Kenwood DP-SE7 User manual

COMPACT DISK PLAYER

DP-SE7/SE7(G)/SE9

SERVICE MANUAL

repeat 7

¢4

1 ¡

timespace

compact disc player DP-SE7

on/standby D.R.I.V.E.

OPTICAL

SYSTEM

CONTROL

DIGITAL OUT

PLAY OUT

Indicator

(B12-0318-04)

Panel *

(A60-) Front glass

(B10-2372-03)

Panel

(A29-0872-03)

AC power cord *

(E30-)

Oscillating module

(W02-1114-05) Phono jack

(E63-0122-05)

Metallic cabinet

(A01-3321-01) Power cord bushing

(J42-0083-05)

Rectangular receptacle

(E08-0312-05)

Knob

(K29-6744-04) Escutcheon

(B07-2363-04) Knob

(K29-6743-03)

Panel *

(A60-)

(HM-701)

Illustration is DP-SE7Mtype.

* Refer to parts list on page 17.

In compliance with Federal Regulations, following are reproductions of

labels on, or inside the product relating to laser product safety.

KENWOOD-Crop. certifies this equipment conforms to DHHS Regulations

No. 21 DFR 1040. 10, Chapter 1, Subchapter J.

DANGER : Laser radiation when open and interlock defeated.

AVOID DIRECT EXPOSURE TO BEAM Refer to DP-SA7 service manual (B51-5243-00) if you require

Disassembly for repair in detail.

DP-SE7(G)/SE9(K) COVER( 97.11.2711:26PM y[W 2

DP-SE7/SE7(G)/SE9

CONTENTS / EXTERNAL VIEW

CONTENTS / EXTERNAL VIEW............................... 2

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

ADJUSTMENT............................................................6

PC BOARD ................................................................ 7

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

EXPLODED VIEW ....................................................15

PARTS LIST..............................................................17

SPECIFICATIONS ......................................Back cover

Contents

System configuration

SYSTEM NAME RECEIVER CD PLAYER SPEAKER

HM-701 R-SE7 DP-SE7 LS-SE7

HM-901 R-SE9 DP-SE9 LS-SE9

compact disc player

on/standby

time space repeat 1 ¡

4 ¢

24 bit fine D.R.I.V.E.

D.R.I.V.E. with 24 bit D/A conversion

DP-SE9

Side plate

(A50-1303-12)

Panel

(A29-0871-03)

Panel

(A60-1266-02)

Knob

(K29-6741-04) Knob

(K29-6766-04)

Knob

(K29-6742-04)

Illustration is DP-SE9.

DP-SE7(G)/SE9(K) COVER( 97.11.2711:26PM y[W 3

DP-SE7/SE7(G)/SE9

CIRCUIT DESCRIPTION

(X32) IC2

KAN03

213BGN

8-BT-207GK

µPD78044FGF

SDATA

SBUSY

(X25) IC5

CLK, DTA, LAT

S. CLK M. ON

MUTE XLON

SENSE

SCOR

SUBQ

(SLTSW)

(FOK , GFS)

SGATE

SCK

SDT

KR0,KR1

SLT SW

Seg key scm pin

KSL-

CD mecha

MOTOR CONTROL

TERMINAL

SWITCH INPUT

X 2

KEY INPUT

X 2 GRID X 8

SEGMENT X 12

SYSTEM

SERIAL

SIGNAL

D.S.P.

CXD 2507AQ

KEY MATRIX

1. Microprocessor

1-1. Microprocessor periphery block diagram

DP-SE7(G)/SE9(K) COVER( 97.11.2711:26PM y[W 6

DP-SE7/SE7(G)/SE9

CIRCUIT DESCRIPTION

PIN No. PIN NAME I/O DESCRIPTION

1~7 Grid 2G~8G O FL Digit control (Grid 2G~8G)

8 Vdd O Power supply (+5)

9 SQCK O Q-data read clock output.

10 STBY O Not use (OPEN)

11 SUBQ I Q-data (or SLT SW) input

12 KR 1 I Key return input 1

13 KR 0 I Key return input 0

14~16 NC I Not use (PULL DOWN)

