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3.3.1.2. About Main P.C.B. (Ref. 1) & Flash-ROM (IC6003)
Important:
1. Before exchanging the “Main P.C.B.”, the performances must be carefully checked, by following the “7.Troubleshooting
Guide” section of this service manual.
2. Before replacing the “Main P.C.B. and/or Flash-ROM”, proceed the EEPROM data backup from the unit.
After replacing the Main P.C.B. and/or Flash-ROM, overwrite the EEPROM data with backup data from the unit first, then pro-
ceed the adjustment /inspection.Refer to the adjustment instruction in the adjustment software for details.
3. The full adjustment must be performed after replacing the “Main P.C.B. and/or Flash-ROM”, otherwise Picture quality can not
be met with specification.
3.3.1.3. About Venus Engine (IC6001) [Located on the Main P.C.B.]:
• The Venus Engine (IC6001) consists of two IC chips, which are fixed together with solder.
(The so called, “Package On Package” type IC.)
NOTE:
• During servicing, do not press down hard on the surface of IC6001.
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