Service Manual for KENWOOD KXF-W1030

STEREO DOUBLE CASSETTE DECK

CT-401/403

KXF-W1030/W1030-S

KXF-W3030/W3030E/W3030-S

SERVICE MANUAL

70%

(dB)

5

0+3

+6

(dB)

DPSS

TAPE

B

AUTO REVERSE

TAPE

A

AUTO REVERSE

POWER

- ON OFF

1

@#

7

@#

7

¡

18PAUSE ¶REC/ARM

¡

REC LEVEL

MIN

MAX

PUSH/OPEN

0

PUSH/OPEN

0

REV.MODE DOLBY NR

DUBBING

DOLBY NR

p

O

PEAK LEVEL METER

LINE IN

REC

PLAY

LINE OUT

SYSTEM CONTROL

L

R

Power button *

(K27-)

Cassette window (L)

(B03-3862-08)

Volume knob *

(K27-)

LED window

(B03-3865-08)

Cassette window (R)

(B03-3863-08)

Player button (L) *

(K27-)

Cassette door (L) *

(A53-)

Front panel *

(A60-)

Cassette door (R) *

(A53-)

Player button (R) *

(K27-)

AC power cord *

(E30-)

RCA jack

(E11-0917-08)

Phone jack

(E11-0918-08)

* Illustration is CT-403/KXF-W3030.

* Refer to parts list on page 13.

Metallic cabinet *

(A01-)

Audio

(E30-0505-05)

cord .................... (2)

AC

(E03-0115-05)

plug adaptor........... (1)

System

(E30-2816-05)

control cord ... (1)

(Except for Europe and Australia)

For the unit with an European AC

plug in areas other than Europe.

CT-401/403/KXF-W1030/W3030

2

CONTENTS / ACCESSORIES

CONTROLS

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

CONTROLS ................................................................2

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

ADJUSTMENT ............................................................4

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

SCHEMATIC DIAGRAM ............................................ 7

EXPLODED VIEW ....................................................12

PARTS LIST..............................................................13

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

Contents

Accessories

DISPLAY

DOLBY NR reference level

(dB)

--5

0+3

+6

(dB)

DPSS

TAPE

B

TAPE

A

POWER

- ON OFF

1

3

7

3

7

¡

18PAUSE ¶REC/ARM

¡

REC LEVEL

MIN

MAX

PUSH/OPEN

0

PUSH/OPEN

0

DOLBY NR

DUBBING

DOLBY NR

(dB)

--5

0

+3

+6

(dB)

DUBBING

DOLBY NR

PEAK LEVEL METER

FULL LOGIC CONTROL

21

0

34

5

6 7

8

9

!@

DISPLAY

1 Deck A

Playback-only tape deck.

2 POWER switch:

Press to turn power

- ON and OFF.

3 Deck A operation keys

3 key :

Play key.

1 key:

Rewind key. (for fast winding of tape

toward the left reel seen from you)

33 key:

Fast forward key (for fast winding of

tape toward the right reel seen from

you)

7 key:

Stop key.

4 Cassette holder (Deck A)

Press the area marked "PUSH/OPEN

0" to load or eject a tape.

5 Cassette holder (Deck B)

Press the area marked "PUSH/OPEN

0" to load or eject a tape.

6 Deck B operation keys

3 key :

Play key.

1 key:

Rewind key (for fast winding of tape

toward the left reel seen from you)

33 key:

Fast forward key (for fast winding of

tape toward the right reel seen from

you)

7 key:

Stop key

¶ REC/ARM key:

Press in stop mode to start recording

or press in record mode to let the

recording pause after leaving a non-

recorded blank of 4 seconds.

indicator : (Recording indicator)

8PAUSE key:

Press to let recording pause temporarily.

7 REC LEVEL control:

Adjusts the recording level.

8 DUBBING key:

Press to start tape dubbing.

9 DOLBY NR key:

Press to select the Dolby Noise Reduction

mode.

0 Deck B

Tape deck which is capable of both

playback and recording.

! DOLBY NR indicator

@ DUBBING indicator

1 Deck A

Playback-only tape deck.

2 POWER switch:

Press to turn power

- ON and OFF.

3 Deck A operation keys / indicators

@ , # keys : (Play keys)

@ , # indicators : (direction indicators)

Tapes are played in the directions

indicated by their respective indicators.

1 key:

Rewind key (for fast winding of tape

toward the left reel seen from you)

33 key:

Fast forward key (for fast winding of

tape toward the right reel seen from

you)

7 key:

Stop key

4 Cassette holder (Deck A)

Press the area marked "PUSH/OPEN

0" to load or eject a tape.

5 Cassette holder (Deck B)

Press the area marked "PUSH/OPEN

0" to load or eject a tape.

6 Deck B operation keys

@ , # keys : (Play keys)

@ , # indicators : (direction indicators)

Tapes are played in the directions

indicated by their respective indicators.

