5229
1000P
1000P
R5215
10K
R5214
3.3
0.01
C5231
0.01
C5232
R5219
100K
R5220
100K
2
4
3
1
L5203
G0B9R5K00005
0.01
C5227
R5211
3.3
R5212
10K
C5226
1000P
3.3
R5210
C5223
1000P
0.01
C5224
R5216
100K
R5217
100K
10
C5428
10
C5448
1
C5447
5.6K
R5221
C5235
1000P
1000P
C5236
1000P
1000P
C5237
1000P
C5238
1000P
C5450
16V22
16V22
VALID1
100
R5201
PWM_C-
PWM_C+
PWM_SW-
ECO
PWM_SW+
OUT_A
GND_B
OUT_B
GND_A
BST_A
BST_D
GND_C
BST_C
BST_B
OUT_C
OUT_D
GND_D
PVDD_D
PVDD
PVDD_C
GVDD_D
GVDD_A
PVDD_B
PVDD_A
/SD
M3
GND
VREG
AGND
/OTW
INPUT_A
/RESET_AB
OC_ADJ
INPUT_B
GVDD_B
M1
VDD
M2
INPUT_D
INPUT_C
/RESET_CD
GVDD_C
10
5
7
17
15
13
11
12
14
16
18
19
3
4
6
8
9
2
1
31
30
29
34
33
35
32
20
23
22
27
28
25
24
26
21
36
C5218
0.033
C5212
0.033
C5211
0.033
C5206
0.033
