Sharp LC-22DV200E Service Manual ▷ View online
SERVICE MANUAL
S40OOLC22DV20
MODEL
In the interests of user-safety (Required by safety regulations in some countries) the set should be restored
to its original condition and only parts identical to those specified should be used.
to its original condition and only parts identical to those specified should be used.
LC-22DV200E(K)
TELEVISION AND DVD/CD PLAYER
COMBINATION LIQUID CRYSTAL
Page
•
IMPOTANT WARNING.………………………………………………………………………………………… A1-1
•
SERVICING NOTICES ON CHECKING.………………………………………………………………………A1-2
•
HOW TO ORDER PARTS……………………………………………………………………………………… A1-2
•
IMPORTANT………………………………………………………………………………………………………A1-2
•
WHEN REPLACING DVD DECK.………………………………………………………………………………A1-3
•
PREPARATION OF SERVICING……………………………………………………………………………… A1-3
•
DISC REMOVAL METHOD AT NO POWER SUPPLY.………………………………………………………A1-4
•
ABOUT LEAD FREE SOLDER (PbF).……………………………………………………………..……………
A1-5
•
HOTEL MODE FUNCTION………………………………………………………………………………………A1-6
•
GENERAL SPECIFICATIONS.………………………………………………………………………………… A2-1~A2-7
•
DISASSEMBLY INSTRUCTIONS ………………………………………………………………….……………
B1-1~B3-2
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SERVICE MODE LIST.……………………………………………………………………………………………
C-1
•
SERVICING FIXTURES AND TOOLS……………………………………………………………..……………
C-2
•
RE-WRITE FOR DVD FIRMWARE………………………………………………………………..……………C-2
•
PARTS LOCATION GUIDE (WIRING CONNECTION)………………………………………………………D-1
•
TROUBLESHOOTING GUIDE………………………………………………………………………………… E-1~E-9
•
BLOCK DIAGRAM…………………………………………………………………………………..……………F-1~F-12
•
PRINTED CIRCUIT BOARDS……………………………………………………………………….………… G-1~G-9
•
SCHEMATIC DIAGRAMS…………………………………………………………………………..……………H-1~H-36
•
WAVEFORMS……………………………………………………………………………………….……………I-1~I-3
•
MECHANICAL EXPLODED VIEWS……………………………………………………………………… ……J1-1~J1-3
•
DVD DECK EXPLODED VIEWS…………………………………………………………………..……..…… J2-1
•
REPLACEMENT PARTS LIST……………………………………………………………………..……..…… K1-1~K3-8
Parts marked with " ! " are important for maintaining the safety of the set. Be sure to replace these parts with
specified ones for maintaining the safety and performance of the set.
specified ones for maintaining the safety and performance of the set.
SHARP CORPORATION
CONTENTS
SHARP CORPORATION
CAUTION:
DVD PLAYER IS A CLASS 1 LASER PRODUCT. HOWEVER THIS PLAYER USES A VISIBLE LASER
BEAM WHICH COULD CAUSE HAZARDOUS RADIATION EXPOSURE IF DIRECTED. BE SURE TO
OPERATE THE PLAYER CORRECTLY AS INSTRUCTED.
BEAM WHICH COULD CAUSE HAZARDOUS RADIATION EXPOSURE IF DIRECTED. BE SURE TO
OPERATE THE PLAYER CORRECTLY AS INSTRUCTED.
THE FOLLOWING CAUTION LABEL IS LOCATED ON THE REAR PANEL OF THE PLAYER.
IMPOTANT WARNING
WHEN THIS PLAYER IS PLUGGED TO THE WALL OUTLET, DO NOT PLACE YOUR EYES CLOSE
TO THE OPENING OF THE DISC TRAY AND OTHER OPENINGS TO LOOK INTO THE INSIDE OF
THIS PLAYER.
TO THE OPENING OF THE DISC TRAY AND OTHER OPENINGS TO LOOK INTO THE INSIDE OF
THIS PLAYER.
USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN
THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.
THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.
DO NOT OPEN COVERS AND DO NOT REPAIR YOURSELF. REFER SERVICING TO QUALIFIED
PERSONNEL.
PERSONNEL.
