Service Manual for KENWOOD DPC383

PORTABLE CD PLAYER

DPC-181/183/381/382/383

SERVICE MANUAL

VOLUME

PHONES

LINE

OUT

DC-IN

REPEAT

P.MODE

OPEN

VOLUME

PHONES

LINE

OUT

OFF

Knob (P. MODE)

(K27-2252-08)

Knob

(K27-2244-08)

Display lens

(B10-2416-08)

CD door *

(A52-)

Top cabinet*

(A02-)

Knob

(K27-2245-08)

Knob (OPEN)

(K27-2243-08)

Knob (SKIP/SEARCH)

(K27-2246-08)

Knob (PLAY/STOP)

(K27-2247-08)

Variable resistor

(R31-0086-08)

Display lens *

(B10-)

CD door lens *

(B10-)

CD door *

(A52-)

Variable resistor

(R31-0086-08)

Knob (REPEAT)

(K27-2253-08)

Knob (SKIP/SEARCH)

(K27-2256-08)

Knob (OPEN)

(K27-2251-08)

Knob (PLAY/STOP)

(K27-2255-08)

Knob (SKIP/SEARCH)

(K27-2257-08)

Illust is DPC-183/383.

* Refer to parts list on page 13.

Illust is DPC-181/381/382.

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.

DPC-183/383(k)1P 98.4.243:25PM y[W 2

DPC-181/183/381/382/383

2

CONTENTS / ACCESSORIES

MODEL

FEATURE

Contents

CONTENTS / ACCESSORIES ....................................2

CIRCUIT DESCRIPTION .............................................3

PC BOARD ..................................................................5

SCHEMATIC DIAGRAM ..............................................9

EXPLODED VIEW .....................................................13

PARTS LIST...............................................................15

SPECIFICATIONS .....................................................19

Model feature list

K P E T M M2 X K P E T M X K P E T M M2 K P E T M X K P E T M M2

OPTICAL

OUT

LINE OUT

REMOTE

TERMINAL

DASC

KNOB

B.B KNOB

B.BOOST

P.MODE

DPC-181

DPC-183

DPC-381

DPC-382

DPC-383

Accessories

AC adapter(110~120V /220-240V 50/60Hz) ...............(1)

(W08-0657-08) : KP

(W08-0658-08) : E

(W08-0659-08) : T

(W08-0660-08) : X

(W08-0667-05) : M,M2

Innerphone..........................................(1)

(W01-0925-05) : DPC-181(MXTE)

DPC-183(X)

DPC-381(TE)

(W01-0923-05) : DPC-181(M2)

DPC-183(M)

DPC-381(M,M2)

DPC-383(M2)

AC plug ..........................................(1)

(E03-0115-05) : M,M2

Rechargeable battery .....................(1)

(W09-1239-05) : KP

(W09-1240-05) : ETMXM2

Audio cable ....................................(1)

(E30-2782-05) : DPC-381(E.T)

Car battery adapter ........................(1)

(W01-0921-05) : DPC-382

Car cassette adapter......................(1)

(W01-0922-05) : DPC-382

Remote control...............................(1)

(A70-1190-05) : DPC-381/383 (M,M2)

Remote control...............................(1)

(A70-1111-08) : DPC-181 (M2)

DPC-183 (M)

Headphone ....................................(1)

(W01-0924-05) : DPC-181(KP)

(W01-0943-05) : DPC-381(KP)

(T17-0015-08) : DPC-383(M)

(T17-0016-08) : DPC-383(KPETX)

DPC-183/383(k)1P 98.4.243:26PM y[W 3

DPC-181/183/381/382/383

3

CIRCUIT DESCRIPTION

1. Microprocessor : (MN171603 H3)

11 Pin description

Pin No.

Pin name

I/O

Function description

Active

1, 2

I

NOT USED

3

AVSS

GND

4

BBS

O

BBS CONTROL SIGNAL OUTPUT

ON = "H"

5

DATA

O

REMOTE CONTROL SIGNAL OUTPUT

6, 7

NOT USED

8

KEY

I

KEY INPUT

9

HOLD

I

HOLD ON/OFF CONTROL

ON = "H"

10

ESP

I

ESP ON/OFF CONTROL

ON = "L"

11

LOW BATTERY

I

BATTERY VOLTAGE DETECTION

LOW BATT. = "H"

12

AVDD

SUPPLY VOLTAGE

13~15

VLC1~VLC3

LCD DRIVER BIAS CONTROL

16~19

COM1~COM4

O

LCD COMMON SIGNAL OUTPUT (COMMON1~4)

