Sharp PC-1261 User manual

About 11 minutes
0 to 40°C
6V ::o (DC) li thium battery
(CR2032) x 2
Approximately 300 hours
when all 24 display digits are
indicated with "5" continu-
ously under the operating
temperature of 20 ° C .
Subject to fluctuation depend -
i ng on the type of battery
and usage.
• It w i ll last about fou r
months when used one
hour per day, provided
that 10 minutes are dedi -
ca t e d fo r ope r ation or
program ex ecu t io n and 50
mi nu t es for display i ng .
SHARP CORPORATION
•Battery l i fe :
•Auto power off :
•Operating temperature :
•Powe r supplv:
Mantissa part
..... Statement
-0 . 00001234567898 / 10000
-1. 234567898[-09-computational results
displayed with exponent
in use
Exponential part
Display character s i ze :
4 . 01 (H) x 2 . 85(W) mm
Pitch : 3.7mm
Batte r y backup to retain pro -
gram, data, and reserve con -
tents during power off
5 x 7 dot matrix LCD
( 24 digits x 2 lines)
( LF8223E)
•D i splay:
•Memo r y protect i on :
Function:
Trigonomet ri c funct i on,
inverse trigonomet r ic func -
tion , logarithm, exponen -
t ial , ang l e conversion,
powe r r aising, square roo t
e x tract , i nteger conversion ,
a bs o l ute v a lue , si gnum
funct i o n, c ir c l e ra t i o , e t c .
Horiz o nt al c ursor shi f t ( .,. . ~ )
Ins e rti on ( I N S )
Del e ti o n ( D EL)
Line up and do wn I l . t)
•E diting funct i on :
•Stack :
•System ROM :
•Memory capac i ty :
•Programming lan guage :
•CPU :
•Computat i on method :
•Ope r ational capac ity:
1 0 d igi t s o f mant i ss a w ith
t wo d i gits of e xponenta ti on
Exac t ly a s th e programmed
stat e m e nt (wit h the pri o ri t y
dete rmi na t ion fe a tu re )
BA S I C
CMOS, 8-bit CPU
40 KB
System a r ea : About 0.6 KB
Data dedicated a r ea:
208 bytes
Program / data area :
PC-1261 : 9842 by t es
PC-1260: 3198 bytes
Reserve area : 48 bytes
Statem e nt program a r ea
( basic capac i ty ) : 128 bytes
Fo r s ubrout i ne u se: 10 stacks
For FOR - NEXT statement:
5 stacks
Fo r function : 16 stacks
For data: 8 stacks
•Basic comput i ng functions : Basic computatio n:
Four math r ules
~00~
0000
0000
[ ~JD0D
1DEF1 §a rn m GJ C8 1 BRK'
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SPC
~ ~@] ~ [fil ~ ~ D JENTERJ
PC-1261
PC-1260
MODEL
CODE:OO Z PC1260SM/E
•K eyb oard l a you t:
1 . SPECIFICATION
SERVICE MANUAL
SHARP -
PC-1260
PC- 1 2 61

-2- -----------------~
L---------------------
C O S BO ND I N G
F04
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RAM ! RAM2 RAM3
RAM 4 RAMS
RO M 32K
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SC613 25 6FG5 3
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I ADO RE S BUS A~ - A14
I DA TA B us : 0 1-08
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r------- - ------ - ----------- 1
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P C - 1260 on l y /'- - - - - - - - -- - - - - - - - - - -- -- ...J
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SC435 3 6
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SC 61860All
Va; ___.
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DISPLAY2
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C E A 0 -13 0 1 - 8
R / W
A0 - 10 0 1 - 8
'---
Ke y Matrix
( 51 Ke y + ON Ke y)
RO M 32K
RAM 2K
S I id e SW
SC613 25 6FG53
HM 6 l 1 6 X 2
CE
1
C E
Buzzerc:J .. L
S e ll ACK B USY
·1
..
D i n
A l 3 C E!
CE2
Sel2 D o ut
Va;
F 04
I
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I
l l p i n c o n nector
TC4 0HO O OF
2. SYSTEM BLOCK DIAGRAM
th e un i t , i nstru c t i on manua l ,
name label
0 . 03W
1 35 ( W ) x 70 ( 0 ) x 9 . 5(H) mm
1 1 5 g r a ms in c l uding batte ri es
Ha r d co v e r, t wo temp l ate s,
two l ith i um ba t te ri es i nsi d e
•Power consumption:
•Physical dimensions :
•Weight:
•Accessor i es :
-
PC-1260
PC-1 2 61

