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Now downloading free:Samsung DVD-P241


Download Samsung DVD-P241 docs - DVD player, DVD recorder, digital recorder, DVD R - Sony, Panasonic, LG - service manual and repair information


File information:
File name:Samsung DVD-P241.part4.rar
[preview DVD-P241]
Size:724 kB
Extension:
MD5:0bb90ec8a13fd9bfc732892aa1d22bd6
Mfg:Samsung
Model:DVD-P241 🔎 DVDP241
Original:DVD-P241 🔎
Descr:Samsung DVD-P241.part4
Group:Electronics > Consumer electronics > DVD >
Uploaded:09-03-2004
User:plamensl
Multipart:No multipart

Information about the files in archive:
Decompress result:OK
Extracted files:4
File nameText
27095303843_CH7.pdf7. Circuit Operating Descriptions 7-1 Power 7-1-1 Comparsion between Linear Power Supply and S.M.P.S. 7-1-1 (a) Linear Vout REGULATOR + Vp (Np) + Vs (Ns) + Vreg Common power (Ex.120V 60Hz) Fig. 7-1 Linear Power Supply Waveform/Description Vp 0 t Input : Common power to transformer (Vp). Fig. 7-2 Vs The output Vs of transformer is determined by the ratio of 1st Np and 2nd Ns. Vs = (Ns/Np) x Vp 0 t Fig. 7-3 Vout 0 t Vout is output (DC) by diode and condensor. Fig. 7-4 Samsung Electronics 7-1 Circuit Operating Descriptions Advantages and disadvantages of linear power supply 1) Advantages : Little noise because the output waveform of transformer is sine wave. 2) Disadvantages : OE Additional margin is required because Vs is changed (depending on power source). (The regulator loss is caused by margin design). Greater core size and condensor capacity are needed, because the transformer works on a single power frequency. v Vout Change by common power Vreg 0 Regulator
27095303843_CH8.pdfNo focus incoming No pick-up home positing Samsung Electronics Check RIC1 and A, B, C, D input. ZIC1-191(SLED-PWM) output is normal? (1.7V ~ 1.8V) No Check ZIC1. Yes No Check FIC1. SLED+, SLEDFIC1-32, 33 output are normal? Yes Check FIC1. Check the Sled Motor and connection. A 8. Troubleshooting FE in ZIC1-181 is within specified range? No Yes FIC1-27, 28 output are normal? No Yes Check open state from FIC1 to pick-up. 8-1 8-2 No Search Operation No No MEVO, RIC1-32 output level is normal? Check RIC1 MIRR, RIC1-27 output is normal? Yes Yes Check pick-up. Check RIC1 peripheral circuit. Actual velocity occurs at ZIC1-191 terminal? Open check in related circuit. Yes No Check ZIC1 peripheral circuit. Actual velocity occurs at FIC1-32, 33 terminal? Yes No Check FIC1 peripheral circuit. TE occurs in search range? No Focus On? No A Yes See "Fine Seek Check" NO LD CD ON Troubleshooting B RIC1-21 is 5V? No Yes Divide RQ2 emitter terminal voltage and 5V real voltage difference
27095303843_CH9.pdf9. Block Diagram DECK ASS'Y (DP-15) Remote Control ZIC2 SDRAM Pick-up & I/V Amp ZIC5 2KBit EEROM Spindle Motor Feed Motor RIC1 (SP3723) RF Amp & DPD CSS INPUT FIFO & DEMUX ZIC1 (Vaddis-6) A/V Decoder DTS Bitstream Optical IEC958/1937 Coaxial Lt Rt AUDIO DSP Down-L/R AIC2 (PCM1742) 2-CH Audio DAC Post Filter Post Filter FIC1 (FAN8004) Actuator & Motor Driver A/V Decoder AC3 & MPEG 5.1 Compo VIC1 (LA73054) CVBS Yout Cout Y/B/Pb Video Encoder (4DAC) 6dB AMP C/R/Pr Post Filter 6dB AMP R/Pr B/Pb G/Y Comp/G/Y Samsung Electronics This Document can not be used without Samsung's authorization. 9-1 Block Diagram MEMO 9-2 This Document can not be used without Samsung's authorization. Samsung Electronics
27095303843_COVER.pdfDVD PLAYER Chassis : Trino DVD-P241 TRAINING MANUAL DVD-P241 TRAINING DVD PLAYER Manual CONTENTS 1. Precautions ELECTRONICS 2. Reference Information 3. Product Specification 4. Operating Instructions 5. Disassembly and Reassembly 6. Alignment and Adjustment 7. Circuit Operating Description 8. Troubleshooting STANDBY/ON EZ VIEW LOADING 9. Block Diagram 10. Wiring Diagram 11. Schematic Diagrams This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable international and/or domestic law. Samsung Electronics Co., Ltd. DEC. 2003 Printed in Korea AK82-00419A



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