Kenwood HM 383 MD Service Manual

Page 1

r\
\J

RXD71v133(K) intlp 01.4.10 11:16 AM \°-/1

MINI HiFi COMPONENT SYSTEM

RXD-M33/M33MD

/\
\/

KENWOOD

SERVICE MANUAL

(HM-333/HM-383MD)**

© 2001 -3/B51-5707-00 (K/K) 3663

1
o- Panel assy *
(A60-)
A on
I I @

C] lemma

volume] mum control

a...
rum?

I]

Knob
(K29-7907-04)

sound repen MD rec

O 0

07-70 70 o o

TAPE rec menu urluamo

Cassette holder ass'y *
(A53-)

0.

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

* Refer to parts list on page 36.

In compliance with Federal Regulations, following are repro-
duction of labels on, or inside the porducl relating to laser prod-
uct safely.

KENWOOD-Crop. certifies this equipment conforms to DHHS
Regulations No.21 CFFI 1040. 10, Chapter 1, subchapter J.

DANGER : Laser radiation when open and inlerlock defeated.
AVOID DIRECT EXPOSURE TO BEAM.

I I 4

Page 2

r\
\/

RXD71V133(K)int1p01.4.1011:16AM \°-/2

Contents

CONTENTS / ACCESSORIES / CAUTIONS
EXTERNAL VIEW ........................................

/\
\/

RXD-M33/M33MD

CONTENTS / ACCESSORIES / CAUTIONS

DISASSEMBLY FOR REPAIR...

BLOCK DIAGRAM ...........
CIRCUIT DESCRIPTION.
ADJUSTMENT..

Accessories

WIRING DIAGRAM .........
PC BOARD .....................
SCHEMATIC DIAGRAM
EXPLODED VIEW
PARTS LIST..
SPECIFICATIONS

,

(T90-0852-05)

AM loop antenna (1)

FM indoor antenna (1)

(T90-0877-05)

Remote control unit (1)

FWS L (1

.il
HID I
n

AC plug adaptor (1)
(E03-0115-05)

Use to adapt the plug on the power
cord to the shape of the wall outlet.

r 6
\#/ w (Accessory only for regions where
use is necessary.)
Batteries (Re/AA) (2)
.
Remocon & System Configuration
SYSTEM MAIN UNIT DESTINATION SPEAKER SP CORD-PARTS No COLOR
HM-383MD-S RXD-MSBMD-S MIXTE LS-M33-S E30-5917-08 SILVER
HM-383MD-LM RXD-MSBMD-L MTH LS-M33-LM E30-5917-08 BLUE(GRAIN CABI)
HM-383MD-N RXD-MSBMD-N MTV2 LS-M33-N E30-5917-08 GOLD
HM-333-S RXD-M33-S T1 H1 E1 LS-M33-S E30-5917-08 SILVER
HM-333-L RXD-M33-L T1 E1 LS-M33-L E30-5917-08 BLUE(SILVER CABI)
HM-333-N RXD-MSB-N T1 E1 LS-M33-N E30-5917-08 GOLD
HM-333-LM RXD-M33-L H1 LS-M33-LM E30-5917-08 BLUE(GRAIN CABI)
HM-333-S RXD-MSBE-S E2 LS-M33-S E30-5917-08 SILVER
HM-333E-L RXD-MSBE-L E2 LS-M33-L E30-5917-08 BLUE(SILVER CABI)
HM-333E-N RXD-M33E-N E2 LS-M33-N E30-5917-08 GOLD
HM-333-S RXD-MSB-S KPM1 |1 X1 LS-M33-S E30-5917-08 SILVER
HM-333-L RXD-M33-L KPV1 LS-M33-L E30-5917-08 BLUE(SILVER CABI)
HM-333-LM RXD-M33-L M1 |1 X1 LS-M33-LM E30-5917-08 BLUE(GRAIN CABI)
HM-333-N RXD-M33-N M1 LS-M33-N E30-5917-08 GOLD
HM-333-LM(M2) RXD-M33-L M2 LS-M33-LM E30-5917-08 BLUE(GRAIN CABI)
HM-333-N(M2) RXD-M33-N M2 LS-M33-N E30-5917-08 GOLD
Remote controller
MODEL Destinations Parts number Model name Battery cover
RXD-MSSMD THE A70-1491-05 RC-M0303E A09-1151-08
RXD-MSSMD MIXV2 A70-1492-05 RC-M0303 A09-1151-08
RXD-M33 KPM1 |1X1 V1 M2 A70-1493-05 RC-F0303 A09-1151-08
RXD-M33 T1 E1 H1 E2 A70-1494-05 RC-F0303E A09-1151-08
Cautions

Operation to reset
The microcomputer may fall into malfunction (impossibility to oper-

Unplug the power cord from the power outlet then, while

ate, erroneous display, etc.) when the power cord is unplugged
while unit is ON or due to an external factor. In this case, execute
the following procedure to reset the microcomputer and return it to
normal condition.

