Read Panasonic SA-PT70EE / SC-PT70EE Service Manual Simplified online
20
1
2
3
4
AA
AD
AC
AB
P1
TO MAIN/D-AMP
SECTION (5/6)
TO MAIN/D-AMP
SECTION (3/6)
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 - 11
: +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
I
J
L
M
N
P
O
K
K2
0
K10
0
K13
0
C553
1
C574
0.1
SP_SR+
G0A100H00018
L405
G0A100H00018
L404
C559
0.1
C557
0.47
SP_SR-
C554
25V470
PWM_SR+
R460
100
PWM_SR-
R461
10
R462
10
C550
0.033
C552
1
C558
0.1
R505
5.6K
2
4
3
1
L411
G0B9R5K00003
C436
0.1
C546
0.1
C551
0.1
SP_FL+
SP_SUB+
SP_FR+
5.6K
R184
5.6K
R176
5.6K
R175
0.1
C802
0.1
C803
R463
10
C438
0.1
C437
0.1
16V33
C441
C512
0.1
C439
16V10
OTW
SD
IC404
DIGITAL AMPLIFIER
C1AB00003217
C434
0.1
VALID
R455
10
PWM_SL+
R456
10
100K
R530
100K
R532
100K
R531
100K
R529
C526
0.1
SP_SL-
C527
0.033
C547
0.033
C536
0.47
0.1
C540
G0A100H00018
L403
G0A100H00018
L402
25V470
C533
5.6K
R504
2
4
3
1
L416
G0B9R5K00003
SP_SL+
C537
0.1
R458
100
R457
100
PWM_SL-
C531
1
C528
0.1
1
C532
C529
0.1
R459
22K
C530
0.033
GND
50V1
C151
D119
B0ACCK000005
220K
R179
C158
0.1
100K
R168
C153
0.1
G0A200D00002
L400
R178
47K
Q116
B1ADBL000010
Q114
B1ABCF000011
R587
56K
220K
R180
4.7K
R236
D118
B0ACCK000005
0
K159
L421
J0JKB0000020
L422
J0JKB0000020
C150
25V1000
SP_PROTCT
3
2
1
2
1
ZJ159
D402
B0ACCK000005
DC_DET2
ECO_DAMP
HEATSINK
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)
DC DETECT
SWITCH
K21
0
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