DAD & DSP
SHOCK PROOF
16M D-RAM
J103
REMOTE
(X) TYPE
ONLY
REPEAT
OFF
SW107
HOLD
ON
SW109
DOOR SW
ST.
ESP SW
OFF
(BOTTOM VIEW)
SW108
VOLUME
HEADPHONES
Rch
D301
Q301
Q305
D201
DRIVER
Q201
Lch
Q202
Q302
Q4
Q205
Q5
Q203
Q303
J102
PHONES
LINE OUT
J105
Q116
Q108
J101
DC-IN
BATTERY
BT1
Q106
BATTERY
BT
Q110
Q107
Q115
D112
D111
Q111
Q112
D115
D116
SW101
SW102
SW103
SW104
SW105
SW106
P. MODE
B B
D118A
D117
Q113
HIGH
ON
OFF
BASS
BOOST
IC1 : AN8838SB
IC2 : AN8789FB
IC3 : MN101C167
IC4 : MN662746RPK1
IC5 : SM5902AF
IC6 : MN41V17400CTT6
IC9 : NJM2073M
Q4,6,201,301
: 2SC3330
Q5,104,110,113,114
: 2SA1317
Q102
: 2SB598F
Q105,115
: 2SC4048-AC
Q106
: 2SC4481T
Q107,202,302
: 2SD734F
Q108
: 2SD1805F or
Q111,112
: 2SB926T
Q116
: 2SA1564-AC
Q203,205,303,305
: 2SC3860
D104,119,120
: SB-03A3-BT
D105,115-117,201,301
: GMB01-BT
D111,112
: IN-4001
D118A,122A : 1SS355
+2.8V
AVR
Q114
D119
D120
JP15A
0
GND LINE
SIGNAL LINE
B LINE
2SD1805G
40
39
38
37
36
35
34
16
17
18
19
20
21
22
A4
A5
A6
A7
A8
A9
NRAS
D
ATA
2
YFLAG
YFCLK
YBLKCK
NRESET
ZSENSE
VDD
33
32
31
30
29
28
27
26
25
24
23
NWE
D1
D0
D3
D2
NCAS
A10
YMCLK
YMDATA
YMLD
YDMUTE
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
PMCK
SMCK
RST
S
TAT
D MUTE
SUBQ
SQCK
BLKCK
TLOCK
FLOCK
SENSE
MLD
M
D
ATA
MCLK
TX
DVSS1
DVDD1
SRDA
T
A
LRCK
BCLK
PLA
Y
WVEL
ARF
IREF
DRF
DSLF
PLLF
DSLF2
A
VDD2
A
VSS2
EFM
PCK
CK176
SUBC
SBCK
VSS
X1
X2
VDD
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
SSEL
MSEL
PSEL
FSEL
RSEL
OUTR
AVSS1
OUTL
AVDD1
TEST
ARST
FLAG6
RESY
CRC
CLVS
FLAG
IPFLAG
FCLK
CLDCK
TRVSTP
220u6.3
+
0.022
C162A
1
R201A
1
100u6.3
+
47K
R301A
C163A
C166
1K
1K
C171
C172A
R183A
47
3
2
1
38
63
64
65
30
62
28
26
67
10
66
27
80
79
78
C177A
1
63
69
13
68K
R177A
0.22
C164A
820
R179A
180K
R178A
R180A
MHz
16.9344
C167A
20P
39P
C168A
X1
C169A
1
10
+2.8V
+2.8V
0.022
C305A
560K
R307A
R306A
15K
47K
R202A
C202
C302
R302A
47K
4.7u50
+
C303
C301A
C201A
4.7u50
+
C203
15K
R206A
R204A
VR101B
50K
300P
R320A
3K
C304
R304A
470
C320
4.7u50
+
+
47u10
8
7
100K
R303A
470
VR101A
300P
R220A
3K
50K
+
4.7u50
6
+
5
C220 47u10
C204
R203A 100K
+
C184
470u10
1
C306
+
220u6.3
560K
R207A
C205A
0.022
R309A
10
R322A 4.7K
10
R49A
220u6.3
2
4
3
C206
+
R209A
10
+2.8V
4.7u50
+
4.7K
R42A
C8
R311A
680
R222A
4.7K
10K
R55A
R41A
4.7K
R211A
680
100K
R69A
100
R310A
0.22
C307A
100
R210A
C207A 0.22
C321
1000P
1000P
C221
R321A
470
470
R221A
L
G
R
R
L
G
48
47
78
69
63
13
45
27
28
29
30
31
32
33
44
43
A8
VCC
13
A1
10
12
A3
11
A2
A0
9
A5
15
14
A4
18
A6
17
16
A7
GND
D1
6
7
8
3
