The TC-645 uses a dual-capstan drive system. Over time, the original rubber belts turn into sticky black tar. Without the manual’s disassembly diagrams, you will never reach the motor assembly without breaking plastic brackets. The service manual provides the , showing exactly which screws to remove and which springs will fly across the room.

If you are searching for this document, you are likely either troubleshooting a malfunction, performing a calibration, or rebuilding the deck from scratch. This article is your complete guide to finding, using, and understanding the Sony TC-645 service manual.

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