文档介绍：XR-1800/1803/1804
5-4. SCHEMATIC DIAGRAM – MAIN Section (1/2) – • See page 16 for Waveform.
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XR-1800/1803/1804
5-5. SCHEMATIC DIAGRAM – MAIN Section (2/2) – • See page 27 for IC Block Diagram.
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5-6. PRINTED WIRING BOARD – PANEL Section –
• Semiconductor
Location