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HQ DS160 Maintenance Manual Download Page 14

 

DS160 Mobile Phone Maintenance Manual V 0.1 

①

 speaker and speaker components  

②

camera and camera LDO  

③

T-flash 

connector  

④

SIM card connector  

⑤

 RF  components and RF connector 

⑥

 BT 

components 

⑦

  FM radio IC (RDA5802E) 

⑧

I/O connector and battery connector   

⑨

 

charge PMOS  IC 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

    Shanghai Huaqin Telecom Technology Co.

，

Ltd    (OPEN DOC)                Page 14 of 29 

 

Summary of Contents for DS160

Page 1: ...aphics images methodologies and ideas is property of Shanghai Huaqin Telecom Technology Co Ltd No individual or organization has any right to disclose copy replicate photocopy or transfer any information in this document without written authorization by Shanghai Huaqin Telecom Technology Co Ltd Shanghai Huaqin Telecom Technology Co Ltd OPEN DOC Page 1 of 29 ...

Page 2: ...ance Manual V 0 1 Revision record Date Revision Version Revision Reason Revision Chapter Revision Description Author 2009 11 13 V 1 0 First draft complete Yali Liu Shanghai Huaqin Telecom Technology Co Ltd OPEN DOC Page 2 of 29 ...

Page 3: ...gtone Fault 16 4 3 LCD display fault 17 4 4 Failure to Charge 18 4 5 Camera fault 19 4 6 Failure to identify SIM card 20 4 7 Main Microphone fault 21 4 8 Receiver fault 22 4 9 Keypad fault 23 4 10 FM fault 24 4 11 Bluetooth fault 25 4 12 No RF Signal 26 4 13 Failure to read T flash card 27 4 14 Earphone Fault 28 4 15 Electric torch Fault 29 Shanghai Huaqin Telecom Technology Co Ltd OPEN DOC Page 3...

Page 4: ...t repaired unless approved by the company when necessary 2 The second level can make use of some special tools to solve the trouble And it s difficult to think out problems only by empirical as the first level Special tools such as hot air gun electric iron oscilloscope and test set need to be used when necessary Any component can be used so as to help to solve the problem 3 The third level mainte...

Page 5: ... Radio Frequency 1800MHz Frequency range Transmission 1710 1785 MHz Receiving 1805 1880 MHz Bandwidth per channel 200 kHz Total number of channels 374 channelsx 8 TDMA Carrier modulation GMSK Guassian Minimum Shift Keying5 Duplex bandwidth 95 MHz Frequency stability 0 1 ppm Output power 30 2 dBm 0 5 dBm Receiving sensitivity 105 dBm Operating temperature range 10 to 55 GPRS functionality GPRS CLAS...

Page 6: ...e Maintenance Manual V 0 1 Talk time Around 90 160min 1200 mAh lithium battery Standby time 300 400h 1200 mAh lithium battery Depend on network conditions Shanghai Huaqin Telecom Technology Co Ltd OPEN DOC Page 6 of 29 ...

Page 7: ...w with pins or other forceps Be careful of the shell please Push the back cover according to the direction by the arrowhead Pull the touch pen please do it along the parallel 2 Remove the screws Remove another 2 screws with the screwdriver 3 Remove the A cover Recur to the hard plastic card tear open the A cover such as below Shanghai Huaqin Telecom Technology Co Ltd OPEN DOC Page 7 of 29 ...

Page 8: ...ease take out the SIM card before you want to remove the main board 5 Remove the receiver and the main keys a Prize the receiver with the forceps softly b Push the face of the main key Please keep our eyes open the six red points keep there right position Shanghai Huaqin Telecom Technology Co Ltd OPEN DOC Page 8 of 29 ...

Page 9: ...ual V 0 1 6 Remove the LCD Turn on the LCD as the arrowhead showed and remove it with the iron LCD PAD 7 Remove MIC After LCD removed please dismantle the MIC with the iron Shanghai Huaqin Telecom Technology Co Ltd OPEN DOC Page 9 of 29 ...

Page 10: ...wn the bracket RF screw 9 Remove the FM bracket SPK and DC Jack First remove the FM FPC PAD and the SPK pad with the iron Then loose the Camera and take down the FM bracket Last take out the DC Jack and the SPK SPK DC Jack SPK PAD FM FPC PAD Shanghai Huaqin Telecom Technology Co Ltd OPEN DOC Page 10 of 29 ...

Page 11: ...0 1 10 Remove the Camera Remove the camera FPC with the iron as below Camera Pad 11 Remove the electric torch LED Remove the electric torch LED with the iron Electric torch Pad Shanghai Huaqin Telecom Technology Co Ltd OPEN DOC Page 11 of 29 ...

Page 12: ...e Maintenance Manual V 0 1 12 Remove the Dome Remove the Dome as below 2 2 Assemble procedure The assemble procedure is in opposition to the disassembling Shanghai Huaqin Telecom Technology Co Ltd OPEN DOC Page 12 of 29 ...

Page 13: ...This part demonstrates the main functional module of ZL99A phone MainBoard Figure 3 1 Mainboard topside Description LCM key LED key PAD receiver MIC solder Figure 3 2 Mainboard bottom side Description Shanghai Huaqin Telecom Technology Co Ltd OPEN DOC Page 13 of 29 ...

Page 14: ...peaker components camera and camera LDO T flash connector SIM card connector RF components and RF connector BT components FM radio IC RDA5802E I O connector and battery connector charge PMOS IC Shanghai Huaqin Telecom Technology Co Ltd OPEN DOC Page 14 of 29 ...

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