SPECIFICATIONS
In compliance with Federal Regulations, following are reproduc-
tions of labels on, or inside the product relating to laser product
safety.
KENWOOD-Corp. certifies this equipment conforms to DHHS
Regulations No. 21 CFR 1040. 10, Chapter 1, Subchapter J.
DANGER : Laser radiation when open and interlock defeated.
AVOID DIRECT EXPOSURE TO BEAM.
PORTABLE CD PLAYER
DPC-397/797/997
SERVICE MANUAL
© 1998-8/B51-5469-00 (K/K) 3314
Format
System ..........................................................................
........................................................................... Compact disc digital audio system
Laser ......................................................................................................
......................................................................... Semiconductor laser
Audio
Frequency response ..........................................................................
........................................................................ 20 Hz to 20 kHz,
± 3 dB
PHONES outpuyt level (16
, 1 kHz ) .........................................................................................................................................8 mW + 8 mW
Line output/impedance ..................................................................................
......................................................................... 0.55 Vrms/1 k
Power supply
External DC supply ...........................................................................................
.........................................................................4.5V to 6 V DC
Rechargeable batteries (NB-88/NB-130) x 2 or 4 .....................................................
........................................................................ DC 2.4 V
Commercially-available alkaline batteries (LR6/AA) x 2 or 4 ......................................
......................................................................... DC 3 V
Battery life (continuous repeat playback)
(Figures inside parentheses show the performance when the D.A.S.C. is ST or HI.)
Commercially-available alkaline batteries (LR6/AA) x 2 ....................................
.......................................................................... Approx.16 (12) Hours
Commercially-available alkaline batteries (LR6/AA) x 4 ......................................
......................................................................... Approx.35 (30) Hours
Rechargeable batteries (NB-88) x 2 .....................................................
..................................................................................... Approx.6.5 (4.5) Hours
Rechargeable batteries (NB-130) x 2 .....................................................
...................................................................................... Approx.8 (5.5) Hours
Batteries (LR6/AA) x 2 and (NB-88) x 2 ...............................................................
...................................................................... Approx. 22.5 (16.5)Hours
Batteries (LR6/AA) x 2 and (NB-130)x 2 ..............................................................
........................................................................ Approx. 24(17.5)Hours
Dimensions (W x H x D) ........................................................................................................................................132 mm x 30 mm x 138 mm
Weight (net) ................................................................................................................................................................................ 245 g
Note:
KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be
changed without notice.
Optical jack
(W02-2630-08)
Stereo phone jack
(E11-0355-08)
Display lens
(B10-3473-08)
Top cabinet *
(A02-)
DC jack
(E03-0356-08)
Phone jack
(E11-0372-08)
CD button set
(K27-2345-08)
Knob*
(DOOR OPEN)
(K27-)
Bottom cabinet*
(A02-)
CD door
(A52-0362-08)
KENWOOD badge
(B43-0311-08)
Illust is DPC-797.
* Refer to parts list on page 12.
DPC-393/997(k)COVER1,1(98.12.1118:03 y[W 2
SPECIFICATIONS .........................................Top cover
CONTENTS / ACCESSORIES ....................................2
DISASSEMBLY FOR REPAIR .....................................3
PC BOARD ..................................................................4
SCHEMATIC DIAGRAM ..............................................7
EXPLODED VIEW .....................................................11
PARTS LIST...............................................................12
DPC-397/797/997
2
CONTENTS / ACCESSORIES
Contents
Model feature list
AC adapter ............................(1)
(W08-0677-08) : P7P3
(W08-0658-08) : E9E7E3
(W08-0678-08) : T9T7
(W08-0679-08) : X9X3
(W08-0675-05) : M3M4M7
Innerphone ............................(1)
(W01-0925-05) : P7
(W01-0923-05) : E3X3P3E7M7T7M3M4
AC plug .................................(1)
(E03-0115-05) : M3M4M7
Rechargeable battery .................(1)
(W09-1237-05)NB-130 : X9T9E9
(W09-1239-05)NB-88 : P3
(W09-1240-05)NB-88 : E3E7M3M4M7T7X3
Car battery adapter ...............(1)
(W03-5853-08) : P7
Car cassette adapter.............(1)
(W01-0922-05) : P7
Remote control......................(1)
(A70-1190-05) : E7T7M3X3
(A70-1171-05) : M4T9X9E9M7
Remote control......................(1)
(A70-1111-08) : P3E3
Headphone............................(1)
(W01-0946-05) : E9T9X9
37
9
MODEL
DPC-397
DPC-797
DPC-997
DESTINATION
P
M
M2
X
E
P
M
M2
T
E
X
T
E
ABBRIB.
P3
M3
M4
X3
E3
P7
M7
M8
T7
E7
X9
T9
E9
DASC<OFF-ON(4M)>IC7
YES
YES
YES
YES
YES
-----
---
DASC<ON-OFF(16M)>IC6
-----
YES
YES
YES
YES
YES
YES
YES
YES
DIGITAL
OPT
OUT(J104)
YES
YES
YES
-
YES
YES
YES
YES
YES
YES
-
YES
YES
LINE
OUT(J105)
-
-
-
YES
-
-----
YES
--
REMOCON
JACK(J103)
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
CAR BATTERY ADP.
