LG LST-4200A Service Manual - Page 14

DIAGNOSTIC S/W Application

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DIAGNOSTIC S/W Application H/W Diagnostics - It inspects hardware of ATSC Board on the level of device driver in order to secure quality on the condition of base material. 1) To enter into the Hardware Diagnostic Method After connecting serial cable through service ports of PC and LST-3100A, press "t(a small letter)" of keyboard and at the same time turn on power of LST-3100. The initial screen of hardware diagnostic comes out on the TeraTerm Terminal when entering into it successfully, as shown in the Figure 1. [Figure 1] 3-5

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3-5
DIAGNOSTIC S/W Application
H/W Diagnostics
- It inspects hardware of ATSC Board on the level of device driver in order to secure quality on the condition of
base material.
1) To enter into the Hardware Diagnostic Method
After connecting serial cable through service ports of PC and LST-3100A, press
“
t(a small letter)
”
of key-
board and at the same time turn on power of LST-3100.The initial screen of hardware diagnostic comes out
on the TeraTerm Terminal when entering into it successfully, as shown in the Figure 1.
[Figure 1]