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For Authorised Service Agents Only
Ref No: 0109200SHR

Date: 07/10/2009
TECHNICAL INFORMATION Created by
Panasonic UK - Service Group

Document Category: Knowledge Base

Subject: Service hints

Model(s) Affected: SC-DV150EB SC-DV170EB SC-HT80EB SL-DV150EB SL-DV170EB
SA-HT80EB
Problem / Issue DVD repair hints

Solution: See Repair Procedure on attached "Multimedia". For recent models, ie DVDRA71,
DVDRA61, DVDRV41, DVDRV31, DVDLV60, DVDPV40, SAHT70 and SLHDV600 etc
please refer to the Service Manuals as self-diagnostics have now evolved! NB For
these more recent models, it is advisable to use the latest Recovery Disc. Search
under Recovery Disc for latest part numbers and listing of appropriate models.

DVD Repair Procedure
Please use the following procedures to simplify DVD repairs for UK designated units.

1) Check the region display-see below for procedure-the units display should flash up "2 P6" at the beginning of the
display. DVD-L10 shows the information in a different order: "P6 2". The "2" indicates the region (2 for UK) while the "P6"
indicates a PAL60 output with an NTSC disc. On models where the TV system output can be selected, DVD-A160 &
DVD-A360, when NTSC is selected, the display will show "2 Pn" which indicates raw PAL or NTSC will be output
depending on the disc.
As Panasonic cannot condone the alteration of players to enable playback of discs designated for other regions
only, we can only advise returning these players to the customers while informing them that their manufacturer's
warranty has been invalidated.

2) Re-initialise the unit as described below. NB Do not attempt this if the unit has been modified as the change
in system control information may result in the unit not playing back any discs!

3) Check the jitter rate as described below. The display will show "Jit" and three figures. The figures equate to
a percentage which can be calculated by dividing by 10, the lower the better. Eg "Jit 082" indicates a jitter rate of 8.2%.
This will remain displayed throughout the disc. To return to normal operation, power off then back on again.

For second generation machines, DVD-A150, DVD-A350, DVD-L10, on known good discs (eg test disc), expect a jitter rate
of between about 7 & 9% at the beginning of the disc. Please note that some discs may actually show a higher rate than this
at certain points in the discs, but tracking problems do not normally occur until jitter reaches 12%.

For third generation machines, DVD-A160/360, DVD-L50, DVD-LV75, DVD-PV55, DVD-RV20/40/60, SA-HT80,
SL-DV150, SL-DV170 on known good discs (eg test disc), expect a jitter rate of between about 10 & 12% at the
beginning of the disc. Please note that some discs may actually show a higher rate than this at certain points in the
discs, but tracking problems do not normally occur until jitter reaches 15%. In addition check laser drive current on these
models as per service manual.
Service Manual Corrections: For SA-HT80 simultaneously press "Tune Mode (Stop)" and remote "Pause" to save
laser power value. For DVD-L50, as there is no remote button marked "initial settings" p8 svc mnl, simultaneously press
"Pause" and "Play" on the unit together with remote "Set Up" to access laser driving current.

If jitter is too high, try adjusting the tilt of the disc motor while monitoring the display and see if this rate can be lowered. If it
can't, it is most likely that the OPU will need to be replaced after which confirmation of the jitter rate is advisable in case the tilt
adjustment is necessary.
Confidential Page 1 0109200SHRREV1
Region Display (Not available on DVD-A100): power on, then for
DVD-A150/160/350/360, DVD-RV20/40/60 simultaneously press "Pause", "Open", and remote "6"
DVD-L10 simultaneously press "Pause", "Fwd Skip", and remote "6"
DVD-L50, DVD-LV75, DVD-PV55 simultaneously press "Pause", "Play", and remote "6"
SA-HT80 simultaneously press "Tune Mode (Stop)" and remote "6"
SL-DV150, SL-DV170 simultaneously press "Stop" and remote "6"

Initialisation: power on, then for
DVD-A100/150/350, DVD-L10 simultaneously press "Pause", "Back Skip", and "Power"
DVD-A160/360, DVD-RV20/40/60 simultaneously press "Pause", "Back Skip", and "Open"
DVD-L50, DVD-LV75, DVD-PV55 simultaneously press "Pause", "Back Skip", and "Play"
SA-HT80 simultaneously press "Tune Mode (Stop)" and remote ">10"
until the word "Initialised" appears on the display.
SL-DV150, SL-DV170 simultaneously press "Stop" and remote ">10/-/--"
until the word "Initialised" appears on the display.

Jitter Display (Not available on DVD-A100): Power on, start playing a disc, then for
DVD-A150/160/350/360, DVD-RV20/40/60 simultaneously press "Pause", "Open", and remote "5"
DVD-L10 pause the disc (to avoid locking unit up), simultaneously press "Pause", "Fwd Skip", and remote "5"
DVD-L50, DVD-LV75, DVD-PV55 pause the disc (to avoid locking unit up), then simultaneously press "Pause", "Play", and
remote "5"
SA-HT80 simultaneously press "Tune Mode (Stop)" and remote "5"
SL-DV150, SLDV170 simultaneously press "Stop" and remote "5"

NB Treat evidence of soldering around the EEPROM as a good indication that regional
modification has been attempted.

Confidential Page 2 0109200SHRREV1