Panasonic DVD-LS91EE Service Manual
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Panasonic DVD-LS91EE Service Manual

Panasonic DVD-LS91EE Service Manual

Portable dvd/cd player
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Specifications

Operating temperature
range:
Operating humidity range:
Region number:
+5 to +35°C (+41 to +95°F)
5-85% RH (no condensation)
Region No.3 (DVD-LS91GCS)
Region No.4 (DVD-LS91GN)
Region No.5 (DVD-LS91EE)
Portable DVD/CD PLAYER
DVD-LS91EE
DVD-LS91GN
DVD-LS91GCS
RAE1905Z-3C Mechanism Series
Colour
(S).................Silver Type
© 2006 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO.CHM0603010CE
Unauthorized
copying
and

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Summary of Contents for Panasonic DVD-LS91EE

  • Page 1: Specifications

    +5 to +35°C (+41 to +95°F) Operating humidity range: 5-85% RH (no condensation) Region number: Region No.3 (DVD-LS91GCS) Region No.4 (DVD-LS91GN) Region No.5 (DVD-LS91EE) © 2006 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying distribution is a violation of law.
  • Page 2 DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS Discs played DVD (DVD-Video, DivX(EXCEPT Audio performance: [8cm (3”) or 12cm (5”)]: GCS/*6,8)) (1) Frequency response: DVD-RAM (DVD-VR, JPEG(*4,6,7), lDVD (linear audio): 4Hz-22kHz (48kHz sampling) MP3(*2,6)) (MPEG4(EXCEPT 4Hz-44kHz (96kHz sampling) GCS/*5,6),DivX(EXCEPT GCS/*6,8)) lCD audio: 4Hz-20kHz...

  • Page 3: Table Of Contents

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS Battery pack CGR-H701 Windows Media, and the Windows logo are trademarks, or (lithium ion): registered trademarks of Microsoft Corporation in the United States and/or other countries. Voltage: 7.2V WMA is a compression format developed by Microsoft Corporation.
  • Page 4 DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 9.2. UHF displays 16.1. CHARGE BATTERY SECTION (MAIN P.C.B. (1/10)) 9.3. Service Mode Table 1 SCHEMATIC DIAGRAM 9.4. DVD Self Diagnostic Function-Error Code 16.2. POWER SUPPLY SECTION (MAIN P.C.B. (2/10)) 9.5. Last Error Code saved during NO PLAY SCHEMATIC DIAGRAM 9.6.

  • Page 5: Important Service Information

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 1 Important Service Information 1.1. Notes When you replace EEPROM or exchange MAIN PCB, you have to take “Manual for customer” to the customer with unit. (also in the case of unit exchanges) Please take and use “Manual for customer” from below.

  • Page 6: Manual For Customer

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 1.3. Manual for Customer Warning for Customers Who Use the DivX Video-on-Demand content. 1. The registration code has been changed for the repair of the product or the product exchange. 2. Obtain and register a new registration code, otherwise you will no longer be able to play DivX Video-on-Demand content.

  • Page 7: Safety Precautions

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 2 SAFETY PRECAUTIONS 2.1. GENERAL GUIDELINES 1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.

  • Page 8: Precaution Of Laser Diode

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise hamless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity (ESD) sufficient to damage an ES device).

  • Page 9: How To Replace The Lithium Battery

    This model is using a lithium battery for the remote control ass’y. NOTE: The lithium battery is a critical component. ( Type No.: CR2025 Manufactured by Panasonic. ) It must never be subjected to excessive heat or discharge. It must therefore only be fitted in equipment designed specifically for its use.

  • Page 10: Service Caution Based On Legal Restrictions

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 6 Service caution based on legal restrictions 6.1. General description about Lead Free Solder (PbF) The lead free solder has been used in the mounting process of all electrical components on the printed circuit boards used for this equipment in considering the globally environmental conservation.

  • Page 11: Handling Precautions For Traverse Deck

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 7 HANDLING PRECAUTIONS FOR TRAVERSE DECK The laser diode in the optical pickup may break down due to It has already been adjusted. potential difference caused by static electricity of clothes or human body. So be careful of electrostatic break down during repair of the optical pickup.