(Printed on the Rear Panel)
A1-1
1. KEEP THE NOTICES
6. PERFORM A SAFETY CHECK AFTER
SERVICING
As for the places which need special attentions,
they are indicated with the labels or seals on the
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
portions which are deteriorated around the
2. AVOID AN ELECTRIC SHOCK
serviced places serviced or not. Check the
insulation between the antenna terminal or
insulation between the antenna terminal or
There is a high voltage part inside. Avoid an
external metal and the AC cord plug blades.
electric shock while the electric current is
And be sure the safety of that.
flowing.
(INSULATION CHECK PROCEDURE)
3. USE THE DESIGNATED PARTS
1. Unplug the plug from the AC outlet.
The parts in this equipment have the specific
2. Remove the antenna terminal on TV and turn
characters of incombustibility and withstand
on the TV.
voltage for safety. Therefore, the part which is
3. Insulation resistance between the cord plug
replaced should be used the part which has
terminals and the eternal exposure metal
the same character.
[Note 2] should be more than 1M ohm by
Especially as to the important parts for safety
using the 500V insulation resistance meter
which is indicated in the circuit diagram or the
[Note 1].
table of parts as a ! mark, the designated
4. If the insulation resistance is less than 1M
parts must be used.
ohm, the inspection repair should be
required.
required.
4. BE CAREFUL WITH THE
SERVICING NOTICES ON CHECKING
4. BE CAREFUL WITH THE
LCD PANEL
[Note 1]
If you have not the 500V insulation
Avoid a shock to the panel while servicing.
resistance meter, use a Tester.
Take enough care to deal with it.
[Note 2]
5. PUT PARTS AND WIRES IN THE
External exposure metal: Antenna terminal
ORIGINAL POSITION AFTER
Headphone jack
ASSEMBLING OR WIRING
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.
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.
Please include the following informations when you order parts. (Particularly the VERSION LETTER.)
1. MODEL NUMBER and 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.
found at the end of the SERIAL NUMBER.
2. PART NO. and DESCRIPTION
You can find it in your SERVICE MANUAL.
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).
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).
HOW TO ORDER PARTS
IMPORTANT
A1-2
[ When removing the DVD Deck ]
Before removing Pick Up PCB and DVD MT PCB connector, the short circuit the position shown in Fig. 1
using a soldering iron. If you remove the DVD Deck with no soldering, the Laser may be damaged.
using a soldering iron. If you remove the DVD Deck with no soldering, the Laser may be damaged.
[ When installing the DVD Deck ]
Remove all the soldering on the short circuit position after the connection of Pick Up PCB and DVD
MT PCB connector.
MT PCB connector.
NOTE
• Before your operation, please read “PREPARATION OF SERVICING”.
• Use the Lead Free solder.
• Manual soldering conditions
• Use the Lead Free solder.
• Manual soldering conditions
• Soldering temperature: 320 ± 20
o
C
• Soldering time: Within 3 seconds
• Soldering combination: Sn-3.0Ag-0.5Cu
• Soldering combination: Sn-3.0Ag-0.5Cu
• When Soldering/Removing of solder, use the draw in equipment over the Pick Up Unit to keep the
Flux smoke away from it.
WHEN REPLACING DVD DECK
Pick Up PCB
Fig. 1
The laser diode used for a pickup head may be destroyed with external static electricity.
Moreover, even if it is operating normally after repair, when static electricity discharge is received at the
time of repair, the life of the product may be shortened.
Please perform the following measure against static electricity, be careful of destruction of a laser diode
at the time of repair.
Moreover, even if it is operating normally after repair, when static electricity discharge is received at the
time of repair, the life of the product may be shortened.
Please perform the following measure against static electricity, be careful of destruction of a laser diode
at the time of repair.
• Place the unit on a workstation equipped to protect against static electricity, such as conductive mat.
• Soldering iron with ground wire or ceramic type is used.
• A worker needs to use a ground conductive wrist strap for body.
• Soldering iron with ground wire or ceramic type is used.
• A worker needs to use a ground conductive wrist strap for body.
PREPARATION OF SERVICING
Pick Up PCB
Short circuit using a
soldering iron.
soldering iron.
A1-3