Kenwood DS-401-TE Service Manual

CD CHANGER

DS-401TE

7

Q

Q

HONDA GENUINE

Genuin Part No. 08A26-4C6-100

TEL [phone] QQ 376315150 892498299

Refer to the service manual "KDC-C710" (B51-7104-00) when needing to refer to "Mechanism Assy Disassembly Procedure"
and "CD Changer Mechanism Operation Description."

3

SERVICE MANUAL

6

1

3

Dressing panel
(A21-4064-02)

5

1

5

0

Destination EU

Dressing panel
(A21-2381-02)

8

2

9

Extension DC cord
for service

LPS initial position
adjustment tool

Panel
(A64-1143-01)

4

9

C

2000-7 PRINTED IN JAPAN
B51-7648-00 (4) 1883

8

W05-0635-00

2

9

Parts No.

E30-4238-05

9

TEL [phone] QQ 376315150 892498299

TEL

OPEN

13942296513

10

COMPACT CHANGER 641H

DISC

Holder assy
(J19-4770-32)

Sticker set
(B42-4239-04)

Q

Q

3

7

6

3

1

5

1

0

5

Blind plate
(F19-1303-04)

Screw set
(N99-1654-05)

8

9

2

4

9

8

2

9

9

w

w

w

.

xia

o

y

u

1

6

3

.

c

o

m

DS-40 1TE

M5V

XOFF

LIM SW (S1)

L.P.S.

EJSW (S2)

ARMSW (S3)

MGSW (S1)

6.29MHz

AVREF0

X2

M

SPINDLE

SLED

M

LOE SW (S2)

FO.COIL

TR.COIL

PD2

PD1

BTL DRIVER

M

ELEVATOR

ELV.M.DR.

EEPROM

HOT

APC

A5V

Q1

+B

Q8

SYSTEM u-COM

IC9

IC2

SIGNAL

PROCESSOR

IC1

RF AMP

16.9344MHz

X1

P.ON

Q7

D5V D5V

Q9

8V/7V

+5V

M5V

RST

IC10

Q12

+B

SERVO+B

AVR

Q11

IC13

BU.DET

5V AVR

BU14V

DA5V

AUDIO VREF

IC4

L.P.F. MUTE

5VREG

+B

SYS

BUS

AUDIO

T0 H.U.

IC8

IC12

5

10

14

4

3

8

2

4

Q4,5

IC3

IC11

IC5,6

ISO AMP ANALOG SW

IC7

IE-BUS DRIV.

IC14

SYSTEM ON

Q17

SW

S1

OUT

ACC

ADDRESS

Q6

Ref.75

TH1

PIUKUP ASS'Y

(X13-899)

(X32-)

(X13-909)

(X92-) PU1

(X92-) M1

(X92-) M2

M3

(X92-)

(X92-)

BLOCK DIAGRAM

7

Q

Q

TEL [phone] QQ 376315150 892498299

3

6

3

1

5

1

5

0

8

9

2

4

9

8

2

9

9

TEL [phone] QQ 376315150 892498299

TEL

13942296513

Q

Q

7

3

3

6

1

1

5

5

0

8

9

2

4

9

8

2

9

9

2

w

w

w

.

xia

o

y

u

1

6

3

.

c

o

m

COMPONENTS DESCRIPTION

DS-40 1TE

7

IC1

IC2
IC3

IC4
IC5
IC6
IC7
IC8

IC9
IC10
IC11
IC12
IC13
IC14

Q1
Q2
Q3

Q4, 5

Q6
Q7
Q8

Q9
Q10
Q11

Q14

Q17

Q22

3

RF amplifier,error amplifier

Digital servo data processor
3-terminal regulator

D/A converter output active filter
Isolation amplifier
Isolation amplifier
Analog switch
Memory IC
System microcomputer
Reset IC
Motor drive
Motor drive
3-terminal regulator
IE-BUS driver/receiver
Laser control
Clock on/off
Audio mute driver
Audio mute
LSP power switch

13942296513

P-ON switch
Optical system 5V power supply
Servo 5V drive
Servo 5V switch
BU power supply detection switch
AVR 8V drive

AVR 8V/7V selector switch
AVR 8V switch

SYS ON switch
Fo/Tr hold when scratches detected
Scratch detection switch

Q

Q

CD PLAYER UNIT (X32-4380-00)

Ref. No. Use and Function Operation and Condition

TEL [phone] QQ 376315150 892498299

TEL

Q12, 13

Q15, 16

Q20, 21

6

3

1

5

1

5

0

RF amplifier, focus tracking error amplifier, APC circuit, reference
amplifier, mirror circuit, DEFECT circuit, RFOK circuit, EFM comparator,
vibration detection circuit
Digital servo data processing circuit, 8 fs oversampling filter, D/A converter,
digital loop filter
D/A converter, active filter 5V power supply
Differential amplifer
Unbalanced/balance conversion - left channel
Unbalanced/balance conversion - right channel

CD deck initial UP/DOWN position

Focus tracking actuator, thread motor, spindle motor drive
CD deck elevator motor drive
Servo 5V power supply
Communications between head units and the CD changer
Laser current control through voltage output from IC1 LD terminal
Clock off when "H" output from IC9 XOFF terminal
Mute on when "L" output from IC9 AMUTE
Mute on when "L" output from IC9 AMUTE
On when IC9 LPSCO is "L" during the power turned on and CD desk operating

