SHARP UPER13MR, UP-E13MR Service Manual

SERVICE MANUAL
Magnetic Card Reader
MODEL UP-E13MR
1. FUNCTIONS
Card operation One way manual swipe Write/Read Read only
2. APPLICABLE CARDS
Magnetic stripe card Cards encoded is based on ISO
7811/1~5 (Track 1, 2 and 3) Type: Track 1 (210BPI F2F)
Track 2 (75BPI F2F) Track 3 (210BPI F2F)
3. BASIC PERFORMANCE
Readable operating speed 10cm/sec ~ 100cm/sec Output signals RDD- : Read data
RCP- : Read clock pulse CLS- : Card loading signal
4. ENVIRONMENTAL CHARACTERISTICS
Temperature -20 °C ~ +60 °C / 30% ~ 95% RH Storage -30 °C ~ +70 °C / 10% ~ 95% RH
6. CIRCUIT DESCRIPTION
For the MCR unit of the UP-E13MR, component parts are not sup­plied. Therefore when failures occur or repair is unavoidable replace the whole MCR unit. The following descriptions are for your reference only.
1) Block diagram
Connector
Signal
Head
Head
Read
amplifier
Track 1
Read
amplifier
Wave form
arrangement
CLS generation
Reference voltage
Wave form
arrangement
CLS generation
F2F
decoder
F2F
decoder
VCC
VCC
Output
arrangement
Output
arrangement
Output
arrangement
Output
arrangement
Output
arrangement
Output
arrangement
RCP (1)
RDD (1)
CLS (1)
VCC +5V
GND
RCP (2)
RDD (2)
CLS (2)
pin No.
5
4
3
1
2
8
7
6
5. LIFE
Unit life More than 300,000 card passes Card life More than 1,000 passes
Parts marked with " " are im portant for maintaining the safe ty of the set. Be sure to re place these parts with specified ones for maintaining the safety and performance of the set.
Track 2
Head
Read
amplifier
Track 3
SHARP CORPORATION
Reference voltage
Wave form
arrangement
CLS generation
Reference voltage
F2F
decoder
VCC
Output
arrangement
Output
arrangement
Output
arrangement
RCP (3)
RDD (3)
CLS (3)
Figure 1. BLOCK DIAGRAM
This document has been published to be used for after sales service only. The contents are subject to change without notice.
11
10
9
Symbol/PartsCod)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
2) Output circuit
+VCC
GND
Figure 2. OUTPUT CIRCUIT
3) Receive circuit
Figure 3. RECEIVE CIRCUIT
4) Timing chart
+VCC
4.7K 10K
C • MOS 4069 or eq.
OUTPUT
RDD RCP CLS
7. OTHERS
1) For diagnostic operations of the UP-E13MR, please refer to the
Service Manual of the POS to which it is installed.
2) Service tool
NAME PARTS CODE PRICE RANK
MCR test card
BL
Head output
Card output signals
H
RCP
L
H
RDD
L
H
CLS
L
16 x FC (Typ) (Track1) 4 x FC (Typ) (Track2) 16 x FC (Typ) (Track3)
H
RCP
L
H
RDD
L
Valid data
Start mark All "0"
TB
24µs (Min) 32µs (Typ)
"0" "1" "1" "0"
5µs (Min) 8µs (Typ)
End mark
All "0"
0.2sec Max.
Indefinite signals
FC : Flux change
210BPI 75BPI
0.12
TB (ms)
V
V(m/s) : Card speed
TB will vary with changes of card speed and jitter
It is recommended to use the leading edge of the RCP pulse as the clock timing
Figure 4. TIMING CHART
Notes
1. Basically,
CLS is not output when a) a card is not swiped correctly. b) data is not encoded to a card because the
But if a card is slid too fast,
CLS signal turns into "H" if a card is stopped at mid point of
2. The
CLS signal is generated by the head output pulses.
CLS may be induced in the case of b).
the swipe.
CLS may result if a strong mechanical shock is given to the
3. The unit.
4.
CLS, RCP and RDD are continued for a short period of time (for
0.2 sec. or less) after the passing a card.
0.34 V
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