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| + | [title] Orientation |
|---|---|
| + | [* black] This Sony receiver has a large number of circuit boards. The service manual has a diagram showing their identities and locations. |
| + | [* black] Because the unit won't power on, we're going to focus on the PS (Power Supply) board and the AC board. |
| + | [* black] Another thing to identify as a potential problem is the power switch, which has its own small circuit board behind the front panel of the receiver. |
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