LG LH-W750TA Service Manual

LG LH-W750TA Service Manual

Wireless dvd receiver system
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WIRELESS DVD RECEIVER SYSTEM
SERVICE MANUAL
MODEL : LH-W750,1,2,3TA
LHS-W75TAC, LHS-W75TAF,
LHS-W75TAL, LHS-W75TAR,
LHS-W75TAW, ACC75T

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Summary of Contents for LG LH-W750TA

  • Page 1 WIRELESS DVD RECEIVER SYSTEM SERVICE MANUAL MODEL : LH-W750,1,2,3TA LHS-W75TAC, LHS-W75TAF, LHS-W75TAL, LHS-W75TAR, LHS-W75TAW, ACC75T...
  • Page 2: Specifications

    SPECIFICATIONS GENERAL Power supply Refer to main label Power consumption Refer to main label Weight 3.9 kg External dimensions (W x H x D) 430 x 54 x 350 mm Operating conditions Temperature: 5°C to 35°C, Operation status: Horizontal Operating humidity 5% to 85% CD/DVD Laser...
  • Page 3: Rear Speaker

    • REAR SPEAKER MODEL : LHS-75TAL/R A801WL A800WL A801WR A800WR 884A 887A A80LAM 888A A80RAM A80SEN 881A A80SML PWRCRD...
  • Page 4 • TRANSMITTER MODEL : ACC75T A300 (With LENS) A80M A80S...
  • Page 7: Smps Schematic Diagram

    • WIRElESS PART 1. SMPS SCHEMATIC DIAGRAM...
  • Page 8 • WIRElESS PART 2. TX SCHEMATIC DIAGRAM...
  • Page 9 • WIRElESS PART 3. RX SCHEMATIC DIAGRAM 5-10...
  • Page 10 • WIRElESS PART 5. TX P.C. BOARD DIAGRAM (TOP VIEW) (BOTTOM VIEW) 5-12...
  • Page 11 • WIRElESS PART 6. RX P.C. BOARD DIAGRAM (TOP VIEW) (BOTTOM VIEW) 5-13...
  • Page 12 February 2006 FSCQ-Series FSCQ0565RT/FSCQ0765RT/FSCQ0965RT/FSCQ1265RT/ FSCQ1465RT/FSCQ1565RT/FSCQ1565RP Green Mode Fairchild Power Switch (FPS™) Features Description Optimized for Quasi-Resonant Converter (QRC) A Quasi-Resonant Converter (QRC) typically shows lower EMI and higher power conversion efficiency com- Advanced Burst-Mode Operation for under 1W pared to conventional hard-switched converter with a Standby Power Consumption fixed switching frequency.
  • Page 13 Typical Circuit Drain FSCQ-Series Sync Figure 1. Typical Flyback Application Table 1. Maximum Output Power Output Power Table 230 VAC ± 15% 85–265 VAC Product Open Frame Open Frame FSCQ0565RT FSCQ0765RT 100W FSCQ0965RT 130W 110W FSCQ1265RT 170W 140W FSCQ1465RT 190W 160W FSCQ1565RT 210W...
  • Page 14: Pin Configuration

    Pin Configuration TO-220F-5L 5. Sync 4. Vfb 3. Vcc 2. GND 1. Drain TO-3PF-7L 5. Sync 4. Vfb 3. Vcc 2. GND 1. Drain Figure 3. Pin Configuration (Top View) Pin Definitions Pin Number Pin Name Pin Function Description Drain High voltage power SenseFET drain connection.
  • Page 15: Package Dimensions

    High Density Mounting Type Photocoupler LTV-817 Series Features Package Dimensions Current transfer ratio (CTR : MIN. 50% at I =5mA, V =5V) High input-output isolation voltage: : 5,000V Compact dual-in-line package LTV-817 : 1-channel type LTV-827 : 2-channel type LTV-847 : 4-channel type UL approved (No.
  • Page 16 STA328 2.1 HIGH EFFICIENCY DIGITAL AUDIO SYSTEM FEATURES Figure 1. Package Wide supply voltage range (10-36V) ■ 3 Power Output Configurations ■ – 2x40W + 1x80W PowerSO36 SLUG UP – 2x80W – 1x160W Table 1. Order Codes Power SO-36 Package ■...
  • Page 17: Ordering Information

    STA328 and bass/treble tone control. Automodes™ enable a time-to-market advantage by substantially reducing the amount of software development needed for certain functions. This includes Auto Volume loudness, preset volume curves, preset EQ settings, etc. New advanced AM radio inerference reduction modes. The serial audio data input interface accepts all possible formats, including the popular I S format.
  • Page 18 STA328 Figure 4. Channel Signal Flow through the EQ Block Re-sampled Input High-Pass Bass T reble BQ#1 BQ#2 BQ#3 BQ#4 Scale Filter Emphasis Filt er Filter 4 Biquads If CxT CB = 0 User defined if AMEQ = 00 BT C: Bass Boost/Cut If HPB = 0 If DEMP = 1 Preset EQ if AMEQ = 01...
  • Page 19 STA328 Figure 8. Block Diagram (refer to Stereo Application Circuit) DD REG 100nF 1000µF L18 22µH OUT1A Vcc Sign REGULATORS 100nF GND1A 330pF 100nF GND REG 470nF R100 C101 100nF 1µF 3.3V 100nF PROTECTION CONFIG & OUT1B L19 22µH LOGIC GND1B GNDCLEAN RESET...

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