Date: May 23, 1994
ELECTRONIC TYPEWRITER: PA-4000 etc.
[Parts changes]
1. CHAN GE OF T HE M AIN CON T ROL PW B PARTS
2. CHAN GE OF THE RI BB ON HO LD ER PARTS F OR THE CARR IA GE UNI T
3. CHAN GE AND ADDI TIO N OF T HE PARTS FOR IM PRO VI NG THE
PRODUCT QUALI T Y
4. CHAN GE OF T HE SO LEN OI D FIXIN G SC REW AND OF THE RATCHET
S SHAPE
1. CHANGE OF THE MAIN CONTROL PWB PARTS
1) Model name: PA-4000
2) General: The following main control PWB parts have been and will be changed.
No. : ETE-294
3) Description: The causes and descriptions are as follows.
No. Cause Description
(1)
(2)
(3)
Correction of P/G
error
(4)
(5)
(6)
Improvement of
(7)
printing looks
Improvement of the
(8)
productivity
(6) Addition of the PWB fixing screw (XUPSD30P08000)
Change of the resistor R39 & R40 from
4.7KΩ to 10KΩ
Disuse of the resistor R4 10KΩ VRD-RC2EY103J
Addition of the resistor R42 10KΩ
Addition of the resistor R43 4.7KΩ
Addition of the resistor R44 & R45 1KΩ
Addition of the control PWB fixing screw
(shown in the following figure)
Change of the mask CPU (IC4) VHIM38002-232 VHIM38002- 235
Change of the connector (18 pin) CN1 QCNCW5 1 1 1B C 1H QCNCW5132BC1H Jun. ’94
Parts code
Before changing Changed
VRD-RC2EY472J VRD-RC2EY103J
—
—
—
—
—
VRD-RC2EY103 J
VRD-RC2EY472 J
VRD-RC2EY102 J
XUPSD30P0800 0
Application
1st lot
Feb. ’94
4) Application: From the 1st lot - The a bove No. ( 1) ~ (6)
From the Feb. production in 1994 - The above No. (7)
From the June production in 1994 - The above No. (8)
SHARP CORPORATION
Printer and Scanner Division
Main control PWB
1/5
Orange
C
2. CHANGE OF THE RIBBON HOLDER PARTS FOR THE CARRIAGE UNIT
1) Model name: PA-4000/3000III/3000X/3020III/3030III/3030X, QL-100/200/300, SM-8400
2) General: The following parts of the ribbon holder for the carriage unit have been changed for better
reliability.
3) Description: The following are the troubles and the relative changes.
Model Trouble & countermeasure Change Before changing Changed Remarks
PA-4000
PA-4000
PA-3030III
PA-3020III
PA-3000X
PA-3030X
QL-100
QL-200
QL-300
SM-8400
PA-4000
The ratchet mechanism has
been added to prevent the ribbon
from looseness.
The ratchet gear shape and the
R idle gear shape have been
changed to improve defective
overstrike which brings about
poor printing looks by imperfect
ribbon winding.
The back tension spring shape
has been changed to prevent the
back tension spring and the
correction gear from touching
each other.
Change of the RF
gear
Addition of the RF
ratchet
Addition of the
gear spring
Shape change of
the ratchet gear
Shape change of
the R idle gear
Shape change of
the back tension
spring
NGERH5142CHZZ NGERH5129CHZZ
—
— MSPRD5206CHZZ
NGERH5130CHZZ NGERH5130CHZA
NGERH5131CHZZ NGERH5131CHZA
NGERH5131HHZZ NGERH5131HHZA
MSPRD5201CHZB MSPRD5201CHZC
PTME-5019CHZZ
Refer to (A) in the
following fig.
Refer to (B) in the
following fig.
Refer to (C) in the
following fig.
Refer to (D) in the
following fig.
Refer to (E) in the
following fig.
Refer to (E) in the
following fig.
Refer to (F) in the
following fig.
(B) Addition of the RF ratchet
(A) Change of the RF gear
(C) Addition of the gear spring
4) Application: From the 1s t lo t - PA -4 000
From the Jan. production in 1994 - PA-3020III/3030III
From the April production in 1994 - QL-100/200/300, PA-3000X/3030X, SM-8400
(E) Change of the R idle gear
(D) Change of the ratchet gear
(F) Change of the back tension spring
2/5
3. CHANGE AND ADDITION OF THE PARTS FOR IMPROVING THE PRODUCT QUALITY
1) Model name: PA-4000
2) General: The following parts have been changed and added for improving the product quality.
3) Description: 1) A piece of vinyl sheet ((A) in the following fig.) and a piece of ribbon add. ((B) in the following
fig.) have been added against vibration and falling possible in transportation.