-----
YES
----
---
CAR CASETTE ADP.
-----
YES
----
---
AC PLUG ADAPTER
-
YES
YES
-
-
-
YES
YES
-
-
-
-
-
RECHARGEABLE
BATT.
NB-88
NB-88
NB-88
NB-88
NB-88
-
NB-88
NB-130
NB-88
NB-88
NB-130 NB-130 NB-130
INNER
HEADPHONE(SHORT)
YES
YES
YES
YES
YES
-
YES
YES
YES
YES
-
-
-
INNER
HEADPHONE(LONG)
-----
YES
----
---
NOISE
CANCEL
HP(SHORT)
-----
-----
YES
YES
YES
REMOCON
WIRED*
3 KEY
LCD
LCD*
LCD
3 KEY
-
LCD*
LCD*
LCD
LCD
LCD*
LCD*
LCD*
LCD*:LCD WITH BACK LIGHT
Accessories
Note: Please refer to DPC-193 service manual(B51-5451-00) if need the information of microprocessor.
Note : This system uses a microcomputer so it may malfunction due to external noise or interference.
In such a case, unplug the power cord and remove the batteries, then re-connect the power
cord and insert the batteries again.
DPC-393/997(k)COVER1,1(98.12.1118:03 y[W 3
DPC-397/797/997
3
DISASSEMBLY FOR REPAIR
3
4
2 x2
1 x2
1 x3
(Remove the CD door and the top cabinet)
1. Remove the 5 screws (1) on the bottom.
2. Open the battery cover, then remove the 2 screws (2).
3. Push the left side of the top cabinet (3), then remove it from the hook on the battery case (4).
DPC-393/997(k)COVER1,1(98.12.1118:03 y[W 6
4
A
BD
CE
2
1
3
5
7
4
6
PC BOARD
(Component side view)
(Foil side view)
19
1
R34A
SW104
P.MODE
B.B
LC101
R35A
R33A
CN1
119
R32A
R30A
R31A
SW106
REPEAT
SW103
SW101
SW105
SW102
19
1
R34A
SW104
P.MODE
B.B
LC101
R35A
R33A
CN1
1
19
R32A
R30A
R31A
SW106
REPEAT
SW103
SW101
SW105
SW102
Refer to the schematic diagram for the value of resistors and capacitors.
DPC-393/997(k)COVER1,1(98.12.1118:03 y[W 7
11
1
44
34
12
22
23
33
IC5
24
13
1
12
IC6
40
21
20
1
41
60
61
80
IC4
44
34
33
23
1
11
12
22
IC2
8
5
1
4
IC9
16
9
1
8
IC10
100
76
75
51
1
25
26
50
IC3
28
15
1
14
IC1
D122A
R21A
C3A
C169A
C168A
C172A
R182A
R162A
C164A
R178A
R180A
R177A
C160A
R169A
R167A
R166A
R43A
R170A
C143A
C141A
C142A
R126A
C140A
C135A
R140A
C134A
R123A
C137A
R121A
R122A
R124A
R89A
R88A
R84A
R85A
C147A
R86A
R58A
R59A
R56A
D7A
R210A
C207A
C5A
R134A
R78A
R50A
JP15A
R76A
R204A
R304A
R77A
R83A
R138A
C148A
R137A
C154A
R127A
C122A
R322A
R307A
R308A
R207A
R222A
R41A
R49A
R311A
R211A
C205
C153A
R120A
R173A
R172A
R119A
C127A
R112A
C115A
C113A
R5A
C112A
C111A
C107A
C113A
R116A
C106A
R99A
R22A
JP11A
R74R
R29A
C2A
R23A
C11A
D1A
R47A
R179A
C163A
C116A
R111A
C114A
R114A
R46A
C118A
C120A
R100A
C105A
R98A
R97A
R8A
R96A
R7A
R95A
C103A
C104A
C126A
C125A
D105A
R125A
R183A
R504A
C128A
C132A
R501A
C502A
R61A
R87A
D8A
R139A
R36A
C6A
R55A
R503A
R502A
R505A
D6A
R310A
C307A
R52A
R51A
R321A
R75A
R38A
R302A
R320A
R220A
R221A
R202A
R203A
R303A
R66A
R82A
R37A
R138A
C121A
R81A
R69A
R42A
R209A
R309A
R201A
R301A
R57A
R68A
R54A
R48A
R115A
C161A
R4A
R109A
R110A
R172A
R174A
C130A
C131A
R171A
C4A
C177A
R40A
C182A
R506A
C180A
R168A
C183A
C139A
C124A
C123A
R184A
C159A
C167A
JP13A
R3A
R2A
R1A