- 3 -
Pin Signal
In / Out Function (standby = power off)
No . Name
1
A01 Out Address bus line, high during standby
2 R/W Out Write clock signal , normally high
3
</J AL
Out Low order bit address latch , normally high. The clock used to latch the low order 8 bits of the
16 - bit address signal for the data bus I ine, when a large capacity R O M is used .
4
TES I n Test input, normally low
5
</Ji
In Oscillator input
6
</J o
Out Oscillator
output
7
RES
I n Reset i nput, normally pulled down to low level. Res e t when high.
8 Xin I n CE - 125 microcassette option signal input (MTin)
9
ON In ON (BREAK) key input, normally pulled down
t o low l e v el
10 Xout
Out CE-125 m icro c assette option signal and buzze r si gna l output (MTo u t1)
11 Dis Out LCD driver
con t rol signal
12 HA Out LCD driver cl o ck. Low during standby, and 2 kHz pulse is issued during dis p laying.
1 3 iA8 In / Out Key input / key strobe output , normally low, but pulse issued with a key oper a tion.
14 i A7
In / Out Key input / key strobe output, normally low, but pulse issued with a key opera t ion .
15 i A6
In / Out Key input / key strobe output, normally low, bu t pulse issue d with a key op e r a tion .
1 6 iA5 In / Out Key i nput / key strobe output, normally low, but pulse issued with a key opera t ion.
1 7
iA4
In / Out Key input / key strobe output , normally low, b u t pulse issued with a key oper a tio n .
18 iA3
I n / Out Key in p ut / key s t robe output, normally low , bu t pulse iss u ed with a key operation.
1 9 iA2 In / Out Key i nput / key strobe output , normally low , bu t pulse issued with a key operation.
20 iA1 In / Out Key input / key strobe output, norma l ly low , but pulse issued with a key operati o n.
21 iB8 In ACK signal which enables
th e 1 / 0 (PCU) to read data from the C P U.
22 iB7 I n
Data in s i gnal (Din) wh i ch is a serial data input from the PCU (b i t unit, se r ial handsha k e).
· -
23 i B6 Out (SEL2) select
output, P - type open drain
24 iB5 Out (SE
L 1 ) select output, P-type open drain
25 iB4 In Slide switch input
26 iB3 Out Key strobe output, low during standby, bu t pulse issued with a key operati o n.
27 iB2 Out Key strobe
output, low during standby, but puls e issu e d wit h a key opera t ion.
28 i B1
Out Key strobe output , low during standby , but pulse issued with a key operation .
29 VM In LCD power supply
30 VA In LC D power supply
31 GND In Power supply
32 H1 Out L CD backplate signal , high impedance duri n g stand b y, but 4 level pulse issued d uring displaying .
33 H2 Out LCD backplate signal, high impedance during
standby , but 4 level pulse i s sued d u ring displaying .
34 H3 Out LCD backplate signal, high impedance during standby, but 4 level pulse issued during
displaying .
35 H4
O ut LCD backplate signal, high impedance during standby, but 4 level pulse is s ued dur i ng display i ng .
36 H5 Out LCD backplate
signal , high i mpedance dur i ng standby , but 4 level pulse issued dur i ng display i ng.
37 H6 Out LCD Backplate signal, high impedance during standby, but 4 level pulse issued during
displaying .
38 H7 Out LCD backplate signal, high impedance during
standby , but 4 level pulse issued d ur i ng displaying .
3 9
HS Out LCD backplate si g n a l, high impedan c e during st a ndby, but 4 level pulse iss u ed during displ a ying.
4 0 H9
O ut LCD b ac k p l at e s i g n a l , hig h i mp eda n ce during s t a n dby, b ut 4 l evel p u lse is sued d ur i ng dis p laying .
3~ CPU SI GNAL DESCRIPT I ON
..
PC-1260
PC - 1261

