GH688,GA628, Standard Electrical Repairs
4/00021-2/FEA 209 544/1.G 45 (112)
Fig. 7.4
Measure the resistance of R724 (class A, ~47 ohms, fig. 7.5).
Fig. 7.5
Give the circuit board power and start it up. Measure the input voltage at N705 pin 2
(~3.1V, fig. 7.4).
• If the voltage is too low or missing, check the VDIG voltage (~3.2V) at N702 pin
5 or at C600 (fig. 7.6).
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