06 January 2014

Modification USB handphone earpiece to stereo earpiece

Brand: Nokia & Samsung




Logitech R-5 speaker

Replacement of 3.5mm stereo jack.







Logitech R-5 speaker

Specification
Total RMS power: 2W RMS (1W+1W)
Total peak power: 4watts
Frequency response: 150Hz-20kHz
Signal to notice ratio: >70dB
Speaker dimension: (HWD) 163mm x 70mm x 82mm

16 December 2013

Replacement Heatsink Fan for Dell Latitude E6400






Repair Sonic Gear G700


1. This speakers was brought in 1998 together with Datamini PC. Repaint the speakers with white colour.







2. The  female 3.5mm audio jack connector spoilt. Distortion on right speaker, Left speaker no sound.


 
3. Replacement of 3 piece female 3.5mm audio jack connector, 2 on the right side, 1 on the left side.




4. After replacement, the speaker are in good working condition. No more distortion or no sound on both speaker. 

31 October 2013

Before and After repair Acer K2-B 2.0 Speaker

Before:
On off sound left side and right side , distortion, no sound.








After:
After rewiring and soldering back all respective wire to circuit board, speaker in good working condition.





Acer K2-B 2.0 Speaker
Specifications:

Speaker unit X 2
- 300mV for full output
- Volume Control, Power on/off
- Power DC-5V
  

25 September 2013

Newman 纽曼K2 (1GB VS 2GB)







纽曼K2
CPU
MT6589T  1.5Ghz 四核
GPU
PowerVR SGX544MP 357MHz
RAM
1GB vs 2GB
ROM
32GB
屏幕尺寸
5.5英寸  IPS (PPI 401 超视网膜级别)
屏幕工艺
2.5D 弧面设计,带三星S4 韩国拉丝膜盖板设计
分辨率
1920x1080  FHD
触摸屏
多点触控电容屏
摄像头
前500万像素+后1300万像素F/2.2背照式二代
闪光灯、自动对焦
电池容量
3000mAh
操作系统
Android  4.2
传感器
陀螺仪距离光线重力磁力感应器
附加设备
WIFI Direct蓝牙4.0FMGPS
内存扩展
最大64G
网络
双卡双待
其他
拉丝工艺;超窄边框
机身尺寸



153*78*9.8(mm)

12 September 2013

China Wireless Mouse





2.4Ghz Wireless Mouse 

Descriptions:

1600 DPI Precision Optical Tracking
Nano Receiver- Plug and Play
Working on any surface except glass & mirror
Hyper Fast Scrolling W/ Red Light
Works from 25ft/10 m Distance, High Accuracy
After pushing CPI button, the mouse is 400/800/1600 DPI
Plug and Play for all Windows operating systems and MAC OS 8.6 or higher

Contents:

Wireless 2.4 Ghz Mouse, Nano Receiver
Color: Black
2 @ AAA Battery

Requirements:

Windows XP, Vista, 7, 8, MAC OS 8.60 or higher

Remark:

Brought from ebay cheap and good, dpi button to raise or lower sensitivity quickly, comfortable shape for the hand, battery saving feature built into the mouse, mouse wheel handle with comfort. 9/10 for this wireless mouse……..