Kenwood KDCW 3041 G Service Manual

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KDC-W241AY/W241GY/W3041A/W3041AY/W3041G
/W3041GY/W312A/W312AY/W312G/W312GY/W31ZSAY

ROM DATA TRANSFER PROCESSES

Turn power on. Install new front-end (A1).

Press and hold the [1] and [3] keys and press reset button. No ROM correction or other data status.
(Enter the system in the test mode.)

Press [B.BOOST] key. (ROM data System enters data (53>

transfer mode.) Mother unit (X34-)

Press [I44] (or [>>I] .) (Select READ) SYSTEM
Press [>II] key for 1 second or longer. (Data transfer) $333) COM ('01)
C3)
EZPROM
Mother unit (X34-) E2PROM
SYSTEM
FRONT- u-COM (IC1)

END (A1)

EZPROM :

I I fl EZPROM

A Turn power on.

Press and hold the [1] and [3] keys and press reset button.
(Enter the system in the test mode.)

Press [B.BOOST] key. (Start transferring ROM data.)

Press [I44] (or [>N] .) (Select WRT)

Press [HI] key for 1 second or longer. (Data transfer)

The system p-COM (I01) copies
the data in the front-end (A1) in the
E2PROM on the mother unit (X34-)

In case of [2]

READ OK A R-OK A (6)
In case of [1] or [3] Mother unit (X34-)

SYSTEM
READ 0K2 , 3-02 , FRONT. [1.00M (lCt)

END (A1) I
Q E2PROM . I I

Press [NI] key. (Exit ROM data transfer mode.) A
Turn power off.

EZPROM

System prCOM (IC1) copies
data on the mother unit (X347) into

Remove front-end (A1), EZPROM in the fronteend (A1)

09>

In case of [2] or [3]

Mother unit (X34-) WRT OK
SYSTEM > 5

FRONT- urCOM (IC1) In case of [1]
END (A1)
-| WET 0K2
. >
E2PROM _
Press [NI] key. (Exut ROM data transfer mode.)

G

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