Sharp MX-DE22 / MX-DE23 Service Manual ▷ View online
MX-DE22 ELECTRICAL SECTION 5 – 1
MX-DE22
Service Manual
[5] ELECTRICAL SECTION
1. Block diagram
MX-DE22/DE23
Main unit
DPFM
DTRC
DESK CONTROL
PWB
CPU
(H8/3684HV)
DCSI2
DPUC2
DCSS13
DCSS14
DCSS12
DCSI1
DCSS1
1
DPUC1
DLUM2
DLUM1
DCSS23
DCSS22
DCSS21
DCSS24
DCSPD1
DCSPD2
DSW_DSK
DPFD1
DPED1
DLUD1
DPFD2
DPED2
DLUD2
GND
GND
+24V
+24V
+24V
+24V
+24V
+24V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
Desk 1 paper level sensor
Desk 2 attachment sensor
Desk 1 rear edge switch 4
Desk main motor
Desk transport clutch
Desk 1 paper feed clutch
Desk 2 paper feed clutch
Desk lift-up motor
Desk 1 rear edge switch 1
Desk 1 attachment sensor
Desk 1 rear edge switch 2
Desk 1 rear edge switch 3
Desk 2 rear edge switch 1
Desk 2 rear edge switch 2
Desk 2 rear edge switch 3
Desk 2 rear edge switch 4
Desk 2 paper level sensor
Right door open/close
sensor
Desk 1 transport sensor
Desk 1 paper presence
sensor
Desk 1 upper limit sensor
Desk 2 transport sensor
Desk 2 paper presence
sensor
Desk 2 upper limit sensor
/DPFM-CLK
/DPFM-EN
DPFM-T
Desk 1
Size detection
PWB unit
Output buf
fer
T
ransistor array
(TD62003AP)
Desk 2
Size detection
PWB unit
Lift motor
drive circuit
Lift motor
drive circuit
Sensor input
circuit
Xtal(7.37MHz)
Output buf
fer
Input buf
fer
Output buf
fer
Input buf
fer
Input buf
fer
Input buf
fer
On-board
write circuit
+5V
+24V
3
/RXD-DSK
/TXD-DSK
/DSR-DSK
/DTR-DSK
RES-DSK
/TRC-DSK
Ground
DH1 heater
DH2 heater
AC L
AC L
AC N
AC N
MX-DE22 ELECTRICAL SECTION 5 – 2
2. Actual wiring diagram
PLS-PWB2
Desk 1 rear edge switch
PLS-PWB1
DPFM
1
2
3
4
5
DTRC
DPUC1
LIFT UP UNIT
Main unit
M1-PASTEL PCU PWB
SMP-11V-NC
SMR-11V-N
7
6
3
4
8
9
1
2
5
10
11
DH1
HEATER PWB
Heater
DH2
Heater
AC
N
AC L
F.G.
11
/TXD-DSK
GND
10
5
4
3
/DSR-DSK
GND
/RXD-DSK
1
/DTR-DSK
RES-DSK
8
/TRC-DSK
7
9
2
6
GND
12
N.C.
+24V
+5V
B12B-PASK
DCSS23
3
DCSS24
1
6
2G
N
D
4D
C
S
S
2
2
DCSS21
DCSI2
5
DCSS14
DCSS13
DCSS12
DCSS11
GND
DCSI1
4
5
1
2
6
3
DCSS14
3
DCSS12
4
DCSS13
GND
1
2
6
B6B-PH-K-S
5
DCSS11
DCSI1
2
9
4
+5V
3
11
6
P87
1
7
/NMI
GND
CN-K
CN-J
CN-I
CN-H
CN-G
CN-F
CN-E
CN-D
CN-C
CN-B
CN-A
CN-L
10
RXD-DESK
8
5
1
DLUM1
DLUM1
2
GND
/DPFM-CLK
DPFM-T
/DPFM-EN
GND
+24V
DPFM-T
/DTRC
+24V
+24V_CL
/DPFM-CLK
/DPFM-EN
4
3
2
1
3
2
1
3
7
4
9
5
6
8
GND
1
11
8
4
3
2
GND
GND
7
9
5
+5V
DLUM1
GND
6
1
DLUM2
DLUM2
LIFT UP UNIT
2
DPED2
3
DPFD2
+5V
DLUD2
3
2
GND
DPED2
+5V
GND
DPUC2
3
2
2CS PAPER FEEDING UNIT
DCSPS2
+5V
DCSPD2
2
1
GND
DLUD2
+5V
DPFD2
1
GND
1
GND
DESK CONTROL PWB
3
1
3
2
1
2
ELP-03V
ELR-03V
ELP-03V
