Kenwood RXD-355M-H, RXD-355E-H, RXD-355-H, RXD-355E, RXD-355M User Manual

MINI HiFi COMPONENT SYSTEM

70%

RXD-355/355-H/355E
RXD-355E-H/355M/355M-H

SERVICE MANUAL

(XD-355)**

This manual is available for M, X and Y types.

Panel ass'y *
(A60-)

© 2001-9 PRINTED IN KOREA
B51-5757-00 (K/K) 533

Panel(CD)
(A60-2090-08)

FL panel *
(B10-)

Cassette lid(L)
(A21-3958-08)

Knob(VOLUME)
(K29-8047-08)

Dress ring
(A21-3966-08)

Cassette lid(R)
(A21-3959-08)

**Refer to page 2 if you want to know system configuration.

In compliance with Federal Regulations, following are repro­duction of labels on, or inside the product relating to laser prod­uct safety.

* Refer to parts list on page 27.

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.

AM Loop Antenna(1)
(T90-0879-08)

“AA” size battery (UM/SUM-3,

R6, HP-7 or similar)(2)

Remote Control(1)
(A70-1531-08): MM1XX1
(A70-1537-08): EE1E2E3T

FM Antenna(1)
(T90-0883-08)

Use to adapt the plug on the
power cord to the shape of the
wall outlet.
(Accessory only for regions where
use is necessary.)

AC Plug Adaptor (1)

(E03-0115-05)

RXD-355

The marking this product has been
classified as Class 1. It means that there
is no danger of hazardous radiati
outside the product.

CONTENTS / ACCESSORIES / CAUTIONS

Contents

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

EXTERNAL VIEW .......................................................3

DISASSEMBLY FOR REPAIR....................................4

BLOCK DIAGRAM ......................................................8

CIRCUIT DESCRIPTION ............................................9

ADJUSTMENT ..........................................................12

Attention

Please contact our KENWOOD Service Department in your side if you want the service information; Circuit Description. Full

Described Parts list and so. Information is available to you by internet from us.

Accessories

PC BOARD ...............................................................13

SCHEMATIC DIAGRAM .......................................... 17

EXPLODED VIEW ....................................................25

PARTS LIST..............................................................27

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

SYSTEM MAIN UNIT DESTINATIONS SPEAKERS

XD-355 RXD-355 E,T LS-N30S
XD-355 RXD-355M M,X LS-N30S
XD-355E RXD-355E E2 LS-N30S
XD-355E-H RXD-355E-H E3 LS-N30S-H
XD-355-H RXD-355M-H M1,X1,Y1 LS-N30S-H
XD-355-H RXD-355-H E1 LS-N30S-H

2

CautionsSystem Configuration

CLASS 1

LASER PRODUCT

ANTENNA

AM

LOOP

FM
75

VIDEO

/AUX

SPAN
SELECTOR

230V

240V

FM 50kHz

AM 9kHz

FM 100kHz
AM 10kHz

++

--

-

L

SPEAKERS

RATED SPEAKER IMPEDANCE:

6 OHMS MIN.

R

LR

Cabinet(TOP)
(A02-3014-08)

RXD-355

EXTERNAL VIEW

AC power cord bushing
(J42-0338-08)

AC power cord
(E30-2881-08)

FM Antenna
(E70-0145-08)

Pin jack
(E63-1219-08)

Lock terminal board
(E70-0151-08)

3

Caution on Disassembly

Follow the below-mentioned notes when disassembling
the unit and reassembling it, to keep it safe and ensure
excellent performance:

1. Take cassette tape and compact disc out of the unit.

2. Be sure to remove the power supply plug from the wall
outlet before starting to disassemble the unit.

3. Take off nylon bands or wire holders where they need be
removed when disassembling the unit. After servicing
the unit, be sure to rearrange the leads where they were
before disassembling.

4. Take suffcient care on static electricity of integrated
circuits and other circuits when servicing.

Figure 7-2

Figure 7-3

1 Top Cabinet 1. Screw ..................... (A1) x4 7-1

2 Side Panel 1. Screw ..................... (B1) x8 7-1

(Left/right)

3 CD Player Unit/ 1. Turn on the power supply, 7-2

CD Tray Cover open the disc tray, take out

the CD cover, and close.
(Note 1)

2. Screw ..................... (C1) x1

3. Hook ....................... (C2) x3

4. Hook ....................... (C3) x2

5. Socket .................... (C4) x2

4 Rear Panel 1. Screw ..................... (D1) x9 7-2

5 Main PWB 1. Screw ..................... (E1) x1 7-2

2. Socket .................... (E2) x3 8-2

3. Flat Cable .............. (E3) x1

4. Tip Wire .................. (E4) x1

6

Power Supply PWB

1. Flat Wire ................. (F3) x1 8-3

7 Display PWB 1. Screw .....................

(H1) x9

8-3

2. Socket .................... (H2) x1

8 Tape Mechanism 1. Open the cassette holder. 8-3

2. Screw...................... (J1) x5

9

Headphones PWB

1. Screw ..................... (K1) x1 8-3

10 Turntable 1. Hook ....................... (L1) x2 8-4

2. Cover ..................... (L2) x1

11 Disc Tray 1.

Turn fully the lock lever in the

7-3

arrow direction.