- 4 -
P i n
Signal
In/Out
F u nction (standby
- power off)
No. Name
4 1
H10 Out
L CD backplate signal , high impedance dur i ng standby , but 4 level pulse issued dur i ng displaying.
4 2 H11 Out LCD backplate
s ignal, high impedance during standby, but 4 level pulse issued dur i ng displaying.
43 H12 Out
L CD backplate signal , high impedance during standby, but 4 level pulse issued during display i ng .
4 4 H13 Out
L CD backplate signal , high impedance dur i ng standby, but 4 level pulse i ssued during display in g .
4 5 H14 Out
L CD backplate signal , high i mpedance during standby, but 4 level pulse issued during displaying.
46 H15
-
N ot used because the display unit of this model is operates under 1 / 14 duty.
47 H16
-
N o t used because the display unit of this model i s operates under 1 / 14 duty.
4 8 VB
I n
L CD power supply, high during standby and VB when clock is at stop.
49 VD i S
In
L CD power supply, high during standby and low when clock is at stop.
50
v cc
I n
L CD power supply, normally low.
5 1
vo e
O ut
L CD power supply, high during standby and low when clock is at stop.
52 VGG I n
Power supply, normally low
5 3 08
I n / Out
D a ta bus line, normally high impedance
54 o7
I n / Out
D at a bus line , normally high impedance
5 5 0 6 In/Out
Data bus line , normally high impedance
5 6 o5 I n / Out Data bus
l ine , normally high i mpedance
57 o4 I n / Out Data bus
line , normally high impedance
5 8 o 3 I n / Out Data bus line, normally h i gh impedance
5 9 o 2
I n / Out D ata b us l i ne , normally high impedance
60 o 1 I n / Out Data bus line , normally high impedance
61 Fo5 Out 32 K ROM chip enable
62 Fo4
O ut Option RAM chip enab l e
6 3 Fo3
O ut
LC D driver LSI (D I SPLAY 1) chip enable
6 4 Fo2 Ou t D ata ou t (Dout ) peripheral data out p o r t outp u t
6 5
Fo1 Out
B USY ( 1 / F) out port output
6 6 Bo8
O ut LCD dri ver LSI (DISPLAY 2) chip enable
67 Bo 7 Out
( A 1 4 ) add r ess bus lin e , h i gh during stand by
68 Bo6 Out
( A 13) addre s s bus l ine, high during standby
69 Bo5 Ou t
( A 12) address bus l ine , high dur i ng standb y
70 Bo4 O ut
( A11) address bus line , high during standby
71 Bo3 Out
( A10) address bus line , high during standby
72 Bo2 Out
( A9) address bus line, high during standby
7 3 Bo1
Out
( AB) addre s s bus l ine , h i gh during standby
7 4 Ao8 Out
( A7) address bus line , high during standby
75 Ao7 Out (A6) address bus line,
h i gh during s tandby
76 Ao6 Out
( A5) address bus line , high during standby
77 Ao5 Out
( A4) address bus line , high during standby
78 Ao4 Out (A3) address bus line, high during standby
79 Ao3 Out (A2) address bus
l ine , high during standb y
80 Ao2 Out (A1) address bus line, high during standby
-
PC-1260
PC - 1261

-5-
x : D o n't C a re
\Addres s
Al5 Al4 Al 3 Al2 All
P i n No. \
F05
1
x x x x
( ROM )
F04
0 1
x x x
( RAM )
F 03
0 0 0 1
x
( Displ )
BOS
0 1 1 0
x
( Disp2 )
6. CHIP ENABLE PROGRAM LOGIC
ARRAY (CE-PLA)
E PC- 1 26 0 PC- 1 26 1 ,
FF FFH '--- --- ---'
5 .
MEMORY MAP
2 000H
D I 5P !
OOO O H
20 1FH
8 K B i nte rn al
28 001-1
ROM
D ! SP2
2000 H 28 BFH
Di splay are a 3000 H
4 000 H
Unused 30BFH
DI S P2 imag e
38 0 0 H
RAM are a Unused
38 BFH
400 0 1-1
I
RAM!
80 00 H
48 00 H
Unused 1
R A M2
5000 H
I
RAM 3
R A Ml
580 01-1
R A M 4
32 KB
R A M 2
R A M 5
6 000I-1
6 8 00 H
ROM
Un u sed Unused
h 5 = 0 h5 = 1
A ll d i git s OFF ( Di F L)
VAL VBH
O N
V B L
VA H
OFF
V A H
VB H
v o t ~= VaL --
A l I d ig it s 0 FF oN oN oN 0N 1 0FF0FF0FF 1 0FF 1 0FF0 F F ' oN . oN oN o N oN o N o N ON orF
Segm e nt wa ve fo r m j
V AL -- -- ------<
V M L _.
VBH -- -- - ~
Backp l ate (H1)
i wavetorrn
V M H -- -- -
G ND=VAH -
Segm e nt
out p ut
wa v eform
H I H 2 H 3 H 4 H S H S H7 H S H 9 I H IO I Hll H l 2 ) H l3H 1 4 i H! H 2 H3 H 4 H S
hi( TRI )
h2 ( TR2 )
h 3( TR3 )
h4 ( TR4 )
h5 ( T R5)
R ES
H A
D I S
4-3 . Counter sect i on and segment outp u t wave-
forms
N OTE : Volta g e w he n
VDIS i s 7 . 0V .
- - 7.0 V
Vs
-- - 5.6 V
- - 4 .2V
- - 2.sv
- - L4V
- 0\1
G ND
R e tains the state at
the time of OFF .
HA
DI S
Display ON Pow er OFF
___ _ _ _:____:__ ~ (CPU at standby)
Display OFF'
4 - 2. L CD ti mi ngs
The 24 - digit liquid crystal display is divided into hal f. H1
t hrough H7 are used for backplate signal from the fi r s t digit
t o the twelfth dig i t , and H8 through H14 are used fo r back -
plate signal from the thirteenth digit to the twenty fou r th
digit . Therefore, the LCD operates under the 1 / 14 duty .
80t:'Y
" --- ··· -- - - --- ----------- --- -- - -- - - ----- ---- - -- ·
(ij
)
>
6 4 b y t e
6 4 byte
6 4 byte
0
C B O - B F l ( 4 0-7F )
(0 0- 3 F )
c
M
M
(l)
(Display RAM)
E
Ol
(l)
Cf)
1 562 )
562
Q S s1
( 563 )
56 3
Q Ss z
R ea d / Wr ite
B
R A M
V s
S1
S z
16
GND VGG D I S HA
i- - - - - --<r- - <r~ -
: ~
4 -1. L CD d r ive LS I (SC43536)
4 . LCD DRIVE AND TIMINGS

