CASIO EX-259B Repair Manual

$7.99

CASIO EX-259B - It's a complete service manual, and it's in PDF format. It contains circuit diagrams ( schemas ) etc. It also usually contains parts catalog. After placing order we'll send You download instructions on Your email address. See below for delivery information

The manual is available only in language(s): English

Link to manual will be sent on Your email address after You place order.

This product was added to our catalog on Tuesday 15 April, 2008.

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Jeff Lewis - 07/24/2006

Received the Hitachi user manual. Happy happy happy! Thanks again.

HIROSHI EMOTO - 11/29/2007

Very fast service and a good documents. Thank you.

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francesco mayol - 02/11/2007

This is the best site to find what you need.I reccomand all thecnicia n to contact User-Manuals .

Anny ROY - 04/06/2007

Super fast service and document of excellent quality. Thanks

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Click to see text excerpt from the manual

PW-on
Pin No. SignalDescriptionsI/O
level
50P03/SI0/SB1Key input signal (KI3)InHigh
51P02/SO0/SB0 Key input signal (KI2)InHigh
52P01/SCK0_ Key input signal (KI1)InHigh
53P00/INT4 Key input signal (KI0)InHigh
54VSSGND terminalNN
55XT1Sub system clock signal (32.768 KHz)InPulse
56XT2Sub system clock signal (32.768 KHz)InPulse
57ICGND terminalNN
58X1Main system clock signal (4.19 MHz)InPulse
59X2Main system clock signal (4.19 MHz)InPulse
60RESET_ Initialize signalInHigh
61P143RAM write enable signal (WE_)OutHigh
62P142RAM chip enable signal (CE_)OutHigh
63P141Journal feed common signalOutLow
64P140Receipt feed common signalOutLow
65P133RAM data signal (D3)I/OHigh
66P132RAM data signal (D2)I/OHigh
67P131RAM data signal (D1)I/OHigh
68P130RAM data signal (D0)I/OHigh
69P123Key common signal (Kc02)OutPulse
70P122Key common signal (Kc01)OutPulse
71P121Key common signal (Kc00)OutPulse
72P120RAM address signal (A14)OutLow
73AVSSGND terminalNN
74P153/AN7 Receipt ON/OFF signalInHigh
75P152/AN6 Motor error signalInLow
76P151/AN5 Pad data signal (PAD2)InHigh
77P150/AN4 Pad data signal (PAD1)InHigh
78AN3GND terminalNN
79AN2Battery voltage detection terminal0 ~ 4.5VIn
80AN1Drawer sensor signalInLow
Note:The "PW-ON level" is measured under following conditions.
(1) Mode switch is REG position.
(2) The display is the time.
(3) Receipt switch is ON position.
(4) PAD1 and PAD2 are both open.
6-3. Motor error detection circuit
When CPU output motor signal, transistor Q8 becomes on and the voltage level at "A" point becomes
GND. Then, paper feeding motor rotate. Normally, pin No. 1 of IC4 appears low signal.
IC4 detects differential voltage between pin No. 2 and 3.
In case pin No. 3 is higher than No. 2, output (pin No. 1) signal is high.
If motor happens over load (paper jam etc.), over load current (250mA) runs resistor R9. So " A" point
voltage level becomes high.
Then IC4 outputs high signal and then CPU knows motor error occured.
Whe the CPU receives "Motor error signal" CPU stops motor signal.
VPVCC
1SR-35-100A22K

VPD35(?2%)R6BA1039310K
3 8
+
21Ä�
R37MOTOR ERROR
IC4
(?2%)
To Printer3.9 (R50X)C10
R9R101K
TFC103
To CPU
Q81.5KR26MOTOR
2SD1853
10KR11
GNDP
N 12 N