17 RESET I Reset input

18, 19 NC I Not use (PULL DOWN)

20 AVss – Not use (GND)

21~24 NC I Not use (PULL DOWN)

25 SDT O Enable output to KAN03

26 SCK O Clock output to KAN03

27 S GATE O Data output for KAN03

28 NC I Not use

29 AVdd – Not use (+5V)

30 AVref – Not use (GND)

31 DEFECT I Scratch disk compel sat

32 XT2 – Not use (OPEN)

33 Vss – GND

34 X1 I System clock

35 X2 – System clock

36 RMUTE O Analog mute

37 CLK O CXD2507AQ clock output

38 LATCH O CXD2507AQ latch output

39 DATA O CXD2507AQ data output

40 SENSE I SENSE/GFS/F.OK input

41 D.S O Not use

42 S.DATA I/O Serial DATA I/O

43 S.BUSY I/O Serial BUSY I/O

44 SCOR I Sub-code synch detect

45 NC I Not use (PULL DOWN)

46 M.ON O Focus lock compensation

47 REMOCON I REMOCON

48 Vpp – GND

49 CLOSE SW I Tray close (L : close)

50 OPEN SW I Tray open (L : open)

51 NC I Not use (PULL DOWN)

52 Vdd – Power supply (+5V)

53 OPEN MOTOR O Motor [OPEN] (H : OPEN/T.U.DOWN)

54 CLOSE MOTOR O Motor [CLOSE] (H : CLOSE/T.U.UP)

55~64 NC O Not use (OPEN)

65~70 Sa~Sf O FL Segment (SEG Sa~Sf)

71 Vlord – FL driver power supply (-30V)

72~77 SEG Sg~Sl/KS 5~0 O FL Segment Sg~Sl and key scan (KS5~KS0)

78, 79 NC O Not use (open)

80 GRID 1G O FL digit (Grid 1G)

1-2 Pin description

(uPD78044FGF-071 : X25, IC4)

DP-SE7(G)/SE9(K) COVER( 97.11.2711:26PM y[W 7

DP-SE7/SE7(G)/SE9

CIRCUIT DESCRIPTION

MODE "0 0" : Use for Test or alignment

Setting the test mode : While pressing the "REPEAT" key, plug the AC cord

into wall output.

No. Key Display Operation Remarks

(1)Focus servo.........................................ON

03 (2) Tracking servo ....................................OFF TE-adjustment

1 PLAY/ PAUSE (3) Feed servo .........................................OFF

6(1) Focus servo.........................................ON F-GAIN / T-GAIN

05 (2) Tracking servo.....................................ON

(3) Feed servo..........................................ON FE-B adjustment

2 UP ¢All display ON =All display OFF

01 Pick manual feed (outside =inside) Stop mode only

3 FB 1

05 FB operation is available Time display goes off

4 FF ¡01 Pick manual feed(inside = outside) Stop mode only

05 FF operation is available Time display goes off

5 STOP 701 Pick-up initialize

6 OPEN / CLOSE 0Tray open / close

7 DOWN 401 Cancel the test mode, and Play track No.01

return to normal mode.

2. Test mode

PCB/EXP 97.11.27 8:11 AM y[W 1

ADJUSTMENT

DP-SE7/SE7(G)/SE9

FIG.

CN3

L.P.F. +

L.P.F.

VTVM

1.2 kHz

50 mVrms

FE1

FE2

TE2

TE1

S.S

(a)

No. ITEM INPUT

SETTINGS OUTPUT

SETTINGS ALIGNMENT

POINTS ALIGN

FOR

PLAYER

SETTINGS

1LASER POWER −Apply the sensor section

of optical power meter

on the pickup lens. −

On the power from

0.08 to 0.15 mW,

when the diffraction

grating is correctly

aligned with the RF

level of 0.6 Vp-p or

more.

Press the

PLAY/PAUSE key,

then confirm that the

LED is "03".

ALIGNMENT POINTS

Pickup

FOCUS ERROR

BIAS Test disc

Type 4

Connect an oscilloscope

as follows.