Input
Out p u t
A
B
y
L L
H
H L
H
L
H
H
H H
L
Truth table
Y = ~
Vs s 2Y2B
l Y 2A lB
l A
7
3A 3 Y 3 B
4A 4 Y
V DD 4B
1 4
Pin configuration
F0 4
Al3 Output
0
0 R A MI
0 1
RAM 2
-
PC-1260
PC-1261
7-2. PC-1260 decoder(TC40HOOOP)
-6-
Don't ca re
I N PUTS
OU T PU T S
EN A B L E SE LE C T
G I
G2A G2 B A B c Y O YI Y 2 Y 3 Y4
Y 5 Y6
Y7
L
*
* * * *
H H
H H H H H H
*
H
* * * *
H H H H
H H H
H
*
*
H
* * *
H H H H H H
H H
H L L L L L L H H H H H
H H
H
L L H L L H L H H H H
H H
H L L L H L H H L H H H
H
H
H
L L
H H L H H H
L H H H
H
H
L L L L H H H H H L H H
H
H L L H L H H H H H H
L H H
H L L L H H H H H H H
H L
H
H L L H
H H H H
H H
H H
H L
Truth table
SELECT ENA BL E
Y7 Vss
D AT A
OU T PUT
A B c ) ,GM G2B G l I
•
VDD
Y6 \
DATA OUTP U TS
.
Pin configuration
F04 Al 3 A l2 A l l
Output
0 0
0 0 RAMl
0
0 0 1
II
2
0
0 1
0
II
3
0 0 1
1
I I
4
0
1
0 0
II
5
7-1. PC-1261 decoder(TC40H 138P)
7. RAMSELECT CE-PLA
-OGIC
2 000 H
DI SP I
20 B FH
2800 1-1
D I S P 2
28 B FH
3000 H
3 0BFH
38 0 0 1-1
3 8 BFH
4 000H
480 0H
50 00H
58 00 H
60 0 0 H
680 0H
'N O N ONON OFF
ll H 2 H3 H4 HS
tput wave-

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8-1. PC-1261 flat type PWB circuit diagram
Si n ce the first production unit t he P - COS type RAM un it (2 KB x 5 ) h a s b e en use d for the PC -1 261 memo r y PWB un i t .
But , in some of PWB unit in future , it may be sup e rseded by the fla t typ e PWB un it t ha t cons ists o f th e 8 KB flat p a c ka ge d
RAM (UPD4364G - 20L ) , c o mposed of the flat p a ckag e d th e P - COS ty p e RAM (2 KB x 4 ) , an d th e 2 KB RAM ( H M6 11 6 or
TC5711 ).
The P-COS type PWB un i t will be in s upply for ser v i c e p ar ts fo r th e t i m e b ein g .
The flat type PWB unit i s interchangeab lewith the P - COS typ e by th e wh o le uni t.
NOTE : P - COS mean s t he prin t e d circ uit board on whic h LSI c h ips ar e direc tly bo n ded.
8. CAUTION ABOUT THE PC-1261 MEMORY PWB UNIT {P-COS AND FLAT TYPES)
-
PC-1260
PC-1261

