TOWA AX-100 User manual

Service Manual
AX-100 (Black)
TOWA Business Precision Electronics (Zhong Shan) CO., LTD.
2007-07
Table of contents

1
Ⅰ．Product Specification......................................................................................................................................... 2
1．General Specification................................................................................................................................... 2
2．Function Specification................................................................................................................................. 3
Ⅱ．Initialization....................................................................................................................................................... 6
1．Control lock and its function ....................................................................................................................... 6
2．System clear................................................................................................................................................. 6
3．System reset................................................................................................................................................. 6
Ⅲ．Module connection diagram.............................................................................................................................. 7
Ⅳ．Circuit instruction.............................................................................................................................................. 7
1．Power supply circuit.................................................................................................................................... 7
2．Reset and power failure circuit.................................................................................................................... 9
3．Front display control and keyboard scan circuit........................................................................................ 10
4．Rear display control circuit........................................................................................................................ 12
5．Print circuit ................................................................................................................................................ 12
6．Communication circuit .............................................................................................................................. 13
7．CPU（IC1）Resource allocation.............................................................................................................. 14
8．RAM（IC3）.......................................................................................................................................... 16
Ⅴ．Classify by common malfunctions and dispose of method.............................................................................. 17
（1）Entire machine exceptionally................................................................................................................. 17
（2）Data exceptionally................................................................................................................................. 18
Ⅵ、PCB layout diagram（Top layer）.................................................................................................................. 19
Ⅶ、List of entire machine...................................................................................................................................... 20

2
．Product Specification
1．General Specification
1、Front display8 digits, 8-segments LED(Including decimal point)
Your cash register has one 8-segments displays for the operator. It displays prices, subtotals,
change due, status codes and so on. This display can show up to eight digits.
2、Rear display: as same as the front display
3、Printer
SII CO.,LTD single-station thermal printer
Model : LTP 8235B
Specification: (Actual use value)
Drive voltage: 7V
Printing column: Symbol Max 24(12x24)
Printing speed: Max 10 lines/sec；Average 7 lines/sec
Paper roll size: 56.5-57.5 mm (2.22-2.26 inches)
Sensor : Lack of paper sensor, over hot sensor
4、Port A RS232 Port，adopt the RJ45 terminal (male port)，RS232 Port can be connected to
communicate with the PC and the Bar code reader。
5、Power supply adopt single-route output transformer (input220V AC or 240V AC ±10%，
50Hz ，outputAC11V 2A)
6、Save datadry battery。
7、Keyboard
Type ：Raised type only
Key number：1 feed key
There are 38 free keys can be set, The CASH TEND key is a double size key,
each key has been preset a function with silk-screen name and attaches key cap
Controllock：5 different modes ：P，L，R，X，Z
8、Drawer Model N26 or NP33
9、Software supports language for printing and display  English

3
2．Function Specification
1、Support the setting of date、time、machine number、receipt number、setting password、training
password、report number and so on
2、Department number16 (there are 8 direct departments number，by pressing the Department
Shift Key the department number can be achieve 16)
1)Name16 characters
2)Unit priceMax can be set up to 8 digits (include decimal) when in sale can be manually
input 7 digits (include decimal)，
3)Flag Flag 1Assign the department to a group (0-9).
Flag 2Single / more item sale，+%、-% allow and negative department
Flag 3High amount lock out (HALO) (It’s only effective for the manually input
price)
Flag 4 Set up departments application tax rate info Tax1,Tax2,Tax3,Tax4
4)Other Support periodical report and daily report，when the department single transaction
amount exceeds 9 digits then a warning will give out，quantity 8 digits (4 integer，4
decimal)
3、PLU number200
1)Name16 bytes，
2)Unit priceMax can be set up to 8 digits (include decimal) when in sale can be input 7 digits
(include decimal)
3) Linked department1 byte (1－16)
4)Bar codeMax 13 digits
5)OtherSupport periodical report and daily report，when single transaction amount of
department exceeds 9 digits then a warning will give out，quantity 8 digits(4 integer，
4 decimal)
4、-%1，+%1, －1
5、Tax rate You can set up to 4 types of tax to be added to each item (VAT or ADD tax or tax
table)
6、Clerk10
1)Name12 bytes
2)Password4 digits
3)Clerk report content：net sale，cash amount，check amount，credit card amount，VOID amount

4
(include return and VOID)，Non-add sale amount
7、LOGO Max 5 lines，each line max 24 bytes
8、MESSAGE Max 5 lines，each line max 24 bytes
9、Support main flag setting
10、Support keyboard setting
11、Support transaction name setting
12、Report function
Department group sales report（read report）
Full department sales report（read report）
Individual PLU sales report（read report）
Full PLU sales report（read and reset report）
Individual PLU link department sales report（read report）
Full PLU link department sales report（read report）
Individual clerk sales（read and reset report）
Full clerk sales（read and reset report）
Full report（read and reset report）
Drawer report（read and reset report）
Cash Declaration report（daily reset report）
Hourly Report
Training Report
13、Payment type
Supports Cash、Check、Credit card、Keep accounts、Foreign currency and Coupon payment
14、Other functions
Cancel operation
VOID operation
Return merchandise operation
Copy receipt
Time or date display
Report count function
X1：Daily read report
X2：Periodical read report
Z1：Daily reset report