CH1 : RF (CN3 pin 1)

CH2 : TE (CN3 pin 6)

FE BIAS

VR2 Optimum eye pattern

Press the

PLAY

/PAUSE

key,

then confirm that the

LED is "05".

Note:

Type 4 disc : SONY YEDS-18 Test Disc or equivalent.(KTD-0✽)

LPF: Around 47 kΩ+ 390 pF or so.

Step 1~4 are in Test Mode.

0.08 ~ 0.15 mW

Optical power meter

TRACKING ERROR

BALANCE Test disc

Type 4

Connect an oscilloscope

as follows.

CH1 : RF (CN3 pin 1)

CH2 : TE (CN3 pin 6)

TE BALANCE

VR1 Symmetry between

upper and lower

patterns

Press the

PLAY/PAUSE key,

then confirm that the

LED

is "03".

(e)4TRACKING GAIN

Test disc

Type 4

Apply signal of

1.2 kHz,

50mVrms to

CN3 pin 5-6.

Connect a LPF to CN3

pin 5-6 to which you

connect an oscilloscope

or AC voltmeters.

TRACKING

GAIN

VR3 Two VTVMs should

read the same value.

Press the

PLAY/PAUSE key,

then confirm that the

LED

is "05".

While pressing the "REPEAT" key, turn the AC ON.

{ Refer to test mode (MODE 0 0) }

(e)Tracking gainn(a)Laser power

T-GAIN

VR3 VR1 VR2

CN1

TE-B FE-B

PCB/EXP 97.11.278:11AM y[W 2

DISPLAY UNIT

(X14-4520-00) : DP-SE7.......K

(X14-4520-21) : DP-SE7.......MET

(X14-4530-21) : DP-SE9 (A/2)

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

A C EB D

PC BOARD(Component side view)

PCB/EXP 97.11.27 8:11 AM y[W 3

FG IH J

8Refer to the schematic diagram for the value of resistors and capacitors.

CD PLAYER UNIT

(X32-3400-00)

ELECTRIC UNIT

(X25-6000-00) : DP-SE7

(X25-6000-01) : DP-SE9

PC BOARD(Component side view)

PCB/EXP 97.11.27 8:14 AM y[W 4

A C E G IB D F H J

4.6V

2.4V

4.7V

2.2V

0V 0V

4.4V

4.5V

1.1V

2.5V

2.4V

1.0V

0.9V

4.2V

1.8V

0.2V

2.4V

3.2V

2.4V

3.6V

0.2V

2.4V

0.6V

2.4V

2.2V

2.4V

0.8V

2.4V

2.6V

2.4V

2.5V

2.4V

3.6V

3.1V

2.3V

3.6V

3.5V

2.5V

7.1V

2.5V

3.2V

3.5V

2.4V

7.1V

2.4V

3.4V

3.3V

2.4V

2.3V

2.2V

4.2V

4.7V

4.5V

4.6V

4.5V

4.0V

2.3V 0.2V

4.6V

2.4V

0.9V

2.4V

4.2V

7.1V

4.7V

4.5V

4.6V

4.5V

OFF:4.5V

ON:0V

4.5V

4.4V

4.5V

4.7V

4.2V

4.3V

2.1V 3.6V

4.2V

ON:0V OFF:4.5V

IC3

CD PLAYER UNIT

(X32-3400-00)

IC1

(KSL-213BGN)

MECHA. ASS’Y

(D40-1571-05)

PICKUP (KSS-213C)

IC2

: CXA1782BQ 1

: CXD2507AQ 1

: 2SC4081(R,S)

: 2SA1611(M5,M6) or 2SA1586(Y,GR)

: DTA124EUA or UN5112

CN2

IC2

IC1

IC3 : BA6398FP

Q3,4

D1-4 : MA111

: DA204U

DRIVER

4CH BTL

(BOTTOM VIEW)

CN3

T-GAIN

CN1

MOTORMOTOR

DISC FEED

DSP

(BOTTOM VIEW)

OFF-SET

FOCUS

CONTROL

RF/SERVO

TE-BALANCE

FE-BIAS

FOCUS

OFF-SET

ADJUSTMENT

OPEN/CLOSE SW

B C

MOTOR

(BOTTOM VIEW)