(RED)
ELR-03V(RED)
200V---
100V---
12
13
14
N.C
TXD-DESK
P86
P85
/RES-DESK
+5V
GND
/TXD-DESK
RES-DESK
B14B-PHDSS-B
1
2
TXD_2
2
1
GND
+24V_CL
+24V_CL
10
DLUM2
Ground
2
1
2
1
ELR-02V
ELP-02V
100V---
200V---
100V---
200V---
ELP-02V(RED)
E
LR-02V(RED)
2
1
2
1
ELR-02V
ELP-02V
ELP-02V(RED)
E
LR-02V(RED)
DCSPD1
DCSPD1
1
GND
Desk 1 paper level sensor
Desk 1 lift-up motor
Desk 1 paper feed clutch
Desk 1 main motor
Desk transport clutch
2
+5V
3
+5V
2
GND
3
DPED1
2
PHNR-3-H
DLUD1
DLUD1
DPFD1
2
1
GND
DPWD11
GND
1CS PAPER FEEDING UNIT
+5V
DPED1
1
3
+5V
DPFD1
1
3
2
1
4
3
PHNR-12-H
4
2
1
3
6
8
5
76
5
8
7
10
11
9
12
12
11
9
10
BU12P-TR-P-H
7
5
1
6
3
6
8
5
7
8
BU09P-TR-P-H
2
4
PHNR-09-H
3
4
1
2
9
2
BU02P-TR-P-H
1
PHNR-02-H
2
1
2
BU02P-TR-P-H
PHNR-02-H
2
1
1
06KR-6H-P
06KR-6H-P
1
2
3
4
DPWD12
GND
+5V
2
1
6
5
4
7
3
+5V
DPED1
+5V
GND
GND
DLUD1
GND
+5V
+5V
GND
GND
GND
+5V
GND
DLUD2
+5V
+5V
DPED2
GND
DCSPD2
+5V
GND
DPWD22
DPWD21
+5V
N.C
7
DCSS23
3
6
DCSI2
2
1
DCSS24
DCSS22
DCSS21
4
5
GND
2
1
12
8
10
6
5
9
11
4
7
3
02CK-6H-P
02CK-6H-P
05CK-6H-P
02CK-6H-P
02CK-6H-P
03CK-6H-P
1
3
2
B7B-PH-K-S
B9B-PH-K-S
B7B-PH-K-S
B4B-PH-K-S
B12B-PH-K-S
B4B-PH-K-S
B3B-PH-K-S
B11B-PH-K-S
B2B-PH-K-S
09CK-6H-P
9
4
7
10
3
5
8
11
1
6
9
2
PHNR-3-H
PHNR-3-H
1
2
+5V
GND
DSW_DSK
DSW_DSK
3
PHNR-3-H
PHNR-3-H
PHNR-3-H
PHNR-3-H
/DPUC1
/DPUC2
DCSPD1
DPFD1
DSW_DSK
DPFD2
2
BU02P-TR-P-H
1
PHNR-02-H
2
1
02CK-6H-P
12CK-6H-P
Desk 2 rear edge switch
DESK
[FOR
2CS
ONLY]
[FOR
2CS
ONLY]
[FOR 2CS ONLY]
Desk 2 lift-up motor
Desk 2 paper feed clutch
Right door open/close sensor
Desk 1 transport sensor
Desk 1 paper presence sensor
Desk 1 upper limit sensor
Desk 2 paper level sensor
Desk 2 paper presence sensor
Desk 2 transport sensor
Desk 2 upper limit sensor
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.
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.
COPYRIGHT
©
XXXX BY
SHARP CORPORATION
ALL RIGHTS RESERVED.
The PWB’s of this model employs lead-free solder. The “LF” marks indicated on the PWB’s and the Service Manual mean “Lead-Free” solder.
LEAD-FREE SOLDER
The alphabet following the LF mark shows the kind of lead-free solder.
(1) NOTE FOR THE USE OF LEAD-FREE SOLDER THREAD
When repairing a lead-free solder PWB, use lead-free solder thread.
Never use conventional lead solder thread, which may cause a breakdown or an accident.
Since the melting-point of lead-free solder thread is about 40°C higher than that of conventional lead solder thread, the use of the
exclusive-use soldering iron is recommended.
exclusive-use soldering iron is recommended.
