R462
10K
R457 2.2K
R456 2.2K
+B(5)
+B(3)
SD
DET
GND
CL
DO
DI
Lch OUT
CE
Rch OUT
TUNER PACK BLOCK
1
19
3
2
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
IC451
M38503M4254F
SYSTEM CONTROL
IC453
TC74HCT7007A
INTERFACE
1 2 3 4 5 6 7 8 9 10
CP201
CN702A
CN100
D453
RL1N4003N02
A
D
A
B C D E
R498
220
A C B
REST
SW
/RST
S
TAT
SUBQ
SQCK
BLKCK
SPEED
MLD
M
D
ATA
MCLK
P
.GND
+B(1)
TX
LD SW
D.GND
+B(2)
Rch IN
A.GND
Lch IN
1
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
Vss
X OUT
X IN
XC OUT
XCI
CN Vss
P22
P23
P24/ RXD
P25/ TXD
P26/ CLK
P27/
CNTR0
P41/ INT0
P41/ INT1
P43/ INT2
P44/ INT3
A
Vss
VREF
Vcc
P17
P16
P15
P14
P13
P12
P1
1
P10
P07
P06
P05
P04
P03
P02
P01
P00
P34
P33
P32
3.3V MON
P30
RESET
P40/
CNTR1
C A
G
F
D
E
B
H
J
K
I
A
B
C
14
13
12
11
10
9
7
6
5
4
3
2
1
Y5
A5
Y4
A4
Y3
A3
Vcc
Y0
A0
Y1
A1
Y2
A2
GND
8
F
C
P L O Q M
C
E
B
A
D
E
H
G
I
J
F
To CD SERVO CIRCUIT(CN702)
on SCHEMATIC DIAGRAM
-
2
A
J K
E B
Lch IN
Rch IN
A.GND
Lch OUT
Rch OUT
+B(3)
D.GND
MO+B
MO.GND
M.GND
To MECHANISM CIRCUIT(H1100)
on SCHEMATIC DIAGRAM
-
6
B
R239 2.2K
R240 2.2K
R257 1K
R258 1K
R465 1.5K
R464 1.5K
R466 1.5K
R458
2.7K
R459
2.7K
R460
2.7K
R455
10K
C452
0.01
R499
220
R474 1K
R473 1K
R471 1K
R470 1.5K
R437
2.7K
R467 1K
R489
22K
C453
0.022
R468
100K
R475 220
R487
10K
L452
10 H
R472 10K
R476 220
R477 220
R478 220
R479 220
R480 220
R469
220
R483
4.7K
R484
47K
R486
4.7K
R482
4.7K
R481
4.7K
R485
4.7K
R488
220
R463
680
X451
(8MHz)
SCHEMATIC DIAGRAM
-
12
R234 4.7K
C236
0.01
R438 6.8K
11
3
2
4 5 6 7 8 9 10
1
RAL201
C406
330P
R453
100K
R454
4.7K
R436
4.7K
3
1
2
C457
6.3V47
C456
0.01
C458
0.1
:NEGATIVE VOLTAGE LINE
:POSITIVE VOLTAGE LINE
:CD SIGNAL LINE
5.1V
5V
0V
0V
5V
5V
0V
0V
5V
5V
0V
0V
5V
5V
0V
0V
0V
0V
5V
5V
0.1V
0V
3.2V 5.1V 5.1V 5.1V
0V
0V
0V
3.2V
5V
5V
4.7V 4.7V 2.1V
0V
5V
2.5V 2V
0.6V
0V
3.3V 0V
5V
5.1V 4.9V
2.1V 2.4V
0V
0V
1.3V
0V
1.5V 2.4V 0.3V
0V
0V
0V
1.3V
0V
1.5V 2.4V 0.3V
0V
5V
5V
2.1V
0V
2.5V
2V
0.5V
3.3V
5V
3V
4.7V
0V
0V
3.2V
5V
0V
0V
0V
0V
0V
0V
0V
0V
5V
0V
3.2V
0V
3.3V
-
7.7V
14.8V
7.7V
14.2V
38
SA-AK78
Summary of Contents for SA-AK78
Page 6: ......
Page 7: ...7 SA AK78 ...
Page 34: ...34 SA AK78 ...
Page 57: ...16 Wiring Connection Diagram 57 SA AK78 ...
Page 58: ...58 SA AK78 ...
Page 59: ...17 Troubleshooting Guide 59 SA AK78 ...
Page 61: ...18 1 1 Deck Mechanism Parts Location 18 1 Mecanismo do Deck Montado RD JMD034 Z 61 SA AK78 ...
Page 62: ...62 SA AK78 ...
Page 64: ...18 2 CD Loading Mechanism RD DAC024 Z 18 2 1 CD Loading Mechanism Parts Location 64 SA AK78 ...
Page 65: ......
Page 67: ...18 3 1 Cabinet Parts Location 18 3 Cabinet 67 SA AK78 ...
Page 68: ...68 SA AK78 ...
Page 69: ......