Panasonic SA-XH70GW / SA-XH70EE / SC-XH70EE Service Manual ▷ View online
101
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
C
D
B
E
G
H
F
E
SMPS CIRCUIT
SCHEMATIC DIAGRAM - 17
SA-XH70EE/GW SMPS CIRCUIT
2/2
1/2
TO SMPS
CIRCUIT (1/2)
CIRCUIT (1/2)
1
2
3
4
: +B SIGNAL LINE
: -B SIGNAL LINE
3
2
1
3
2 1
3
2
1
R5703
D0GB824JA008
820K
0.1
F0CAF104A105
C5703
R5704
D0GB824JA008
820K
~
-
~
3
2
4
+
1
B0EBNR000045
D5701
C5709
400V68
ZJ5702
R5702
D0GB824JA008
820K
F1
D4CAA5R10001
TH5702
F0CAF104A105
C5702
0.1
3
2
4
1
G0B453G00003
L5702
C5705
F1BAF1020020
1000P
DZ5701
ERZVA5Z471
3
2
4
1
R5701
D0GB824JA008
820K
G2
G1
ZA5703*
HEATSINK
G2
G1
ZA5803*
HEATSINK
R5842
560
C5721
220P
C5724
25V1000
R5843
2.2K
3
1
2
B0HBSM000054
D5706
Q5841
B1GBCFGG0025
1
C5843
G1C220MA0172
R5716
R5711
100K
R5710
100K
C5711
1000P
F1BAF1020020
C5706
1000P
B0EAKT000063
D5702
47
R5726
C5729
0.01
D5703
B0EAMM000057
9
8
15
13
14
16
10
11
12
3
1
7
5
ETS35BL146AC
MAIN TRANSFORMER
T5701
D
S
G
Q5701
B1KAB0000021
50V4.7
C5716
CURRENT LIMITING
SWITCH
330
R5728
C5715
0.1
B0BC02700039
D5705
0.01
C5720
3.3M
R5721
1K
R5718
4.7
R5715
C5714
0.22
R5717
33K
R5719
3.3M
R5720
3.3M
6
7
5
2
4
3
8
1
IC5701
C0DBZYY00448
SWITCHING MODE POWER
SUPPLY CONTROL
R5714
10
D5704
B0JCME000035
ZJ5701
0.22
C5717
C5718
0.1
C5719
0.22
82K
R5722
4
3
1
2
B3PBA0000503
FEEDBACK
PC701
TH5701
D4CC11040013
R5723
10K
R5724
180K
R5713
0.11
T3.15A 250V
NC
+24V
VIN
PROT
CTRL
VINS
OPTMR
NC
NC
NC
GND
VCC
VCC
GND
ISENSE
DRIVER
DC DETECT
C5704
F1BAF1020020
1000P
G0B722G00002
L5701
12
TL
220V ~ 240V 50Hz
AC IN
P5701
NOTE: “ * ” REF IS FOR INDICATION ONLY
K5...EE
0
K1*...EE
K8...GW
0
K2*...GW
K3*...GW
FOR GW
FOR EE
102
18 Printed Circuit Board
18.1. Backend P.C.B.
1
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
10
1
12
13
A
BACKEND P.C.B. (REP4757B)
SA-XH70EE/GW
BACKEND P.C.B.
(SIDE A)
(SIDE B)
0680C
0680C
0680C
0680C
PbF
PbF
B
C
E
C8003
C8006
C8007
C8008
C8055
R8051
C8056
C8057
C8012
C8052
C8053 C8054
R8324
R8323
LB8317
D8301
R8322
R8321
R8601
Q8565
C8051
R8010
K8102
FL8102
C8022
C8002
K8251
C8016
K8252
LB9003
C8010
C8018
C8023
C8032
C8033
R8260
R8259
C8028
C8029
R3910
LB3910
C8034
C3971
R3900
R3958
C3972
C3967
IC3953
C3968
R3955
LB3909
C3970
R3956
R8102
C8112
C8151
C8111
IC8111
C8606
R8534
R8556
R8554
Q8552
C8561
C8551
R8536
C8264
R8267R8268
R8266
Q8562
R8564
R8566
IC9006
C9006
R8264
R8265
R8258
IC8606
D8101
D8102
R8535
R8101
R3959
LB3902
R8602
IC8051
K3903
K3902
K3901
RX8012
IC8001
C8013
RX8013
RX8011
R8011
RX8401
RX8016 RX8014
RX8015
RX8402
R8401
R8402
LB8401
C8014
LB3906
LB3905
LB3904
LB3903
RX8017
LB8011
R8621
R8622
C8302
L8302
C8528
C8301
R3907
R3905
R3903
R3902
C8566
L8552
LB8691 LB8692
IC8251
C8553
C8563
LB8121
C8121
C8017
R3949
R3950
C3944
Q3901
Q3904
R3942
P3901
HDMI
AV OUT
(ARC)
LB9002
R9002
R9001
R8652
C8651
LB8651
C8652
R8651
R8654
R8569
C8009
R8229
C8021
R8050
C8020
C8230
C8228
C8222
C8226
R8221
R8225
R8227
R8653
X8621
LB8001
C8001
FL8103
FL8101
FL8104
R8411
C8401
L8401
R3904
C8019
R3906
R3901
C3901
C3902
LB3901
C8512
C8511
C8027
Q3902
C8621
C8622
R8253
R8254
R8254
R8255
R8256
D8251
Q3903
C8263
R8404
L8251
L8252
C8011
C8251
C8252
R8262
R8261
C8058
K8301
R8311
LB9001
LB8301
IC8651
C8256
L8550
LB8561
R8538
C8530
RX8532
R8542
LB8532
RX8531
R8537
LB8531
C8533
LB8530
R8531
R8532
LB8551
FP8101
RX8018
RX8019
R8263
FP9001
R8103
R8104
C8101
LB8012
C8024
LB8051
IC8112
C8113
C3945
R3957
K3904
C3956
C3954
R3947
C3955
IC3952
FP8531
(TO OPTICAL
PICKUP UNIT
(DVD MECHANISM
UNIT BRS1D))
FP8252
(TO LOADING PCB
(DVD MECHANISM
UNIT BRS1D))
FP8251
(TO TRAVERSE PCB
(DVD MECHANISM
UNIT BRS1D))
C2823 R8325
L2802
R8326
1-GND
2-V
JK8301
VIDEO OUT
K8002
K8007
R9082
CL8012
CL8021
CL8017
CL8022
FP8001
(FOR FIRMWARE
DOWNLOAD)
FP8002
(FOR FIRMWARE
DEBUG)
1
5
4
3
2
1
5
4
3
2
CL8532
CL8531
CL8530
1
2
3
6
5
4
3
2
2
4
1
5
5
4
1
2
3
5
4
1
2
3
1
5
10
15
20
27
28
35
40
45
50
54
30
25
128
125
120
115
110
105
103
102100
95
90
85
80
75
70
65
64
60
55
50
45
40
39
38
35
30
25
20
15
10
5
1
28
25
20
15
14
10
5
1
29
30
19
15
10
5
1
1
4
5
8
1
5
3
2
4
1
5
7
9
3
15
17
19
21
11
13
20
22
10
12
14
16
18
2
4
6
8
24
23
1
5
3
2
6
4
50
45
40
35
30
25
20
15
10
5
1
1
5
4
3
2
1
4
5
8
B
C
E
B
C
E
B
C
E
G
D
S
G
D
S
G
D
S
5
4
1
2
3
CA
C
CA
B
C
E
103
18.2. Main P.C.B.
1
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
10
1
12
13
B
MAIN P.C.B. (REP4756BT)
SA-XH70EE/GW
MAIN P.C.B.
(SIDE A)
0729B
0729B
PbF
C803
R500
R501
R502
R503
R504
R505
C473
C472
C487
C486
C502
C501
C522
C523
C540
C558
K157
C567
R532
R528
R527
R525
R529
R530
R531
C802
C190
C182
C183
C184
C185
C186
C187
C188
C191
C192
C181
C189
R526
C537
C559
Q102
R102
C101
D101
R101
C808
C809
K301
C566
LB701
K102
C804
C805
C806
C807
R600
C600
C603
L600
LB600
C608
K158
R272
L290
K154
K155
K156
K153
K106
C219
C135
R232
R294
K107
K109
K304
R222
C139
C198
Q101
C197
R196
R195
Q100
R139
R141
R142
C210
C209
R223
C201
C207
C202
LB200
K105
K103
C205
C214
LB201
K104
C512
R157
D114
R156
C132
K101
K303
K600
C129
IC202
L100
K305
R144
R145
4
6
1
3
1
2
3
4
5
C
B
E
B
C
E
104
1
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
10
1
12
13
B
SA-XH70EE/GW
MAIN P.C.B.