2.

While holding the lock lever,rotate

8-1
the cam gear until the cam gear
rib engages with the clamp lever.

3.

Push the slide holder backward to

8-5
engage the claw with the groove
and remove it in the direction

of the arrow. ..............

(M1) x6

12 CD Servo PWB 1. Screw ..................... (N1) x1 8-6

(Note 2) 2. Hook ....................... (N2) x2

3. Socket .................... (N3) x4

13 CD Mechanism 1. Hook ....................... (P1) x2 9-1

2. Hook ....................... (P2) x3

14

Loading Motor PWB

1. Hook ....................... (Q1) x5 9-1

STEP

REMOVAL PROCEDURE

FIGURE

Figure 7-1

Note 1:

How to open the changer manually. (Fig. 7-3)

1. In this state, turn fully the lock lever in the arrow direction
through the hole on the loading chassis bottom.

2.

While holding the lock lever, rotate the cam gear anticlockwise

until the cam gear rib engages with the clamp lever.

(Fig. 8-1)

3. After that, push forward the CD slide holder.

Note 2:

1. After removing the connector for the optical pickup from the
connector, wrap the conductive aluminium foil around the
front end of the connector so as to protect the optical pickup
from electrostatic damage.

Note 3:

1. Be careful not to break the claw of the CD mechanism.

2. When fining back the cam gear assembly, let it lock by front
movement.

RXD-355

DISASSEMBLY FOR REPAIR

4

Side Panel
(Right)

(B1)x2
ø3x10mm

(B1)x4
ø3x10mm

(C3) x1

Pull

Rear
Panel

(C1)x1
ø3x10mm

(D1)x7
ø3x10mm

(A1)x2
ø3x12mm

CD Servo
PWB

(C4)x2

Main PWB

Rear
Panel

1

(D1)x2
ø3x10mm

LOCK LEVER

Top Cabinet

DC Tray Cover

(E1)x1
ø3x10mm

(A1)x2
ø3x12mm

Side Panel
(Left)

(B1)x2
ø3x10mm

(C2) x3

1

2

CD Player
Unit

(C3)x1

Figure 8-1

Figure 8-2

Figure 8-3

Figure 8-4

Figure 8-5

Figure 8-6

CLAMP LEVER

CAM GEAR RIB

(E3)x1

(E4)x1

(E2)x2

Main PWB

(H1)x9
ø3x10mm

(H2)x1

(J1)x5
ø3x10mm

(K1)x1
ø3x10mm

(F3)x1

Display PWB

Headphones

PWB

Open

Cassette
Holder

Tape
Mechanism

Turntable

Disc Tray

(L2) x1

CD Player Unit

(L1) x2

1

3

2

(M1) x3

(M1) x3

(N3) x2

(N2) x2

(N3) x2

CD Servo

PWB

CD Player

Base

(N1)x1
ø3x8mm

DISASSEMBLY FOR REPAIR

RXD-355

5

RXD-355

Figure 9-1

(P2) x3

(P1) x1

(Q1) x5

(P1) x1

Loading
Motor
PWB

CD
Mechanism

REMOVING AND REINSTALLING

THE MAIN PARTS

TAPE MECHANISM SECTION

Perform steps 1 to 7 and 9 of the disassembly method to
remove the tape mechanism.

How to remove the record/playback and erase
heads (TAPE 2) (See Fig. 10-1)

1. When you remove the screw (A1) x 2 pcs., the recording/
playback head and three-dimensional head of the erasing
head can be removesd.

How to remove the playback head (TAPE 1)
(See Fig. 10-2)

1. When you remove the screw (B1) x 2 pcs., the playback
head.

How to remove the pinch roller (TAPE 1/2)
(See Fig. 10-3)

1. Carefully push the inside claw to remove it. The pinch roller
pawl in the direction of the arrow <A>, and remove the pinch
roller (C1) upwards.

Note:

When installing the pinch roller, pay attention to the spring
mounting position.

