Sharp EL-2631L User manual

CODE : 00ZCODE : 00Z
qSERVICE MANUAL
Parts marked with "!" are 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.
SHARP CORPORATION This document has been published to be used for
after sales service only.
The contents are subject to change withoutnotice.
EL2631L/2E
EL-2631L
MODEL EL-2615P
KEY LAYOUT
KEY SYSTEM : Plastic key + Key rubber
STANDARD FUNCTION
ELEMENT :
NUMERAL : Display tube 12 PARTS NAME : SYMBOL :digits digit(s)1
(mm)
POWER SUPPLY AC : DC :
AC ADAPTER
DIMENSIONS (mm)
CALCULATIONS
RECHARGEABLE BATTERY
POWER CONSUMPTION
AUTO POWER OFF TIME
MEMORY PROTECT
Four arithmetic calculations, Constant calculation, Power
calculation, Chain calculation, Reciprocal calculation, % calculation,
Add-on (discount) calculation. Grand total calculation, etc.
Name
Type
Pin
:
: 42 pins
: S-DIP
TC83220-0406
L
S
I
D
I
S
P
L
A
Y
S
E
C
T
I
O
N
228 (W) 314 (D) 70.5 (H)
12 digits 1M
P
R
I
N
T
E
R
S
E
C
T
I
O
N
MODEL NAME
PRINTING SYSTEM
PRINTING CAPACITY
CHARACTER DIMENSION
INPUT BUFFER
PRINTING SPEED
PAPER FEED SPEED
PAPER RELEASE MECHANISM
INK RIBBON
INK ROLLER
INK LIFE
PAPER
PAPER SIZE (Roll Paper)
PA-512
Print wheel selective system
18 digits
1.5 (W) 2.8 (H) mm
12 stages
Approx.3.6 lines / sec.
Approx.3.6 lines / sec.
Yes (Foward only)
Plain paper
58 mm (W), 80mm in diameter (max.)
(DPAPR1004CSZZ...5 rolls / pack)
+0
- 1
BATTERY TYPE
Yes* (TAX only)
1
NOTE) *1 : This calculator operates only on AC power. Further, the
memory is retained only while the AC cord is plugged in
and clears when the AC cord is disconnected.
MULTI :11.1W
220V- 240V : 62mA
120V : 115mA
AC only
13-MT-89G
Approx. 25,000 lines
2-color system (Black / Red)
9.6
3.8
ON
OFF P P IC 5/4 3210
000
123
456
789
M
CE
%
M
−
M
+
M
TAX-
TAX+
FA
6
GT RATE
SET KA
−
+
MU
GT
#/
E
M
M
E
ADD the SPEC CODE: EL-2615P (Y1C)
EL-2631L (ACO)

EL-2631L/2615P BLOCK DIAGRAM
– 2 –
1. BLOCK DIAGRAM 2. POWER VOLTAGE
Measure with the AC input voltage rating.
■
■■
■MEASURING PIN POSITION
3. INK RIBBON REPLACEMENT
1. Remove the paper roll from the calculator. (Tear the paper and
remove it from the print mechanism by using .)
2. Turn the power off before replacing ribbon.
3. Remove the printer cover by sliding it towards the back of the calcu-
lator. (Fig.1)
Fig.1
4. Remove the old ribbon by pulling it up.
5. Insert the new ribbon.
6. With the black side of the ribbon facing upwards, place one of the
reels on the reel shaft on the right. (Fig.2) Make sure that the reel is
securely in place.
Fig.2
7. Thread the ribbon around the outside of the metal guides. (Fig.3)
Fig.3
8. Take up any slack by manually turning one of the reels.
9. Replace the printer cover.
10. Replace the paper roll.
Printer driver
AC
transformer Power supply circuit
Display tube
LSI Key
slide switch
Printer
Power supply line
Signal line
AC input
Measurement position Power voltage
VF-VF 4.2Vac ~ 5.1Vac
VSS-VCC 5.7V ~ 6.6V
(*1)VL-VPR 14V ~ 16V
(*1): Measurement of VL-VPR voltage must be performed with the
PAPER FEED key being pressed.
VPR
VF
VF
VSS
VLVCC

