Philips Q548.1E Service Manual page 31

5.8.12 SSB Replacement
Follow the instructions in the flowchart in case a SSB has to be
exchanged. See Figure
Instruction note: SSB replacement Q528.x, Q522.x,
Set is going into protection after
replacing the SSB
(blinking LED, error 2).
Take care that speakers are connected!
In some sets, the speakers are in the rear
cover, and when the set is switched "on"
without speakers, it is possible that the Audio
protection is triggered.
Advise: remount rear cover before switching
"on" (see also SCC_71772).
Set is starting up but no display.
Update main software in this step, by using
"autorun.upg" file.
Program "Display Option" code via 062598
MENU/HOME, followed by 3 digits code (this
code can be found on a sticker inside the set).
After entering "Display Option" code, set is
going to Standby (= validation of code).
Restart the set.
Connect PC via ComPair interface to Service
connector.
Start TV in Jett mode (DVD i+/OSD)
Open ComPair browser Q52x.
Program "set type number", "serial number",
and "display 12NC".
Service Modes, Error Codes, and Fault Finding
5-11.
Create "repair" directory on USB stick and
connect USB stick to TV-set
Go to SAM mode (062596 i+) and
save the TV settings via "Upload to USB".
- Replace SSB board by a Service SSB.
- Make the SSB fit mechanically to the set.
Set is starting up & display is OK.
No
Go to SAM mode, and reload settings
via "Download from USB".
Check latest software on Service website.
Update Main and Standby software via USB.
Check and perform alignments in SAM
according to the Service Manual.
E.g. option codes, colour temperature...
Final check of all menus in CSM.
Special attention for HDMI Keys.
Figure 5-11 SSB replacement flowchart
START
Set is still
operating?
Start-up set.
Set behaviour?
Press 5 s. the "Volume minus" button on the local
(* in some chassis this button is named SOURCE)
Program "Display Option" code via 062598 MENU/
HOME, followed by 3 digits code (this code can be
Saved settings
After entering "Display Option" code, set is going
on USB stick?
Yes
If not already done;
END
Q548.1E LA
Q529.x, Q54x.x Q54x.x
No
Set is starting up in "Factory" mode.
Noisy picture with bands/lines is visible and the
red LED is continuous "on"
(sometimes also the letter "F" is visible).
cntrl until the red LED switches "off", and then
press 5 s. the MENU (*) button of the local cntrl.
The picture noise is replaced by blue mute!
Unplug the mainscord to verify the correct
disabling of the factory-mode.
found on a sticker inside the set).
to Standby (= validation of code).
Restart the set.
In case of settings reloaded from USB, the set type,
serial number, Display 12NC, are automatically stored
when entering display options.
- Check if correct "Display Option" code is
programmed.
- Verify "Option Codes" according sticker inside the set.
- Default settings for White drive ...see Service Manual
Q52xE SSB Board swap –
VDS/JA Updated 18-03-2009
(changes are indicated in red)
5. EN 31
v5.1
H_16771_007.eps
090318
2009-Apr-03