  • Page 12: Disassembly, Reassembly And Service Position

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 8 DISASSEMBLY, REASSEMBLY AND SERVICE POSITION...

  • Page 13: Disassembly

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 8.1. Disassembly...

  • Page 14: Location

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS <Removing battery pack> 8.2. P.C.B. location Release the lock lever and remove the battery pack in the direction of the arrow. 1. Remove the 13 screws from the bottom of the unit. 8.3. Main cabinet of the unit...

  • Page 15: Traverse Assembly

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 8.4.2. Reinstalling traverse assembly 8.4. Traverse assembly 1. Reinstall the traverse assembly to the specified pin of the unit. 2. Reinstall the flexible cable of the optical pickpup unit and lock it securely. 3. Remove the solder of each laser short land of the flexible cable.

  • Page 16: Optical Pick-Up Unit

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 8.5.2. Reinstalling optical pick-up unit 8.5. Optical pick-up unit The optical pick-up unit is factory adjusted. Do not touch the 8.5.1. Removing optical pick-up unit adjustment screw. 1. Reassemble the disassembled parts in the reverse order of disassembly.

  • Page 17: Main P.c.b

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 8.7. Main P.C.B. 8.9. Monitor assembly 1. Unlock the connector and remove the flexible cable. 2. Remove the connector. 3. Remove the 4 screws and remove the main P.C.B.. 1. Unlock the connector and remove the flexible cable.

  • Page 18: Disc Cover

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS <Caution to be taken when installing monitor assembly> 8.11. Monitor cover 1. Roll the flexible cable as shown figure. 1. Remove the 5 screws 2. Install the monitor assembly on the cabinet. 2. Remove the monitor cover into the direction of the arrow.

  • Page 19: Mono Arm

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 8.12. Mono arm 5. Release the latches and remove the mono arm 1. Remove the 2 screws. 2. Release the latches and remove the shaft covers. 3. Release the friction hinge from boss and remove the mono arm assembly.

  • Page 20: Inverter P.c.b

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS <Caution to be taken when installing mono arm> 8.13. Inverter P.C.B. 1. Roll the flexible cables as shown figure and install it to 1. Unlock the connector and remove the flexible cable. mono arm cover.

  • Page 21: Service Position

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 8.16. Service position 8.16.1. Board checks 1. Connect the main P.C.B and the traverse assembly with an extension cable. 2. Install the traverse assembly to the tilt adjustment jig using three screws and three washers.

  • Page 22: Self-Diagnosis Function And Service Mode

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 9 SELF-DIAGNOSIS FUNCTION AND SERVICE MODE 9.1. Optical Pickup Breakdown Diagnosis As a new feature, this unit has an “optical pick-up problem diagnosis function” and “a tilt adjustment confirmation function” built in. Use the following procedure to efficiently determine the problem and adjust tilt.If "NO DISC" is displayed, before exchanging the optical pick-up, carry out problem diagnosis first.

  • Page 23: Uhf Displays

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS Cautions to be taken when replacing the optical pickup for short-circuiting or removing the laser diode. (Recommended soldering iron) HAKKO ESD Product The optical pickup may break down due to the static electricity of human body. Take proper protection measures 4.

  • Page 24: Service Mode Table

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 9.3. Service Mode Table 1 The service modes can be activated by pressing various button combination on the player and remote control unit. Player buttons Remote control unit buttons Application Note PAUSE Displaying the UHF display F_ _ _ Refer to section 9.4.
  • Page 25 DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS <Recorded but not displayed during normal> Error code Contents Case of Occurrence Task Remarks F010 Set value exceeded parental DVD-Video Disc value in the designated country Disc management data error (Error in management data related to viewing restrictions)
  • Page 26 DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS Error code Contents Case of Occurrence Task Remarks F066 Set value exceeds cell number DVD-Video/Audio Disc May occur when a wrong in PGC Disc management data error chapter number is set (Chapter number is 0)
  • Page 27 DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS Error code Contents Case of Occurrence Task Remarks F0BF No playback because physical Media identification impossible Drive Registration layer cannot be detected (examples) 1. Detection impossible due to inferior disc non-compliant with specifications 2. CDV or other unsupported media 3.

