Servicing Note - Sony MZ-E33 Service Manual

1. When repairing this device with the power on, if you remove the main board, this device stops working.
In this case, you work without the device stopping by fastening the hook of the DOOR OPEN/CLOSE switch (S801) with tape.
2. The electrical components differ according to the version of the system control IC (IC801). When replacing the IC801, check its model
name and add or remove D1001 and/or R1001 as shown below. For detailed information, see the Printed Wiring Board on page 18 and
the Schematic Diagram on page 21.
RU6815MF-0004 (Ver. 3.0) .... Add D1001 and R1001
RU6815MF-0005 (Ver. 3.2) and later .... Remove D1001 and R1001
SECTION 1

SERVICING NOTE

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S801