DOWNLOAD Panasonic SA-PT250EE Service Manual ↓ Size: 5.57 MB | Pages: 126 in PDF or view online for FREE

Model
SA-PT250EE
Pages
126
Size
5.57 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / DVD HOME THEATER SOUND SYSTEM
File
sa-pt250ee.pdf
Date
PREV: Panasonic SA-PT250E / SA-PT250EG Service Manual

Panasonic SA-PT250EE Service Manual ▷ View online

19.3. D-Amp & SMPS Circuit
G
SCHEMATIC DIAGRAM - 11
D-AMP CIRCUIT
SA-PT250EE D-AMP CIRCUIT
1/2
2/2
G1
G2
G3
G4
G6
TO FAN
:+B SIGNAL LINE
:-B SIGNAL LINE
:MAIN SIGNAL LINE
TO D-AMP
SECTION (2/2)
TO SPEAKERS
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
10K
R5657
6.3V220
C5692
2
4
3
1
L5301
3
2
1
ZJ5410
1
3
2
CN5501
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
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
B0BC5R000009
D5503
10
C5555
0.1
C5554
R5311
10
1M
R5508
100P
C5553
35V470 
C5517
C5525
0.1
C5524
0.1
VDDA3
C5540
63V47
R5510
270 
C5315
1000P
5.6K
R5307
0.47
C5317
C5562
6.3V1000
OSC
IN+_SW
FAN_DC
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
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_+
DC_DET
68K
R5218
C_+
120K
R5020
FR_+
R5019
68K
Q5101
B1ABCF000176
6.3V100
C5133
R5110
22K
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
R5035
5.6K
R5034
5.6K
220P
C5325
1000P
C5333
K5500
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
MODE1_2
MODE2
FAN GND
FAN DC OUT
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
0
6
4
3
5
9
8
12
10
11
7
1
2
JK5001
CENTER +
FRONT L+
FRONT L-
FRONT R+
CENTER -
FRONT R-
SUBWOOFER -
SUBWOOFER +
SURROUND L+
SURROUND L-
SURROUND R+
SURROUND R-
C-
FR-
FL-
SL+
SR+
SL-
SR-
FL+
FR+
SW-
C+
SW+
R5114
1.2K
R5115
1.2K
 FL_-
SL_+
SR_+
68K
R5113
120K
R5111
K5251
0
K5502
0
IN+_C
SA-PT250EE
89
G
SCHEMATIC DIAGRAM - 12
D-AMP CIRCUIT
B
TO
MAIN CIRCUIT
(CN2009)
IN SCHEMATIC
DIAGRAM - 6
H
TO
SMPS CIRCUIT
(CN5801)
IN SCHEMATIC
DIAGRAM - 13
SA-PT250EE D-AMP CIRCUIT
G1
G2
G3
G4
G6
1/2
2/2
:+B SIGNAL LINE
:-B SIGNAL LINE
TO D-AMP
SECTION (1/2)
1
17
:MAIN SIGNAL LINE
15
16
17
18
19
20
21
22
23
24
25
26
27
28
15
16
17
18
19
20
21
22
23
24
25
26
27
28
A
B
D
E
F
H
G
C
C5051
0.1
C5052
0.1
0.1
C5050