APC ON/OFF

LAZER DIODE

VDD

)

(

)

(

)

(

)

(

)

(

()

(

)

(

)

()

)

(

)

(

()

(

)

(

)

(

0.033

R53

+7V

-IN

+IN

OUT

GND

10u10

C30

+7V

MGND

D+5V

DGND

DOUT

C4M

MON

RST

20+7V

18D+5V

SCOR

SENSE

CLK

LAT

SQCK

SUBQ

DATA

D+5V

6.8

R58

1051

PCMD

LRCK

MCK

EMPH

BCK

520

240

322

VDD

C37

+7V

180K

4.7K

R41

0.033 5.6K

R42

R40

R43C31

D+5V

120

R57

22u6.3

C42

4.7K

R54

0.1

C43

VDD

C44 0.01

VDD

XLON

FOK

MDP

MDS

MON

SPOA

SPOB

SPOC

XLTO

VDD

CLKO

SPOD

+7V

C29

0.1

D+5V

4.7K

R56

6.8

VCC

C24 10u4

R37 18K

C18 0.033

R33 510K

C22 0.01

R34

82K

C23

100P

0.01

R38

C26

VDD

100K

R35 100K

R36 22K

C25 0.01

TGU

TG2

FSET

TAM

TAO

17 R39 240K

ISET

SLO

SL-

SL+

C33

22u6.3

C32

0.1

+7V

SLD-

SLD(10K)

VCC

SLD(NC)

SLD+

VCC

FCS(NC)

DM-

DM+

DM(IN)

GND

DM(NC)

MUTE

REG

+5(IN)

FCS+

GND

FCS-

FCS(10K) TRK(NC)

TRK(10K)

TRK+

TRK-

+7V

0.047

C21

120K

R30

120K

R31

R32 1.5M

C19

1000P

R29

220P

C20

SPINDLE

MOTOR

SLED

MOTOR

RF 1

R28 680K

C16

0.1

R27

22K

C14

C15

C17 10u4

R26 1.5M

R23R24

6.8K

R25

1003.9K

FGD

FLB

FEO

EFM

SRCH

48 VC

FEO

FEI

FDFCT

TDFCT

45 ATSC

TZC

C11C10 47u4

4700P

R21

SEIN

CNIN

DATO

XLAT

CLOK

C34

0.1

DATA

XRST

SENS

0.01

VR3

47K

C12 47P

R22 47K

TRK-

FCS- 1

+7V

R46

3.3K

R47

R48

10K

C38

3.3K

0.01

C39

1500P

R49

R50

100K

0.47

VDD

C41

3300P

LOCK

TEST

FILO

FILI

VSS

AVSS

CLTV 12

PCO

MUTE

SQCK

SUBQ

EXCK

SBSO

R55

SCOR

VSS

WFCK

EMPH

DOUT

BIAS 16

ASYI

ASYO

19 VDDASYE

WDCK

20 PCMD

LRCK

GFS

VDD

XPCK

XUGF

GTOP

BCK

100

R45

100K

C4M

FSTT

XTSL

XTAO

MNT1

MNT3

XROF

C2PO

RFCK

1000P

C36

XTAI

MNTO

AVDD

22u6.3

0.1

C28

19 59

21 57

DATA

XLT

CLK

CC1

FOK

CC2

SENS

C.OUT

XRST

C7 0.01

C40

VDD

C35

R44 1000P1K

VCC

470

R51 470

R52 470

VDD

TEO

LRFI

40 EI

VEE

RF0

RFI

RFM

38 F

PD2

PD1

FE.B

VR1R1

20K

100K

75K 47K

62K

R17

R16 24K

C5 0.01

R12 68K

R10 68K

220K

4.7K

VR2 R8

R11 68K

33K

9.1K

0.022

FCS+

-VPD

GND 8

VCC

+2.5V

+5V

11 B

10uH

B 11

LAND

SHORT

FCS(+)

TRK(+)

FCS(-)

2TRK(-)