- Please note that resetting the microcomputer clears the contents
stored in and it returns to condition when it left the factory.

holding the Power I /<_I) key depressed, plug the power cord

again.
or

SQ

Page 6

r\
\J

RXDEMSS(K)int1p 01.4.10 11:16 AM «3? 8

RXD-M33/M33MD
CIRCUIT DESCRIPTION

4. Microprocessor : MN101C49KLB or MN101C49HLC(X29,IC701)

4-1 Microprocessor Periphery Block Diagram

/\
\/

X28101 RXD-M33MD only
DECK SYSTEM IC (HA12230NT) MD MECHA
HA12230NT MDM-o7
X29,IC1 5 f 1 $ 3
DOT DRIVER 4 R DECK MECHA.
(M66005-001FP) 752 (ADR-2176TR3)
X29,ED501 51% X29,I0601
Vaccume Fluorescent X29,|C701 2 SYSTEM IC
Display (HNA-16MM30T) (M61510FP)
X29,I022 MN1O1§49KLB TUNER PACK
5 3 _
DSP IC MN101C49HLC '
(MN662748RPMFA) g2, 3 PLL 3
X29,ICSO2
CD MECHA. 7 2 RDS IC (Err TYPE)
(KSM213) 72> (BU1923F)
2 t 2:»
| KEY | | REMOTE | | ENCODER |
KEY1,2 X29,A501 x29,3518
4-2 Port Description of Microprocessor
Port No. Port Name l/O Description H ACTIVE L
1 GND - Connected to ground.
2 PH I Deck reel sensor input.
3 TN TYPE I Discrimination of tuner destination.
4 S LEVEL l RDS signal level input. (RDS version only)
5 OD PROTECT I Detection port for CD protection.
*6 MD BACKV I Detection port for MD back up voltage.
7,8 KEY2,KEY1 | ND key (1,2) input.
9 NO USE - Unused.
10 VREF - A/D reference voltage input for the A/D converter.
11 VDD I Power supply input (+5V).
12 OSC2 0 Main clock output (8.38MHZ).
13 0801 | Main clock input (8.38MH2).
14 GND - Connected to ground.
15 XI l Timer clock input (32kHz).
16 XO 0 Timer Clock output (32kHz).
17 GND - Connected to ground.
*18 MD TXD 0 MD communication TX .(to mecha. u-com RX)
*19 MD RXD I MD communication RX .(to mecha. u-com TX)
20 NC - Unused.
21 FL SDATA 0 Data output to FL dot driver.
22 NC - Unused.
23 FL SCLK O Clock output to FL dot driver.
24 FL RESET 0 Reset output to FL dot driver. RESET
25 FL CE 0 CE output to FL dot driver.
26 REM I Remote control signal input.
27 MODEL TYPE I Discrimination port for model type. FIXED
28 CD BLKCK | Sub code synchronous signal input. LAH : Interrupt
29 RDSCLK l RDS Clock input. (Efl' version only)
30,31 ENC AB | Volume encoder (A/B) input.
32 VDD2 I Power supply input (+5V) for flash ROM writing.
33 RESET | Reset signal input for microcomputer. RESET
34 CE | Back up detection input. AC On AC Off
35 CL SW I Input port of close switch for CD tray.

8 >l< Used for RXD-M33MD only.