  • Page 28: Last Error Code Saved During No Play

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 9.5. Last Error Code saved during NO PLAY Error code Error Content F0BF 6) Cannot playback because physical layer is not recoginizable F0C0 8) DVD: Cannot playback because it is not DVD Video/Adio/VR F0C1 9) DVD: Prohibited by the restricted region code...
  • Page 29 DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS...
  • Page 30 DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS...

  • Page 31: Lens Cleaning

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 9.7. Lens cleaning When cleaning the lens, use the lens cleaner which product part No. SZZP1038C.

  • Page 32: Service Precautions

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 10 SERVICE PRECAUTIONS 10.1. Recovery after the dvd player is repaired · When FROM or main P.C.B. is replaced, carry out the recovery processing to optimize the drive. Playback the recovery disk to process the recovery automatically.

  • Page 33: Adjustment Procedures

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 11 ADJUSTMENT PROCEDURES <Caution> Be sure to take static electricity countermeasures before adjusting the optical system. Adjust the optical systems according to the prescribed procedure. 11.1. Service Tools and Equipment Application Name Number Tilt adjustment...

  • Page 34: Optical Adjustment

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 11.4. Optical adjustment 11.4.1. Optical pick gate adjustment Measurement point Adjustment point Mode Disc Tangential adjustment screw Tracking servo "ON" DVDT-S01/S15AS ----- (Adjustment screw A) Radial tilt adjustment screw Tracking servo "ON" (Adjustment screw B)
  • Page 35 DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 11.4.1.2. Adjustment 1. Play back the disc (DVDT-S01/S15AS) and make sure the RF signal is outputted. 2. Play back the areas within a radius of 40 ± 1 mm of the disc (middle circumference). 3. Turn the adjustment screw C to minimize the jitter value in the radial direction.

  • Page 36: Electrical Adjustment (Lcd)

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 11.5.2. Adjusting DC offset of impressed 11.5. Electrical adjustment (LCD) voltage [How to enter into the LCD panel adjustment mode] Adjustment is required when Check point Play back the specified video signal (10 steps, color bas...

  • Page 37: Electrical Check (Video Output Check)

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 11.5.5. Adjusting amplitude of impressed 11.5.9. Adjusting color voltage Adjustment is required when Check point ----- TL8604 Adjustment is required when Check point Adjustment procedure Adjustment UP Adjustment ----- TL8401 DOWN Adjustment procedure Adjustment UP Adjustment Use “5”...

  • Page 38: Abbreviations

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 12 Abbreviations INITIAL/LOGO ABBREVIATIONS INITIAL/LOGO ABBREVIATIONS A0~UP ADDRESS ERROR TORQUE CONTROL ACLK AUDIO CLOCK ERROR TORQUE CONTROL AD0~UP ADDRESS BUS REFERENCE ADATA AUDIO PES PACKET DATA ENCSEL ENCODER SELECT ADDRESS LATCH ENABLE ETMCLK EXTERNAL M CLOCK (81MHz/40.5MHz)
  • Page 39 DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS INITIAL/LOGO ABBREVIATIONS INITIAL/LOGO ABBREVIATIONS READ ENABLE VBLANK V BLANKING RFENV RF ENVELOPE COLLECTOR POWER SUPPLY RF PHASE DIFFERENCE OUTPUT VOLTAGE (CD-ROM) REGISTER SELECT VCDCONT VIDEO CD CONTROL (TRACKING RSEL RF POLARITY SELECT BALANCE) RESET DRAIN POWER SUPPLY VOLTAGE...

  • Page 40: Voltage Chart

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 13 VOLTAGE CHART Note: · Indicated voltage values are the standard values for the unit measured by the DC electronic circuit tester (high-impedance) with the chassis taken as standard. Therefore, there may exist some errors in the voltage values, depending on the internal impedance of the DC circuit tester.
  • Page 41 DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS IC3004 Ref No. MODE PLAY STOP Ref No. IC3004 MODE PLAY STOP IC3004 Ref No. MODE PLAY STOP IC3004 Ref No. MODE PLAY STOP IC3004 Ref No. MODE PLAY STOP IC3004 Ref No. MODE PLAY STOP Ref No.
  • Page 42 DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS IC4008 IC5201 Ref No. MODE PLAY STOP Ref No. IC6001 MODE PLAY STOP IC6002 Ref No. MODE PLAY STOP IC6002 Ref No. MODE PLAY STOP IC6002 Ref No. MODE PLAY STOP IC6002 Ref No. MODE...

