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User Manual (English Version)
Portable Bench Top True RMS digital meter
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Disassembly & Reassembly
12. Disassembly & Reassembly
12-1 Overhaul Disassembly & Reassembly
12-1-1 Separation of the back cover and the chassis
Part Name
Back Cover
Description
Remove 12 screws to remove the back bottom cover. : TH,B,M4.L15,BLK,SWRCH18A
Description Photo
Terminal Board
Loosen and remove the 4 screws on the terminal board and jack. * The 4 Jack Screws : RH,B,M4,L15,ZPC(BLK),SWRCH18
Holder Chassis
Separate the DVI cable. Notice: The DVI screw is made of soft plastic and may easily break when applying excessive force through a screw driver. Ensure that extreme caution is taken when loosening the screw.
Samsung Electronics
12-1
Disassembly & Reassembly
Part Name
Holder Chassis Seperate the Gt-wires. Seperate the cables.
Description
Description Photo
12-2
Samsung Electronics
Disassembly & Reassembly
12-1-2 Separation of the MAIN Board
Part Name
MAIN Board
Description
Remove the 4 standoffs. StandOff : M3,L5,Ni PLT,SUM24L,#4-40 Notice: The standoff may easily break through applying excessive force. Ensure that extreme caution is taken.
Description Photo
After Removing the Top Shield Case. Notice: Use the two lock holes on either side of the shield case when removing it.
Remove the 5 screws : PWH,B,M3,L10,ZPC(YEL),SWRCH18A
MAIN Board.
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12-3
Disassembly & Reassembly
12-1-3 Separation of the Optical Engine
Part Name
Optical Engine
Description
Remove the 3 screws to remove the bracket. : TH,B,M4.L15,BLK,SWRCH18A
Description Photo
Remove the screw and Remove the engine by pulling it out of the cabinet. : TH,B,M4.L15,BLK,SWRCH18A Notice: Be careful when removing the Light Engine as it may get caught up by the upper cable of the case.
12-4
Samsung Electronics
Disassembly & Reassembly
12-1-4 Separation of the Power Board
Part Name
Power Board Separate the 2 cables.
Description
Description Photo
Remove the power board carefully before disconnecting the cables. Notice: Wear gloves when handling the power board as there may be some remaining electrical charge in the capacitors. Specifically, avoid touching any part of the capacitors.
After removing the 3 screws, separate the bottom power braket. : PWH,B,M3,L10,ZPC(YEL),SWRCH18A
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12-5
Disassembly & Reassembly
12-1-5 Lamp Replacement
Notice
1. Replace with the correct code numbered lamp to avoid damage to the TV. 2. Turn the power off and wait for 30 minutes before replacing the lamp as it will be hot. 3. Do not touch the glass part of the lamp with your bare hands nor insert any foreign object inside the cover as it may cause poor screen quality, electric shock or fire. 4. Do not place the old lamp near flammable objects or within the reach of children. 5. Be sure to connect this TV directly to an AC wall outlet. If the TV's AC plug is connected to a cable box or other source, it will not allow for proper cool down time. Part Name
Lamp
Description
Unplug the TV, then use a screwdriver to remove the 4 screws. : WSP,PH,+,M4,L12,ZPC(YEL),SM10C
Description Photo
Remove the Lamp cover.
Remove the screw securing the Lamp by using a screwdriver. : WSP,PH,+,M4,L12,ZPC(YEL),SM10C
12-6
Samsung Electronics
Disassembly & Reassembly
Part Name
Lamp
Description
Separate the Lamp from the engine by holding the handle and pulling it out. To reinstall the Lamp, follow these steps in reverse order.
Description Photo
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12-7
Disassembly & Reassembly
12-1-6 Ballast Replacement
Part Name
Ballast Board
Description
Remove the lamp, refering to lamp replacement.(12-8page) Remove the ballast power cable.
Description Photo
Remove the Ballast SCI cable.
Remove the two screws at the Holder Ballast. : PWH,+,B,M3,L10,ZPC(YEL),SWRCH18A,-
Pull out the Ballast assembly. Replace it with a new one and re-assemble it in the reverse order.
12-8
Samsung Electronics
Disassembly & Reassembly
12-1-7 Color Wheel Ass'y Replacement
Part Name
Color Wheel
Description
Remove 2 screws to remove the color wheel cover. (L620 doesn't have the cover color wheel.) : WSP,PH,+,M3,L8,ZPC(YEL),SW
Description Photo
Remove two cables at the DMD Board.
Remove 2 screws. : PWH,+,B,M3,L10,ZPC(YEL),SWRCH18A,-
Disassemble the color wheel assembly.
Samsung Electronics
12-9
Disassembly & Reassembly
Part Name
Color Wheel
Description
Replace it with a new color wheel and rubber assembly. Notice : Never touch the color wheel. Touch only the cover assembly.
Description Photo
12-10
Samsung Electronics
Disassembly & Reassembly
12-1-8 Actuator(Smooth Picture) Replacement
Part Name
Actuator
Description
Remove the cable at the Actuator.
Description Photo
Push the steel spring wire to bottom of the Actuator Assy.
Replace it with a new actuator.
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12-11
MEMO
12-12
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