NRAS
4
5
NWE
D0
1
2
VCC
D2
21
20
19
24
GND
23
22
NCAS
D3
26
25
40
39
38
37
36
35
34
A10
GND
A9
NC
NC
NC
31
30
27
32
41
42
43
44
29
28
35
36
37
38
39
40
33
34
4.7K
R505A
22Ou6.3
+
+
1.5K
+
22u16
22Ou6.3
C145
L105
33uH
1
100
3
2
5
4
3
2
L106 95uH
C147A
47P
1
R138A
10
C146
0.01
R134A
C148
C150
100u16
+
3
2
+4.8V
R137A
+2.8V
+4.8V
C9
33K
R61A
R59A
33K
220K
R57A
10K
R58A
1.5K
39
60
33
51
22K
R54A
22K
R56A
1
1
+4.8V
+4.8V
+4.8V
+4.8V
+4.8V
220
R65
1/4W
4.7K
R48A
330
R30A
1.2K
R31A
R32A
1.5K
R33A
1.8K
R34A
2.4K
R35A
3.6K
R38A
10K
R75A
1
3
2
10
R46A
+2.6V
+2.6V
+2.6V
+2.8V
+2.8V
+2.8V
+2.7V
52
+2.2V
+2.2V
+2.2V
+2.2V
+2.2V
C182A
1
R43A
10K
10K
R66A
2700P
2700P
+2.8V
+2.8V
+2.8V
+2.7V
+2.7V
+2.7V
+2.8V
+2.8V
+2.7V
C6A
0.1
+2.8V
+2.8V
16
20
21
17
52
6.8K
R29A
6.8K
R74A
22
23
1
C5A
+2.8V
+2.8V
+2.8V
+2.8V
+4.8V
+4.8V
R60A
+4.8V
Q205,305
R40A
+B
+B
+B
+B
R47A
10
C183A
1000P
L101
+4.8V
100
3.3K
R76A
47K
R78A
22K
R77A
10K
R50A
C144
+B
+2.8V
+2.8V
L103
2.2uH
R506A
10K
+2.2V
+2.2V
2.2uH
IC5
IC4
IC6
IC9A
IC9B
DPC-795
0V
1.2V
0V
0V
0V
1.3V
1.3V
2.8V
2.8V
0V
0V
0V
0V
2.8V
0V
2.8V
0V
0V
0V
1.3V
1.1V
1.3V
0V
2.8V
2.8V
0V
0V
0V
2.2V
0V
0V
2.8V
2.7V
1.2V
2.5V
2.7V
2.7V
1.3V
1.4V
1.5V
2.7V
0V
0V
0.6V
0V
0.6V
0V
1.1V
0V
0V
2.8V
0V
1.1V
0V
2.7V
ON: 0V
OFF: 2.8V
0.1V
0V
B.B.
0.1V
0V
2.8V
2.8V
2.8V
0V
2.7V
0V
0V
2.8V
0V
2.2V
0.1V
0.7V
0.2V
0V
0.8V
0V
1.9V
ON: 2.8V
OFF: 0V
HOLD
2.2V
2.2V
0V
0V
2.6V
2.7V
2.7V
0V
0V
2.8V
(DC-IN)
4.8V
4.8V
(DC-IN)
4.1V
4.1V
0V
0V
2.2V
2.2V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
2.2V
2.2V
0V
4.8V
1.2V
2.8V
2.8V
T
K
M
O
Q
S
L
N
P
R
DPC-795
Y22-7760-20
CAUTION: For continued safety,
replace safety critical components only
with manufacturer's recommended
parts (refer to parts list). indicates
safety critical components. For contin-
ued protection against risk of fire,
replace only with same type and rating
fuse(s). To reduce the risk of electric
shock, leakage-current or resistance
measurements shall be carried out
(exposed parts are acceptably insulat-
ed from the supply circuit) before the
appliance is returned to the customer.
The DC voltage is an actual reading
measured with a high impedance type
voltmeter. The measurement value
may vary depending on the measuring
instruments used or on the product.
Refer to the voltage during PLAY with
DASC OFF(at the normal speed)
unless otherwise specified; The value
shown in ( ) is the voltage measured
at the moment of STOP.
NJM2073M
SM5902AF
DPC-795(K)
PCBSD2,2(
99.10.29
5:30
PM
y [ W 4