  • Page 43: Inverter P.c.b

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS QR4001 QR4002 QR4004 QR4005 Ref No. MODE PLAY -0.1 -0.1 STOP QR4006 QR4009 QR4010 Ref No. MODE PLAY -1.1 -1.5 -1.3 -1.3 -0.1 STOP -0.8 -0.1 -0.1 QR4011 QR4013 QR4014 QR4015 QR4016 Ref No. MODE PLAY -1.0...
  • Page 44 DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS...

  • Page 45: Block Diagram

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 14 BLOCK DIAGRAM NOTE Circuit voltage and waveform described herein shall be regarded as reference information when probing defect point, because it may differ from an actual measuring value due to difference of Measuring instrument and its measuring condition and product itself.

  • Page 46: Power Supply Block Diagram

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 14.2. POWER SUPPLY BLOCK DIAGRAM IC6002 (OPERATION MPU) R.SKIP S6004 Q1402 KEY2 6 PA4 IP1401 D1401 D1404 F.SKIP JK1401 JK1401 DC IN POWER S6003 DC IN 30sec. SKIP IC1401 S6002 REPEAT S6001 QR1402 OPERATION P.C.B.

  • Page 47: Servo Block Diagram

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 14.3. SERVO BLOCK DIAGRAM RF SIGNAL MOTOR DRIVE SIGNAL TRACKING ERROR SIGNAL FOCUS ERROR SIGNAL IC2601 OPTICAL PICK UP UNIT IC3004 (DV3.2) (TRAVERSE MOTOR DRIVE) VIN5 PHOTO DETECTOR VIN6 VIN7 HEAD VIN8 VIN1 VIN2 TRDRV...

  • Page 48: Audio Block Diagram

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 14.4. AUDIO BLOCK DIAGRAM :AUDIO SIGNAL IC4003-14,15 IC3004-169 4.0Vp-p(0.5msec./div.) 5.0Vp-p(5usec./div.) IC4008 IC3004 IC4003 (AUDIO POWER AMP/DC VOLUME CONTROL) (DV3.2) (AUDIO DAC) DATA VOUTR ADOUT3 (DMIX OUT) AUDIO SRCK SERIAL PORT LRCK LRCK R-IN VOLUME BIAS...

  • Page 49: Video Block Diagram

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 14.5. VIDEO BLOCK DIAGRAM :VIDEO SIGNAL LCD PANEL STH1 CLK1 CLK2 CLK3 SOURCE DRIVER GREEN BLUE VCOM IC3004-147 IC3004-148 0.6Vp-p(20usec./div.) 0.6Vp-p(20usec./div.) IC3201-21 1.2Vp-p(20usec./div.) IC3201-18 IC3004-149 IC3004-157 1.2Vp-p(20usec./div.) 1.0Vp-p(20usec./div.) 0.6Vp-p(20usec./div.) IC3004-156 1.0Vp-p(20usec./div.) GATE IC3201-30 DRIVER 2.0Vp-p(20usec./div.) IC3201-24 2.0Vp-p(20usec./div.)
  • Page 50 DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS...

  • Page 51: Interconnection Schematic Diagram & Schematic Diagram Notes

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 15 INTERCONNECTION SCHEMATIC DIAGRAM & SCHEMATIC DIAGRAM NOTES 15.1. INTERCONNECTION SCHEMATIC DIAGRAM FP6801 FP6202 OPR+3.3V OPR+3.3V REMOIRQ REMOIRQ DGND DGND KEY3 KEY3 KEY1 KEY1 PLAY PLAY FP8005 FP1901 P1902 VCOM VCOM OPERATION P.C.B. STH1 STH1...

  • Page 52: Schematic Diagram Notes

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 15.2. SCHEMATIC DIAGRAM NOTES This schematic diagram may be modified at any time with the development of new technology. Important safety notice: Components identified by mark have special characteristics important for safety. Furthermore, special parts which have purpose of fire-retardant (resistors), high-quality sound (capacitors), low-noise (resistors), etc.