SW109
D115
Q109
D104
SW107
HOLD
OFF
D.A.S.C
VOLUME
OPEN
REMOTE
PHONES
OPT.OUT
DC-IN
ST
HI
SW108
IC7
Q303
D120
D2
D4
D3
D201
D301
Q203
Q114
Q113
Q108
Q304
Q110
Q106
D112
Q117
Q118
Q119
D111
D5
Q120
Q105
Q111
Q112
Q107
Q116
Q6
Q8
Q202
Q5
Q205
C205
Q305
Q301
L105
L106
L102
D118
D119
D117
D116
Q4
Q302
Q104
Q201
1
13
X1
26
14
CN4
16
2
15
1
REM
C166
C1
C7
C152
C171
C129
C151
C144
C145
C9
C153
C322
C138
C150
R84
BT1
BT
C133
C185
C136
SL
J1
J2
J3
LMT
SP
C8
C306
C206
C184
C304
C320
C305
C302
C146
C321
C221
C202
C220
C204
J103
J102
J105
J104
J101
C201
C203
VR101
C303
C301
EB
EB
EB
EB
EB
E
B
EB
EB
B
E
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
B
E
B
E
B
E
BE
BE
BE
BE
BE
B
E
BE
BE
C117
2
24
CN1
23
1
11
1
44
34
12
22
23
33
IC5
24
13
112
IC6
40
21
20
1
41
60
61
80
IC4
44
34
33
23
1
11
12
22
IC2
8
5
1
4
IC9
16
9
1
8
IC10
100
76
75
51
1
25
26
50
IC3
28
15
1
14
IC1
D122A
R21A
C3A
C169A
C168A
C172A
R182A
R162A
C164A
R178A
R180A
R177A
C160A
R169A
R167A
R166A
R43A
R170A
C143A
C141A
C142A
R126A
C140A
C135A
R140A
C134A
R123A
C137A
R121A
R122A
R124A
R89A
R88A
R84A
R85A
C147A
R86A
R58A
R59A
R56A
D7A
R210A
C207A
C5A
R134A
R78A
R50A
JP15A
R76A
R204A
R304A
R77A
R83A
R138A
C148A
R137A
C154A
R127A
C122A
R322A
R307A
R308A
R207A
R222A
R41A
R49A
R311A
R211A
C205
C153A
R120A
R173A
R172A
R119A
C127A
R112A
C115A
C113A
R5A
C112A
C111A
C107A
C113A
R116A
C106A
R99A
R22A
JP11A
R74R
R29A
C2A
R23A
C11A
D1A
R47A
R179A
C163A
C116A
R111A
C114A
R114A
R46A
C118A
C120A
R100A
C105A
R98A
R97A
R8A
R96A
R7A
R95A
C103A
C104A
C126A
C125A
D105A
R125A
R183A
R504A
C128A
C132A
R501A
C502A
R61A
R87A
D8A
R139A
R36A
C6A
R55A
R503A
R502A
R505A
D6A
R310A
C307A
R52A
R51A
R321A
R75A
R38A
R302A
R320A
R220A
R221A
R202A
R203A
R303A
R66A
R82A
R37A
R138A
C121A
R81A
R69A
R42A
R209A
R309A
R201A
R301A
R57A
R68A
R54A
R48A
R115A
C161A
R4A
R109A
R110A
R172A
R174A
C130A
C131A
R171A
C4A
C177A
R40A
C182A
R506A
C180A
R168A
C183A
C139A
C124A
C123A
R184A
C159A
C167A
JP13A
R3A
R2A
R1A
SW109
D115
Q109
D104
SW107
HOLD
OFF
D.A.S.C
VOLUME
OPEN
REMOTE PHONES
OPT.OUT
DC-IN
ST
HI
SW108
IC7
Q303
D120
D2
D4
D3
D201
D301
Q203
Q114
Q113
Q108
Q304
Q110
Q106
D112
Q117
Q118
Q119
D111
D5
Q120
Q105
Q111
Q112
Q107
Q116
Q6
Q8
Q202
Q5
Q205
C205
Q305
Q301
L105
L106
L102
D118
D119
D117
D116
Q4
Q302
Q104
Q201
1
13
X1
26
14
CN4
16
2
15
1
REM
C166
C1
C7
C152
C171
C129
C151
C144
C145
C9
C153
C322
C138
C150
R84
BT1
BT
C133
C185
C136
SL
J1
J2
J3
LMT
SP
C8
C306
C206
C184
C304
C320
C305
C302
C146
C321
C221
C202
C220
C204
J103
J102
J105
J104
J101
C201
C203
VR101
C303
C301
EB
EB
EB
EB
EB
EB
EB
EB
B
E
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
B
E
B
E
B
E
BE
BE
BE
BE
BE
B
E
BE
BE
C117
2
24
CN1
23
1
FH
J
L
N
GI
K
M
O
2
1
3
5
7
4
6
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD (Component side view)
(Foil side view)
5
6
DPC-397(K)PCB/SD2,2(98.12.1118:31 y[W 1