C5053
0.1
2
4
3
1
G0B9R5K00003
L5001 
G0B9R5K00004
L5002
FL+
FL_+
FR-
FR+
FR_+
FL-
2
4
3
1
G0B9R5K00004
L5201
C-
C5250
0.1
C5251
0.1
C+
C_+
C5150
1000P
C5152
1000P
C5155
1000P
W5032
0
C5151
1000P
C5522
0.1
C5523
0.1
35V470
C5509
35V470
C5508
6
5
8
9
11
12
10
14
15
13
7
2
1
4
3
17
16
CN5050
VSSP
VDDP
C5020
0.1
C5008
0.015
220P
C5010
0.1
C5019
R5004
10
R5005
10
220P
C5012
35V1000 
C5513
L5500
J0JKB0000020
0.1
C5445
AGND
0.1
C5514
35V1000 
C5512
0.1
C5519
0.1
C5515
L5501
J0JKB0000020
C5518
0.1
5
6
1
3
4
2
8
7
H5500
63V47
C5040
VSSP
VSSP
C5510
35V470
C5511
35V470
C5521
0.1
10
R5010
VDDP
C5520
0.1
VDDA0
VDDP
0.1
C5018
C5030
220P
3
2
1
ZJ5400
C5450
0.1
C5004
0.47
R5002
5.6K
C5002
0.47
5.6K
R5000
C5001
1000P
330P
C5006
C5025
0.1
C5024
0.1
10
R5011
OSC
IN+_FR
IN+_FR
IN+_FL
IN+_FL
IN+_SW
VSSA0
C5014
0.68
C5015
0.68
R5006
22
R5007
22
R5031
5.6K
C5016
0.1
R5030
5.6K
0.1
C5017
2
4
3
1
L5000
G0A150L00003
C5000
1000P
5.6K
R5003
0.47
C5005
1000P
C5032
R5008
100
C5007
330P
R5001
5.6K
C5003
0.47
2
4
3
1
220P
C5011
0.1
C5023
0.1
C5021
C5028
0.1
C5027
0.1
16V10
C5602
C5031
0.22
C5009
0.015
220P
C5013
19
21
23
22
20
10
2
1
3
7
8
9
4
5
6
12
15
14
17
18
16
13
11
C5022
0.1
AUDIO DIGITAL POWER AMP
MODE1
MODE2
SGND1
OUT1
VSSP1
PROT
VDDP1
BOOT1
OUT2
BOOT2
VSSP2
VSSD
VSSA2
VDDP2
STABI
VSSA1
AGND
AGND
SUBWOOFER
FRONTL
FRONT R
SIGNAL A_GND
SURROUND L
AGND
CENTER
AGND
SURROUND R
IN1-
VDD
GND
VSS
VDD
GND
OSC
IN1+
FAN DC
FAN_DC
FAN GND
FAN_GND
VSS
VDDA1
MUTE S_C (MODE 1)
MUTE F_SW (MODE 2)
MUTE_S
MUTE_F
MOD_DA
MOD_DA
FHOP
NC
DC_DET
DC_DET
IN2+
MODE
SGND2
IN2-
VDDA2
IC5000
C1BA00000487
C5154
1000P
C5153
1000P
0.1
C5402
220P
C5411
0.1
C5410
0.1
C5409
C5421
0.22
0.015
C5422
C5403
0.1
220P
C5425
R5405
10
220P
C5426
63V47
C5440
220P
C5407
C5418
0.1
C5424
R5402
10
330P
C5412
R5118
5.6K
C5120
C5117
1000P
R5119
5.6K
C5121
0.47
C5419
0.1
C5413
0.1
C5423
220P
C5416
0.1
VDDA4
VDDP
R5410
10
R5411
VSSP
VSSA4
OSC
IN+_SR
IN+_SL
10
C5119
1000P
0.47
C5107
R5104
5.6K
R5103
5.6K
C5106
330P
C5404
C5405
0.1
0.015
0.47
C5406
0.1
19
21
23
22
20
10
12
15
14
17
18
16
13
11
OUT1
VSSP1
OUT2
VSSD
BOOT2
VSSP2
VSSA2
VDDP2
STABI
IN2+
MODE
SGND2
IN2-
VDDA2
2