fizlxi

Page 13

r\
\/

RXDVM33(K)]NT1P72 014.1011:15 AM N-y 4

RXD-M33/M33MD

ADJUSTMENT

Cassette Deck adjustment 0st=O.775V
INPUT OUTPUT DECK ALIGNMENT
N° 'TEM SETTING SETTING SETI'ING POINT AL'GN FOR F'G'
I . CASSETTE MECHANISM UNIT
Demagnetizat . Demagnetize the REC / PLAY head
Demagnetiza ion: POWER hgggmggge with the head eraser. Clean the REC
< 1 > tion and - - OFF head Y a st n / PLAY head, erase head,capstan and
cleaning Cleanlng: . F]; rpll a pinch roller using a cotton swab
PLAY P'° ° 9 slightly damped with alcohol.
Azimuth of SOC-1727 Adjust the output to maximum and
the T007153 adjust the azimuth adjustmentscrewf F' 1
< 2 > MTT7114 (A) PLAY for the Lissajours wave orm pattern 0 lg.
REEéZIaAY 10kHz, ® ® the oscilloscope to become close to a
7 10dB RVS FWD 45° straight line.
T007110
- - Check the tape speed so that
TAPE SPEED M1111 11 Trlmmlng pot a - - -
< 3 > (NORMAL) 80071727 (A) PLAY in the motor. 3kHz(:2 /e) IZfOtEltealtraeg at the center Fig.1
3kHz p .
II. PC BOARD ADJUSTMENT
(B)
9%??th lle Record 400Hz and 12.5kHz
o JaC . alternately, and adjust the bias _
< 1 > CUIBRIQENT 400HZI - (A) RISES?" VS; (F-1)) current adjustment potentiometer for FIG-1
20st the playback levels to become the
12.5kHz: - same.
20st
SYSTEM CONNECTIONS
Fig.1
@
X28 0N1
(TAPE Lch),22 pin
(TAPE Rch),20 pin
Oscilloscope AC voltmeter
Frequency counter
13

Page 30

\j

68

9 >999}

=1: New Parts

Parts Without Parts No. are not Supplled

Les articles non mermonnes dans le Parts No. ne 50m pas fourms. 0

Talk; ohne Parts No. werden mcht gellefert

Add- New - - Desti- R:-
Ref. No ress PartsI Parts No. Description I nation marks

RXD-M33MD-S/L/N

601 1E * A01-3799-01 METALLIC CABINET MIXTEH S,L

601 1E * A01 -3799-O1 METALLIC CABINET V2 N

601 1E * A01-3812-01 METALLIC CABINET MT N

602 1E * A09-1151-08 BATTERY COVER

606 1F * A29-1126-03 PANEL (CD) MIXTEH S,L

606 1F * A29-1126-03 PANEL (CD) V2 N

606 1F * A29-1146-03 PANEL (CD) MT N

609 2E * A53-2262-08 CASSETTE HOLDER ASSY V2 N

609 2E * A53-2256-OB CASSETTE HOLDER ASSY MIXTE S

609 2E * A53-2256-OB CASSETTE HOLDER ASSY MTH L

609 2E * A53-2260-08 CASSETTE HOLDER ASSY MT N

611 2E * A60-2092-OB PANEL ASSY MIX S

611 2E * A60-2093-OB PANEL ASSY TE S

611 2E * A60-2094-08 PANEL ASSY M L

611 2E * A60-2095-08 PANEL ASSY TH L

611 2E * A60-2096-OB PANEL ASSY M N

611 2E * A60-2097-08 PANEL ASSY T N

611 2E * A60-2106-08 PANEL ASSY V2 N

612 1E * A70-1491-05 REMOTE CONTROLLER ASSY TEH

612 1E * A70-1492-05 REMOTE CONTROLLER ASSY MIXV2

620 2F * B11-1530-04 COLOR FILTER

- B46-0096-53 WARRANTY CARD X

- B46-0310-03 WARRANTY CARD E

- 346-0310-03 WARRANTY CARD T

- B46-0344-03 WARRANTY CARD V2

- BEE-096543 CAUTION CARD (T,XtypePL) TX

- B56-0966-13 CAUTION CARD (ELMtpyePL) MIE

- B58-1546-03 CAUTION CARD V2

- B56-1643-04 CAUTION CARD (CASSETTE EJEC)

- * B60-4926-00 INSTRUCTION MANUAL (FR) E

- * B60-4927-00 INSTRUCTION MANUAL (GE) E

- * B60-492B-00 INSTRUCTION MANUAL (NE) E

- * B60-4929-00 INSTRUCTION MANUAL (ITg E

- * B60-4930-00 INSTRUCTION MANUAL (E ) E

- * B60-4931-00 INSTRUCTION MANUAL (EN) IXT

- * B60-4931-00 INSTRUCTION MANUAL (EN) MT

- * B60-5038-00 INSTRUCTION MANUAL (SC) V2

629 2F * D40-1716-05 CASSETTE MECHANISM ASSY

BM 2E D16-0741-08 BELT MAIN

BS 2E D16-0705-08 BELT SUB

PF 2E D14-0360-08 PINCH ROLLER FWD

PR 2F D14-03B1-08 PINCH ROLLER RVS

632 1E E03-0115-05 AC PLUG ADAPTER

633 1G E30-2717-05 AC POWER CORD X

633 1G E30-2B24-15 AC POWER CORD V2

633 1G E30-2B29-05 AC POWER CORD T

633 1G E30-2942-05 AC POWER CORD IE

633 1G E30-2942-05 AC POWER CORD M

633 1G E30-2950-05 AC POWER CORD

634 2F E35-2716-05 WIRING HARNESS (CAS HEAD)