EL-2631L/2615P PAPER ROLL REPLACEMENT
– 3 –
4. PAPER ROLL REPLACEMENT
Never insert paper roll if torn. Doing so will cause paper to jam.
Always cut leading edge with scissors first.
1. Insert the leading edge of the paper roll into the opening. (Fig.1)
Fig.1
2. Turn the power on and feed the paper by pressing . (Fig.2)
Fig.2
3. Insert the paper roll to the paper holder. (Fig.3)
Fig.3
Caution: Do not pull paper backwards as this may cause damage to
printing mechanism.
5. NOTES FOR SERVICING
(1) SL-SW BLINDER (4P/6P)
(2) PROTECTION TUBE
(2)-1. EL-2631L (ABC, ACO), EL-2615P
Insulate between the transformer and the AC cord connector with pro-
tection tubes (2 pcs x 2 positions).
(2)-2. EL-2631L (TRC)
The EL-2631L (TRC) uses 14 protection tubes in total (that is, 2 pcs x 7
positions) as shown above.
(6P) (4P)
It inserts so that it cuts,
and it may lack and a
part may come to the
KeyTop side.
Key Top side.
SLIDE SW UNIT
SL-SW MASK (S)
SL-SW MASK (L)
UPPER CASE
Transformer
Protection tube (2 pcs)
Protection
tube (2 pcs)
Protection tube
(Heat contraction tube)
2 pcs/position
x
5 positions
[VOLTAGE SELECTOR]
Protection tube
(One: Outside)
Protection tube
(One: Inside)
Use two protection tubes at
every one position.
[FUSE HOLDER]
Fuse
holder
Protection tube
(2 pcs)
Protection tube
(2 pcs)

EL-2631L/2615P PARTS LAYOUT
– 4 –
(3) FERRITE CORE (EL-2631L (ACO))
(3)-1.
Wind the AC cord around the ferrite core so that the size is as shown in
the figure below.
Wind every AC cord three times around the ferrite core.
(3)-2. FIX THE FERRITE CORE TO THE CABINET
Fix the ferrite core to the root of boss Aby hot melt as shown in the fig-
ure below.
6. PARTS LAYOUT
A
Transformer side 3
A'60mm A-A'
cross sectional view
A

EL-2631L/2615P PLUG SHAPE
– 5 –
7. PLUG SHAPE
8. PACKING FORM
Model Form SPEC Country
EL-2631L Gift box ABC SCA
TRC Agent
ACO SEEG
EL-2615P Gift box Y1C SECL
1
(ABC)
0GS5420170////
3
(Y1C)
0GS5420150////
2
(TRC)
0GS5420160////
4
(ACO)
0GS5420450////