How to remove the belt (TAPE 1) (See Fig. 10-4)

1. Remove the main belt (D1) x 1 pc., from the motor side.

2. Remove the FF/REW belt (D2) x 1 pc.

Figure 10-1

Figure 10-2

Figure 10-3

(A1)x2
Ø2x9mm

TAPE2

Record/Playback
Head

Erase Head

(B1)x2
Ø2x9mm

TAPE1

Playback
Head

Pinch Roller
(C1)x1

<A>

STEP1

STEP2

DISASSEMBLY FOR REPAIR

6

How to remove the pickup (See Fig. 11-2)

1. Remove the stop washer (B1) x 1 pc., to remove the gear
(B2).

2. Remove the screws (B3) x 2 pcs., to remove the shaft (B4).

3. Remove the pickup.

Figure 11-2

CD MECHANISM SECTION

Perform steps 1, 2, 3, 11 and 14 of the disassembly method
to remove the CD mechanism.

How to remove the loading motor
(See Fig. 11-1)

1. Bend the hooks (A1) x 5 pcs., to remove the loading motor.

Figure 11-1

Note

After removing the connector for the optical pickup from the
connector wrap the conductive aluminium foil around the front
end of connector so as to protect the optical pickup from
electrostatic damage.

How to remove the belt (TAPE 2) (See Fig. 10-4)

1. Remove the main belt (E1) x 1 pc., from the motor side.

2. Remove the FF/REW belt (E2) x 1 pc.

How to remove the motor (See Fig. 10-5)

1. Remove the screws (F1) x 2 pcs., to remove the motor.

Figure 10-4

Figure 10-5

TAPE2

TAPE1
Main Belt
(D1)x1

TAPE2
Main Belt
(E1)x1

TAPE1

Main Belt

FF/REW
Belt
(E2)x1

FF/REW
Belt
(D2)x1

Motor

Motor

(F1) x2

Ø2.6x5mm

Motor

DISASSEMBLY FOR REPAIR

RXD-355

Loading Moter

(A1)x1

(A1)x2

(A1)x2

(B3) x2
ø2.6 x6mm

Shaft
(B4) x1

CD Base

Stop Washer
(B1) x1

Pickup

CD Mechanism
Gear
(B2) x1

7

2

6

7

4

8

1

5

3

22

23

21

14

4

1

2

9

5

17

16

OUT

IN

GND

VCC

MPX IN

AM OSC IN

AM OSC OUT

AM RF IN

5

3

4

21

20

1

152216

6

OSC

1

3

2

9

10

7

16

15

13

12

14

11

R

L
R
L

R

L

R

L

17

3

+B4

FM

OSC

AM IN

FM IN

FM OSC

FM+B

214R

L

8

18

AUX

TAPE

CD

TUNER

L

R

23

+B4

R

L

24

2

3
4
6

9

16

T1/T2

REC

13

4

5

7

18

VCC

1

+B3

+B3

23

14

12

21

20

P.B

H/N

17

8

15

19

NOR/

HIGH

T1/T2

+B4
L
R

L
R

10

L NF
R NF
ALC

REF

R REC

R NF

L REC

POP REDUCE

R(T2)

L NF

R(T1)

L(T2)

L(T1)

+B4

+B4

REC

VH+

VH-

151R

L

9

13

7

108R-OUT

L-OUT

SP.DET.

12-14

25-36

15-24

4-11

1,2

38,39

10

6

7-9

1

2

21

56

58

59

575554

4950484746

43

42

67-78

79

80-89

90-92

93-100

52

53

51

45

44

41

40

38

39

36

37

25

33-31

34

35

11

16

13

12

17-20

+B7

+B7

+B7

+B7

+B7

VDD

VLOAD

RESET

VDO

22

23

24

CECLDO

DI

VDD

AVDD

+B6

BIAS

T1/T2

REC

1

2

3

+B7

+B3

+B6

-

-

+

+

R-CH

L-CH

+B1

M12V

+B2

A10V

VF2

+B4

63Hz

30

7

-B2

4

1

8

10Hz 1K

29

28

VF1

+5V

CD+B

+B3

T1/T2

P.B

REC

P.B

4

5

TV

FM IF IN

REG

3

+B4

8

192018

FM/AM

OUT

15

L

R

12

11

10

12 IF IN

13

6

SD

10

13

FM MONO/ST

11

7

STEREO

MONO/ST

IF OUT

24

IN

OUT

AFC

AM RF IN

+B4

17FM

+B4

6

CE

DI

CL

DO

16

2

4

8

3

7

151413

11

10

9

63-66

MPX IN

VSSA

VDDA

RDS-ID

RDCL

RDDA

RST

XIN

VDDD

VSSD

XOUT

AM RF

31

31

31

2

POWER AMP.

IC901

TERMINAL

AM LOOP ANT

FM FRONT END

FE301

CF301

FM IF

FM IF

COVERAGETRACKING

AM AM BAND

T303 T306

T351

IC303

FM/AM IF MPX.

