Kenwood DPC-397, DPC-797, DPC-997 Service manual
PORTABLE CD PLAYER
Format
System ..................................................................................................................................................... Compact disc digital audio system
Laser ......................................................................................................
......................................................................... Semiconductor laser
Audio
Frequency response .................................................................................................................................................. 20 Hz to 20 kHz, ± 3 dB
PHONES outpuyt level (16 Ω, 1 kHz ) ...............................................................
..........................................................................8 mW + 8 mW
Line output/impedance ..................................................................................
......................................................................... 0.55 Vrms/1 kΩ
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.
DPC-397/797/997
SERVICE MANUAL
© 1998-8/B51-5469-00 (K/K) 3314
KENWOOD badge
(B43-0311-08)
CD door
(A52-0362-08)
Knob*
(DOOR OPEN)
(K27-)
Bottom cabinet*
(A02-)
Illust is DPC-797.
* Refer to parts list on page 12.
CD button set
(K27-2345-08)
Display lens
(B10-3473-08)
Top cabinet *
(A02-)
DC jack
(E03-0356-08)
Optical jack
(W02-2630-08)
Phone jack
(E11-0372-08)
Stereo phone jack
(E11-0355-08)
SPECIFICATIONS
In compliance with Federal Regulations, following are reproductions 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.
DPC-397/797/997
379
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
YESYESYESYESYES----- ---
DASC<ON-OFF(16M)>IC6
-----YESYESYESYESYESYESYESYES
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)
----- -----YESYESYES
REMOCON WIRED*
3 KEY LCD LCD* LCD 3 KEY - LCD* LCD* LCD LCD LCD* LCD* LCD*
LCD*:LCD WITH BACK LIGHT
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.
CONTENTS / ACCESSORIES
Contents
SPECIFICATIONS.........................................Top cover
CONTENTS / ACCESSORIES ....................................2
DISASSEMBLY FOR REPAIR.....................................3
PC BOARD ..................................................................4
Note: Please refer to DPC-193 service manual(B51-5451-00) if need the information of microprocessor.
Model feature list
SCHEMATIC DIAGRAM..............................................7
EXPLODED VIEW .....................................................11
PARTS LIST...............................................................12
Accessories
AC adapter............................(1)
(W08-0677-08) : P7P3
(W08-0658-08) : E9E7E3
(W08-0678-08) : T9T7
(W08-0679-08) : X9X3
(W08-0675-05) : M3M4M7
Remote control......................(1)
(A70-1111-08) : P3E3
Headphone............................(1)
(W01-0946-05) : E9T9X9
2
Innerphone............................(1)
(W01-0925-05) : P7
(W01-0923-05) : E3X3P3E7M7T7M3M4
Remote control......................(1)
(A70-1190-05) : E7T7M3X3
(A70-1171-05) : M4T9X9E9M7
Car cassette adapter.............(1)
(W01-0922-05) : P7
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
AC plug .................................(1)
(E03-0115-05) : M3M4M7
DPC-397/797/997
3
4
2
x2
1
x2
1
x3
DISASSEMBLY FOR REPAIR
(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).
3
A BDCE
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
119
R32A
R30A
R31A
SW106
REPEAT
SW103
SW101
SW105
SW102
PC BOARD
1
(Component side view)
2
3
4
(Foil side view)
5
6
7
4
Refer to the schematic diagram for the value of resistors and capacitors.
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