8GND

R15

3.3K

18P

20K

R20

330K

R18

100 1K

R19

330K C13 0.47

FE1

FE2

S.S

TE1 6

5TE2

-LM

CLOSE SW

GND

+LM

OPEN SW

47uH

3.9K

R13 68K

TRACKING COIL

FOCUSING COIL

C6 2200P

3 VCCTEITRK+ 48

C27 0.047VCC

R14

47u4

VCC

sd2p 97.11.27 8:38PM y[W 3

KL N P R TM O Q S

4.7V

2.3V

4.7V

2.3V

4.6V

4.7V

4.5V

CLOSE: 4.7V

OPEN: 0V

CLOSE: 0V

OPEN: 4.7V

4.7V

10.0V

0.5V

3.8V

0.5V

CLOSE: 0.7V

OPEN: 4.4V

TRAY

0.5V

4.6V

0.6V

4.0V

4.6V

4.7V

1.2V

1.5V

4.4V

2.0V

1.8V

2.8V

1.8V

2.8V

4.6V

4.7V

4.6V

1.4V

1.1V

2.2V

2.3V

2.2V

4.7V

7.1V

-24.3V

-27.7V

-24.1V

-27.7V

-20.5V

-24.1V

-5.7V

-2.2V

-5.7V

4.6V

0V 4.7V

4.7V

-24.3V

4.7V

-29.5V (SE9)

-27.5V (SE7)

4.6V

4.7V

1.2V

6.5V

7.1V

1.2V

10.0V

9.1V

-28.4V

-36.8V

AC4.0V

4.7V

MUTE

OFF: 0V

ON: 0.7V

OFF: 0V

ON: 0.7V

MUTE

4.0V

0.6V 4.6V

4.6V

IC4

IC3 IC1IC2

IC6

ELECTRIC UNIT

(X25-6000-XX)

IC9

IC5

CN3

-30V AVR

CN3

L.P.F.

POST AMP

CONSTANT

+2.5V

BUFFER

CURRENT Q5

(OPTICAL)

CN1

u-COM

(BOTTOM VIEW)

DIGITAL

OUT

D10

RESET

SYSTEM

CONTROL

Rch1

Lch2

+7.0V AVR

(1/2)

Q12

MUTE CONT.

Q11

IC8

(1/2)

+5.0V AVR

D/A CONVERTER

Q10

Q14

IC7

IC8

(2/2)

IC7

MUTE

Q13

CONT.

R MUTE

WH1

CN2

DRIVER

LOADING MOTOR

(EMPH CONT.)

INVERTER

X X

)

(

)

(

)

(

)

(

)

(

)

(

)

(

()

)

(

)

(

)

(

)

(

)

()

)

(

)

(

)

(

()

)

(

)

(

)

(

()

)

(

)

(

()

(

)

()

)

(

()

)

(

)

(

()

(

)

(

)