- 8 -
SC613256F G 76
10Z-Dt9£~0drl (
....
en
8 - 3. PC - 1261 memory PWB { FLAT t ype)
0
CAN NQA
E 10 C CE u
NC
SC 6 I 3256FG53 GND
VGG
04
AS
08
CBA
~ ·18 s l HO V J .l
A9
~ ------ ---'
AO
A O ==
=
=
=
=
=
=
=
=
=
=
=
=
Al4 c:::=I
F04 c=:::J
F OS c=:::J
OI =
I i
=
08 =
R / W c::::::J
8 - 2. PC-1261 memory PWB {P-COS type)
_________ _J
6 FG 76
1 65 0s ~
t---
0 7 ~- ~· ~
t---
06 ,__ __ ___/ " '
05 ,___ ___/ . ""
-t---
104 ~
t---
~ O M
)
I -
1 ~ ---
1 '
L __ ); l
-
l c ka ge d
' 11 6 o r
' PES)

- 9 -
D
c B
A
RA M 4 RAM 2 P - COS t ype
L-- -- ------------
R A M S
2 K
RAM
chi p
2 K
RAM
ch ip
I >=
I >:
Chip
RAM 3
RA Ml
2K b y te
RAM
2 K
RAM
c h i p
SC6 13 2 5 6FG53
1 ;;::
I >:
2 K
RA M
c h i p
2
Ad dr e~s A 0---.- A 10 E!--r:izi;j tl;j t;g [Zi[µ: gg-gm:[j
R / W - ---- --------li ---- --------- ---+- -- ----4
V GG
H A
32K ROM
3
Dat a bus01 ~ 0 8
, ----- --
1
I
I
I
I
I
4
DI S PL AY 2
SC4 3536
D J S P L AYl
SC 4 3 536
t
Se gm en t Seg m ent SI .--... 562
I
-- -+-,.....--------
5
6
CIRCUIT D I A GRAM

-
PC - 1260
PC-1261
-10-
H
G
FE
_J
OPTION I NTERFACE
11 P I N CONNECTO R
A II c hip t ype transisto r is
2SC28 1 2 ( L5 ,L6 )
:1:1 c11 i" - l' L 21:lltll7'1/ll;, . , f(1)h£ • ~
( B $: : ' f ill )
Diode L 2 : F or OT H E R COUN TRY
( Except for JA P AN )
~o t e ) ;t 7- "Y-f ~7 :.-- 0 .A~ 'i:i:T2SC2812
( L 5, L 6 )
. c___ : _ :~ ~
. ACK
D I N
MT o u t 1
: 613256FG53
BUS Y
3 2K RO M
D o ut
I
I
L _
l ()()K n
ter m i na l i S i g n :! na me I
I MTo u t2
G N D
4 . 7Kn
) ()() Kn
' '
L.. - - - - - - - - -- - - - - - - - - __ .J
1 00 PFX 2
MT i n
A O
SC61860A ll
ESR-H
C P U
I A4
0 . lµF ~ -+-+--+-+--+- +,
G ND
Lith i um
batter
-=- C R 203 2
...__. -l-+~ 3 - .3 - µ _ F _ V ~ M xz
v .,
VR
20Kn
~--> - -~~---------
Vue
! B l
L2 22 .n

-11-
c
A -- ---"R~ / ~W~~---fi f-- ~~ +-l-- +- -+_.._ +--fil~~~-iil--+- l-- ~~~~~~~~~~~~~~ ~~-t--t~-
B .._ ~ D - l~ S ~~---B f-- ~~ +-l--+->- +-+--filc-~~-+t-+-+- ~~~~ ~~~~~-
c -- ~H - A ~~~H-~~ -+-+__.. ~--l--+~H-~~~+1- --+-+ ~~~~~~~~~~~ ~~~~~~+-+-~
D B
A
D I S PL A Y 2
SC4 35 36
DI SP L A Y!
SC43536
t
GND
A dd r e~ s A()-..AlO
R /W
V GG
3 2 K ROM
2
CET 22Kn
Cf2
SC 613 256 F G53
2 K b y t e
2 K by t e
R A M!
RAM 2
H M 61 1 6
H M6 11 6
Sl - 560
Seg m ent
Seg m en t S l ........ S 62
I
3
4
5
6
-
PC - 1260
PC - 1261
10. CIRCUIT DIAGRAM

-12-
H G
F
E
O P T I O N I N TE RFAC E
llP I N C ONN EC TOR
A J i ch ip type t r ansi st o r i s
2S C28 1 2 ( L 5 ,L 6 )
* . l ? " 1 '° - I' L 2 l ;t tl;j jf11J -. , f O) ;,.~, 'li!
( B;;t;: :'f' llJ )
Diode L 2 : F o r OT H ER COUN T RY
( Ex c ep t fo r JAPAN )
~o r e ) )t( 7 ":J -J' t- 7 :_., :).A 7 ! .i 3::: -C 2SC28 12
( L 5 , L6 )
S EL 2 ·
- ~ S EL ~
AC K
D I N
M T ou t l
M T i n
GND
D o u t
BU S Y
I: . t e r min a l : S igna.l name I
MT ou t 2
l O O Kfl
4 . 7 K fl
A O
l OO K!l
'
I- - - - - - - - - - - - - - - - - - - __ .J
C PU
ES R-H
SC 61 8 60A ll
56 KO
G N D
L i t hiu m
batt e r
--=- CR2032
.___. ~~~~ --l--' + _ 3 _ . 3 _ µF ~ y " ~ X 2
Vo JS
Vu e
L 2 22 fl