(B) Addition of a piece of ribbon add. against falling
SPAKX6015CHZZ
(A) Addition of a piece of vinyl
sheet against vibra tio n
SPAKA6014CHZZ
2) The release spring has been changed for improving the product quality.
<Before changing> <Changed>
MSPRT5156BCZZ → MSPRT5228CHZZ
3) A starting point adjusting screw of the wheel motor ((C) in the following fig.) has been added.
Addition of the screw (C) (LX-BZ5125CHZZ)
4) Application: From the Feb. production in 1994
3/5
4. CHANGE OF THE SOLENOID FIXING SCREW AND OF THE RATCHET S SHAPE
1) Model name: PA-4000/3000II/3000III/3000X/3000H/3020II/3020III/3030II/3030III/3030H/3030X/3030S/3100III
PA-3100X/3140II/3140S/W1400/1410/1200, QL-100/200/300/20/30, SM-8400
2) General: The solenoid fixing screw and the ratchet S shape have been changed by the following reasons.
3) Description: 1) The length of the solenoid fixing screw has been shortened to prevent it from touching the
solenoid bobbin.
<Before changing> <Changed> <Model applicable>
LX-BZ5119CHZZ → LX-BZ5131CHZZ PA-4000 only
(4.6mm long) (4.3mm long)
2) The shape of the ratchet S has been changed for decreasing the rotation load.
<Before changing> <Changed> <Models applicable>
PTME-5018CHZZ → PTME-5018CHZA The above current models
(Color: black) (Color: natural)
4) Application: The Jan. production in 1994 - PA-4000
Running change for the other models
4/5
Parts change:
Ref
No.
Model
name
1
PA-4000 U.S.A.
Version
P/G No.
5 - 78
5 - 79
5 - 45 VRD-RC2EY103J — —
5 -
1 -
5 - 40
Current parts
Parts code Parts code
VRD-RC2EY472J VRD-RC2EY103J AA
—
—
—
—
VHIM38002-232 VHIM38002-235 AW
New parts
VRD-RC2EY103J AA
VRD-RC2EY472J AA
VRD-RC2EY102J
XUPSD30P08000
Price
rank
Resistor
(1/4W 10KΩ ±5%)
Resistor
(1/4W 4.7KΩ ±5%)
Resistor
AA
(1/4W 1KΩ ±5%)
Screw (3 × 8)
AA
Mask CPU
Parts name
Inter-
Effective
change-
time
ability
1st lot 6
Feb. ’94 3 IC4
Note
R39
R40
R4
disused
R42
added
R43
added
R44 &
R45
added
—
2
PA-4000
PA-3030III
PA-3030X
QL-100 etc.
PA-4000 U.S.A.
PA-3020III
PA-3030III
QL-100/200/300
PA-3000X/3030X
SM-8400
PA-4000
3
5 - 12
QCNCW5111BC1H QCNCW5132BC1H AC
3 - 1 NGERH5142CHZZ NGERH5129CHZZ AD RF gear
— PTME-5019CHZZ AD RF ratchet
3 -
— MSPRD5206CHZZ AB Gear spring —
3 - 11 MSPRD5201CHZB MSPRD5201CHZC AB Back tension spring
U.S.A.
3 - 3 NGERH5130CHZZ NGERH5130CHZA AB Ratchet gear ∗ 1
All Apr. ’94
All
except
Europe
Europe NGERH5131HHZZ NGERH5131HHZA AA —
U.S.A.
NGERH5131CHZZ NGERH513 1C HZA AC
3 - 2
— SPAKA6014CHZZ AD Vinyl sheet
4 -
— SPAKX6015CHZZ AE Ribbon add —
2 - 7
MSPRT5156BCZZ MSPRT5228CHZZ
Connector
(18 pin)
R idle gear
AA Release spring 3 —
Jun. ’94 1 CN1
3—
6
Jan. ’94
3
Jan. ’94
6
Feb. ’94
—
—
—
—
—
3 - B4
3 - B2
3 - B3
PA-4000
4
PA-3000II/3000III
PA-3000X etc.
<Interchange>
1. Interchangeable. 4. Not interchangeable.
2. Current type can be used in place of new type.
New type cannot be used in place of current type.
3. Current type cannot be used in place of new type.
New type can be used in place of current type.
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.
* 1 Changed period: mentioned before
* 2 Destination & produced period: mentioned before
U.S.A.
3 - 7 PTME-5018CHZZ PTME-5018CHZA AD Ratchet S’
All 1
— LX-BZ5125CHZZ
LX-BZ5119CHZZ LX-BZ5131CHZZ
5. Interchangeable if replaced with same types of
6. Others.
AB
Screw
AB 3 —
related parts in use.
Jan. ’94
Jan. ’94
Running
change
Q’ty:
6
1→2
3
∗ 2
5/5
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