LA1832S

X351
456kHz

PLL(TUNER)

LC72131

IC302

4.5MHz

X352

Q360

CNS11

from CD SECTION

CNP1

LC75341

IC401

AUDIO

SO401

VIDEO/

M

IC101

Q703

Q704
Q705

54PIN

IC700

IC700
56PIN

53PIN

IC700

55PIN

IC700

MOTOR
DRIVER

TAPE MECHANISM
ASSEMBLY

SOLM1,SOLM2

SOLENOID

MM1

MOTOR

TAPE

SWM2

T2 PLAY

R.PLAY

SWM4

SWM1

T1 PLAY

SWM3

F.PLAY

AN7345K

/PLAYBACK AMP.

PLAYBACK

Rch

Lch

Rch

Lch

TAPE 1

TAPE2

PB HEAD

REC/PB HEAD

SWITCHING

Q103-106

SWITCHING

108

AC BIAS

Q111

Q109

Q113

Q110

SWITCHING

Q121,122

MUTING

SWITCHING

ERASE

HEAD

Q114,L104

BIAS OSC

SWITCHING

Q112

BIAS

AM IF

-20dB
ATT

SYSTEM
MUTE

604 402

Q901-

FL701

DISPLAY

IC700(1/2)

SYSTEM

UPD780206

708

Q706-

MICROCOMPUTER

Q700

RESET

XL701

4.1943MHz

VR701

JOG

RX701

SENSOR

REMOTE

KEY0-2

to CD
SECTION

JK981

HEADPHONES

M

M901

FAN MOTOR

Q971

DRIVER

Q951

RL951

SO901

TERMINAL

SPEAKER

T801

TRANSFORMER

F801

T4A L 250V

F802

T4A L 250V

D809

D802-805

Q813

F803

T2AL 250V

KIA7810AP

REGULATOR

VOLTAGE

IC812

ZD810

T2AL 250V

F804

KIA4558

MICROCOMPUTER

IC700(2/2)

OPE
AMP.

562

SYSTEM

UPD780206

IC811

Q875

D801

D872-875

T802

SUB POWER

TRANSFORMER

RL801

AC POWER

SUPPLY CORD

AC 230V 50Hz

UNSWITCH 5V

VOLTAGE

MAIN POWER

AUX IN

AND RECORD

Q107,

PROCESSOR

Q603, Q401,

IC561,

904

ANTENNA

SO301A

Q301

AMP

FM IF

CF302

FM IF

CF351

L.P.F

L354

QT21

AMP

L341

BALUN

REGULATOR

LC72723

IC304

4.332MHz

XT21

RDS DECODER

STK402-070

D876

D831

KIA7805AP
VOLTAGE

REGULATOR

REGULATOR

CONSTANT

AN78L05

IC852

VOLTAGE

FILTER

LINE

L801

SOCKET

AC INPUT

SO801

RXD-355(E,T)

8

RXD-355

BLOCK DIAGRAM

Enter the Test Mode

OPEN/CLOSE operation is using manual

<< $ ! >>, << ⁄ › >> buttons make pick's slide possible.

<< PLAY >> key input << MEMORY >> key input

Do TOC IL. Do normal play

Laser ON.

When these following key is input
into PLAY key, track number can << MEMORY >> key input
be appoint directly

Tracking OFF play at that
specific point

<< MEMORY >> key input

Remote Controller Only

<<DISC 1>> key: Track 4 Tracking ON play from that
<<DISC 2>> key: Track 9

specific point

<<DISC 3>> key: Track 15

<< MEMORY >> key input

<< STOP >> key input

STOP

<< STOP >> key input

STOP

XX :Hex value

Sliding the PICKUP with
<< $ ! >>, << ⁄ › >>button

must only be in STOP mode.

D ST E TC

Adjustment result automatically will
display as below for each 2 sec :
a)"FOFF__XX"
b)"TOFF__XX"
c)"TBAL__XX"
d)"TGAN__XX"
f)"FGAN__XX"
g)"RFLS__XX"

CIRCUIT DESCRIPTION

1. Test Mode

1-1 How to Set up the Test Mode

During POWER OFF mode, push below each 2 keys and [POWER] key.
Then go to each TEST MODE.

KEYS TEST MODE

[ POWER ] [ SOUND ] + [ CD ] CD TEST MODE

[ POWER ] [ SOUND ] + [STOP ] ALL CLEAR (RESET)

[ POWER ] [ TUN DOWN ] + [ TUNER ] PRODUCTION INITIALIZE FOR CHANGER

[ POWER ] [ REC ] + [ CD] CD CHANGER TEST

1-2 Cancelling the Test Mode

Turn the power off.

1-3 Contents of the Test Mode

1-3-1 CD Test Mode

RXD-355

<< MEMORY >>
key input

Adjustment result
automaticallywill
display as below
for each 2 sec :
a)"FOFF__XX"
b)"TOFF__XX"
c)"TBAL__XX"
d)"TGAN__XX"
f)"FGAN__XX"
g)"RFLS__XX"

9