SHARP XEA212
Manual de Servicio

CHAPTER 6. IPL FROM EP-ROM
Before working on the installation, unplug the AC cord from the AC outlet. 1. Open the top cabinet. 2. Set the IPL switch (S1) to VCC position.

CHAPTER 7. CAUTION TO BE USED WHEN CONNECTING THE RS-232 CABLE
When connecting the RS-232 cable to the XE-A212, be sure to observe the following condiiton: Secure the attached core (RCORF6699BHZZ) to the RS-232 cable in the area within 20mm from the connector. [This is a necessary procedure to support the EMI (Electronics Magnetic Interface).]

IPL switch

S1

GND

IPL ROM 1pin

VCC ROM COPY

3. Install the IPL ROM to the IC socket of the MAIN PWB. 4. Turn the mode key switch to PGM position, and insert AC plug in AC outlet. 5. The IPL procedure is started. When the procedure is completed, the message of �Completed.� Is shown.

RS232 CONNECTOR

Within 20mm Secure the core (RCORF6699BHZZ) to the cable in the area within 20 mm from the connector with a lock band.

P ROM COPY Completed.
6. Unplug the AC cord from the AC outlet. 7. Remove the IPL ROM to the IC socket of the MAIN PWB. 8. Set the IPL switch (S1) to GND position.
S1 GND

VCC ROM COPY

9. Replace the top cabinet. 10. Perform a master reset, insert AC cord in AC outlet.

MRS.

XE-A212V

IPL FROM EP-ROM

� 16 