Sharp service manual CONTROL PWB OPTION MEMORY UNIT FO-1MK, Then, the result table is printed

FO-1MK

Then, the result table (Fig. 3) is printed.

In case of mismatch, the buzzer emits 9 short tones .

After that, the result table (Fig. 4) is output.

1)If any error occurred, check connection of connector CNOP (check for bending and breakage of pin of connector), check that the option memory unit has been mounted as specified, and then turn on again the power supply, and check.

2)If the same error occurs persistently after the measures stated in item 1 above were taken, replace the option memory unit, and check.

3)If the same error occurs again after the measures stated in item 2) were taken, check the control PWB.

CONTROL PWB

OPTION

MEMORY

UNIT

FO-1MK

Fig. 1

ROM/RAM CHECK LIST

				AUG–04–1999 WED 11:19 AM
M A I N :	R O M	= OK	VER.=FAA0X	SUM =5AA1
	C P U	= OK	VER.=FAB0A	SUM =1C86
	S R A M	= OK
	D R A M = OK
PCU:			M / C = 0 0	F / W = 4 1 2 2 5 0 F 0 0 1 J 0

Fig. 2

FLASH MEMORY CHECK REPORT

AUG–04–1999 WED 07:00 PM

S I Z E = 2MB (With Option Flash memory)

FLASH MEMORY = OK (28S)

BANK CHANGEOVER = OK

B A N K = OK

Fig. 3

FLASH MEMORY CHECK REPORT

AUG–04–1999 WED 07:00 PM

S I Z E = 2MB (With Option Flash memory)

FLASH MEMORY = NG (28S)

BANK CHANGEOVER = NG

B A N K = NG

Fig. 4

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