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Kenwood
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DPC-392
Service manual
15 pgs1.13 Mb0
Table of contents
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Kenwood DPC-392, DPC-393, DPC-395, DPC-692, DPC-792 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 (16Ω, 1 kHz ) ............................................................ 10 mW + 10 mW
Line output/impedance .....................................................................................0.6 Vrms/1 kΩ
Power supply
External DC supply ........................................................................................... 4.5V to 6 V DC
Rechargeable batteries (NB-88 or 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 ON.)
Commercially-available alkaline batteries (LR6/AA) x 2 .................................... Approx. 12 (9.5) Hours
Commercially-available alkaline batteries (LR6/AA) x 4 ..................................... Approx. 25 (20) Hours
Rechargeable batteries (NB-88) x 2 ................................................................... Approx. 5.5 (4.5) Hours
Alkaline batteries (LR6/AA) x 2 and rechargeable batteries (NB-88) x 2 ............ Approx. 18 (15) Hours
Dimensions (W x H x D) (DPC-395/792/795) ............................ 132 mm
x
32.5 mm x 153 mm
(5 - 3/16"
x
1 - 1/4" x 6")
Dimensions (W x H x D) (DPC-193/392/393/793) .................... 132 mm
x
29.5 mm x 153 mm
(5 - 3/16"
x
1 - 3/16" x 6")
Weight (net) (DPC-395/792/795) .......................................................................... 272 g (9.6 oz)
Weight (net) (DPC-193/392/393/793) .................................................................. 260 g (9.2 oz)
VOLUME
PHONES
LINE OUT
DC-IN
DPC-193/392/393/395/
DPC-692/792/793/993
SERVICE MANUAL
© 1998-7/B51-5451-00 (K/K) 3314
Phone jack (E11-0372-08)
CD door ASSY * (A52-)
Knob (DOOR OPEN) (K27-2322-08)
Variable resistor (R31-0086-08)
* Refer to parts list on page 13.

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.
Top cabinet * (A02-)
DC jack (E03-0356-08)
Line out phone jack (E11-0354-08)
Illust is DPC-395.
DPC-193/392/393/395/692/792/793/993
12 3 45 679 DPC-193 DPC-392 DPC-393 DPC-395 DPC-692 DPC-792 DPC-793 DPC-993 MXMEMM2TE M KPKPX E KP
BASE BOOST SW
TACT TACT TACT TACT TACT TACT TACT TACT TACT TACT TACT TACT TACT TACT TACT TACT TACT
DASC<OFF-ON(4M)>IC7
- - YES YES YES YES YES YES YES - - - - - - - -
DASC<ST-OFF-HI(16M)>IC6
-------- -YESYESYESYESYESYESYESYES
DIGITAL OPT OUT(J104)
-------- - -----YES--
LINE OUT(J105)
YES YES YES YES YES YES YES YES YES YES YES YES YES YES - YES YES
REMOCON JACK(J103)
-----YES--YES-----YES--
CAR BATTERY ADP.
- - YES YES - - - - - YES YES YES YES YES - - -
CAR CASETTE ADP.
- - YES YES - - - - - YES YES YES YES YES - - -
RECHARGEABLE BATT.
NB-88 NB-88 NB-88 - NB-88 NB-88 NB-88 - NB-88 - - - - NB-88 NB-88 - -
INNER HEADPHONE(SHORT)
-----YES--YES-----YES--
INNER HEADPHONE(LONG)
YES YES YES YES YES - YES YES - - - - - YES - - -
OPEN HEADPHONE(LOW)
-------- -YESYES--- - --
OPEN HEADPHONE(HI/LONG)
-------- - --YESYES-- --
NOISE CANCEL HP(LONG)
-------- - ------YESYES
REMOCON WIRED
-----LCD--3KEY - - - - - 3 KEY - -

CONTENTS / ACCESSORIES

Contents

SPECIFICATIONS.........................................Top cover
CONTENTS / ACCESSORIES ....................................2
CIRCUIT DESCRIPTION.............................................3
PC BOARD ..................................................................5

Model feature list

SCHEMATIC DIAGRAM..............................................7
EXPLODED VIEW .....................................................12
PARTS LIST...............................................................13
Accessories
AC adapter..................................................................(1)
(W08-0657-08) : K5K6K9P5P9P6 (W08-0658-08) : E2E7E3 (W08-0659-08) : T3 (W08-0660-08) : X6 (W08-0675-05) : M2M3M4S3
Rechargeable battery (NB-88) .......(1)
(W09-1240-05) : E7M1M2M4M3S3T3X1X6
Headphone ....................................(1)
(W01-0924-05) : K5P5 (W01-0943-05) : K6P6 (W01-0947-05) : K9P9
2
Innerphone..........................................(1)
(W01-0925-05) : E2E3M1M2M3T3X1X6 (W01-0923-05) : E7M4S3
Remote control...............................(1)
(A70-1111-08) :E7M4
Car cassette adapter......................(1)
(W01-0922-05) : E2K5K6M2P5P6X6
Remote control...............................(1)
(A70-1190-05) : S3
Car battery adapter........................(1)
(W01-0921-05) : E2M2K5K6P5P6X6
AC plug..........................................(1)
(E03-0115-05) : M1M2M3M4S3
DPC-193/392/393/395/692/792/793/993