20~33

SEG0~SEG13

O

LCD SEGMENT SIGNAL OUTPUT (SEG0~SEG13)

34, 35

SEG14, 15

O

NOT USED

36

MODE-M

I

MEMORY SELECT

4M = "H"

OTHER = "L"

37

D-CNT

I

DIGITAL OUT CONTROL

OUT = "H" (ESP OFF)

38

MODE-A

I

USE CUE/REV MODE

39

MODE-B

I

NOT USED

40

STDBY

O

NOT USED

41~44

NOT USED

45

DOOR OPEN

I

DOOR SWITCH DETECTION

OPEN = "H"

46

PSET

I

PICKUP INITIAL POSITION

47

BTCHK

I

BATT. VOLTAGE DIRECTION.

48~51

I

NOT USED

52

POWER

O

POWER SUPPLY CONTROL.

53

BAT

O

BATTERY CONTROL OUTPUT

CHARGING = "H"

54

D MUTE

O

MUTE CONTROL

ON = "H"

55

SBCK

O

SUB CODE READ TIMING CLOCK FOR MN662740RE

56

FCLK

I

FRAME CLOCK SIGNAL from MN662740RE

57

FLAG

I

FLAG SIGNAL INPUT from MN662740RE

58

IPFLAG

I

CORRECTION = "H"

59

I

GND

60

STAT

I

STATUS SIGNAL from DSP

61

SENSE

I

SENSITIVE SIGNAL from DSP

62

TLOCK

I

TRACKING SERVO

IN = "L"

63

FLOCK

I

FOCUSING SERVO

IN = "L"

64

MCLK

O

COMMAND CLOCK for MN662740RE

65

MDATA

O

COMMAND DATA for MN662740RE

66

MLD

O

COMMAND DATA LATCH (LOAD) for MN662740RE

67

O

NOT USED

68

RST

I

SYSTEM RESET INPUT

69

X1

I

GND

70

X2

O

NOT USED

71

Vss

GND

72

O

NOT USED

73

SMCK

I

EXTERNAL SYSTEM CLOCK = 4.2336MHz

DPC-183/383(k)1P 98.4.243:26PM y[W 6

DPC-181/183/381/382/383

4

CIRCUIT DESCRIPTION

Pin No.

Pin name

I/O

Function description

Active

74

VDD

SUPPLY VOLTAGE (ESP ON = 4.2V / OFF = 3.2V)

75

LRST

O

RESET SIGNAL for MN662740RE, SM5859AF

76

SQCK

O

SUBQ READ TIMING CLOCK to MN662740RE

77

SUBQ

I

SUBQ DATA from MN 662740RE

78

O

NOT USED

79

YMLD

O

COMMAND DATA LATCH (LOAD) for SM5859AF

80

YMCLK

O

COMMAND CLOCK for SM5859AF

81

ZSENSE

I

SENSITIVE SIGNAL from SM5859AF

82

YMDATA

O

COMMAND DATA for SM5859AF

83

BLKCK

I

SUBQ READ REQUEST SIGNAL IN.

84

I

GND

1-2 Voltage of pin No. 8 (IC3) / Key function.

KEY

V

Key of unit (Remocon)

0.00

PLAY/PAUSE (

6)

0.75

STOP (

7)

1.00

UP (

¢)

1.23

B. BOOST / P. MODE

1.43

DOWN (

4)

1.69

REPEAT

2.13

MUTE (Only Remocon)

2.55

KEY OFF

3.0

1-3 Microprocessor periphery block diagram

(KSM-542AAA)

/ / /

IC5

SHOCKPLOOF

SM5859AF

IC6

DRAM

FROM IC4 (Rch)

J105

EXCEPT

DPC-381/383 (M2 TYPE)

LINE OUT

J102

Rch

Lch

H. P JACK

NJM2073M

VOLUME

DIGITAL OUTPUT

J104

OPT. OUT

DPC-381/383 (M2 TYPE)

J103

REMOTE

DPC-181 (M2 TYPE)

DPC-183 (M TYPE)

DPC-381/383 (M/M2 TYPE)

MN171603

HFC

AN8819

NFB-M

LMT.

SW

AN8806SB

DPC-381/382/383 ONLY

Lch

DPC-183/383(k)1P 98.4.243:26PM y[W 7

5

AC

E

BD

2

1

3

5

7

4

6

Refer to the schematic diagram for the value of resistors and capacitors.

PC BOARD(Component side view) : DPC-181/381/382

DPC-183/383(k)COVER( 98.4.245:22PM y[W 10

KENWOOD DPC383 Service Manual

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