DVD PLAYER Chassis : Milleno DVD-N501 SERVICE Manual DVD PLAYER CONTENTS 1. Precautions 2. Disassembly and Reassembly 3. Troubleshooting 4. Exploded Views and Parts List 5. Electrical Parts List 6. Block Diagram 7. PCB Diagrams 8. Wiring Diagram 9. Schematic Diagrams...
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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3) Reassemble the Deck-Assy. (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 Fig. 1-4 Samsung Electronics...
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 ´ ASS'Y DOOR-TRAY "A" "B" ˇ EMERGENCY HOLE ¨ SCREW DRIVER <Side View> Fig. 2-2 Ass’y 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 1 Screw Œ, 2 Screws ´ and lift up the Jack PCB ˇ. 2) Remove 4 Screws ¨ and lift up the Main PCB ˆ. ´ 2 SCREWS ˇ JACK PCB ¨ 4 SCREWS ˆ MAIN PCB Œ 1 SCREW Fig. 2-5 Main PCB, Jack PCB Removal Samsung Electronics...
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Disassembly and Reaasembly 2-2 PCB Location JACK PCB JOY-PAD PCB MAIN PCB Fig. 2-6 PCB Location Samsung Electronics...
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MAIN PCB JACK PCB ∏ ” PCN1 MAIN PCB JACK PCB PCNS1 ’ ˝ DCN3 MAIN PCB JACK PCB Ô MAIN PCB JOY-PAD PCB JCNS1 Ò Ú JCN1 JACK PCB JOY-PAD PCB JCNS2 Fig. 2-7 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. 2-8 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. 2-9 Assy P/U Deck Removal Samsung Electronics...
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No focus incoming No Disc recognition LD is outputted FE in SIC1-25 from object lens at Check RIC1 and A, B, C, D input. is within specified range? play key input? No focus incoming and no disc occurs. SIC3-26, 27 output Check SIC3.
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No pick-up home positing NO LD CD ON RIC1-21 is 5V? Check MIC1 SLD, SIC1-34 Check MIC1 output is normal? Divide RQ1 emitter terminal voltage and 5V real voltage LED+, SLED- difference into 10ohm. Check SIC3 SIC3-32, 33 output are normal? Open check in related circuit.
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No Search Operation FINE SEEK Check FINE SEEK MIRR MIRR, SIC1-157 RFAGCO, RIC1-72 Check RIC1 Peripheral curcuit. signal (RIC1-46) is missing? output is normal? output level is normal? Check pick-up. TZCO signal Check SIC1 Peripheral curcuit. Check RIC1 peripheral circuit. (SIC1-24) is occurs? Track incomming is Time out due to many jump counts.
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Abnormal rotation of Abnormal rotation of disc motor disc motor Input of RF signal Input of RF signal RIC1-71 output RIC1-71 output is normal? (SIC1-15) is normal? (SIC1-15) is normal? is normal? Check RIC1 peripheral Check RIC1 peripheral circuit and A, B, C, D. circuit and A, B, C, D.
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CD/VCD/DVD L/R output error Digital output error (Mixed Audio output) Normal DATA 0 is Output in NIC1-46 is normal? Check NIC1-56 output. Check NIC1 peripheral circuit. input in AIC1-3? Check NIC1-111 Analog output of Output in (CD/VCD ; 16.9344MHz, Check AIC3. AIC1-9, 10, 11, 12 is AIC3-6, 8, 10 is DVD ;...
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VIC1(M) ; SAA7128 No Power (120 Voltage) Video output error in VIC1(J) ; MM1540 (Standby LED OFF) RCA Jacks Power level is Check the connection between normal at pin 6, 17, 20, 25, 28, pin 2 in PIC5 and Emmiter in PQS58. 31, 36, 39 in VIC1(M)? PFD01 error? Replace fuse.
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VIC1(M) ; SAA7128 VIC1(J) ; MM1540 Analog signals Check the connection between are inputed normally at pin 2, 4, 6, VIC1(M) and VIC1(J). 9, 11, 13 in VIC1(J)? Power is normal Check the connection between at pin 1, 28 in VIC1(J)? VIC1(J) and Emmiter of PQL58.