  • Page 53: Schematic Diagram

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 16 SCHEMATIC DIAGRAM 16.1. CHARGE BATTERY SECTION (MAIN P.C.B. (1/10)) SCHEMATIC DIAGRAM :CHG SECTION :PWR SECTION :SRV SECTION :OPU SECTION :DV3 SECTION :VOUT SECTION :AOUT SECTION :OPR SECTION :LCD SECTION :XBS SECTION DVD-LS91EE/GN/GCS CHARGE BATTERY SECTION (MAIN P.C.B.(1/10))

  • Page 54: Power Supply Section (Main P.c.b. (2/10))

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 16.2. POWER SUPPLY SECTION (MAIN P.C.B. (2/10)) SCHEMATIC DIAGRAM :CHG SECTION :PWR SECTION :SRV SECTION :OPU SECTION :DV3 SECTION :VOUT SECTION :AOUT SECTION :OPR SECTION :LCD SECTION :XBS SECTION DVD-LS91EE/GN/GCS POWER SUPPLY SECTION (MAIN P.C.B.(2/10))

  • Page 55: Servo Section (Main P.c.b. (3/10)) Schematic Diagram

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 16.3. SERVO SECTION (MAIN P.C.B. (3/10)) SCHEMATIC DIAGRAM :CHG SECTION :PWR SECTION :SRV SECTION :OPU SECTION :DV3 SECTION :VOUT SECTION :AOUT SECTION :OPR SECTION :LCD SECTION :XBS SECTION DVD-LS91EE/GN/GCS SERVO SECTION (MAIN P.C.B.(3/10)) SCHEMATIC DIAGRAM...

  • Page 56: Optical Pick Up Section (Main P.c.b. (4/10))

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 16.4. OPTICAL PICK UP SECTION (MAIN P.C.B. (4/10)) SCHEMATIC DIAGRAM RF SIGNAL AUDIO SIGNAL :CHG SECTION :PWR SECTION :SRV SECTION :OPU SECTION :DV3 SECTION :VOUT SECTION :AOUT SECTION :OPR SECTION :LCD SECTION :XBS SECTION DVD-LS91EE/GN/GCS OPTICAL PICK UP SECTION (MAIN P.C.B.(4/10))

  • Page 57: Dv3 Section (Main P.c.b. (5/10)) Schematic Diagram

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 16.5. DV3 SECTION (MAIN P.C.B. (5/10)) SCHEMATIC DIAGRAM :CHG SECTION :PWR SECTION :SRV SECTION :OPU SECTION VIDEO SIGNAL :DV3 SECTION AUDIO SIGNAL :VOUT SECTION :AOUT SECTION RF SIGNAL :OPR SECTION :LCD SECTION :XBS SECTION DVD-LS91EE/GN/GCS DV3 SECTION (MAIN P.C.B.(5/10))

  • Page 58: Video Out Section (Main P.c.b. (6/10)) Schematic Diagram

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 16.6. VIDEO OUT SECTION (MAIN P.C.B. (6/10)) SCHEMATIC DIAGRAM VIDEO SIGNAL :CHG SECTION :PWR SECTION :SRV SECTION :OPU SECTION :DV3 SECTION :VOUT SECTION :AOUT SECTION DVD-LS91EE/GN/GCS :OPR SECTION VIDEO OUT SECTION :LCD SECTION (MAIN P.C.B.(6/10))

  • Page 59: Audio Out Section (Main P.c.b. (7/10)) Schematic Diagram

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 16.7. AUDIO OUT SECTION (MAIN P.C.B. (7/10)) SCHEMATIC DIAGRAM AUDIO SIGNAL :CHG SECTION :PWR SECTION :SRV SECTION :OPU SECTION :DV3 SECTION :VOUT SECTION :AOUT SECTION :OPR SECTION :LCD SECTION :XBS SECTION DVD-LS91EE/GN/GCS AUDIO OUT SECTION (MAIN P.C.B.(7/10))

  • Page 60: Operation Section (Main P.c.b. (8/10)) Schematic Diagram

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 16.8. OPERATION SECTION (MAIN P.C.B. (8/10)) SCHEMATIC DIAGRAM :CHG SECTION :PWR SECTION :SRV SECTION :OPU SECTION :DV3 SECTION :VOUT SECTION :AOUT SECTION :OPR SECTION :LCD SECTION :XBS SECTION DVD-LS91EE/GN/GCS OPERATION SECTION (MAIN P.C.B.(8/10)) SCHEMATIC DIAGRAM...

