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Loewe Xemix 63510 Service Manual

Loewe Xemix 63510 Manual Online:

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Loewe Xemix 63510 User Manual
Loewe Xemix 63510 User Guide
Loewe Xemix 63510 Online Manual

Text of Loewe Xemix 63510 User Guide:

  • Loewe Xemix 63510, 3-13 2) Tray close waveform OPEN((CN203 PIN 3) CLOSE(CN203 PIN 2) TROPEN(IC202 PIN 1) TRCLOSE(IC202 PIN 2) FIG 3-2 3) Tray open waveform OPEN((CN203 PIN 3) CLOSE(CN203 PIN 2) TROPEN(IC202 PIN 1) TRCLOSE(IC202 PIN 2) FIG 3-3

  • Loewe Xemix 63510, 3-24 BLOCK DIAGRAMS 1. Overall Block Diagram M M DISC SPINDLE MOTOR LOADING MOTOR DECK MECHANISM DVD:RF0,A,B,C,D CD:RF0,A,B,C,D,E,F PICK UP DIG901 FLD DISPLAY KEY Input 5MHz X-TAL B/U IC5A1 29LV160TE 2M 8BIT FLASH ROM A[00:20] PCE# PRD# PWR# DQ[00:15] RFON,RFOP,FEO,RFL,CSO TEO,BDO,RFRP,HTRC,V2P8 L/R CVBS R/V G/Y Y[1:6] SY SC L/R AC 90V~240V 50HZ/60Hz STBY,TRCLOSE 27MHz X-TAL PWRCTL IC505 KS24L161CS EEPROM IC401 CS4391 2DAC IC402 NJM4580 OP-AMP RC901 REMOCON RECEIVER IC902 RESET IC LOAD+,LOAD- F+,F-,T+,T- SP+,SP- IC201 MT1336E RF SLED (FEEDING) MOTOR SL+,SL- IC202 LA6560 MOTOR DRIVER M V33 V33 AV33/DV33/V25 VCC/3V3M IC604 MM1623

  • Loewe Xemix 63510, 3-5 A B RESET or Power On. No Yes Yes Yes Yes Yes Yes Yes Yes No No No No NoNo No No Show LOGO? Flash Memory operates properly? Check connecti on lines between FLASH & MT1379 and the FLASH access time whether is sui table or not. SDRAM works properl y? MT1379 VIDEO outputs properly? Have TV signal output? Check AV cable connection to TV set . Check the load OPEN & CLOSE switch Check the Tray control IO pins on MT1376 & MT1379. Check the Tray control amplifying circuit on Motor driver.(IC202) Does Tray move inside when it is not at closed position? Normal TROUT & TRI

  • Loewe Xemix 63510, 3-25 2. Power(SMPS) Block Diagram 5V_A -29VA VF+ RECTIFIER LINE FILTER SWITCHING IC TRANS FEED B. REG(8V) 8V 5.2VA VF- RECTIFIER(FLD) RECTIFIER(9V) RECTIFIER(5.2V) LPF LPF RECTIFIER(14V) LPF 12V AC90~240V PWR ON/OFF REG(3.3V) 3.3V/3.3V_M REG(12V) ON/OFF RECTIFIER(3.8V) LPF LOEWE

  • 3-10 DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 1. SYSTEM 27MHz CLOCK,RESET,FLASH R/W SIGNAL 1) MT1379 main clock is at 27MHz(X501) 3.8V, 27MHz FIG 1-1 2) MT1379 & MT1336 reset is high active. PWR_CTL(P5901 PIN 17) 5.2VA Power Cord in M_RESET(P5901 PIN 19) URST(IC501 PIN 188) FIG 1-2

  • 3-15 6. LASER POWER CONTROL RELATED SIGNAL(NO DISC CONDITION) MDI1(0V/180mV) (IC201 PIN 124) LD01(5.0V//3.5V) IC201 PIN 125) LD02(5.0V/3.6V) (IC201 PIN 126) FIG 6-1 7. DISC TYPE JUDGEMENT WAVEFORM F+(IC202 PIN 9) FE(IC201 PIN 18) RFL(IC201 PIN 19) FIG 7-1 (DVD)

  • 3-29 3-30 CIRCUIT DIAGRAMS 1. POWER(SMPS) CIRCUIT DIAGRAM IMPORTANT SAFETY NOTICE WHEN SERVICING THIS CHASSIS, UNDER NO CIR- CUMSTANCES SHOULD THE ORIGINAL DESIGN BE MODIFIED OR ALTERED WITHOUT PERMISSION FROM THE LOEWE CORPORATION. ALL COMPO- NENTS SHOULD BE REPLACED ONLY WITH TYPES IDENTICAL TO THOSE IN THE ORIGINAL CIRCUIT. SPECIAL COMPONENTS ARE SHADED ON THE SCHEMATIC F

  • Loewe Xemix 63510, 3. Packing Accessory Section BATTERY 808 PACKING SHEET 804 PACKING OPTIONAL PARTS 803 806 820 OWNER’S MANUAL CABLE, COAXIL 810 CABLE ASS’Y (RF) 801 REMOCON 900 BOX CARTON 802 PACKING 803 811 812 PLUG ASS’Y 1WAY(YELLOW) PLUG ASS’Y 1WAY(BLACK) PLUG ASS’Y 2WAY 821 SCART CABLE 2-4

  • 1-4 SERVICING PRECAUTIONS CAUTION : Before servicing the DVD covered by this service data and its supplements and addends, read and follow the SAFETY PRECAUTIONS. NOTE : if unforeseen circum- stances create conflict between the following servicing pre- cautions and any of the safety precautions in this publica- tions, always follow the safety precautions. Remembers Safety

