Kenwood KDC-W241AY - User Manual

This product uses Lead Free solder.
This product complies with the
RoHS directive for the European market.
SERVICE MANUAL
© 2007-10 PRINTED IN JA PAN
B53-0579-00
(
N
)
223
KDC-W241AY/W241GY
KDC-W3041A/W3041AY
KDC-W3041G/W3041GY
KDC-W312A/W312AY
KDC-W312G/W312GY/W312SAY
CD RECEIVER
TDF SPARE-PANEL
MAIN UNIT NAME TDF PARTS No. TDF NAME
KDC-W241AY Y33-2840-66 TDF-W241A
KDC-W241GY Y33-2840-67 TDF-W241G
KDC-W3041A Y33-2840-60 TDF-W3041A
KDC-W3041AY Y33-2840-60 TDF-W3041A
KDC-W3041G Y33-2840-61 TDF-W3041G
Panel assy
KDC-W312A/AY (A64-4290-02)
KDC-W312G/GY (A64-4290-02)
KDC-W312SAY
(A64-4293-02)
KDC-W3041GY Y33-2840-61 TDF-W3041G
KDC-W312A Y33-2840-62 TDF-W312A
Panel assy
KDC-W241AY/W241GY (A64-4292-02)
Panel assy
KDC-W3041xx (A64-4289-02)
KDC-W312AY Y33-2840-62 TDF-W312A
KDC-W312G Y33-2840-63 TDF-W312G
DC cord
(E30-6427-05)
Lever
(D10-4589-04) x2
Escutcheon
(B07-3122-01)
Mounting hardware assy
(J21-9716-03)
Carrying case
(W01-1691-05)
KDC-W3041
KDC-W312
KDC-W241
KDC-W312GY Y33-2840-63 TDF-W312G
KDC-W312SAY Y33-2840-68 TDF-W312SA

Summary

BLOCK DIAGRAM

COMPONENTS DESCRIPTION

ELECTRIC UNIT (X34-565 x-xx)

Describes components within the Electric Unit section.

SWITCH UNIT (X16-617 x-xx)

CD PLAYER UNIT (X32-5970-02)

MICROCOMPUTERS TERMINAL DESCRIPTION

SYSTEM µ-COM: IC1 on X34- (ELECTRIC UNIT)

Details the terminals and functions of the System µ-COM IC.

TEST MODE

How to enter the test mode

Special displays when all lights are on in STANDBY source

CD information display mode

FST adjustment mode

Procedure in CD-DA media (KTD-02 A)

Audio-related test mode

E2 PROM Data Clearing Operations

ROM data transfer

ROM DATA TRANSFER PROCESSES

EXPLODED VIEW (CD MECHANISM)

EXPLODED VIEW (UNIT)

PARTS LIST

SWITCH UNIT (X16-617 x-xx)

List of parts for the Switch Unit.

CD PLAYER UNIT (X32-5970-02) IN CD MECHA

List of parts for the CD Player Unit in CD MECHA.

ELECTRIC UNIT (X34-565 x-xx)

MECHANISM ASSY (X92-5880-06) DXM-6 E06 W

SPECIFICATIONS

CD Player and Audio Specifications

Kenwood KDC-W241AY Specifications

FM Tuner Section

FM frequency range	87.5MHz~108.0MHz
FM usable sensitivity	0.7µV/75Ω
FM signal to noise ratio	65dB

MW Tuner Section

MW frequency range	531kHz~1611kHz
MW usable sensitivity	25µV

LW Tuner Section

LW frequency range	153kHz~281kHz
LW usable sensitivity	45µV

CD Player Section

CD spindle speed	500~200rpm (CLV)
CD frequency response	20Hz~20kHz
CD total harmonic distortion	0.01%

Audio Section

maximum output power	50W x 4
full bandwidth power	30W x 4
speaker impedance	4~8Ω

General

operating voltage	14.4V
current consumption	10A
installation size	182 x 53 x 155mm