Panasonic SA-DT300E, Руководство по обслуживанию

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SA-DT300(E,EB,EG) MAIN CIRCUIT DIAGRAM
C621
1
1 20 3 2 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 11 1 3 2 4 5 6 7 8 9 10
CL
DO
DI
Lch
IN
CE
Rch
IN
NC
+B(2) SD
NC
T
.GND
CP301
IC301
BU4053BCFE2
SIGNAL SELECTOR
IC601
C2HBZC000013
DIGITAL SIGNAL
PROCESSOR
A
R416
8.2K
F
R415 8.2K
H
R355 47K
I
R404 47K
E
A B
B
R408
5.6K
R407
5.6K
R409
3.9K
R410
3.9K
R413
22K
A
R412
6.8K
R419
5.6K
R422
2.2K
R421 100K
C346
0.1
G
CN301
SYNC CD
REQ
CT
.GND
CS
DC10V
D.GND SCLK D
ATA
AMP
REQ
V
.GND
SUB CNT AMP
PWR
MIX
Rch
IN
MIX
Lch
IN
FR
IN
A.GND
FL
IN
SR
IN
SL
IN
R621
1K
C646
50V1
R622 1K C647 50V1
R41
1
6.8K
R414
22K
R418
2.7K
R417
2.7K
R406
33K
R405
33K
CCH CCH
GND
SMCH SMCH
DATA LATCH CLOCK
POR
T1
POR
T2
POR
T3
POR
T1
POR
T2
POR
T3
AV
DD
OUT PUT PORT
DGND
AV
DD
Lch
Lch
GND3 GND2 Rch
Rch
AVss
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22
1
DV
DD
R523
4.7K
R521
4.7K
R520
4.7K
C528
0.1
D501
MAZ80510LL
C515
16V10
R512
12K
C516
220P
R527
3.3K
C512
1
R503
100K
R510
0
C51
1
16V10
C506
16V10
C507
220P
R506
12K
R508
3.3K
C502
1
R502
22K
IC501
M62444FPE1
SOUND CONTROLLER
(VOLUME CONT.)
C520
16V10
R516
12K
C519
100P
R515
3.3K
C508
16V10
R507
12K
C505
100P
R51
1
3.3K C501
1
C605
50V1 R604
1K
C603
50V1 R602
1K
C
C
R420
1K
C633 1
C635 1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
XI
XO
VDX
GND
X
VDA12
NC GND
A1
AI1 AO1 NC AOT1 NC
GND
AR
AOT2 AO2 NC AI2 GND
A2
NC VRO1 VRI NC VRO2 GND
A3
AI3
AO3
AOT3
VDA34
NC
AOT4
NC
AO4
AI4
NC
GND A4
NC
V
DD
R
GND R
SYNC
ELR I/ O
EBC
I/
O
NC
DIN2
NC
DIN1 DIN0
NC
DOUT
V
DD
/
RST
NC
/C
S
IFCK
IFDI
IFDO
NC
/
ERR
I2CS
GND
TST0 TST1
NC NC NC
LIN4
LIN3
LIN2
LIN1
RIN4
RIN3
RIN2
RIN1
NC
GNDAL
OUTL
VRAL
VDAL
VDAR
VRAR
OUTR
C602
50V1 R601
1K
R603
1K
C604
50V1
L
M
C606
50V4.7
C648
0.1
R605
47
C609
0.01
C608
1
C607
50V4.7
C616
0.1
C625
0.01
C615
6.3V100
C632
0.01
R607
220
X601
(36.86MHz)
R606
1M
C610
5P
C612
12P
C613
1
C628
6.3V100
C629
6.3V47
C631
6.3V100
C624
0.1
R430
22K
R429 4.7K
R428
22K
A B
R427 4.7K R519
390
C504
0.1
N
C531
50V2.2
C525
50V3.3
C517
1
R504 100K
R382
100
C356
0.1
R526 100K
C643
1
R620
1.2K
C640
2200P
R617
270
R525 100K
C644
1
R619
1.2K
C639
2200P
R618
270
A
B
A
B
U V W X
C514
50V3.3
C527
0.01
f
g
R528
22K
i
j
k m
R529
22K
R530
22K
n
p
q
C522
47P
F
I
R613
270
R609
270
R614
1.2K
R610
1.2K
C618
16V10
C619
16V10
C622
2200P
C617
2200P
N
C637
0.01
C641
1
L603
C614
0.01
C626
10V220
C630
1
L602
R615
100K
R616
4.7K
C623
0.022
R612
330
C611
0.022
R608
330
R61
1
330
L604
L
C601
6.3V100
L601
C B A
X0 X1 V
DD
G
Vss INH Z0 Z1 Y1 Y0
16 15 14 13 12 11 10 9
1 2 3 4 5 6 7 8
I J K L
F E D
M
O
H
RJ42
0
RJ14
0
RJ15
0
RJ18
0
RJ41
0
A
A
B
B
RJ11
0
RJ6
0
t
RJ74
0
RJ7
0
RJ48
0
RJ50
0
RJ13
0
RJ12
0
RJ10
0
C620
0.01
C357
0.1
C
SCHEMATIC DIAGRAM-2
MAIN CIRCUIT
G H
To SL-DT300 or SL-DT100 (CN1)
To TUNER CIRUIT(CP301)
on SCHEMATIC DIAGRAM-10/9-A
A
B
r
4.7V
1.5V
1.2V
2.4V
2.4V 2.5V
4.9V
2.5V 2.4V 4.9V 2.5V
2.5V
2.4V 2.3V
2.4V
2.4V
2.5V
4.9V
2.5V
2.4V
2.4V
4.9V
4.9V 5.2V
5.2V 0V 0V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
4.9V
4.9V
2.5V
0V 0V 0V 0V 0V -6.2V
4.8V 4.8V 4.8V 0V 0V 0V 0V 4.9V
0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 5V 5.8V 5.8V 5.8V
5.7V 0V 5.7V -6.3V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 5.8V
5V
-6.2V
9V
10V
5.8V
0.8V
P-P
F=1MHz
FM/ AM
3.5V
P-P
F=1MHz
FM/ AM
:NEGATIVE VOLTAGE LINE
:POSITIVE VOLTAGE LINE :AUDIO SIGNAL LINE :FM SIGNAL LINE :AM SIGNAL LINE