Supplied from AVR 8V to P.UP, IC1 and IC2 AVDD

Turns on/off when power turned on

7V when "H" (normal play mode), 8V when "L" (mechanism operation
Lo-Ej, ELV)
Turns on/off when power turned on
Conducts slave operation upon receiving SYS ACC from head unit
Focus error, traking error upon scratch detection
Reference hold of signal

Q

Q

3

7

6

8

3

9

1

5

1

2

5

4

0

9

8

9

8

2

4

2

9

8

9

2

9

9

TEL [phone] QQ 376315150 892498299

9

w

w

w

.

xia

o

y

u

1

6

3

.

c

o

m

3

DS-40 1TE

CIRCUIT DESCRIPTION

7

Q

Q

(X32-) IC9 : SYSTEM µ-COM

No. Pin name I/O Description

1
2
3
4
5

6
7

TEL [phone] QQ 376315150 892498299

8

9

10
11

12
13

14
15
16

17,18

TEL

19~26

27
28
29
30

31

32
33
34
35

36
37
38

39

40
41

3

DI
DO
CLK
AVss
CS

NC
AVref1
SDI

SDO

SCK
TSTB

TCLK
TDATA

NC
AMUTE
NC
NO_SW1,2

13942296513

NC
ARMSW

8V/7V
ADJSEL
XOFF

NC

STB
Vss
AO
RST

AUDIO
LOCK
RFOK

TBCI

TBCO
LAON

6

EEPROM data input

I

EEPROM data output

O

EEPROM clock output

O

Analog GND

–

EEPROM chip select

O

Not used

O

DAC reference voltage input

I

Servo IC communications serial

I

data input
Servo IC communications serial

O

data output
Servo IC communications serial

O

clock output
Test jig strobe output

O

Test jig clock output

O

Test jig data output

O

Not used

O

Anlog mute

O

Not used

O

CD-CH identification switch

I

Not used

O

Arm switch input

I

8V/7V switching

O

Auto adjust yes/no terminal

I

Servo IC oscillation stop control

O

Not used

O

Servo IC communications strobe

O

output
GND

–

Servo IC communications address/

O

parameter setting switching
Servo IC communications reset

O

Analog switch

O

PLL lock identification signal input

I

RF OK input

I

Tracking/filter constant bank

I

switching data input
Tracking/filter constant bank

O

switching data output

O

Laser on

3

1

5

1

5

0

No. Pin name I/O Description

LIMSW

42

NC

43

LDESW

44

SP/LO+

45

SP/LO-

46

DMUTE

47

ELV+

48

ELV-

49

NC

50

PON

51

56
57
58

59
60

61
62
63

64
65

66
67

68

69,70

71
72

73
74

75
76
77

78
79

80

TYPE0~3
BUS_OUT
BUS_IN
SLNSA

ELVADJ
RESET

SBSY
MGSW
EJSW

7

3

NC
SYSON

SYS_ACC
BU_DET

Vdd
X2, X1

IC
NC

NC
AVdd

AVrefo
NC
HOT

LPS
NC

LPSCO

Q

52~55

Q

6

8

3

4

2

9

Limit switch input

I

Not used

O

Loading completed switch input

I

Spindle/loading motor output (+)

O

Spindle/loading motor output (-)

O

Driver mute

O

Elevator motor (+)

O

Elevator motor (-)

O

Not used

O

PON output

O

Test mode selector switch input 0~3

I

Bus data output

O

Bus data input

I

Thread blind sector yes/no control

I

Auto elevating position adjustment

I

motor
Reset

I
I

Sub code Q reading timing detection

I

Magazine switch

I

Eject switch

8

0

5

1

5

1

O

Not used

O

IE-Bus power on (when Acc on)

I

Standby control input

I

BU power supply detection
Positive power supply voltage

–

connection

–

Oscillator 2, 1

–

Internal connection

–

Not used

I

Not used

–

Analog power supply

I

Analog reference voltage input

O

Not used

I

Temperature rise detection

I

Linear positioning sensor input

O

Not used
Linear positioning sensor power

O

supply control

9

9

8

2

4

2

9

8

9

2

9

9

TEL [phone] QQ 376315150 892498299

9

4

w

w

w

.

xia

o

y

u

1

6

3

.

c

o

m

B CA D E

1

7

Q

Q

2

TEL [phone] QQ 376315150 892498299

3

3

PC BOARD (Component side view)

CD PLAYER UNIT (X32-4380-00)

1

5

1

6

3

X32-4380-00 (J74-0668-21)

5

0

8

9

2

4

9

8

2

9

9

TEL [phone] QQ 376315150 892498299

4

TEL

5

6

13942296513

(X32-4380-00)

Ref. No.
Address
Ref. No.
AddressQ13BQ23BQ34CQ43BQ53BQ64DQ73DQ85AQ93D
Ref. No.
Address

IC23CIC34CIC43BIC54BIC64BIC74BIC84DIC94CIC105DIC115BIC125CIC133EIC14

IC1

2B

Q153DQ164EQ175DQ185DQ195CQ202CQ212CQ22

Q

Q

3

2A

7

6

8

0

5

1

5

1

3

Q103DQ115DQ123EQ133EQ14

9

2

4

5C

3E

9

8

2

9

9

w

w

7

w

.

xia

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

o

y

u

1

6

3

.

c

o

m

5