Daewoo HC-7230UX Series Service Manual

Daewoo HC-7230UX Series Service Manual

Daewoo hc-7230ux series digital home cinema system

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SN: 9CD8305700
Digital Home Cinema System
Model : HC-7230UX Series
HC-7230UX
Mar. 2008

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Summary of Contents for Daewoo HC-7230UX Series

  • Page 1 SN: 9CD8305700 Digital Home Cinema System Model : HC-7230UX Series HC-7230UX Mar. 2008...
  • Page 2: Table Of Contents

    DIGITAL HOME CINEMA SYSTEM Model : HC-7230UX Series Table of Contents SAFETY PRECAUTIONS ..........1 SPECIFICATIONS ............2 SCHEMATIC DIAGRAM ..........9 FRONT Section LOCATION OF USERS CONTROLS ......3 POWER + AMP Section 1 : SMPS Front Panel POWER + AMP Section 2 : VR...
  • Page 3: Safety Precautions

    Safety Precautions WARNING: TO PREVENT FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE laundry tub, in a wet basement, or near a swimming pool, THIS APPLIANCE TO RAIN OR MOISTURE. and the like. 2. Carts and Stands - The appliance PORTABLE CART CAUTION should be used only with a cart or RISK OF ELECTRIC SHOCKS...
  • Page 4 Safety Precautions 13.Outdoor Antenna Grounding - If an outside antenna is 15.Object and Liquid Entry - Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through connected to the receiver be sure the antenna system is openings.
  • Page 5: Specifications

    Specifications General specifications Power supply Power output at 10%THD(RMS) Operating Voltage ~ 100 V - 240 V, 50/60Hz Model Woofer Front / Center / Rear (Free Voltage) Power consumption Operating Watt 50 W, 6 ohm HC-7230UX 30 W, 8 ohm Dimensions (W x D x H) / Weight 430 x 316 x 52 mm / 3.24 kg Front Amp.
  • Page 6: Location Of Users Controls

    Location of Users Controls Front Panel HC-7230UX 13 14 1. POWER ON/OFF push button 8. MASTER VOLUME Control 2. MIC 1 / MIC 2 jacks 9. OPEN/CLOSE ( ) button 3. MIC 1 / MIC 2 VOLUME Controls 10. FUNCTION button 4.
  • Page 7: Remote Controller

    Location of Users Controls Remote Controller 1. POWER ON/STANDBY button 2. MUTE button 3. OPEN/CLOSE button 4. PBC button POWER MUTE OPEN/CLOSE 5. RETURN button 6. STEP button RETURN STEP SLOW 7. SLOW button 8. DISPLAY button DISPLAY P/I SCAN 9.
  • Page 8: Connecting To Equipment

    Connecting to Equipment Connecting to TV 21-Pin SCART Cable(not included) to 21-pin SCART input terminal on TV SCART Specification : Composite and Component Video output(DVD, Video)Audio L/R Output(DVD only) for EU version: optional If the TV or monitor is equipped with an S video input, make the S video connection in addition to the normal video connection. The S video connection will provide higher quality picture playback.
  • Page 9: Connecting The Usb Device Of Fresh Memory Type (Option)

    Connecting to Equipment Connecting the supplied FM/MW(AM) antennas (option) Adjusting the position of the FM antenna While listening to an FM program, extend the antenna and move it in various directions until the clearest signal is received, then secure the antenna with push pins in the position with the least distortion.
  • Page 10: Firmware Upgrade

    Firmware Upgrade Preparing the Firmware Upgrade 1. Write a disc to Update file by PC Writing Program. 2. A size of dummy folder is more than 10M bite. (ex : font_dw, attached picture) 3. Put Firmware file (DVDROM.BIN) in a disc. Activating the Firmware Upgrade 1.
  • Page 11: Internal Block Diagram Of Ics

    Internal Block Diagram of ICs 74HC4052 74L24 EL817 NJM4558M TL431...
  • Page 12 Internal Block Diagram of ICs CE2826 MP7722 M29W800DB MP7782 LD1117ADT-R...
  • Page 13 Internal Block Diagram of ICs 24C04 AM5888S PT2579 (RDS option) OSC1 OSC2 DVDD 57kHz Oscillation Anti-Aliasing Reconstruction Quality Bit QUAL Band Pass & Filter Filter Generator (8th Order) Divider SCOUT Costas Loop Biphase Clocked Defferential Variable & Symbol RDDA Comparator Decoder Fixed Divider Decoder...
  • Page 14 Internal Block Diagram of ICs SPHE8281DE (with DOLBY PROLOGIC II) SPHE8281D...
  • Page 15 Internal Block Diagram of ICs PT2258 FSCQ0765RT...
  • Page 16: Exploded View And Mechanical Parts List

    Exploded View and Mechanical Parts List...
  • Page 17 Exploded View and Mechanical Parts List...
  • Page 18: Wiring Diagram

    Wiring Diagram (option)
  • Page 19: Schematic Diagram

    Schematic Diagram FRONT Section POWER + AMP Section 1 : SMPS...
  • Page 20: Power + Amp Section 2 : Vr

    Schematic Diagram POWER + AMP Section 2 : VR POWER + AMP Section 3 : MP 7782...
  • Page 21: Power + Amp Section 4 : Mp 7722

    Schematic Diagram POWER + AMP Section 4 : MP 7722...
  • Page 22: Mpeg Section 1 - Mpeg Processor

    Schematic Diagram MPEG Section 1 : MPEG Processor...
  • Page 23: Mpeg Section 2 - Power

    Schematic Diagram MPEG Section 2 : Power...
  • Page 24: Mpeg Section 3 - Rom/Flash/Memory

    Schematic Diagram MPEG Section 3 : ROM/FLASH/Memory...
  • Page 25: Mpeg Section 4 - Motor Driver

    Schematic Diagram MPEG Section 4 : Motor Driver...
  • Page 26: Mpeg Section 5 - Video Buffer

    Schematic Diagram MPEG Section 5 : Video Buffer...
  • Page 27: Mpeg Section 6 - Audio Filter

    Schematic Diagram MPEG Section 6 : Audio Filter...
  • Page 28: Mpeg Section 7 - Tuner (Option)

    Schematic Diagram MPEG Section 7 : Tuner (option) MPEG Section 8 - AV Switch...
  • Page 29: Mpeg Section 9 - External Adc

    Schematic Diagram MPEG Section 9 : External ADC MPEG Section 10 : Audio Input...
  • Page 30: P.c.b Pattern Layout

    P.C.B Pattern Layout FRONT <Top View> <Top View>...
  • Page 31: Mpeg

    P.C.B Pattern Layout MPEG <Top View>...
  • Page 32 P.C.B Pattern Layout MPEG <Bottom View>...
  • Page 33: Power + Amp

    P.C.B Pattern Layout POWER + AMP <TopBottom View>...
  • Page 34 P.C.B Pattern Layout POWER + AMP <Bottom View>...
  • Page 35: Appendix Electrical Parts List

    Appendix - Electrical part list...
  • Page 36 Appendix - Electrical part list...
  • Page 37 Appendix - Electrical part list...

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