DOWNLOAD Panasonic SA-PT22GC / SA-PT22GW Service Manual ↓ Size: 6.62 MB | Pages: 122 in PDF or view online for FREE

Model
SA-PT22GC SA-PT22GW
Pages
122
Size
6.62 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / DVD HOME THEATER SOUND SYSTEM
File
sa-pt22gc-sa-pt22gw.pdf
Date

Panasonic SA-PT22GC / SA-PT22GW Service Manual ▷ View online

29
6.6.
Firmware Version-Up Information
6.6.1.
Process Flow (1/3)
Collect ROM 
Files
(Copy files into
CD-R/RW)
Load disc into
unit
(To update rate) 
Load the disc into the set 
(To be updated).
There are 2 files:
A) Syscon ROM file type:
DVD_S42B.ROM (Sample)
DVD_S42D.ROM (Sample)
(supports chinese fonts OSD
display)
B) Opecon ROM file type:
DVD_P05.ROM (Single tray)
Press [OK] in remote controller
to start updating proccess after 
the following signal appear:
During updating of software,
the following signal appear:
All panel keys and 
remote controller keys,
including [POWER] key,
are invalid during CD
Update.
Caution: Make sure the 
powersupply during CD 
update. If the power supply 
cable is unplugged during 
update stage, CD update 
will fail. The DVD model 
can’t work, and can’t be 
recovered by CD update 
again.
User can put both files 
into the same root 
directory. DVD MODEL 
will choose the right 
ROM files to update 
its firmware.
Display 1:
FL Display 1.1: 
FL Display 1.2: 
FL Display 1.1: "PLAY" .
FL Display 1.2: "UPDATE" .
GUI Display 1.1: 
PLAYER NEED UPDATE.
YOU WANT TO UPDATE?
PUSH OK KEY
TO STAY UPGRADE.
PUSH OPEN/CLOSE KEY
TO CANCEL UPGRADE.
GUI Display 1.2: 
UPDATING
GUI Display 1.1:
GUI Display 1.2:
GUI Display 1.3.1:
FL/ GUI Display
Remarks
Item
Description
Process
1
2
(For Opecon):
GUI Display 1.3.1: 
UPDATING READING FROM
DISC
(For Syscon):
30
6.6.2.
Process Flow (2/3)
FL/ GUI Display
Remarks
Item
Description
Process
Check ROM
version type
Update not Necessary
If the ROM files has the same 
(latest) version or an older 
version than the product:
Update stop 
(product has the latest
 firmware)
FL Display 3: "NO NEED" .
GUI Display 3: 
THIS PLAYER DOES NOT 
REQUIRE THE UPDATE
GUI Display 3:
FL Display 3: 
2-2
Check Correct
ROM file type
ROM files doesn’t fit to the 
product type.
If the ROM files doesn’t fit for 
the product type, then CD 
update "STOP" and display 
as below:
Update stop 
(Wrong ROM Type)
FL Display 2: 
FL Display 2: "NO PLAY" .
GUI Display 2 : 
THIS TYPE OF DISC CANNOT
BE PLAYER. PLEASE INSERT
A DIFFERENT DISC.
GUI Display 2:
GUI Display 1.3.2:
2-1
GUI Display 1.3.2: 
UPDATING WRITING TO
FLASHROM
31
6.6.3.
Process Flow (3/3)
Update software
(Opecon)
1. Update Failed
2. Update Completed
If Opecon software update fail:
If Opecon software update 
completes successfully:
Update stop.
The theater set can’t work, 
and can’t be recovered by 
CD update again.
The theater set wll reboot
automatically.
FL Display 3: "FAIL" .
GUI Display 3: "UPDATE FAIL"
FL Display 3: "GOOD" .
Open the tray and take out
the CD, the update procedure
has been finished successfully.
Power off, then remove
AC Cord.
GUI Display 3: 
COMPLETED
PLEASE EJECT THE DISC
GUI Display 4:
FL Display 4: 
GUI Display 5:
FL Display 5: 
3
FL/ GUI Display
Remarks
Item
Description
Process
32
7 Troubleshooting Guide
7.1.
Troubleshooting Guide for F61 and/or F76
This section illustrates the checking procedures when upon detecting the error of “F61” and/or “F76” after power up of the unit. It is
for purpose of troubleshooting and checking in SMPS, D-Amp & Main P.C.B. 
7.1.1.
Block Diagram
SP-PROTECT
SUBWOOFER (+ & -)
Digital
Amplifier
IC403 (CENTER & SUBW)
IC405 (FRONT)
IC404 (SURROUND)
CENTER (+ & -)
FRONT FL+/FL-
FRONT FR+/FR-
SURROUND (SL+/SL-)
SURROUND (SR+/SR-)
VDD
SYS6V
MAIN/D- AMP P.C.B.
MAIN/D- AMP P.C.B.
SMPS  P.C.B.
MICRO-P
IC200
DCDET
PCONT
 1
DCDET
SYS6V
DCDET 2
MAIN/D- AMP P.C.B.
DCDET 1
A+12V Detect
SD
OTW
M+9V Detect
SD    : Shut-down (Active Low)
OTW : Over-Temperature (Active Low)
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