EL-2631L/2615P PACKING FORM
– 6 –
C12
0.01uF/50V
HZ18-3 ZD3
VL
HZ18-3 ZD4
TRC USE
TRC, ACO,
Y1C USE
*
*
125mAT
240V 50HZ 560HZ
127V
1
WHITE
4
3 1
5
2
220V
3
HKP-95150A
120V
YELLOW
HKP-95149A
1
110V
4
5
2
240V
4
2
BROWN
110V, 127V, 220V, 240V 50HZ
BLACK
ORANGE
3
HKSP-01333A
R91
E
D4
C
R91'
13
MG18
VSS
R52
5/4
MG13
R72
R60
1
GT
A
VF
D2
E
NC
21
P13
P10
3
MG15
R82
5
4
SW1
R91'
lN4002 X 4
2
18
TAX+
R72
10
MG7
P12 P11
VCC
#
R53
0
6
9
VPR
RESET
MG5
-
P11
C
M(+)
2SB
R40
R42
1
6
M
1
R63
R91'
HKP-95148A
R91'
R52
SW4
16
R43
4
MG17
NC
PIC
K00
MG9
VF
6
C
OFF
5
17
K01
%
R91
P10
3
RED
11
B
NC
P11
MG6
0
F
1
BLUE
PRINTER HEAD
P23
P23
R91(KD11)
+
OFF
M
5
2SC
P13
3
CE
P10
9
R91(KD5)
NC
22
RC
VF
HOLD
R91'
NC
P13
5
M(-)
D1
F1
MG10
D3
R40
50V
647
REAT SET
MG12
K
M
VL
2SD
R91
NC
4
2
+
SW5
-
SW2
8
-
2
2
+
R41
R91'
R70
MG2 MG4
B
R70
RED
000
R60
R91
M
BLUE
MG1 MG16
-
VSS
VSS
PF
BLACK
19
7
TAX-
P
R43
R42
VSS
B
R80
12
M
7
E
NC
VSS
-
MG11
+
R53
K03
14
230V 50HZ
D1~D4 :
VSS
NC
3
MG3
15
MG14
MU
NC
SW3
HIGH SPEED WITH EURO MARK
R41
VF
3
1815
NC
MG8
1796
4
R63
K02
VL
R81
20
NC
00
GT 1
8
23
2
VDD
T630mAT
FUSE
R3
6K8
Q1
2SB647
C1
1000uF
R9
15K
Q4
2SC1815GR
C5
1uF/50V
KD8 KD4 KD7
U2
M54531P
Q2
H1061
U4
M54531P
U3
M54531P
KD10 KD9
KD1
KD5
KD3
KD2
R13 R14
KD12
KD11
R23 1K5 R22 4K7Q7
2SC1815GR
KD14
KD13
R24 3K3
Q8
2SC1815GR
C11 0.1uF
U1
TC83220-0406
R12 1K 2% R20 56K
C8
2200pF
C6
0.01U
C3
50V/1U
R5
10K D5
IN4148
C7
68pF
C9
0.01uF
C2
1uF/50V
R11
C13 0.1 F/50V
4K7
D6
lN4148
R8
3K9
ZD2
HZ16-2
R6
6K8
R7
10K
ZD1
R4
510
C4
0.01uF
R10 4K7
R2
10K
ZD5
RD5.6EB3
R21 82K 1/2W
1/2W
HZ7A3
PA512
1 2 3 4 5 6 7 89
10 11 12 13 14 15 16
1 2 3 4 5 6 7 89
10 11 12 13 14 15 16
1 2 3 4 5 6 7 89
10 11 12 13 14 15 16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
2122
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
++
13-MT-89G
13 10 1189756416 12
D4
D3
D2
D1
D13
D12
D11
D10
D8
D7
D6
D5
26 27 28 29 30 31 32 33 34 35 36 37 38 1 4014 15
D9
DP gfedcMbEa-
COM1
R40
R41
R42
R43
R50
R51
R52
R53
R60
R61
R62
P11
P10
VL
R72
R71
R70
R63
P12
P13
VSS
P20
P21
P22
P23
K00
K01
K02
K03
TEST
XOUT
XIN
RESET
HOLD
R80
R81
R82
R83
R90
R91
R92
VCC
+
9. CIRCUIT DIAGRAM

EL-2615P/2631L
– 1 –
■PARTS GUIDE
1Exteriors
A
A
KEY LAYOUT
ON
OFF PPIC 5/4 3210
000
123
456
789M
CE
%
M-
M+
M
TAX-
TAX+
GT
F6
GTRATE
SET K A
-
+
MU
A
CCP00198
293026
30
26
27
25
28
40
41
23
1
2
3
3
48
(ACO)
4
5
22
21
101
6
7
8
45
10
11
12
13
33
3114
34
24
3215
15
15
15
15
15
15
15
15151515
15
15
1515
1515
2016
16
17
19
19 18
18
18
18
18
18
4343
47
46
3
2
4
P
1
ACcord
P:
Plug conversionadaptor
(as an accessory)
1White (110V)
White
Yellow
Orange
Brown
1:
2:
3:
4:
2Yellow(127V)3Orange (220V)
4Brown(240V)
12
3
4Blue
BlackBrown
(TRC)
38
39
4
353
36
37
42
43
4343

