Kenwood KDCW 3537 GY Service Manual

Page 16

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

TEST MODE

l ROM data transfer

When replacing front-end (A1), this function is used to transfer E2PROM data (ROM correction, security and other data) to front-end (A1) to
E2PROM of to mother unit (X34-), used for saving data, and, after completing replacement of front-end (A1), to recover data from the E2PROM of
the mother unit (X34-), and for saving data to the new front-end (A1). Refer to ROM data transfer processes" on the next page for details on front-

end (A1) replacement procedures and on the data to be transferred.

16

Procedure Display Description
While pressing and holding D D D DD D D D D All lights ON.
[1] key and [3] keys, reset-start
Press [BBOOST] key (MENU) E @ MENU mode

Press [4] key or [>>l] key

EE

Front-end (A1) A Mother unit (X34- Data transfer processing.

EE

(In the above ROM READ
status), l[>ll] key for

2 seconds or longer

).
Mother unit (X34-) ~> Front-end (A1). Data transfer processing.
Front-end (A1) a Mother unit (X34-). ROM data is being transferred.

Front-end (A1) ~> Mother unit (X34-).

ROM correction transfer, security and other data is OK.

Front-end (A1) ~> Mother unit (X34-).

Transfer of security and other data is OK.

Front-end (A1) a Mother unit (X34-). ROM data transfer is NG.

(In the above ROM WRT
status), l[>il] key for

2 seconds or longer

Mother unit (X34-) a Front -end (At). ROM data is being transferred.

IIIEEEEEE

Mother unit (X34-) a Front-end (A1).

ROM correction, security and other data transfer is OK.

IIIEEEEEE

Mother unit (X34-) a Front-end (A1).

ROM correction data transfer is OK.

IEIIIEEEE

Mother unit (X34-) a Front-end (A1).

Transfer of security and other data is OK.

III-EEEEE

Mother unit (X34-) a Front-end (A1). ROM data transfer is NO

(In every status of ROM data

[>Il] transfer processing)

EEEEEEEEE

Clear from ROM correction data transfer processing