  • Loewe Xemix 63510, 3-9 E Normal Audio output when disc playback? Normal IR. VFD & Front pannel key functions? TEST END Audio DAC received correct data stream? Normal Audio DAC out? (IC601) Check Audio filter, amplify, mute circuit. (IC401 Application circuit)? Check connection between MT1379 & Audio DAC. (Check VRST#, ACLK, ABCK, ASDAT3) Check the related circuit of Audio DAC. (Check Audio out Pin 14, 15,18,19) Check communi cation lines on MT1379. Communications between IR.VFD Front pannel key & MT1379 & Front u-com(IC901) is normally? No No Yes Yes

  • Loewe Xemix 63510, 1-5 SPECIFICATIONS • GENERAL Power requirements AC 110~240V, 50/60Hz Power consumption 14W Dimensions(approx.) 360 x 69 x 215mm (W/h/d) Mass(approx.) 2.52kg Operating temperature 5˚C to 35˚C (41˚F to 95˚F) Operating humidity 5% to 90% • SYSTEM Laser Semiconductor laser, wavelength 650nm Signal system PAL/NTSC Frequency response DVD (PCM 96kHz): 8Hz to 44kHz DVD (PCM 48kHz): 2Hz to 22kHz CD: 8Hz to 20kHz Signal-to-noise ratio More than 100dB (ANALOG OUT connectors only) Harmonic distortion Less than 0.008% Dynamic range More than 100dB(DVD) More than 95dB(CD) • OUTPUTS VIDEO OUT 1 V (p-p) 75 Ω, sync negative, RCA jack x 1 / SCART (TO TV) Au

  • Loewe Xemix 63510, 2-1 SECTION 2 CABINET & MAIN CHASSIS CONTENTS 1. EXPLODED VIEWS ................................................................................................................2-2 1. Cabinet and Main Frame Section ...........................................................................................2-2 2. Deck Mechanism Section........................................................................................................2-3 3. Packing Accessory Section....................................................................................................2-4

  • Loewe Xemix 63510, 3-4 3. Test & debug flow TEST Check the POWER PART No Yes No Yes No No No Yes Yes Check the POWER PART Check the regulators or diode(D501). Check the connector connection Main PCB & Communication Signal 1. Check 27MHz system clock. 2. Check systemreset circuit. 3. Check FLASH R/Wenable signal PRD, RWR. 4. Check RS232 SIGNALS. 5. Check FLASH Memory related circui t. Check the AC Vol tage Power PART (110V or 220V) Is the DC Vol tage outputs OK? (5V, 3.3V, 8V, 12V) Is 3.3V and 2.5V DC outputs normal on main PCBA? Update FLASH(IC5A1) successfully? Replace FLASH( IC5A

  • Loewe Xemix 63510, 3-19 10. TRACKING CONTROL RELATED SIGNAL(System checking) TE(IC201 PIN 21) TRSO(IC501 PIN 13) T-(IC202 PIN 7) T+(IC202 PIN 6) FIG 10-1(DVD) TE(IC201 PIN 21) TRSO(IC501 PIN 13) T-(IC202 PIN 7) T+(IC202 PIN 6) FIG 10-2(CD)

  • Loewe Xemix 63510, 3-2 ELECTRICAL TROUBLESHOOTING GUIDE No 5V_A . No 5.2VA. Is 5.2VA section working? Is 5.2V present at emitter of Q107? Replace Q107. Is there a DC voltage At (+) terminal of BD101? Is there a DC voltage at R101? Replace IC101. Check F101 1. Power check flow No VF+ Is 5.2VA section working? Replace D109. Check F102 NO NO YES YES YES YES Replace R101. YES Replace BD101. YES YES A. B. NO NO NO NO

  • Loewe Xemix 63510, 3-43 3-44 PIN STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY 161 0 1.27 162 0 2.35 163 0 0 164 0 0.73 165 0 3.27 166 0 0.5 167 0 0 168 0 0.53 169 0 3.27 170 0 0.59 171 0 0 172 3.01 0.72 173 0 0.72 174 0 0 175 0 2.73 176 0 3.13 177 0 3.13 178 0 3.25 179 0 0 180 0 0 181 2.04 2.64 182 0 2.52 183 0 0 184 0 0.09 185 0 3.26 186 - - 187 0 0.08 188 0 0 189 0 0 190 0 0 191 0.23 0 192 0 3.29 193 0 0 194 0 0 195 0 0 196 0 0 197 0 1.63 198 0 0 199 0 0 200 0 2.15 201 0 1.44 202 0 1.44 203 0 1.43 204 0 1.43 205 0 1.42 206 0 2.1 207 0 2.07 208 0 1.41 209 0 1.52 210 0 1.43 211 0 2.81 212 0 3.28 213 0 0.12 214 0

  • Loewe Xemix 63510, 3-6 B No No YesYes Yes No Yes Yes Yes No Yes No No No Does the SLED move to inner side when it is at outter positi on? Motor Driver STBY Pin is High? Motor Driver STBY Pin is High? SL+ and SL- output properl y? Optical Lens has movements for searching Focus? Proper F+ & F- outputs? Check cable connect on with pick-up head. Proper FOSO outputs to motor driver? Check FOSO connection on MT1379 and motor dirver. Check the amp circuit on motor dirver. C Check the cable connection with MECHA. Do not put in disc and tray close. Check the connection line of STBY signal . Check t

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