-13-
11. PARTS & SIGNALS POSITION
11-1 . Main PWB

-14-
xa
;:t( 6 ( RALMB I 030CCOI ) March 1984 Producti on March 1984 Prod uct io n
( I set - ) (5 001 s et s - )
xs .x , } "\ ./ ,Y--;1 • ) 7:.; , ;t lfij;-).ffl -t: · ;J 1- © h i ~ ( 8 .$: : =-f ffl )
S o lder bridge : F o r OTHER COUNTRY ( Except for JAPAN )
xs ( RALMBI 0 30CCZZ )
:t: 2 :; 'l' ;_,,~ -w c 11 &(f J2 ) 1J.s;;t;.: OJ h i0 ~
Jumper wire JlandJ2 : For JAPAN only
PC- 1 26 1
PC-1260
~ m -tt -r
N o t used
Buzzer
:t:l ?' 1 ;t-~L2 1 ilfij::$1./fl-t: 7 t- OJ hJ0~ ( B;.t;::~ffl )
Diode L2: Fo r OTHE R COUNTRY ( Except for JAPAN )
S.59,3'A ~ i ! lU 5000 tl
(J)h
March 1984 Prod uc t I on
( l-5000s e t s only )
~ im Production
x 7'-:i -f l-7./ Y A? ! .i~--C2SC2812 ( L5,L6 )
All chip t ype trans i stor is 2SC2812 ( L5 ,L6 )
~ote )
11-2. PC-1260 memory PWB
-
PC-1260
PC-1261

W M err
~
~
NO .
1 LAN
2
P GU
3 PTP
4
PZE
5 PZE
6 QCN
7 QCN
8 Q T A
9 RAL
1 0 RC-
11 RC-
12
RC-
13 RC-
1 4
RC -
15
R C-
16 RCR
17 RH-
18
RYR
1 9 YHD
2 0 YH i
2 1 Y H i
22
YRS
2 3 Y R S
2 4
VRS
2 5
VRS
2 6 VRS
2 7
YRS
28 YYL
90 1
J2...!:!J'!
DUN
[2J M air
NO.
1
X B S
2 J:!.Q!
H DE
3 P Z E
D U N
4 D UN
DUN
5
QTA
6 LCH
7 PGU
8 RAL
9
DU N
DU N
10
P S L
13 P F i
1 4 P T P
1 5 P F i
1 6 J K N
1 7
J K N
1 8
J K N
19 J KN
2 0 J K N
2 1
J K N
2 2 J K N
2 3 QCN
2 4 MSL
25 PS L
2 6 PGU
27
D U N
DlJN
100 PTP
101 PZ E
[I] Exte
- 15 -
21
2 7 _____,.,
16 17 1 8 1 9 16 20
D~ __ J __ ,,r _ - J---~- ,. L , r--~ __ L , J l -1
1
i loErll~i[!] [[]l i G] ~ i \lsRK l : i 0 G 011~1
L ~i= __ :'.Jl '...ll :.JL: J I I L __J
r- - ---------- - ----------- -- ~ I k- - --~
:~~[£]~[!]0~cu@J0 :1 0 G 0 [2]:
I I I I
! 0~ @J[]@J~~~cgBJ:0 0 0 01
I I I I I
I ' [] 0 @] ~ ~ ~ ~ 0 lrnTER I ! i 0 D GJ D ! J
-_- - ----- - -= - -+ - - - -- - - - J L - -~------ - J _
22
15
6
-
PC-1260
P C - 12 6 1
12. PARTS LIST & GUIDE