(2) NOTE FOR SOLDERING WORK
Since the melting-point of lead-free solder is about 220°C, which is about 40°C higher than that of conventional lead solder, and its soldering
capacity is inferior to conventional one, it is apt to keep the soldering iron in contact with the PWB for longer time. This may cause land
separation or may exceed the heat-resistive temperature of components. Use enough care to separate the soldering iron from the PWB when
completion of soldering is confirmed.
capacity is inferior to conventional one, it is apt to keep the soldering iron in contact with the PWB for longer time. This may cause land
separation or may exceed the heat-resistive temperature of components. Use enough care to separate the soldering iron from the PWB when
completion of soldering is confirmed.
Since lead-free solder includes a greater quantity of tin, the iron tip may corrode easily. Turn ON/OFF the soldering iron power frequently.
If different-kind solder remains on the soldering iron tip, it is melted together with lead-free solder. To avoid this, clean the soldering iron
tip after completion of soldering work.
tip after completion of soldering work.
If the soldering iron tip is discolored black during soldering work, clean and file the tip with steel wool or a fine filer.
Example:
5mm
Lead-Free
Solder composition
code (Refer to the
table at the right.)
code (Refer to the
table at the right.)
<Solder composition code of lead-free solder>
Solder composition
Sn-Ag-Cu
Sn-Ag-Bi
Sn-Ag-Bi-Cu
Sn-Ag-Bi-Cu
Sn-Zn-Bi
Sn-In-Ag-Bi
Sn-Cu-Ni
Sn-Ag-Sb
Bi-Sn-Ag-P
Bi-Sn-Ag
Bi-Sn-Ag
a
b
z
i
n
s
p
Solder composition code
a
(Danish)
ADVARSEL !
Lithiumbatteri – Eksplosionsfare ved fejlagtig håndtering.
Udskiftning må kun ske med batteri
af samme fabrikat og type.
Levér det brugte batteri tilbage til leverandoren.
(English)
Caution !
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type
recommended by the manufacturer.
Dispose of used batteries according to manufacturer’s instructions.
(Finnish)
VAROITUS
Paristo voi räjähtää, jos se on virheellisesti asennettu.
Vaihda paristo ainoastaan laitevalmistajan suosittelemaan
tyyppiin. Hävitä käytetty paristo valmistajan ohjeiden
mukaisesti.
(French)
ATTENTION
Il y a danger d’explosion s’ il y a remplacement incorrect
de la batterie. Remplacer uniquement avec une batterie du
même type ou d’un type équivalent recommandé par
le constructeur.
Mettre au rebut les batteries usagées conformément aux
instructions du fabricant.
(Swedish)
VARNING
Explosionsfara vid felaktigt batteribyte.
Använd samma batterityp eller en ekvivalent
typ som rekommenderas av apparattillverkaren.
Kassera använt batteri enligt fabrikantens
instruktion.
(German)
Achtung
Explosionsgefahr bei Verwendung inkorrekter Batterien.
Als Ersatzbatterien dürfen nur Batterien vom gleichen Typ oder
vom Hersteller empfohlene Batterien verwendet werden.
Entsorgung der gebrauchten Batterien nur nach den vom
Hersteller angegebenen Anweisungen.
(For USA, CANADA)
“BATTERY DISPOSAL”
THIS PRODUCT CONTAINS A LITHIUM PRIMARY
(MANGANESS DIOXIDE) MEMORY BACK-UP BATTERY
THAT MUST BE DISPOSED OF PROPERLY. REMOVE THE
BATTERY FROM THE PRODUCT AND CONTACT YOUR
LOCAL ENVIRONMENTAL AGENCIES FOR INFORMATION
ON RECYCLING AND DISPOSAL OPTIONS.
“TRAITEMENT DES PILES USAGÉES”
CE PRODUIT CONTIENT UNE PILE DE SAUVEGARDE DE
MÉMOIRE LITHIUM PRIMAIRE (DIOXYDE DE MANGANÈSE)
QUI DOIT ÊTRE TRAITÉE CORRECTEMENT. ENLEVEZ LA
PILE DU PRODUIT ET PRENEZ CONTACT AVEC VOTRE
AGENCE ENVIRONNEMENTALE LOCALE POUR DES
INFORMATIONS SUR LES MÉTHODES DE RECYCLAGE ET
DE TRAITEMENT.
CAUTION FOR BATTERY REPLACEMENT
CAUTION FOR BATTERY DISPOSAL
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