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Ericsson GH 688 - Page 57

Ericsson GH 688
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GH688,GA628, Standard Electrical Repairs
4/00021-2/FEA 209 544/1.G 57 (112)
Fig. 9.2
If the voltage is missing at H600 pad 1, measure VRPAD (~3.8V) at V706 pad 2
(class A, fig. 9.2).
* If the voltage at V706 pad 2 is missing, check if VRPAD is at C453 (fig.
9.3).
Fig. 9.3
* If VRPAD is incorrect or missing, proceed to chapter 3 (“Doesn´t start”-
fault).
* If the voltage at C453 is correct, check the resistance from C453 and
V706 pad 2 (~0 ohms).

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