EL-2615P/2631L
– 2 –
1Exteriors
NO. PARTS CODE PRICE
RANK NEW MARK PART RANK DESCRIPTION
10GS6150810//// AH D Printer cover
20GS6150630//// AD C Paper cutter
!
3
0GS5420170//// AS B AC cord [EL-2631L:ABC]
!0GS5420160//// AP B AC cord [EL-2631L:TRC]
!0GS5420150//// AP B AC cord [EL-2615P]
!0GS5420450//// AR N B AC cord [EL-2631L:ACO]
!
4
0GS3120290//// AY B Transformer(240V) [EL-2631L:ABC]
!0GS3120300//// AY B Transformer(MULTI) [EL-2631L:TRC]
!0GS3120210//// AY B Transformer(120V) [EL-2615P]
!0GS3120280//// AY B Transformer(230V) [EL-2631L:ACO]
50GS6117876//// AZ N D Upper case(ABS)
60GS6346010//// AD C Key finger(LARGE/for +=KEY)
70GS6346020//// AC C Key finger(SMALL/for 0KEY)
80GS6316150//// AD N C SL-SW mask(TAB-L)
10 0GS6150850S/// AK N C Slide sw unit(KNOB+PLATE)
11 0GS6316140//// AE N C Spacer
12 0GS5533970//// AM N C Contact rubber
13 0GS6251280//// AF N C Heat sink
14 0GS5623460//// AS N E PWB(KEY BOARD)
15 XUBSD26P06000 AA C Screw(2.6×6) (for PWB)
16 0GS6315030//// AC C Cushion(FOR DG)
17 0GS6127616//// AX N D Lower case(ABS(without hole)) [EL-2631L:ABC,ACO,EL-2615P]
0GS6127886//// AX N D Lower case(ABS(with hole)) [EL-2631L:TRC]
18 XUPSN30P10000 AB C Screw(3×10) (for CABINET)
19 0GS6320580//// AB C Foot rubber
20 0GS6313520//// AD C Prevention rubber(FOR TRANSFORMER)
21 KI-OB1084CCZZ BL E Printer head(PA512-5203a)
22 0GS6143920//// AK N D Display panel [EL-2631L]
0GS6310510//// AK N D Display panel [EL-2615P]
23 0GS6345970//// AK C Paper holder
24 0GS4510900//// AZ N B Display tube(13MT89G)
25 0GS6150830K/// AG N C Key unit-4(2key tops)(+/-,MU)
26 0GS6150640M/// AM C Key unit-2(5key tops)(*M,¯M,M-,M+,GT)
27 0GS6150640T/// AG C Key unit-3(2key tops)(TAX+,TAX-)
28 0GS6150640S/// AE C Key unit(1key top)(-=)
29 0GS6150640N/// AT C Key unit-1(12key tops)(0,1,2,3,4,5,6,7,8,9,00,n)
30 0GS6150830F/// AR N C Key unit(9key tops)(+=,%,÷,×,#/¯,*,Paper feed,→,CE)
31 0GS5110621//// AF N C Flat cable(K/B+M/B)
32 XBPSN30P08000 AA C Screw(3×8) (for HEAT SINK)
33 XNESD30-24000 AA C Nut(M3) (for HEAT SINK)
34 0GS5110630//// AE N C Flat cable(PRINTER)
35 QPLGA1023CCZZ AG C Plug change adaptor [EL-2631L:TRC]
36 0GS6510660//// AB N C Screw (for V/S)[EL-2631L:TRC]
37 0GS5253340//// AN B Voltage selector(ROTARY SWITCH) [EL-2631L:TRC]
!38 0GS3610270//// AD A Fuse(T125mA) [EL-2631L:TRC]
39 0GS6174280//// AD C Fuse holder [EL-2631L:TRC]
40 0GS9435280//// AB D Fuse label [EL-2631L:TRC]
41 TCAUA1210CCZZ AB D V/S caution label(for LOWER CASE) [EL-2631L:TRC]
42 TCAUA1213CCZZ AA D V/S caution tag(for AC CORD) [EL-2631L:TRC]
43 PTUBU1004CCZZ AA C Protection tube(M4)
45 0GS6316170//// AD N C SL-SW mask(POWER-L)
46 0GS6316180//// AD N C SL-SW mask(POWER-S)
47 0GS6316160//// AD N C SL-SW mask(TAB-S)
48 0GS3110130//// AL N C Ferrite core [EL-2631L:ACO]
101 0GS6150830//// BA N C Key top set(1set(31key))

