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FO-3MK

No. 00ZFO3MKCUSME

CONTENTS

MODEL 

FO-3MK

Parts marked with "

" is important for maintaining the safety of the set. Be sure to replace these parts with specified ones for

maintaining the safety and performance of the set.

This document has been published to be used
for after sales service only.
The contents are subject to change without notice.

SHARP CORPORATION

SERVICE MANUAL

FACSIMILE
OPTION MEMORY
UPGRADE PWB

[1] General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

[2] Installation procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

[3] Diagnostic mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

[4] Circuit schematics and parts layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

[5] Parts guide

This machine is an option memory unit applica-
ble to the machines FO-5700 (100V series).

Summary of Contents for 00ZFO3MKCUSME

Page 1: ... of the set This document has been published to be used for after sales service only The contents are subject to change without notice SHARP CORPORATION SERVICE MANUAL FACSIMILE OPTION MEMORY UPGRADE PWB 1 General description 1 2 Installation procedure 1 3 Diagnostic mode 1 4 Circuit schematics and parts layout 3 5 Parts guide This machine is an option memory unit applica ble to the machines FO 57...

Page 2: ...n on the power switch appears Then after several seconds appears P L E A S E W A I T A M O M E N T J U N M 0 0 S T A N D B Y A U T O 1 0 M O N A M 1 0 0 0 3 Diagnostic mode Successively input FUNK 9 8 7 Then appears After that press the START key Then appears Select MEMORY CLEAR using the one touch key 11 After completion of MEMORY CLEAR the following indication appears Select ROM RAM test using t...

Page 3: ...place 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 Fig 1 Fig 2 Fig 3 ROM RAM CHECK LIST M A I N R O M OK OK OK OK VER FAB0X SUM DE0E SUM 1C86 VER FAB0A PCU S R A M D R A M M C 0 0 F W 4 1 2 2 5 0 G 0 0 1 J 0 C P U OCT 19 1999 TUE 10 43 AM FLASHMEMORY OK 15S 24S 27S BANKCHANGEOVER OK B A N K OK FLASHMEMORYCHEC...

Page 4: ...244 OCTUL BUFFERS R115 91 R114 91 A5 A4 R113 91 R112 91 R111 91 A3 A2 A1 R116 91 A6 DG MA5 MA4 MA3 MA2 MA1 MA6 CNOP 39 CNOP 40 CNOP 41 CNOP 42 CNOP 43 CNOP 44 GND 0 C10 22 16 C106 0 1 C9 22 16 C105 0 1 5V A 19 0 CNOP 45 FLBK4 R100 A9 A8 A7 A6 A5 A4 A3 A2 A1 A19 A18 A17 A16 A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 OE FLS0 OPMWE OPMRD FLBSY TCS2 WP VPP VCC VCC VCC GND GND GND GND 0 Vcc ...

Page 5: ... A12 A11 D14 D13 D12 D10 D9 D8 D7 D6 D5 D4 D3 D2 A10 A9 A8 A7 A6 D11 A20 A19 A18 A17 A16 A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A4 A3 A2 DQ15 DQ14 DQ13 DQ12 DQ11 DQ10 DQ9 DQ8 DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0 CE0 CE1 A5 A4 A3 A2 A1 24 28 A5 A1 A0 D15 D1 D0 RY BY BYTE 3 5 RP NC NC NC OE WE WP VCC VPP VCC VCC GND GND GND 55 54 56 15 9 37 43 21 42 48 32 53 31 1 16 3 29 30 DG R109 C134 C135 C121 C123 GND 0...

Page 6: ...3 D1 MA19 MA17 MA15 MA13 MA11 MA9 MA7 MA5 MA3 MA1 FLBK2 FLOPT DG 1 3 7 9 11 13 15 17 19 21 23 25 27 5 29 31 35 37 39 41 43 45 47 49 33 2 4 8 10 12 14 16 18 20 22 24 26 28 6 30 32 36 38 40 42 44 46 48 50 34 DG 5V DG FLBK4 FLBK1 FLBK3 TCS2 CNOP MWRH MRD FLBSY FLBK2 FLOPT 1 6H 2 6H 1 3 5A 1 5D 1 5F 2 3A 2 3C 2 3F 2 5A 2 5D 2 5F 1 2D 1 2D 1 2D 1 1D 1 3 5A 1 6H 2 6H 1 2A 1 5A 1 5A 1 3F Option memory PW...

Page 7: ...FO 3MK Option memory PWB parts layout Top side Option memory PWB parts layout Bottom side 6 ...

Page 8: ...µF C124 23 VCKYTV1EF104Z AA C Capacitor 25WV 0 1µF C126 24 QCNCW2590SC5J AM C Connector 50pin CNOP 25 VHDHRW0502A 1 AD B Diode HRW0502A D1 26 VHDHRW0502A 1 AD B Diode HRW0502A D2 27 VHIHD74HC244F AE B IC HD74HC244 OCTAL BUFFERS IC1 28 VHIHD74HC244F AE B IC HD74HC244 OCTAL BUFFERS IC2 29 VHIHD74HC244F AE B IC HD74HC244 OCTAL BUFFERS IC3 30 VHILH28F80S10 BH B IC LH28F800SUT 8Mbit FLASH MEMORY IC4 31...

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