2017年6月6日星期二

Tacho Universal V2008.01 Update& Repair Kit User Manual


Tacho Universal 2008.01 Update & Repair kit is for Tacho Pro U2008 odometer correction tool is a magical tool,Tacho Universal V2008.01 Update& Repair Kit can repair the following troubles: Screen display: Diga update and RESET, No display after powered on, No vehicle list, screen display black strip, Frequently Halting. Screen display both the following: update handheld and the machine cannot read EEPROM.
How to use it ?here is the user manual for Tacho Universal 2008.01 Update & Repair kit.

1 Package contains:

Tacho Universal V2008.01 Update& Repair Kit package

2 Repair TACHO Universal Hand-Held Device

trouble shooting
2.2 Solution
2.2.1Replace IC111 and IC112 as shown in the figure
sulution-2.2.1() sulution-2.2.1(2) sulution-2.2.1(3)
sulution-2.2.1(4)
sulution-2.2.1(5)
2.2.2 Replace AT24C02 as shown in the figure.
sulution-2.2.2(1)
sulution-2.2.2(2)
sulution-2.2.2(3)
2.2.3 Replace 74HC541
sulution-2.2.3(1)
sulution-2.2.3(2) sulution-2.2.3(3)

3 Update TACHO Universal Hand-Held Device

Remove the 8 screws, open the up cover, unplug the keyboard cable connector, and then remove the up cover as shown in the figure:
Update TACHO Universal Hand-Held Device (1) Update TACHO Universal Hand-Held Device (2)
Remove the CPU BOARD :
Update TACHO Universal Hand-Held Device (3) Update TACHO Universal Hand-Held Device (4)
Remove IC111 and IC112 :
Update TACHO Universal Hand-Held Device (5)
Update TACHO Universal Hand-Held Device (6) Update TACHO Universal Hand-Held Device (7) Update TACHO Universal Hand-Held Device (8)
Remove AT24C02 :
Update TACHO Universal Hand-Held Device (9) Update TACHO Universal Hand-Held Device (10)
Remove PIC12F629:
Update TACHO Universal Hand-Held Device (12)
Install IC111 and IC112. Make sure the install direction is correct. See the figure:
Update TACHO Universal Hand-Held Device (13) Update TACHO Universal Hand-Held Device (11) Update TACHO Universal Hand-Held Device (15)
Install AT24C02. Make sure the install direction is correct:
Update TACHO Universal Hand-Held Device (16)
Update TACHO Universal Hand-Held Device (1) Update TACHO Universal Hand-Held Device (18)
On your board, if there are not components in position 1 and 2, please remove component in position3. and then fix PIC12F629 onto the position on 1. fix OSC on the proper position in 2:
Update TACHO Universal Hand-Held Device (19) Update TACHO Universal Hand-Held Device (20)
Install CPU BOARD. Make sure install it in correct direction:
Update TACHO Universal Hand-Held Device (21)
Install the up cover and then the 8 screws:
Update TACHO Universal Hand-Held Device (22) Update TACHO Universal Hand-Held Device (23)

4 Update methods:

Step 1. Remove the CPU BOARD from TACHOPRO i.e. the principal machine
Update methods (1) Update methods (2)
Step 2. Find the location of IC111& IC112 and replace the previous IC on CPU BOARD with the IC111&IC112 of Update Kit. Make sure the IC is properly located with correct direction
Update methods (3)
Step 3. Find AT24C02 on CPU BOARD. Remove the previous IC by using electric iron and then place AT24C02 on the corresponding location to guarantee the direction of IC. See picture 3A, 3B
Update methods (4) Update methods (5)
Note: pay attention to CPU BOARD in picture 3A. First of all, the IC socket should be taken out from AT24C02 and then weld AT20C02 to the specified position in picture 3B.

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