Kenwood KDCW 3037 GY Service Manual

Page 19

KDC-W237AY/W237GY/W3037AY/W3037GY/
W31 1AY/W31 1GY/W3537AY/W3537GY/W4037Y

ROM DATA TRANSFER PROCESSES

4. In case of applying a new ROM correction when front-end
(A1) is replaced (There is ROM correction data.)

5. In case of applying a new ROM correction even when front»
end (A1) is not replaced.

(D

Mother unit (X34-)

SYSTEM
FRONT- p-COM (I01)

END (A1) I

EZPROM ROM correction
Tuner adjustment
Other

A

E2PROM circuit pattern

Install new E2PROM. (E2PROM that has been updated with
ROM correction)

®

Mother unit (X34-)

SYSTEM
FFIONT- u-COM (IC1)

END (A1) I

E2PROM

E2PROM

G

Turn power on.

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

Press [B.BOOST] key. (ROM data System enters data trans»
fer mode.)

Press [i441 (or [>>I].) (Select WRT)

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

(3)

Mother unit (X34-)

SYSTEM
FRONT- p-COM (I01)

END (A1) I

EZPROM . I I

ll

System p-COM (lCt) copies
the ROM correction data on the
mother unit (X34-) into E2PROM
in the front-end (A1)

WRT 0K1
, ,
g In case of [5]

Press [HI] key. (Exit ROM
data transfer mode.)

EZPROM

In case of [4]

Press [144] (or [>>I].) (Select READ)
Press [NI] key for 1 second or longer. (Data transfer)

Mother unit (X34-)

SYSTEM
FRONT- p-COM (I01)
END (A1) I
EZPROM I I fi E2PROM

System p-COM (IC1) copies
data in the front-end (A1) into the
EZPROM on the mother unit (X34-).
(ROM correction and other data)

G

19