SA-PT22GC, SA-PT22GW - Panasonic Audio Service Manual (repair manual). Page 21

21

FL Display

Key Operation

Front Key

Item

Description

Mode Name

Initialization

Micro-processor

firmware version

display & 

EEPROM

checksum

display.

DVD

Module P.C.B.

Reset

Initialization.
User settings are cancelled and player 
is initialized to factory setting.
It is necessary when after replacement
of Micro-processor (DV5 LSI) IC, 
FLASH ROM IC (IC8651), EEPROM 
IC (IC8611) & DVD Module P.C.B.

Micro-processor firmware version
display & EEPROM checksum display. 
EEPROM checksum is only available
due to existence of EEPROM IC.

Note: Condition 1/2/3 shows the state 
of EEPROM IC.

FL Display sequence:
Display 1    2     3.

To reset DVD Module P.C.B.
This process is used when the DVD
Module P.C.B. or FLASH ROM
IC is replaced with a new one.

In STOP (no disc) 
mode, press [STOP] 
button on the main unit, 
and [   10] button on the 
remote control unit.

Cancelled automatically 
5 seconds later.

In STOP (no disc) 
mode, press [STOP] 
button on the main unit, 
and [7] button on the 
remote control unit.

Press [FL Display] button on 
remote control unit for next
page. (FL Display)

While in initialization 
mode, press & hold 
[STOP] button on the main 
unit for 3 seconds, follow 
by [OK] button on the 
remote control unit.

(Display 2)

If the version of the EEPROM does not match,
[NG] is displayed.

(Condition 1)

(a) If there is NO EEPROM header string
OR
(b) If there is no EEPROM (no data is received
by Micro-processor), [NO] is displayed.

(Condition 2)

Opecon
Version

EEPROM
Checksum
(If applicable, 
refer below.)

(Display 3)

(Display 1)

(Condition 3)

If the EEPROM version matches, checksum
[YYYY] is displayed.