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SANYO Factory Code N7SE
Service Reference NO. 609
DP19649
SERVICE MANUAL
18.5" HDTV LCD
ORIGINAL
MFR'S VERSION C
Design and specifications are subject to change without notice.
SERVICING NOTICES ON CHECKING
1. KEEP THE NOTICES 6. PERFORM A SAFETY CHECK AFTER
As for the places which need special attentions,
SERVICING
they are indicated with the labels or seals on the Confirm that the screws, parts and wiring which
cabinet, chassis and parts. Make sure to keep the were removed in order to service are put in the
indications and notices in the operation manual. original positions, or whether there are the
portions which are deteriorated around the
2. AVOID AN ELECTRIC SHOCK serviced places serviced or not. Check the
There is a high voltage part inside. Avoid an insulation between the antenna terminal or
electric shock while the electric current is external metal and the AC cord plug blades.
flowing. And be sure the safety of that.
3. USE THE DESIGNATED PARTS (INSULATION CHECK PROCEDURE)
The parts in this equipment have the specific 1. Unplug the plug from the AC outlet.
characters of incombustibility and withstand 2. Remove the antenna terminal on TV and turn
voltage for safety. Therefore, the part which is on the TV.
replaced should be used the part which has 3. Insulation resistance between the cord plug
the same character. terminals and the eternal exposure metal
Especially as to the important parts for safety [Note 2] should be more than 1M ohm by
which is indicated in the circuit diagram or the using the 500V insulation resistance meter
table of parts as a mark, the designated [Note 1].
parts must be used. 4. If the insulation resistance is less than 1M
ohm, the inspection repair should be
4. BE CAREFUL WITH THE required.
LCD PANEL [Note 1]
Avoid a shock to the panel while servicing. If you have not the 500V insulation
Take enough care to deal with it. resistance meter, use a Tester.
5. PUT PARTS AND WIRES IN THE [Note 2]
ORIGINAL POSITION AFTER External exposure metal: Antenna terminal
ASSEMBLING OR WIRING Headphone jack
There are parts which use the insulation
material such as a tube or tape for safety, or
which are assembled in the condition that
these do not contact with the printed board.
The inside wiring is designed not to get closer
to the pyrogenic parts and high voltage parts.
Therefore, put these parts in the original
positions.
HOW TO ORDER PARTS
Please include the following informations when you order parts. (Particularly the VERSION LETTER.)
1. MODEL NUMBER and VERSION LETTER
The MODEL NUMBER can be found on the back of each product and the VERSION LETTER can be
found at the end of the SERIAL NUMBER.
2. PART NO. and DESCRIPTION
You can find it in your SERVICE MANUAL.
IMPORTANT
When you exchange IC and Transistor with a heat sink, apply silicon grease (YG6260M) on the contact
section of the heat sink. Before applying new silicon grease, remove all the old silicon grease.
(Old grease may cause damage to the IC and Transistor).
A1-1
ABOUT LEAD FREE SOLDER (PbF)
Distinction of PbF PCB:
PCBs (manufactured) using lead free solder will have a PbF printing on the PCB.
(Please refer to figures.)
Caution: