Read Panasonic SA-PT70EE / SC-PT70EE Service Manual Simplified online
17
P1
P1
AA
AB
AC
AD
TO MAIN/D-AMP
SECTION (2/6)
TO MAIN/D-AMP
SECTION (6/6)
SA-PT70EE MAIN/D-AMP CIRCUIT
2/6
3/6
5/6
1/6
4/6
6/6
B
MAIN/D-AMP CIRCUIT
SCHEMATIC DIAGRAM - 8
: +B SIGNAL LINE
: -B SIGNAL LINE
: AUX/MUSIC PORT AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: FM SIGNAL LINE
29
30
31
32
33
34
35
36
37
38
39
40
41
42
A
B
D
E
F
H
G
C
SP_SL-
C567
1000P
R506
3.3
0
K157
SP_CENT+
C479
0.033
SP_SUB+
SP_SUB-
PWM_SUBW-
OTW
SD
R444
10
C425
0.1
SP_CENT-
3.3
R466
C185
1000P
R524
100K
C184
1000P
B1ABCF000011
Q500
B1ABCF000011
Q501
R523
100K
R521
100K
R520
100K
33K
R522
SP_PROTCT
C164
1000P
3.3
R467
C445
0.01
50V10
C548
C163
1000P
C444
0.01
C490
0.1
C429
0.1
SP_FL+
3.3
R464
3.3
R465
C186
1000P
SP_FL-
0.1
C501
5.6K
R502
C162
1000P
1000P
C161
C443
0.01
2
4
3
1
G0B9R5K00003
L414
C442
0.01
C496
25V470
C500
0.47
0.1
C502
G0A100H00018
L406
C497
0.1
C493
0.1
C491
1
1
C494
SP_FR+
C183
1000P
R528
100K
C181
1000P
C182
1000P
100K
R525
R527
100K
R526
100K
C492
0.033
0.1
C481
R443
10
C426
0.1
10
R445
C427
16V10
PWM_FL+
PWM_FL-
R448
100
R449
100
R446
10
R447
10
R428
10
R427
10
C423
0.1
C566
1000P
0.033
C464
SP_CENT-
C460
0.1
C477
0.1
SP_SUB-
3.3
R468
R501
5.6K
G0A100H00018
L418
C486
0.1
C166
1000P
C165
1000P
C446
0.01
C480
1
C478
0.1
G0A100H00018
L419
C485
0.47
C487
0.1
2
4
3
1
L412
G0B9R5K00003
C505
25V470
C482
1
C424
0.1
PWM_SUBW+
R442
100
C470
0.033
R441
22K
R440
100
R429
100
5.6K
R500
SP_CENT+
L410
G0A100H00018
G0A100H00018
L417
SP_SUB+
3.3
R469
C473
0.1
C462
0.1
1
C466
C471
0.47
2
4
3
1
L413
G0B9R5K00003
C472
0.1
25V470
C467
C461
0.1
1
C463
C476
0.033
43
11
9
10
34
36
35
35
12
33
6
7
7
5
39
38
38
41
40
40
8
37
23
22
20
18
16
14
13
15
17
19
31
32
28
26
25
25
27
30
29
29
21
24
3
4
4
2
1
42
44
IC403
DIGITAL AMPLIFIER
C1AB00003217
IC405
DIGITAL AMPLIFIER
C1AB00003217
C447
0.01
PWM_CENT-
PWM_CENT+
SP_FL+
SP_FR-
PWM_FR+
3.3
R496
0.1
C522
C508
0.1
G0A100H00018
L408
C515
1
C430
0.1
3.3
R497
SP_FR+
C192
1000P
0.033
C510
R452
10
R453
10
SP_FL-
C191
1000P
PWM_FR-
R451
100
C516
1
C509
0.1
C449
0.01
R503
5.6K
G0A100H00018
L409
0.1
C523
C520
0.47
C167
1000P
C448
0.01
2
4
3
1
G0B9R5K00003
L415
C519
25V470
C168
1000P
VALID
C431
0.1
C432
0.1
10
R454
C433
16V10
C454
0.01
C190
1000P
1000P
C169
0.01
C450
SP_SR-
SP_SL+
SP_SL+
1000P
C170
3.3
R499
C187
1000P
C514
0.1
3.3
R498
C189
1000P
C188
1000P
SP_SR+
SP_FR-
R450
22K
C498
0.033
C507
0.033
C455
0.01
1000P
C171
R507
3.3
C172
1000P
C456
0.01
G0A100H00018
L407
1
G1
8
9
9
11
10
12
5
6
6
2
4
3
7
G2
JK401
GND
GND
CHASSIS
FRONT_R-
C-
FRONT_R+
FRONT_R+
SR+
SL-
SL+
SR-
FRONT_L+
FRONT_L-
FRONT_L-
SW-
NC
OUT_C
BST_C
OUT_D
GND_C
GND_D
GND_D
NC
OUT_A
BST_A
BST_B
GND_A
OUT_B
GND_B
SW+
BST_D
PVDD_D
PVDD_D
PVDD_D
PVDD_A
PVDD_B
GVDD_A
PVDD_A
PVDD_C
GVDD_D
C+
NC
M2
NC
NC
M3
M1
GND
NC
VDD
VDD
VREG
AGND
PWM_B
PWM_D
PWM_C
SD(L)
PWM_A
PWM_A
OC_ADJ
GVDD_B
OTW(L)
OTW(L)
GVDD_C
RST_AB(L)
RST_CD(L)
43
11
9
10
34
36
35
35
12
33
6
7
7
5
39
38
38
41
40
40
8
37
23
22
20
18
16
14
13
15
17
19
31
32
28
26
25
25
27
30
29
29
21
24
3
4
4
2
1
42
44
NC
OUT_C
BST_C
OUT_D
GND_C
GND_D
GND_D
NC
OUT_A
BST_A
BST_B
GND_A
OUT_B
GND_B
BST_D
PVDD_D
PVDD_D
PVDD_D
PVDD_A
PVDD_B
GVDD_A
PVDD_A
PVDD_C
GVDD_D
NC
M2
NC
NC
M3
M1
GND
NC
VDD
VDD
VREG
AGND
PWM_B
PWM_D
PWM_C
SD(L)
PWM_A
PWM_A
OC_ADJ
GVDD_B
OTW(L)
OTW(L)
GVDD_C
RST_AB(L)
RST_CD(L)
TO SPEAKERS
SWITCH
SWITCH
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