3
5
6
1
7
8
9
4
SGND1
BOOT1
VSSA1
PROT
VDDP1
IN1-
OSC
IN1+
VDDA1
0.47
C5452
0.1
C5451
0.1
SR-
SL-
SR+
2
4
3
1
SL+
C5454
0.1
C5453
0.1
2
4
3
1
MODE1_2
SR_+
FL_-
SL_+
R5037
5.6K
R5419
22
C5400
0.68
C5427
0.1
R5036
5.6K
R5400
22
C5401
0.1
2
4
3
1
L5400
G0A150L00003
C5428
0.68
R5404
100
C5431
1000P
IC5400
C1BA00000487
AUDIO DIGITAL POWER AMP
G0B9R5K00003
L5401
G0B9R5K00004
L5402
IN+_SR
IN+_C
IN+_SL
K5405
0
SA-PT250EE
90
H1
H2
H4
H5
H
SCHEMATIC DIAGRAM - 13
SMPS CIRCUIT
SA-PT250EE SMPS CIRCUIT
1/2
2/2
:+B SIGNAL LINE
:-B SIGNAL LINE
G
TO
D-AMP CIRCUIT
(H5500)
IN SCHEMATIC
DIAGRAM - 12
B
TO
MAIN CIRCUIT
(CN2004)
IN SCHEMATIC
DIAGRAM - 8
TO SMPS
SECTION (2/2)
H8
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
2
3
1
IC5701
C5HACYY00003
SWITCHING REGULATOR
0
R5725
3
1
2
B0HBSM000043
D5801
R5834
2.2K 
32
1
ZJ5801
2.2K 
R5832
+30V_SENSE
FAN_18V
10K
R5863
DCDET
10K
3K
R5862
FAN_18V
C5823
0.1
-30V_SENSE
10K
R5864
DCDET
B1GBCFJN0033
QR5801
-30V_SENSE
R5801
12K
D5807
B0ACCK000005
+30V_SENSE
R5800
10K
R5860
Q5860
10K
0.1
C5831
0.1
C5832
5
6
1
3
4
2
8
7
CN5801
B1ADCF000001
Q5860
C5800
0.01
C5826
0.01
Q5862
R5861
Q5861 - Q5862
Q5861
B1ABCF000176
68K
R5703
68K
R5706
68K
R5702
35V2200
C5805
B0HFRJ000012
D5803
35V2200
C5808
C5819  0.01
C5822
 0.01
22
R5720
D5731
B0EAMM000057
3
2
1
D5702
B0ZAZ0000052
C5713
0.01
3
2
1
ZJ5803
C5700
F1BAF1020020
1000P
EST42BN1A6AD
MAIN TRANSFORMER
C5821
 0.01
C5820
 0.01
35V470
C5824
SYNC
SYS6V
2.2K
R5805
15K
R5806
A
R
3
2
C
1
C0DABFC00002
SHUNT REGULATOR
FEED BACK CONTROL
FEED BACK
INVERTER
CURRENT
LIMITING SWITCH
CURRENT
LIMITING SWITCH
FEED BACK
IC5801
0.1
C5818
-13V
DCDET
0.1
C5815
C5812
0.1
DC_18V
270
R5803
47K
R5804
0.1
C5810
2.7K
R5802
C5896
0.1
6
8
9
7
2
1
4
5
3
10
11
CN5802
PCONT
B1GBCFLL0037
QR5810
330
R5809
330
R5807
1K
R5730
B0BC6R100010
D5725
2.2K
R5808
4
3
1
2
B3PBA0000402
PC5720
R5817
330
R5810
330
4
3
1
2
B3PBA0000402
PC5701
1.5K
R5811
0.1
C5825
1.5K
R5816
8.2K
R5812
B0BC7R500001
D5806
SYS6V
-30V_SENSE
+30V_SENSE
2.7K
R5815
24K
R5813
Q5802
Q5802
B1ABCF000176
120
R5724
DC_18V
3
1
2
B0HBSM000043
D5802
-13V
FAN_18V
35V470
C5816
B0EAMM000057
D5805
D5804
B0EAMM000057
11
13
