Kenwood MDX-G1, Service Manual

1. Initializing

1-1 Initialization Method

• While pressing the [ON/STANDBY] key, turn the AC

on.

1-2 Initialization Operation

• During the initial operation, the display shows "INI-

TIALIZE" and after that it will be retuned to standby
condition.

• If any mechanisms error occurred, the error indication

is displayed as "ERR" on the display.

1-3 Mechanism Initialization

1

CD Mechanism

• If a mechanism error occurred, the error indication is

displayed as "C ERR" on the display.

2

MD Mechanism

• If a mechanism error occurred, the error indication is

displayed as "M ERR" on the display.

• The disc will be unloaded from MD mechanism auto-

matically, if a disc is its in.

2. Tuner Destination

Set Destin- Band Receiving Frequency Channel

IF

RF

ation

Range

Space

M

E1

FM

87.5MHz~108.0MHz

50kHz

+10.7MHz 25kHz

AM

531kHz~1602kHz

9kHz

+450kHz

9kHz

3. Tuner Preset Frequency

P.CH

Band

Frequency

1

FM

98.30MHz

2

FM

87.50MHz

3

FM

92.00MHz

4

FM

108.00MHz

5

FM

89.10MHz

6

FM

90.00MHz

7

FM

87.50MHz

8

FM

87.50MHz

9

AM

1602kHz

10

AM

999kHz

P.CH

Band

Frequency

11

AM

630kHz

12

AM

1440kHz

13

FM

106.0MHz

14

AM

531kHz

15

FM

87.50MHz

16

FM

98.00MHz

17

FM

98.50MHz

18

FM

87.50MHz

19

AM

990kHz

20

FM

97.70MHz

TEST MODE

KEY

SETTING

CD MODE

CD PLAY

MD MODE

MD PLAY

Insert the AC cord to

MD MECHA. ADJ.

EJECT

AC wall outlet with

MODE

pressing the left key.

✽

SUB CLOCK OSC

MENU

DIAGNOSIS

4. Test Mode

4-1 Setting method of the Test Mode

✽

The oscillation diagnosis(existence of oscillation and
measurement of period) of a sub clock is performed
before the test mode is entered. If the diagnosis result
is OK, the system enters the test mode.
If the diagnosis result is NG, the oscillation of the sub
clock is diagnosed again. If the result is OK, the sys-
tem enters the test mode. If the diagnosis result is
continuously NG 5 times, the system stops with
"ERR1" and "ERR2" displayed.

4-2 Cancel of the test mode

• By turning the AC off, the system is initialized and the

test mode is canceled.

• Cancel the test mode only if the power switch is

turned off

4-3 Contents of the Test Mode

• The muting during mode selection is not controlled in

the test mode.

• During the test mode, it can be operated in a special

manner that is different from an ordinary operation by
using the keys on the main body, specifically as
shown in the following tables.

KEYS

DISPLAY

OPERATION

CD-PLAY/PAUSE

05  

✽ ✽

: 

✽ ✽

• Tracking-servo on.

(Cyclically changed

( 

✽ ✽

: 

✽ ✽

)Time Display

the mode 05 and 03

by pressing the key.)

03 --:--

• Tracking-servo off.

CD STOP

01 --:--

• Stop the CD operation.
Adjustment value/mean value

(Cyclically changed

07   FG/FE

FG value/FE value

in the stop mode

08   FB/FO

FB value/FO value

only.)

09   TG/TE

TG value/TE value

10   TB/TO

TB value/TO value

SKIP UP/SKIP DOWN

Usual Indication

• Track No up or down.

SKIP UP

Ex.Tno. 01

î

Tno. 02

• Play the first track No. in the stop mode.

SKIP DOWN

Usual Indication

• Play the last track No. in the stop mode.

*

SKIP UP

FF

• CD FF search.
• The pickup travels outward in the stop mode.

*

SKIP DOWN

FB

• CD FB search.
• The pickup travels inward in the stop mode.

MENU

HI-SPEED

• Hi speed playback 

uw

Normal speed playback 

NR-SPEED

*

Keep to press the key more than 400ms.

4-4 CD Test Mode

P.CH

Band

Frequency

21

AM

531kHz

22

FM

87.50MHz

23

FM

87.50MHz

24

FM

87.50MHz

25

FM

87.50MHz

P.CH

Band

Frequency

26

FM

87.50MHz

27

FM

87.50MHz

28

FM

87.50MHz

29

FM

108.0MHz

30

AM

945kHz

MDX-G1

3

CIRCUIT DESCRIPTION

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