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Consumer Solutions & Support 
US Competency Center 
600 North US Highway 45 
Libertyville, Illinois    60048  

Website:  gs.mot.com 

FIELD SERVICE BULLETIN 

 

FSB Number: 

LVCCFSB2005-304  

Author: Leo 

Ramos 

Date: October 

6, 

2005 

Total No. of Pages:  2 
Subject: 

GSM V220- No/Intermittent Display

 

Model Affected: 

All GSM V220 

Level of Repair: 

2 

 
 

Problem 

Service is aware that some GSM V220 phone has intermittent or no display when 
power-up. The root cause is the flex cable assembly supplied by MFS, damage, bad 
solder on pin, and open solder joint. This is happened due to the following: 

1. Unbalance push strength applied on the connector. 
2.  Bad and or poor solder on connector pin. 
3.  Poor rework skill of the operator. 
4.  Shifting during machine placement. 

                                                                                                                                                                   

      

                             

  

       

 

Poor rework on connector solder  

 

                                         

 

Damage connector pin

 

                                                                                                                                        

    

            

          

 

Open solder joint on U400                                                                                                                                        

 

MOTOROLA INTERNAL USE ONLY 

 

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Consumer Solutions & Support 
US Competency Center 
600 North US Highway 45 
Libertyville, Illinois    60048  

Website:  gs.mot.com 

                                                        

Solution:                                                  

The supplier has improved there manufacturing process,

 

implemented the corrective 

action on 8/5/05 to the following station: 

 

 Production Line: 

1.  Study the reflow process 
2.  Fine tune placement machine if three components are misalign. 
3.  Train and recertified the operator. 
 

QA station  

1.  Check and inspect the soldering pad for any contamination. 
2.  Train the operator to use the correct method on how to apply balance stress on 

the connector. 

3.  Operator performs 100% inspection of the connector using 30X microscope. 

 

Service Action 

Customer Returns: 
When servicing any GSM V220 customer returns with a display complaint 
“no/intermittent display” then verify the complaint. 

1.  If the unit has a flex cable, assembly

 

problem check and or replace it with a good 

flex cable assembly.  

2.  If the unit has, a good flex cable assembly then proceeds with normal 

troubleshooting as per the customer complaint.  

 

Service Inventory: 
Before replacing any flex cable assembly manufactured before date code 8/5/05, make 
sure to inspect for damage, bad solder and open solder joint. 
 
Call Center Action: 
When responding to customer inquires on the GSM V220 product with customer 
complaints “No/Intermittent Display”, please direct the customer to have their phone 
serviced at an authorized Motorola Service Center. 

 

Service Entry Code 

Please ensure that repairs of this type are logged to the applicable database as follows: 
 
Global M-Claims Codes: 
      

 

Customer Complaint Codes:

 DIM00 Display - Main 

        

Problem Found Code:

 CON00 Connectors - No Detail Provided 

        

Repair Code:

 RMP10 Replace Mechanical part - CSB/FSB 

                             

RTW 02 Replace Level 2 part – CSB/FSB 

MOTOROLA INTERNAL USE ONLY 

 

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