FO-1MK
SERVICE MANUAL
No. 00ZFO1MKCUSME
FACSIMILE
OPTION MEMORY
UPGRADE PWB
MODEL FO-1MK
CONTENTS
[1] General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
[2] Installation procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
[3] Diagnostic mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
[4] Circuit schematics and parts layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
[5] Parts guide
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
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
CNOP
OPTION
MEMORY
UNIT
FO-1MK
Fig. 1
ROM/RAM CHECK LIST
FLASH MEMORY CHECK REPORT
AUG–04–1999 WED 11:19 AM
AUG–04–1999 WED 07:00 PM
S
I
Z
E
= 2MB (With Option Flash memory)
M A I N :
R O M
C P U
= OK
= OK
VER.=FAA0X
VER.=FAB0A
SUM =5AA1
SUM =1C86
FLASH MEMORY
=
=
=
OK (28S)
OK
BANK CHANGEOVER
B A N K
S R A M = OK
= OK
OK
D R A M
P C U :
M
/
C
=
0
0
F
/
W
=
4
1
2
2
5
0
F
0
0
1
J
0
Fig. 3
Fig. 2
FLASH MEMORY CHECK REPORT
AUG–04–1999 WED 07:00 PM
S
I
Z
E
= 2MB (With Option Flash memory)
FLASH MEMORY
=
=
=
NG (28S)
NG
BANK CHANGEOVER
B A N K
NG
Fig. 4
– 2 –
FO-1MK
[4] Circuit schematics and parts layout
H R W 0 5 0 2 A
D 1
– 3 –
FO-1MK
C128
C123
C121
FLBK4
C124
– 4 –
FO-1MK
– 5 –
FO-1MK
Option memory PWB parts layout (Top side)
Option memory PWB parts layout (Bottom side)
– 6 –
FO-1MK
[5] Parts guide
PRICE NEW
RANK MARK RANK
PART
DESCRIPTION
PARTS CODE
NO.
[1] Packing parts
1
2
3
4
5
6
SPAKA110BXHZZ
AB
BR
AA
AC
AD
AC
N
N
D
E
D
C
D
D
Vinyl bag
Option memory PWB unit
Vinyl bag
Spacer
Packing case
Aluminum fold
DCEKM473BXH01
SSAKA0006UCZZ
LSTY-0057AFZZ
SPAKC113BXHZZ
PSHEM3490XHZZ
N
N
N
[2] Option memory PWB unit
1
2
3
4
5
6
7
8
9
VCEAPS226AF1C
VCEAPS226AF1C
VCEAPS226AF1C
VCKYTV1EF104Z
VCKYTV1EF104Z
VCKYTV1EF104Z
VCKYTV1EF104Z
VCKYTV1EF104Z
VCKYTV1EF104Z
AC
AC
AC
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AM
AD
AD
AE
AE
AE
BR
AE
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
C
C
C
C
C
C
C
C
C
C
C
C
C
C
B
B
B
B
B
B
B
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
Capacitor(16WV 22µF)
Capacitor(16WV 22µF)
Capacitor(16WV 22µF)
Capacitor(25WV 0.1µF)
Capacitor(25WV 0.1µF)
Capacitor(25WV 0.1µF)
Capacitor(25WV 0.1µF)
Capacitor(25WV 0.1µF)
Capacitor(25WV 0.1µF)
Capacitor(25WV 0.1µF)
Capacitor(25WV 0.1µF)
Capacitor(25WV 0.1µF)
Capacitor(25WV 0.1µF)
Connector(DHB-RD50-S131N-2.9)
Diode(HRW0502A)
[C4]
[C9]
[C10]
[C100]
[C101]
[C102]
[C105]
[C106]
[C107]
[C110]
[C113]
[C116]
[C118]
[CNOP]
[D1]
[D2]
[IC1]
[IC2]
[IC3]
[IC4]
[IC6]
[R100]
[R101]
[R102]
[R103]
[R111]
[R112]
[R113]
[R114]
[R115]
[R116]
[R117]
[R118]
[R119]
[R120]
[R121]
[R122]
[R123]
[R124]
[R125]
[R126]
[R127]
[R128]
[R129]
10 VCKYTV1EF104Z
11 VCKYTV1EF104Z
12 VCKYTV1EF104Z
13 VCKYTV1EF104Z
14 QCNCW2590SC5J
15 VHDHRW0502A-1
16 VHDHRW0502A-1
17 VHIHD74HC244F
18 VHIHD74HC244F
19 VHIHD74HC244F
20 VHILH28F016SU
21 VHIHD74HC138F
22 VRS-TV2AD000J
23 VRS-TV2AD472J
24 VRS-TV2AD000J
25 VRS-TV2AD472J
26 VRS-TS2AD910J
27 VRS-TS2AD910J
28 VRS-TS2AD910J
29 VRS-TS2AD910J
30 VRS-TS2AD910J
31 VRS-TS2AD910J
32 VRS-TS2AD910J
33 VRS-TS2AD910J
34 VRS-TS2AD910J
35 VRS-TS2AD910J
36 VRS-TS2AD910J
37 VRS-TS2AD910J
38 VRS-TS2AD910J
39 VRS-TS2AD910J
40 VRS-TS2AD910J
41 VRS-TS2AD910J
42 VRS-TS2AD910J
43 VRS-TS2AD910J
44 VRS-TS2AD910J
(Unit)
N
Diode(HRW0502A)
IC(HD74HC244)
IC(HD74HC244)
IC(HD74HC244)
IC(LH28F016SUT)
IC(HD74HC138)
N
N
N
N
Resistor(1/10W 0Ω ±5%)
Resistor(1/10W 4.7KΩ ±5%)
Resistor(1/10W 0Ω ±5%)
Resistor(1/10W 4.7KΩ ±5%)
Resistor(1/10W 91Ω ±5%)
Resistor(1/10W 91Ω ±5%)
Resistor(1/10W 91Ω ±5%)
Resistor(1/10W 91Ω ±5%)
Resistor(1/10W 91Ω ±5%)
Resistor(1/10W 91Ω ±5%)
Resistor(1/10W 91Ω ±5%)
Resistor(1/10W 91Ω ±5%)
Resistor(1/10W 91Ω ±5%)
Resistor(1/10W 91Ω ±5%)
Resistor(1/10W 91Ω ±5%)
Resistor(1/10W 91Ω ±5%)
Resistor(1/10W 91Ω ±5%)
Resistor(1/10W 91Ω ±5%)
Resistor(1/10W 91Ω ±5%)
Resistor(1/10W 91Ω ±5%)
Resistor(1/10W 91Ω ±5%)
Resistor(1/10W 91Ω ±5%)
Resistor(1/10W 91Ω ±5%)
901 DCEKM473BXH01
BR
N
E
Option memory PWB unit
COPYRIGHT © 1999 BY SHARP CORPORATION
ALL RIGHTS RESERVED.
SHARP CORPORATION
Communication Systems Group
Quality & Reliability Control Center
Higashihiroshima, Hiroshima 739-0192, Japan
Printed in JAPAN
No part of this publication may be reproduced,
stored in a retrieval system, or transmitted in
any form or by any means, electronic, mechanical,
photocopying, recording, or otherwise, without
prior written permission of the publisher.
9908-1834SS•IS•T
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