(SIDE B)
MAIN P.C.B. (REP4756BT)
0729B
0729B
PbF
B
C
E
FM ANT
AUX
SURROUND
FRONT
SPEAKERS
CENTER
SUBWOOFER
IC403
C461
C462
C477
C478
C460
C476
C470
C498
C507
C481
C514
C509
C508
C497
C493
IC405
C530
C547
C547
C550
C526
HEATSINK
C551
C574
C546
C529
C528
IC404
JK300
C505
C467
C496
C533
C554
C158
Q116
R178
R587
Q114
C548
Q500
R523
R520
R521
R524
Q501
R300
R302
R468
R466
R467
R464
R465
R497
R496
R499
R498
R506
R507
C519
C423
R428
R427
R429
R440
R441
C424
R442
R443
R444
C425
R445
C427
R454
C431
C432
R452
R453
R451
C430
R450
R449
R448
R446
R447
C429
R463
C437
C438
R461
R462
R462
R460
C436
R459
R458
R457
R455
R456
C434
D402
R304
R311
C308
C309
C312
R307
R308
R309
R310
C313
IC300
C317
C315
C316
R326
R314
Q301
Q300
R312
R313
C100
C102
C610
C439
C433
R630
R632
R633
R614
R616
R615
C609
R613
R610
R609
R601
C604
C446
C447
C306
C444
C445
C304
C490
C448
C449
C450
C454
C455
C456
R631
C464
C510
R180
C443
C492
C479
R179
R522
C527
C442
L419
L418
L417
L410
L409
L408
L407
L406
L405
L404
L403
L402
C426
JK401
C328
R327
R328
R329
R330
R330
C702
C705
C707
C708
C329
R249
C307
C314
R315
R316
R317
R318
IC700
LB702
LB700
C704
C703
K700
R701
R700
C706
LB703
LB704
R702
R703
JK600
C601
IC600
R602
R603
R604
R605
R658
VA600
C605
C606
R606
C602
X60
0
C607
L125
C143
IC106
D116
R163
R164
C130
C131
R165
C141
R162
C138
R231
R411
R296
R295
R137
R136
R135
R152
D115
R131
L291
L292
R282
R283
R284
R285
R286
R287
R208
R207
R206
R205
R203
R202
R209
R210
R216
R235
R234
R228
R229
R247
R246
R242
R243
R217
R215
R214
R248
R241
R239
R200
LB202
R201
X201
C421
Q106
C150
D112
D111
D110
C200
IC201
R150
Q105
CN203
C142
CN100
C451
C453
C410
IC200
C441
C151
L427
C411
C409
C405
X400
C452
R435
R436
C412
C408
C404
R402
C403
C414
C402
C401
C400
R495
C407
C406
C415
C413
R414
C416
C417
C420
IC401
R404
R400
R401
R236
Q107
CN201
IC107
K400
L426
C419
C418
C471
R405
R425
R437
R438
RX205
RX201
RX202
RX203
RX403
RX404
RX401
RX204
RX405
RX402
R233
R250
R469
D203
R293
R291
R292
(TO uP DOWNLOADER)
CN202
1
2
4
6
8
9
7
5
3
10
44
40
35
30
25
23
22
20
15
10
5
1
44
40
35
30
25
23
22
20
15
10
5
1
44
40
35
30
25
23
22
20
15
10
5
1
3-LCH
2-RCH
1-GND
1-SW+
12-SL-
11-SL+
10-SR-
9-SR+
8-FL-
7-FL+
6-FR-
5-FR+
4-C-
3-C+
2-SW-
1615
10 9
8
5
1
16
15
10
9
8
5
1
1
20
17
16
15
12
1110
6
5
1
50
45
40
35
30
25
20
15
10
5
1
1
4
5
8
1
4
5
8
1
3
5
7
9
2
4
6
8
16
14
12
10
17
15
13
11
1
4
5
8
12
11
10
1
2
3
4
5
6
7
8
9
1
5
10
15
20
25
26
30
35
40
45
50
51
55
60
65
70
75
76
80
85
90
95
100
4
3
2
1
1
5
10
15
16
17
20
25
30 32
33
35
40
45
48
49
50
55
60
64
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
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