CIRCUIT DESCRIPTION

1. Microprocessor : MN101C167

1-1 Pin description
Pin No. Name I/O Description Remarks
1-4 COM1-4 O LCD common signal
5 VLC3 – GND
6,7 VLC1,2 – LCD driving bias control
8 VDD – Power supply(+2.8V)
9 OSC2 – No use 10 SMCK I External system clock(4.2336MHz) 11 VSS – GND 12 X1 – GND 13 X0 – No use
14,15 MMOD,VREF – GND
16 KEY1 I Key input 17 KEY2 I Remocon key input port 18 RECHARGE OUT O Rechargeable detection port 19 BATT – No use 20 HOLD I Key hold on/off control ON=H 21 DOOR I Door switch detection port OPEN=H 22 DA SCST I/O DASC switch detection port(ST) 23 DA SCHI I DASC switch detection port(HI) 24 VREF+ – Power supply(+2.8V) 25 P00 – No use 26 SUBQ I Sub-Q data input signal port(to MN662746RPK1) 27 SQCK I Sub-Q data read timing clock port(to MN662746RPK1) 28 MDATA O Data signal port(to MN662746RPK1) 29 P04 – No use 30 MCLK O Clock signal port(to MN662746RPK1) 31 P06 – No use 32 RESET I System reset port
33-37 P10-14 – No use
38 BLKCK I Sub-Q signal read require port 39 P21 – No use 40 REM IN I Remocon data input port
41,42 P23,24 – No use
43 YMCLK O Clock signal port(to SM5859AF/5902AF) 44 YMDATA O Audio signal port(to SM5859AF/5902AF) 45 YMLD O Latch signal port(to SM5859AF/5902AF) 46 YD MUTE O Audio signal mute control port ON=H 47 ZSENSE O Sensitive signal port(to SM5859AF/5902AF) 48 NRESET O System reset port(to SM5859AF/5902AF)
49,50 P53,54 – No use
51 POWER O Power supply control port 52 REM DATA O Remocon data output port 53 CONT O DASC control output port(HI/ST) ON=H 54 BBS O BBS control ON=L 55 LMT I Limit switch detection port 56 EMP O Battery level detection port LOW BATT=H
3
IC5
SHOCKPLOOF SM5859AF
IC6,7
DRAM
AN8889
(KSM-542AAA)
/ / /
/ / /
/ / /
FROM IC4 (Rch)
J105
LINE OUT
J102
J104
Rch Lch
H. P JACK
OPT.OUT
NJM2073M
VOLUME
J103
REMOTE
LMT. SW
AN8838SB
Lch
IC9
MM662746RPK1
DPC-193/392/393/395/692/792/793/993
CIRCUIT DESCRIPTION
Pin No. Name I/O Description Remarks
57-59 P66,67,70 – No use
60 RECHARGE I Rechargeable battery detection port 61 LIGHT OUT – No use 62 MLD O Latch signal port(to MN662746RPK1) 63 SENSE I Sensitive signal port 64 FLOCK I Focus servo IN=L 65 TLOCK I Tracking servo IN=L 66 STAT I Status signal port 67 RST O Reset signal port(to MN662746RPK1)
68-71 P83-86 – No use
72 DIGITAL OUT O Digital output control 73 P81 I Memory selector NO=H,4M=H,16M=L 74 P80 I Memory selector NO=L,4M=H,16M=L
75-85 SEG15-25 – LCD segment signal
86-100 SEG0-14 O LCD segment signal
1-2 Microprocessor periphery block diagram
4
4
1
5
IC9
8
22
12
14
1
25
1
51
75
10076
2650
60
41
1
22
12
34
44
111
14 26
13 1
2333
20
4021
6180
15
28
34
44
1
IC2
IC1
IC3
IC4
IC5
IC6
11
33 23
REPEAT
REMOTE VOLUME
LINE OUT
PHONESOPT OUTDC IN
DOOR SW
P.MODE
B.B
1
19
ON OFF
HOLD
ON OFF
ESP SW
IC7
1
26
13
14
4
1
5
IC9
8
22
12
14
1
25
1
51
75
100 76
26 50
60
41
1
22
12
34
44
11 1
1426
131
23 33
20
40 21
61 80
15
28
34
44
1
IC2
IC1
IC3
IC4
IC5
IC6
11
3323
REPEAT
REMOTEVOLUME
LINE OUT
PHONES OPT OUT DC IN
DOOR SW
P.MODE B.B
1
19
ON OFF
HOLD
ON OFF
ESP SW
IC7
1
26
13
14
ACEGIBDFHJ
PC BOARD (Component side view) (Foil side view)
1
2
3
4
5
6
7
Refer to the schematic diagram for the value of resistors and capacitors.
5 6
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