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Melal Part cal return path to the chassis. Any current measured must not exceed 0.5mA. Reverse the instrument power cord plug in the out- ohmmeter let and repeat the test. See Fig. 1-1. Fig. 1-2 Insulation Resistance Test Samsung Electronics...
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(5) antenna wiring. Always inspect in all areas tinuously and new instructions are issued whenev- for pinched, out-of-place, or frayed wiring, Do not er appropriate. change spacing between a component and the printed-circuit board. Check the AC power cord for damage. Samsung Electronics...
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Components i-enti- fied by shading, by( ) or by ( ) in the circuit dia- gram are important for safety or for the characteris- tics of the unit. Always replace them with the exact replacement components. Samsung Electronics...
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(6) Do not remove a replacement ESD device from its protective package until immediately before your are ready to install it.(Most replacement ESD devices are packaged with leads electrically short- ed together by conductive foam, aluminum foil or comparable conductive materials). Samsung Electronics...
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◆ Be sure to put on a wrist strap grounded to the sheet. ◆ Be sure to lay a conductive sheet made of copper etc. Which is grounded to the table. Samsung Electronics...
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Pick-up. (See Fig. 1-4) 4) Disassembly the Pick-up. Note : If the assembly and disassembly are not done in correct sequence, the Pick-up may be damaged. PICK-UP ASS'Y SOLDER LAND 4 POINTS SHORT SOLDER LAND 2 POINTS SHORT Fig. 1-4 Samsung Electronics...
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Note : Reassembly in reverse order. 2-1-1 Top Cabinet Removal 1) Remove 3 Screws Œ on the back Top Cabinet. 2) Lift up the Top Cabinet in direction of arrow. Œ 3 SCREWS Fig. 2-1 Top Cabinet Removal Samsung Electronics...
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Note : If Tray Œ doesn’t open, insert a Screw driver ¨ into the Emergency hole ˇ (as shown in detailed draw- ing) and then push it in the direction of arrow “B”. Open Tray manually. Œ TRAY ´ DOOR-TRAY "A" "B" ˇ EMERGENCY HOLE ¨ SCREW DRIVER <Side View> Fig. 2-2 Door-Tray Removal Samsung Electronics...
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2-1-4 Ass’y Deck Removal 1) Disconnect Flat-Cable,Connect-Wire from DCN1, DCN2 on Main PCB. 2) Remove 3 Screws Œ from the Ass’y Deck and lift it up. Œ 3 SCREWS DECK-ASS'Y FLAT-CABLE CONNECT-WIRE MAIN PCB DCN1 DCN2 Fig. 2-4 Ass’y Deck Removal Samsung Electronics...
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1) Remove 2 Screws Œ and lift up the Jack PCB ´. 2) Remove 3 Screws ˇ and lift up the Main PCB ¨. Œ 2 SCREWS ´ JACK PCB ˇ 3 SCREWS ¨ MAIN PCB Fig. 2-5 Main PCB, Jack PCB Removal Samsung Electronics...
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Disassembly and Reaasembly 2-2 PCB Location JACK PCB MAIN PCB KEY PCB * DVD-M30x SERIES/M40x SERIES MODELS ONLY Fig. 2-6 PCB Location Samsung Electronics...
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MAIN PCB DCN1 ˇ ¨ CONNECT-WIRE (HCN1) HOUSING PCB MAIN PCB DCN2 ˆ Ø MAIN PCB JACK PCB DCN1 ∏ ” PCN1 MAIN PCB JACK PCB PCNS1 ’ ˝ FCN1 MAIN PCB JACK PCB CN2-S Fig. 2-7 Connector Diagram Samsung Electronics...
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MAIN PCB DCN1 ˇ ¨ CONNECT-WIRE (HCN1) HOUSING PCB MAIN PCB DCN2 ˆ Ø MAIN PCB JACK PCB DCN1 ∏ ” PCN1 MAIN PCB JACK PCB PCNS1 ’ ˝ KCN1 KEY PCB JACK PCB Fig. 2-8 Connector Diagram Samsung Electronics...
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3) Pull the Tray Disc ¨ to disassemble , while simultaneously pushing 2 Stoppers ˆ (left, right) in the direction arrow “C”, “D”. ˆ STOPPER ˇ SLIDER HOUSING "C" ¨ TRAY DISC "B" "A" Œ SCREW DRIVER "D" ´ EMERGENCY HOLE ˆ STOPPER Fig. 2-9 Tray Disc Removal Samsung Electronics...
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2) Lift down the Assy P/U Deck ˇ while simultaneously pushing 2 Hooks ¨, ˆ in the direction of arrow “A”, “B”. ¨ HOOK "A" ˆ HOOK "B" <Assembly Point> Œ DCN2 ´ DCN3 SLIDER HOUSING ˇ ASSY- P/U DECK Fig. 2-10 Assy P/U Deck Removal 2-10 Samsung Electronics...