Chapter 5 Troubleshooting
Rev.A5-10
Table 5-6. C206PSB Power Supply Board (Continued)
Symptom Condition Cause Checkpoint Solution
+5V line is
dead.
IC51 (L4962E) is
dead.
Check the oscillation(5
-pin) and switching (7-
pin) waveform of IC51.
(5-pin)
(7-pin)
Replace
IC51.
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