635 2F,2G * E35-2791-15 FLAT CABLE (21F)

636 1G,2G * E35-2792-05 FLAT CABLE (15F)

637 1F.2G * E35-2793-05 FLAT CABLE (27F)

L: Scandinavia K: USA P : Canada R : Mexico 0 : China I 2 MaIaysIa

V : PXIFar East,HawauI T: England E : Europe G : Germany V : ChlnaIShanghaI)

AATESIEumpeI x : Australia a ; Rum H ; Korea M : Other Areas A Indmales salew crmcal cumpunents.
S : Sllver L: Blue N : GDId

%

>9

BEBE

* New Parts
Parts wnhout Parts No. are not supphed,

Les amcIes non menuonnes dans le Parts No. me 50m pas fournls 9
Telle ohne Parts No. warden nlcht gehefen,
Add- New - - Desti- Re-
Rel. No ress Pam Parts No. Description "mo" marks
63B 1F,1G * E35-2794-15 FLAT CABLE (16P)
639 2 F,2G * E35-2825-05 FLAT CABLE (23P)
640 2 F * E35-2874-05 FLAT CABLE (12P)
644 1G * F07-1728-02 COVER
650 2F * G01-4246-04 TORSION COIL SPRING
652 1F G10-0536-04 NON-WOVEN FABRIC
653 1F * G11-2795-04 CUSHION
- * H10-7735-02 POLYSTYRENE FOAMED FIXTURE MIXHV2
- * H10-7736-02 POLYSTYRENE FOAMED FIXTURE MIXHV2
- * H10-7737-02 POLYSTYRENE FOAMED FIXTURE TE
- * H10-7735-02 POLYSTYRENE FOAMED FIXTURE TE
- * H12-3541-04 PACKING FIXTURE MIXH
- H25-1642-04 PROTECTION BAG
- * H25-1694-04 PROTECTION BAG TEHV2
- * H25-1695-04 PROTECTION BAG
- * H25-1695-04 PROTECTION BAG MI
- * H50-4005-14 ITEM CARTON CASE T S
- * H50-4006-04 ITEM CARTON CASE T L
- * H50-4007-14 ITEM CARTON CASE T N
- * H50-4008-1 4 ITEM CARTON CASE E S
663 1G * J42-0083-05 POWER CORD BUSHING V2
663 1G * J42-0349-05 POWER CORD BUSHING
- J61 -0307-05 WIRE BAND (CD MECHA)
668 2 E * K29-7907-04 KNOB
677 2G * L07-2964-05 POWER TRANSFORMER TEH
677 2G * L07-2967-05 POWER TRANSFORM ER IX
677 2G * L07-2969-05 POWER TRANSFORM ER M
677 2G * L07-2970-05 POWER TRANSFORM ER V2
676 1 F T90-0852-05 LOOP ANTENNA
679 1F * T90-0877-05 LEAD WIRE ANTENNA
680 2G * W02-2783-05 TUNER ASSY M IXV2
660 2G * W02-2784-05 TUNER ASSY TEH
RXD-MSS-S/LIN (T,E,H,E2)
601 1E * A01-3799-01 METALLIC CABINET E2 S,L
601 1E * A01-3799-01 METALLIC CABINET H1T1E1 S,L
601 1E * A01-3812-01 METALLIC CABINET T1E1E2 N
602 1E * A09-1151-08 BATTERY COVER
606 1F * A29-1126-03 PANEL E2 S.L
606 1F * A29-1126-03 PANEL H1T1E1 S,L
606 1F * A29-1146-03 PANEL T1E1E2 N
609 2E * A53-2257-08 CASSETTE HOLDER ASSY E2 S
609 2E * A53-2257-08 CASSETTE HOLDER ASSY H1T1 E1 S
609 2E * A53-2259-08 CASSETTE HOLDER ASSY E2 L
609 2E * A53-2259-08 CASSETTE HOLDER ASSY H1T1E1 L
609 2E * A53-2261-08 CASSETTE HOLDER ASSY T1E1E2 N
611 2E * A60-2100-08 PANEL ASSY E2 S
611 2E * A60-2100-08 PANEL ASSY H1T1E1 S
L:Scand1navia KIUSA PICanada RZMBXIED CIChma I:MaIav5Ia
V:PX(TarEasI,HawaH) T: EngIand VIChInaIShanghal)
v : AAFESIEumpe) x : Ausuaha M : Other Areas A Indicates safety cnucal cumponems.

fl?

GWSSW/SSW'GXH

.LSI'I SlHVd

ZI {:fi.» WV 51311 GI"? 10 ZdIlM ()INEWGXH