-1 6 -
AB C
00 1 M SP RC1 207 CCZZ
D ESC R I PT I ON
PC
12 6 1
PC
1 2 60
PRI C E NEW PART
RANK M ARK RA NK
NQ PA RTS C OD E
[3J Memo ry PWB unit
NO .
P ARTS CODE
PRI C E NEW PART
DESCRIPTION
PC PC
RANK MARK RANK 1 2 60 1261
1
L ANGK1535 C CZZ AC
c
L C D anz l e
N I - It-
l. I q ~ 0 0
2 P GUMS15 4 6C C ZZ AD
N
c
Rubber con n ector
0 0
3
PTPEH1195CC Z Z A A
c
L CD tao e
0 0
4
PZE T L1313CCZZ AA
c
S o acer ( R ound)
0 0
5
P Z E T L 1 3 5 3 C C Z Z AA
c
S p ace r (Sq ua r e)
0 0
6
QCNC W 1306CC1 B AK c
Connecto r (l 2pi n )
0 0
7
QC N T M 1051 C CZZ
A B
c
R ese t termina I
0 0
8
Q TA NZ1289 CC ZZ A B
c
B a tt ery ter m inal
0 0
9
RALMB1030CC01 AD N B Buzze r
0 0
1 0
RC-CZ1021CCN1 A B
c
C a p aci t or (0.luFl 0 0
11
RC-CZ1035CCN1 AB c
Capacitor (100pF)
0 0
12
RC-CZ1037CCN1 AB
c
Capacitor r o . oi.. r :
0 0
1 3
RC - CZ1047CCN1 AB
c
Capacitor ( 0.033uF l 0 0
14
RC - SZ100 7 CCZZ AF
c
Capacitor (lµF) 0 0
15
RC-SZ1021CCZZ AC
c
Capacitor llOWV 3.3uF)
0 0
1 6
RCRSZ1063CCZZ AF B
Crystal (7 68KHzl 0 0
1 7
RH- iX 1012CCNl AC B
Transistor (C2812 , L5 L6)
0 0
1 8
RVR-Z2400QCZZ AF
c
Variable resistor
0 0
19
VHDDS1588L2-1 AB
B
Diode (DS1588L2)
0 0
2 0
VH i SC43536 / -l AX B
I C (SC43536)
0 0
2 1
V HiS C 61 8 60All BB N B IC ( SC61860Alll 0 0
22
VRS-T P 2 B D104J AA
c
R esistor 11 / 8 W lOOKO ±5o/nl
0 0
23
V R S- T P 2B D 105J AA
c
Res i stor 11 / 8 W I.O M O ±5%) 0 0
2 4
V R S-T P 2 B D220J AA
c
Resistor (l / 8 W 220 ± 5%)
0 0
2 5
VRS-TP2BD203J AA
c
Resistor (l / 8W 20KO ± 5° /n \
0 0
26
VRS-TP2 BD 472J AA c
Resistor (1 / 8 W 4. 7KO ± 50.;,:\
0 0
27
VRS-TP2BD563J AA
c
Resistor (l / 8 W 56KO ±5%) 0 0
28
VVLLF8223E / -l
A X N
B LC D
-
N L A- f~liC"
i c v
0 0
( Unit)
-
901
DU N TK7939CCZZ BR
N E M a i n P WB unit
0
DUNTK7941CCZZ BR N
E Main PW B un i t 0
[2J M a in P WB u n i t
>
NO . PARTS CODE PRICE NEW PART DES C RI P TION
P C
"'C
RANK MARK RANK
12 60 :261
1 X BSSC 20 P 08000
AA
c
S crew (2 X8)
0
-
~
2
HDE C A 2 0 82 C C18
A F N D B o tt o m panel
0
HD ECA2082CC17 A F N D Bott o m pan e l
-
~
3
P Z ETL 1491CCZZ A C
c
I ns ulat or s h ee t 0
G
DU NTK7997CCZZ
B Q
N E M emorv PWB uni t
0
4
DUNTK7998CCZZ BX N E M emo r v PWB u nit (P - COS tv n e)
0
D U N T K 8 1 8 9 C C Z Z
BX N E
M emory PWB u nit ( F la t type)
0
5
QT A N Z 1 4 0 6 CC Z Z
AB
c
B attery ter m ina l r EB 8 l
0 0
6
LC H SS1161CC01 AE
N
c
Ch ass i s
0 0
7
PGU M S1540CCZZ AC N
c
Rubber con n ector
0 0
8
RA L MB 1 0 3 0 CC 0 1 AD N B Bu zzer
0 0
9
DUNTK7939CCZZ BR N E M ain PWB unit
0
DUNTK 7 941CCZ Z
BR N E Ma i n PWB unit
0
10
PSLDP 1 463CC01 AC N
c
Display mask
0 0
13 PF i LW151 3 CC ZZ AC
N
c
A crv l filter 0 0
14
P T PEH10 39 CCZZ AA
c
Adhesive tape
0 0
15
PF i L W 1 4 24 CC ZZ AD
c
P o l a riz ed f ilt er
0 0
16
JK NB Z16 0 4 C C1 1 AH
c Ke v to o (DEF · BRK k ev e ac h of 2 4oc s/ l s et l 0 0
17
J K N B Z 1 6 0 6 C C 0 2 A F D
Kev top ( SHIFT ke y 48p cs/ls et )
0 0
1 8
J K N B Z 1 6 0 4 C C 1 2
AH
c
Kev to p ( 1 • l key 24pcs/ l s et )
0 0
19
J K N B Z 1 6 0 4 C C 1 3 AH
c
Key top ( ~·<II ke v 2 4 pc s / 1 s et )
0 0
20
J K N B Z 1 4 9 2 C C 0 9
A F
c
Key top (Key too for l 5k ey s e ach of 1 p c)
0 0
2 1
J K N B Z 1 6 2 2 C C 0 2
AE D Key t oo IC L kev 20 o cs/ 1 s et )
0 0
22
JK NB Z1794CC01 AG
c
Kev too ( T v oe w ri t e r kev eac h o f 1 o c )
0 0
2 3
QCNTM 1 042CCZ Z AA
c
S l ide s wi tch termi n a l
0 0
24 MSLiP1020CC 0 1
A B
c
Sli d e r
0 0
25
P S L D P 1 3 1 8 C C Z Z AA
c
Shie l d plate
0 0
2 6 PGUM M 1426CCZZ
A H B Key ru bb er
0 0
27
D U NTG7936CCZZ
A P N D Top ca b inet uni t
0
DU N TG7937CC ZZ AP
N
D T oo c a binet u ni t
0
100
PTPEH 1 0 90 CC Z Z A A
c
Adh esive ta p e
0 0
101 P Z E T L 1 4 6 5 C C Z Z
AA
c Insulator
0 0
[I] Exteriors