(

C62

100P

R104

100

R103

100

R102

100

R101

R108

R107

1/4W

R105

2.2

1/4W

R106

100P

C61

2pin

1pin

F2 F1

UNIT No.MODEL NAME

DP-SE9

DP-SE7/SE7(G) X14-4520-21

X14-4530-21

C45

0.01

C44

100u10

100

R82

NC 63

SA 65

SC 67

+5V

47K

R77

47K

R76

R87

330

R86

100K

SBUSY

SDATA

0.01

OUT

4.3K

GND

VREF

330

R85

+5V

157

KR1

KR024

25 +5V

+5V

G122

211

202 G3

4.7K

180

-30V-30V

REM

GND

R35

C29

10K

+5V

IC7,8

100u10

+5V

330u6.3

C10

390P

+5V

C49 +

+5V+5V

+5V

100

R13

C54 220P

C53 220P

100K

R88

R90

100K

R89 100K

C55 0.01

SGND

3GND

+5V+5V

0.01

C30

+5V +5V

+5V

R79

4.7K

R78

4.7K

47K

R68

R67

47K

R69

VDD

+5V

R61

RST

AVSS

47K

R66

47K

R65

C46

0.01

47K

100

R84

12 4.7K

R60

47K

R63

47K

R64

R62

4.7K

SUBQ

STBY

SQCK

KR1

KR0

100

R83

NC 79

12G

GND

1D. OUT

100u10

GND

OUT 0.047

+5V

+7V

R12

220u10

OUT

4.3K

R11

VREF

GND

470P

C33

R41

100

-30V

+7V

SD 1368 66

10U50

100u50

6SB

220

1u50

R7 20K

+7V

SDATA

SBUSY

SCOR

MON

REM

VFL

GND3

+B1+B

2 GND

+5V

VPP

CLS. SW

OPN. SW

VDD

OPN. M

CLS. M

74.7K

R32

C30

10K

R36

47u35

C32

Q9-12

390P

1.5K

R34

C36 0.01

100

R42

R40

220

R15

R14

C11 100u10

C14 0.1

+5V

R29

C25

3.3K

+5V

+7V

+5V

-30V

0.01

C48

0.01

C59

C58

0.01

-30V

872 SG

VLOAD

SG 72

R91

5.1K

R53

4.7K

5.1K

R93

4.7K

R55

220P

C51

R27

3.3K

C23

R25R21

100P

10K10K

C21

AVDD

2.2

DZFR

VREF

AVDD 22

330u6.3

C39

AVDD

DZFL

R24

10K

R20

10K

100P

10K

41 10K

C22

R26

10K

40 10K

R22

R92

5.1K4.7K

R56

R28

3.3K

C24

AVSS

12K

R10

1u50

+5V

+7V

-30V

+7V

+5V

10K

+7V

10K

180

+5V

R49

C41

100u10

C42

0.1

22P

C57

R48

100

DACTEST2

RESETN

GNDX

VDD

GNDAR

RO+

RO-

0.01

C43

0.1

C15

330u6.3

C12

VDAL

LO-

LO+

GNDAL

DACTEST0

DACTEST1

VDAR 5

DEMO

DEM1

DFS

LRCK

SMUTE

SDATA

BICK

MCLK

CKS

DVSS

DVDD

220P

R94

C52

R54

5.1K4.7K

VDDVDD

R30 3.3K

C26

R47

VDD

+5V

22K

R59

C35 0.01

100K

C28

R38

1.5K

R33

4.7K

R31

C27

47u35

C31

R37

R58

22K

R45

R43

100K

1.2K

3-8

470P

C34

R39

Q13,14

R46

Q7,8

1.2K

R44

R75 RMUTE

VSS

100K

30 DEFECT

REF

28 AVDD

47K

R73

47K

XT2

R74

R81

47K

+5V

R80

0.1

10K

C47

SGATE

SCK

SDATA25

47K

R71

R72

+5V

1CLS SW

OPN SW

TM-

TM+

GND

+7V

15P

C18

C19

0.1

C16

C13

R16

16.93MHz

R57 1M

VDD

100

R17

100P

100u10

VDD

C56

+7V1

4DOUT

D+5V

MGND

+7V

6RST

DGND

10 40SENSE

SCOR

MON

C4M

SENS

DATA

37 CLK

LAT

40 40

IN1

VREF

OUT1

GND

4NC

3VCC

1IN2

OUT2

VDX

NMUTE

LRLH

MMOD1

MMOD0

HCKO

MCKO

MCKTH

GND

VDD

BCKI

DATAI

LRCKI

C50

33P

NFRNT

DRON

NNODR

P/S

C60

0.01

SCK

SGATE

SDAC

8FS

SDATA25

NRAMRS

12 38

15 9

13 37

SQCK

SUBQ

CLK

LAT

DATA

MCK

EMPH

BCK

PCMD

LRCK

29 NC

R51 470

R52 470

VDD

GND

VDD

C17

0.01

R18

10K

VDD

R50 470

NRSTO

LRCKO

DATAO

BCKO

TEST0

TEST1

8FSLRCKO

8FSLDATAO

8FSRDATAO

8FSBCKO

AOR+

AOL-

AOL+

DIF2

AOR-

DIF1

DIF0

0.1

C40

R19 R23

4830 R70

15P

sd2p 97.11.27 8:38PM y[W 2

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