WU562010A
Product: LCD TV Date: 5/6/2010
Models: 19C100U, 22C100U, 26C100U, 32C100U, 32E200U, 37E200U, 40E200U, 32G300U, 40G300U, 46G300U and 55G300U
Product Safety Precautions:
Product Safety Precautions are described in the Toshiba service manual(s) for models covered in this bulletin. All safety precautions and checks shall be complied with before returning the equipment to the customer. Servicers who defeat safety features or fail to perform safety checks may be liable for any resulting damages and may expose themselves and others to possible injury.
Application: The information contained in this bulletin applies only if you encounter the symptom(s) listed below.
Symptom: Dead set (No LED indication)
Cause: Shorted 3.3v supply on the Main PCB assembly.
Solution: Inspect the physical position of the “Grounding Spacer Blocks” located on the rear of the Main PCB. Figure 1 shows an example of an incorrectly positioned Spacer Block. Figure 2 provides an example of how a Spacer Block should be positioned on the grounding footprint of the PCB Assembly. (Grounding Spacer Block quantities and physical locations may vary by model version)