1 key:

Rewind key (for fast winding of tape

toward the left reel seen from you)

33 key:

Fast forward key (for fast winding of

tape toward the right reel seen from

you)

7 key:

Stop key

¶ REC/ARM key:

Press in stop mode to start recording

or press in record mode to let the

recording pause after leaving a non-

recorded blank of 4 seconds.

indicator : (Recording indicator)

8PAUSE key:

Press to let recording pause temporarily.

7 REC LEVEL control:

Adjusts the recording level.

8 DOLBY NR key:

Press to select the Dolby Noise Reduction

mode.

9 DUBBING key:

Press to select the DUBBING mode.

0 REV.MODE key:

Press to select the REVERS mode.

! Deck B

This deck is capable of both playback and

recording.

@ Reverse mode indicators

# DOLBY NR indicator

$ DUBBING indicator

DISPLAY

DOLBY NR reference level

DISPLAY

(dB)

--5

0+3

+6

(dB)

DPSS

TAPE

B

AUTO REVERSE

TAPE

A

AUTO REVERSE

POWER

- ON OFF

1

@#

7

@#

7

¡

18PAUSE ¶REC/ARM

¡

REC LEVEL

MIN

MAX

PUSH/OPEN

0

PUSH/OPEN

0

REV.MODE DOLBY NR

DUBBING

DOLBY NR

p

O

(dB)

--5

0

+3

+6

(dB)

DUBBING

DOLBY NR

p

O

2

34

5

6 7

8

9

0

@#$

1

!

PEAK LEVEL METER

CT-401/KXF-W1030

CT-403/KXF-W3030

Pin No.

Pin Name

I/O

Description

Active

HL

1

AC-CHK

I

Power failure input.

AC on

AC off

2,3

VSS

I

Connected to ground.

4

SYS-DATA

I

System control data in.

5

SYS-BUSY

I/O

System control busy output.

6

DOLBY

O

Dolby NR output.

off

on

7

METER-GAIN

O

Meter amplifier gain control.

other

DPSS

8

REC/PB

O

Dolby NR REC/PB control.

PB

REC

9

PB-EQ/NORMAL

O

PB EQ. switch control.

70u

120u

10

REC-EQ-TYPE 1

O

Rec EQ. switch (TYPE 1) control.

11

REC-EQ-TYPE 2

O

Rec EQ. switch (TYPE 2) control.

12

SYS-DO

O

Connected with system data.

13

LED-A-FWD PLAY

O

LED control port of A FWD PLAY.

14

LED-A-REV PLAY

O

LED control port of A REV PLAY.

15

LED-B-REV PLAY

O

LED control port of B REV PLAY.

16-20

NC

-

Unused.

21

SOL-A

O

A deck solenoid control.

22

SOL-B

O

B deck solenoid control.

23

VSS

-

Connected to ground.

24

VDD

-

Power supply(+5.0v).

25

MECHA-VCC

-

Control port of power supply for deck.

Play

Stop

26

REC

O

Control port of REC/PLAY.

Rec

Other

27

REC-MUTE

O

Muting control port for recording.

Other

Rec

28

A/B

O

Control port of A or B deck.

A play

Other

29

DUBBING

O

Unused.

30

BIAS

O

Bias control port.

Other

Rec

31

INPUT-MUT

O

Input muting control.

off

on

32

LINE-MUTE

O

Line muting control.

off

on

33

A-REEL

I

Reel puls input of A deck.

34

HALF-SW

I

Half switch input of A deck.

35

A-MODE-SW

I

Mode switch input of A deck.

Stop

Play

36

B-REEL

I

Reel puls input of B deck.

37

B-HALF-SW

I

Half switch input of B deck.

38

B-MODE-SW

I

Mode switch input of B deck.

39

B-REC-FWD-SW

I

Forward rec detection switch input.

40

B-REC-REV-SW

I

Reverse rec detection switch input.

41

DO

O

Data output to IC601(BU2099FV).

42

SI

-

Unused.

43

CLK

O

Clock output to IC601(BU2099FV).

44

LCK

O

IC601(BU2099FV) LCK.

45

OE

O

IC601(BU2099FV) OE.

46

NC

-

Unused.

47

SDA

O

EE PROM(IC304) SDA.

48

SCL

O

EE PROM(IC304) SCL.

49

NC

-

Unused.

50

RESET

I

Reset signal input.

51

VDD

-

Power supply(+5.0v).

52

NC

-

Unused.

53

VSS

-

Connected to ground.

54

CF 6.0 MHz

-

Main system clock.

55

CF- 6.0 MHz

-

Main system clock.

56

VDD

-

Power supply(+5.0v).

57-59

K1-K3

I

Key(1-3) input.

60

MODE-SW

I

Mode switch input.

61

NC

-

Unused.

62

A-CRO2

I

A CrO2 switch input.

CrO2

Nor

63

B-CRO2

I

B CrO2 switch input.

CrO2

Nor

64

METER

I

Input port of level meter.