14
12
10
8
6
5
7
9
18
15
16
17
1
4
3
2
T5701
C5813
35V1000
R5722
1K
C5722
1000P
C5723
470P
220P
C5721
R5729
10K
R5750
0
C5728
1000P
R5728
100K
D5724
D5727
B0ACCK000005 B0ACCK000005
R5732
100
R5726
0.82
B1ABCF000176
Q5722
10K
R5721
D5722
B0BC01700015
B0ACCK000005
D5723
C5720
0.1
B0EAMM000057
D5729
B0BC01700015
D5721
D5726
B0EAKM000117
SWITCHING
1K
R5723
B1ADCF000001
Q5721
B0ACCK000005
D5728
2SC3940ARA
Q5720
Q5720
Q5722
D
C5727
470P
C5726
0.1
C5730
50V1
C5724
D5732
B0BC035A0007
50V56
R5733
47K
R5731
0
C5725
0.1
S
GND
FB
VCC
OLP/SS
OCP/BD
+30V_SENSE
PCONT
DC18V
AM_BP
-13V
DCDET
DC18V
+18V.-12V_GND
+18V.-12V_GND
GND
GND
-30V_SENSE
FAN_GND
FAN_13V
-30V_SENSE
SYS6V
SYNC
SYS_GND
+30V_SENSE
4
5
7
6
TRANSFORMER TEMP DETECT
TRANSFORMER TEMP DETECT
DC DETECT
C5869
0.1
TH5860
D4CC11040013
PCONT
8.2K
R5814
100V0.22
C5817
W5012
0
W5706
0
W5710
0
W5002
0
W5000
0
W5006
0
W5707
0
W5001
0
VIN
DRAIN
+30V
-30V
+FAN 18V
GND
+18V
AMPGND
-12V
W5009
0
W5007
0
W5010
0
SA-PT250EE
91
H1
H5
H2
H4
H8
1/2
2/2
SA-PT250EE SMPS CIRCUIT
H
SCHEMATIC DIAGRAM - 14
SMPS CIRCUIT
:+B SIGNAL LINE
:-B SIGNAL LINE
TO SMPS
SECTION (1/2)
15
16
17
18
19
20
21
22
23
24
25
26
27
28
15
16
17
18
19
20
21
22
23
24
25
26
27
28
A
B
D
E
F
H
G
C
GRY
WHT
SYS6V
680
R5895
400V180
C5712
6
7
5
2
4
3
8
1
IC5799
MIP4110MSSCF
1000V47P
C5797
R5795
43K
D5797
D5797
MA2J72800L
22P
C5794
R5787
75K
2.2K
R5796
50V2.2
C5791
0.1
C5796
1000P
C5795
R5797
4.7K
C5703
0.1
ECQU2A104MLC
3
2
1
4
B0FBAR000041
D5701
330
R5894
1.2K
R5893
SYNC
C5899 16V220
D5730
B0ACCK000005
D5798
B0EAMM000057
390K
R5704
390K
R5705
R5798
10
C5798
50V56
4
3
1
2
PC5702
B3PBA0000402
4
3
1
2
B3PBA0000402
PC5799
100
R5897
Q5898
B1ABCF000176
R5896
100K
C5897
0.1
2.2K
R5890
B0EAMM000057
D5896
D5897
D5897
B0BC3R700004
Q5899
Q5899
B1ABCF000176
B0EAKB000004
D5793
C5790
2200P
R5891
4.7K
68K
R5786
9
10
7
8
1
6
ETS19AB236AG
BACKUP TRANSFORMER
SWITCHING REGULATOR
T5751
560
R5892
0.1
C5898
CURRENT
INVERTER
SYNC SWITCH
FEED BACK
LIMITING SWITCH
FB
S
S
D
NC
VDD
CL
VCC
5
4
2
3
I
TO
AC-INLET
CIRCUIT 
IN SCHEMATIC
DIAGRAM - 16
W5011
0
W5708
0
W5004
0
SA-PT250EE
92
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