-17-
NO . PART S CODE
PR I CE NEW PART
DESCRI P TION
PC PC
RANK M A RK RANK 12 60 12 61
1 GCA S P 1099 CCZZ AE
N
D
H a rd cas e
0 0
2 LPL T P 1 0 9 9 CC Z Z
AA
c T en pl a t e
0 0
T i N S E 4 1 7 0 CC Z Z AW
N
D
In s tru ct i on book ( USA )
0 0
3 T i NSG41 7 5 CCZZ
AX N D
Ins t r u c t ion bo ok ( Ger many )
0 0
TiNS E 41 7 1CCZZ AX N D
I n s tru c ti on book ( Other coun tri es)
0 0
4 TL AB Z1 2 95CCZ Z A A D
N a me labe l
0 0
5
T L AB H1 99 7 CCZZ A C N
c Oper ation la b e l
0 0
6 SPAK A 74 1 3 CCZZ
A E
D P ac king cus hio n fo r s et
0 0
7
S PAK C8635CC ZZ
AD N
D P ac king case
0
S PAK C8627 CCZ Z
N
D P ac k i ng case
0
I
I
I
I
I
"
@] Accesso ry
NO . PART S CODE
PRI CE N EW PART
D E SCRIPT I ON
P C P C
RANK MAR K RA NK 1260 1261
2 V H i HM 6 l l 6 / / -C AZ
B IC ( HM 6116 )
0
3
V H i T C 40 HOOOFN AG B IC ( T C 4 0 HOOOF N )
0
4 VH i T C 40 H l38 FN AQ B IC ( T C40 Hl 38 FN )
0
5
V H i 613256 FG5 3 B D N B
IC (S C 613256 F G53)
0 0
V H i 6 13256 FG 7 6 BD N B IC < For flat type memor y PW B > (SC613256 F G76l
0
6
V H i D4 364 G 2 0LN BR
N
B IC < For flat type memory PWB > (UP D 4364G - 20Ll
0
7
VRS-TP 2 BD 223 J AA
c Res i stor (l / 8 W 22KO ± 5% )
0
8
V S2S C 28 1 2 -H-1 A B B
Trans i stor ( 2SC2812-H) 0
9
VRD-ST2B Y223 J AA
c Resistor (1 / 8 W 22KO ± 5 %)
0 0
10
VHDD S 15 88 L 2 -1 AB B
D iode (DSl 588 L2 )
0 0
( Un i t)
DU NTK799 7 CCZZ BQ
N E
M emory PWB un i t
0
90 1
D UNT K 7 9 9 8 CC Z Z BX N E M emor y PWB unit ( P - COS t y pe )
0
DUNT K 8 1 8 9 CC Z Z
BX N
E M emory PW B unit ( Flat t y pe)
0
W Memory PWB un i t
-
PC-1260
PC -1 2 61

SHARP CORPORATION
I ndustrial Instruments Group
Reliability & Quality Control Department
Y amatokoriyama , Nara 639 - 11 , Japan
1 98 4 J ul y P r int e d in Japan @
SHARP
-
PC-1260
PC-1261