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DP50747-01
Panel: Self Test
Panel is capable of generating internal patterns without the Main
Signal Board attached. (rotating: white / red / green / blue / and
various other patterns)
This test eliminates Main Signal Board from circuit and confirms if
panel itself is operating properly.
1) Unplug these connectors from SMPS and Logic Board.
CN800 (SMPS)
CN802 (SMPS)
CN803 (SMPS)
P1 (LOGIC BD., LVDS Cable must be unplugged)
2) Short pins 1-2 together on Logic Bd. at P7.
3) Apply AC power: If the panel and its PCBs are working, it will
energize. Just as soon as pins 1 & 2 (P7) are shorted, the panel
will have several rotating patterns on the screen.
note 1 :
Power cord can still be attached to AC Filter, or power can be
applied directly to SMPS.
(recommend that AC Filter be used for ease of connection, but
can be bypassed if needed)
note 2:
no audio is available with panel self test
Notice AS
CORRECTION PRODUCTION CHANGE
SERVICE FLASH ADD INFORMATION FILE NO.
Please add this notice to the Service Manual listed below. REVISION 1
Category : COLOR TELEVISION Date: APRIL / 15 / 2007
Model: DP50747 Effective from : Chassis No. P50747-01
Destination: U.S.A. / CANADA REF : No. SM780141
NOTE: Match the Chassis No. on the unit's back cover with the Chassis No. in the Service Manual. If
the Service Manual Chassis No. does not match the unit's, additional Service Literature is
required. This chassis is similar to Chassis No. P50747-00, however, all Service
Information is given in this Notice for Chassis No. P50747-01 used in Model DP50747.
Servicing should be performed by only trained and qualified service personnel.
Contents Specifications
Safety Instructions . . . . . . . . . . . . . . . . . . 2 Power Rating . . . . . . . . . . . . . . . . . . . . . . . . 120VAC
Service Adjustments . . . . . . . . . . . . . 3