1. Pin description of microprocessor. LC865612A(IC302)

CT

-401/403/KXF-W1030/W3030

3

CIRCUIT

DESCRIPTION

2. Pin description of LED driver. ( BU2099FV ,IC601)

3. Key matrix

Pin No.

Pin Name

Description

Active

Remarks

Port

SW1

SW2

SW3

SW4

SW5

SW6

HL

K1

A FWD

* A REV

A

-

6

L1

Level Meter

X

(Pin 57)

PLAY

STOP

FF

REW

7

L2

Level Meter

X

K2

B FWD

* B REV

B

REC/

8

L3

Level Meter

X

(Pin 58)

PLAY

STOP

FF

REW ARM

9

L4

Level Meter

X

K3

* REV.

DUBBING

DOLBY

B

--

10

L5

Level Meter

X

(Pin 59)

MODE

NR

PAUSE

11

A-REV

1 WAY/1WAY

X

W3030 only

* KXF-W3030 only

12

B

1WAY/REV

X

W3030 only

( ) u-COM port

13

C

REV/REV

X

W3030 only

14

B-FWD

X

W3030 only

15

REC

REC LED

X

16

NR

DOLBY NR LED

off

on

17

DUBBING

DUBBING LED

off

on

: LED lights on

X : LED lights off

4. Mode SW

Port

SW1

SW2

SW3

(Pin 60)

1 WAY + 1 WAY

1 WAY + REV.

REV. + REV.

( ) u-COM port

CN105

To Frequency counter

CT-401/403/KXF-W1030/W3030

4

ADJUSTMENT

(b) AZIMUTH ADJUSTMENT

(c)

(a) AZIMUTH ADJUSTMENT

SYSTEM CONNECTIONS

No.

ITEM

INPUT

SETTINGS

OUTPUT

SETTINGS

CASSETTE DECK

SETTINGS

ALIGNMENT

POINT

ALIGN FOR

FLG.

CASSETTE DECK SECTION

TAPE: NORMAL, DOLBY: OFF, INPUT: LINE IN

0 dBs = 0.775 V

I. REC/PLAY HEAD

[ 1 ]

DEMAGNET-

IZATION

POWER OFF

Remove the cassette door.

REC/PLAY

head

Demagnetize the REC/PLAY

head with a head

demagnetizer.

[ 2 ]

CLEANING

PLAY

REC/PLAY

head, erase

head, capstan

pinch roller

Clean the REC/PLAY head,

erase head, capstan and

pinch roller using a cotton

swab slightly damped with

[ 3 ]

AZIMUTH

(A)

MTT·114, TCC-153

0 kHz, -10 dB

(B)

PLAY

Azimuth

adjustment

screw

Maximum output.

(a)

II. DC BOARD

[ 1 ]

TAPE SPEED

(A)

MTT-111, TCC-110

3 kHz

(B)

PLAY

SFR301

Adjust the tape speed so

that a 3 kHz signal is

produced at the center of

(b)

(c)

III. PC BOARD

< 1 >

PLAYBACK

LEVEL

MTT-150

400 Hz (200 nWb)

(B)

PLAY

DECK B

SFR101 (L)

SFR102 (R)

Output level :

±1 dBs

< 2 >

< 3 >

BIAS

REC BIAS

OSC

FREQUENCY

Recording

L107

105 kHz

± 3 kHz

Record 1kHz and 10kHz in

alternation and playback.

Record and playback at

maximum REC volume

position.

CURRENT

(A)

1 kHz, -20 dBs

10 kHz, -20 dBs

(B)

SFR105 (L)

SFR106 (R)

Record 1 kHz and 10 kHz in

alternation and adjust the

variable resistors which

control the bias current so

that the playback level

is obtained 0 dBs

± 3 dBs.

< 4 >

RECORD

LEVEL

(A)

1 kHz, -20 dBs

(B)

SFR107 (L)

SFR108 (R)

0 dBs

± 3 dBs

alcohol.

the tape.

LINE IN

REC

PLAY

LINE OUT

SYSTEM CONTROL

L

R

(A)

(B)

AC voltmeter

AG

Oscilloscope

AC voltmeter

Frequency counter

KXF-W3030

KXF-W1030

ACE

G

I

BD

F

H

J

2

1

3

5

7

4

6

1

I

G

O

I

1

15

16

1

5

2

9

1

110-120V

220-240V

110

20

11

9

GO

O

OG

I

3

1

15

2

E

B

E

B

E

B

E

B

E

B

E

B

E

B

1

15

2

1

3

1

E

B

E

B

E

B

E

B

E

B

E

B

E

B

E

B

E

B

E

B

E

B

E

B

E

B

E

L

R

L

R

PLAY

REC

AC SELECT SW

B

E

B

E

B

E

B

E

B

E

B

E

B

E

B

E

B

E

B

2

1

5

1

5

1

2

B

E

B

E

B

E

1

3

1

47

SYSTEM

CONTROL

LINE

OUT

POWER

REC LEVEL

LINE

IN

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

PC BOARD(Component side view)

5

6

KENWOOD KXF-W1030 Service Manual

Manual details

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