EL-2615P/2631L
– 3 –
2Packing material &Accessories
3PWB unit
NO. PARTS CODE PRICE
RANK NEW MARK PART RANK DESCRIPTION
10GS9201020//// AD N D Manual(E/F/S) [EL-2631L:ABC,TRC] 0GS9201740//// AK N D Manual(E/F/S/I/S/SW/P/FI) [EL-2631L:ACO]
0GS9201750//// AK N D Manual(E/F/S) [EL-2615P]
20GS9182760//// AB D Ink ribbon caution card
30GS9300920//// AP N D Gift box [EL-2631L:ABC,TRC] 0GS9301980//// AP N D Gift box [EL-2631L:ACO]
0GS9301990//// AP N D Gift box [EL-2615P]
40GS9428560//// AL N D Pulp mold(L)
50GS9428550//// AL N D Pulp mold(R)
60GS9413630//// AD D P.E.bag [for UNIT]
70GS9411801//// AC D P.E.bag [for AC CORD]
NO. PARTS CODE PRICE
RANK NEW MARK PART RANK DESCRIPTION
10GS4312492//// AV B LSI(TC83220-0406) [U1]
2VHIM54531P+-1 AG B DRIVER IC(M54531P) [U2-4]
!30GS3610260//// AF A Fuse(T630mAT) [F1]
4VHD10E1N///-1 AB B Diode(1N4002) [D1-4]
5VHDDSS131//-1 AA B Diode(1N4148) [D5,D6,KD1-KD5,KD7-KD14]
60GS2210867//// AG C Capacitor(50V/1000µF) [C1]
7VCEAGU1HW105M AA C Capacitor(50WV 1.0µF) [C2,C3,C5]
8VCKYPU1HB103K AA C Capacitor(50WV 0.01µF) [C4,C9]
9VCCCPU1HH680J AB C Capacitor(50WV 68pF) [C7]
10 VCKYPU1HB222K AA C Capacitor(50WV 2200pF) [C8]
11 VRD-HT2EY682J AA C Resistor(1/4W 6.8KΩ±5%) [R3,R6]
12 VRD-HT2EY511J AA C Resistor(1/4W 510Ω±5%) [R4]
13 VRD-HT2EY103J AA C Resistor(1/4W 10KΩ±5%) [R5,R2,R7]
14 VRD-HT2HY392J AA C Resistor(1/2W 3.9KΩ±5%) [R8]
15 VRD-HT2EY153J AA C Resistor(1/4W 15KΩ±5%) [R9]
16 VRD-HT2EY472J AA C Resistor(1/4W 4.7KΩ±5%) [R10,R11]
17 VRD-HT2EY102G AA C Resistor(1/4W 1KΩ±2%) [R12]
18 VRD-HT2EY563J AA C Resistor(1/4W 56KΩ±5%) [R20]
19 VRD-HT2EY823J AA C Resistor(1/4W 82KΩ±5%) [R21]
20 VRD-HT2HY472J AA C Resistor(1/2W 4.7KΩ±5%) [R22]
21 VRD-HT2EY152J AA C Resistor(1/4W 1.5KΩ±5%) [R23]
22 VRD-HT2EY332J AA C Resistor(1/4W 3.3KΩ±5%) [R24]
23 VHEHZ7A3///-1 AB B Zener diode(HZ7A3) [ZD1]
24 0GS415023H//// AE B Zener diode(HZ16-2) [ZD2]
25 0GS4151480//// AD B Zener diode(HZ18-3) (EL-2631L:TRC)[ZD3,ZD4]
26 0GS4110334//// AF B Transistor(2SB647C) [Q1]
27 0GS4120992//// AL B Transistor(H1061) [Q2]
28 VS2SC1815-GRC AB B Transistor(2SC1815GR) [Q4,Q7,Q8]
29 VHERD5.6EB3-1 AB B Zener diode(RD5.6EB3) [ZD5]
30 RC-ZZ1006CCZZ AB C Capacitor(16V 0.1µF) [C11]
31 VCKYPU1HB103K AA C Capacitor(50WV 0.01µF) (EL-2631L:TRC,ACO,EL-2615P)[C12]
VCKYPU1HB103K AA C Capacitor(50WV 0.01µF) [C6]
32 0GS2510467//// AE C Capacitor(0.1µF/50V) [C13]

q
COPYRIGHT 2002 BY SHARP CORPORATION
All rights reserved.
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.
SHARP CORPORATION
Communication Systems Group
Quality & Reliability Control Center
2002 August Printed in Japan t