  • Page 61: Lcd If Section (Main P.c.b. (9/10)) Schematic Diagram

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 16.9. LCD IF SECTION (MAIN P.C.B. (9/10)) SCHEMATIC DIAGRAM :CHG SECTION :PWR SECTION :SRV SECTION :OPU SECTION :DV3 SECTION :VOUT SECTION :AOUT SECTION :OPR SECTION :LCD SECTION :XBS SECTION VIDEO SIGNAL DVD-LS91EE/GN/GCS LCD IF SECTION (MAIN P.C.B.(9/10))

  • Page 62: Diagram

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 16.10. XBS SECTION (MAIN P.C.B. (10/10)) SCHEMATIC DIAGRAM AUDIO SIGNAL :CHG SECTION :PWR SECTION :SRV SECTION :OPU SECTION :DV3 SECTION :VOUT SECTION :AOUT SECTION DVD-LS91EE/GN/GCS :OPR SECTION XBS SECTION :LCD SECTION (MAIN P.C.B.(10/10)) :XBS SECTION...

  • Page 63: Schematic Diagram

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 16.11. OPERATION SECTION (OPERATION P.C.B.) SCHEMATIC DIAGRAM DVD-LS91EE/GN/GCS OPERATION P.C.B. SCHEMATIC DIAGRAM...

  • Page 64: Inverter Section Schematic Diagaram

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 16.12. INVERTER SECTION SCHEMATIC DIAGARAM VIDEO SIGNAL DVD-LS91EE/GN/GCS INVERTER P.C.B. SCHEMATIC DIAGRAM...

  • Page 65: Circuit Board Assembly

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 17 CIRCUIT BOARD ASSEMBLY 17.1. MAIN P.C.B. (1/2) (COMPONENT SIDE) MAIN P.C.B. (1/2) DVD-LS91EE/GN/GCS MAIN P.C.B. (1/2) (RFKBLS91EET) (EE) (COMPONENT SIDE) (RFKBLS91GNT) (GN) (RFKBLS91GCS) (GCS)

  • Page 66: Main P.c.b. (2/2) (Foil Side)

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 17.2. MAIN P.C.B. (2/2) (FOIL SIDE) MAIN P.C.B. MAIN P.C.B. (2/2) Transistors Integrated Circuits CL1014 D-3 CL4001 F-6 CL6023 D-6 CP3017 Q1001 IC1001 CL1015 D-3 CL4002 E-4 CL6201 A-6 CP3018 Q1002 IC1003 CL1401 F-6 CL4003 F-6...

  • Page 67: Operation & Inverter P.c.b

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 17.3. OPERATION & INVERTER P.C.B. OPERATION P.C.B. INVERTER P.C.B. (1/2) INVERTER P.C.B. (2/2) OPERATION P.C.B. INVERTER P.C.B. Test Points Transistor TL6801 Q1901 TL6802 Integrated Circuit TL6803 IC1901 TL6804 Test Points TL6805 TL1901 TL6806 TL1902 TL6807...
  • Page 68 DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS...

  • Page 69: Exploded Views

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 18 EXPLODED VIEWS 18.1. Casing Parts & Mechanism Section Exploded View...

  • Page 70: Mechanism Section Exploded View

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 18.2. Mechanism Section Exploded View...

  • Page 71: Packing & Accessories Exploded View

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 18.3. Packing & Accessories Exploded View...

  • Page 72: Replacement Parts List

    DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS 19 REPLACEMENT PARTS LIST Notes: Ref. Part No. Part Name & Remarks Description *Important safety notice: RGU2458-S OPEN BUTTON Components identified mark have special RKF0732A-1S1 DISC COVER EE/GN RKF0732-1S1 DISC COVER characteristics important for safety.
  • Page 73 DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C1006 ECJ0EB1E102K 25V 1000P C1915 F1J1C4750003 16V 4.7U C1007 ECJ0EC1H101J 50V 100P C1917 F1J1C4750003 16V 4.7U C1015 ECJ1VB0J474K 6.3V 0.47U...
  • Page 74 DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C3058 ECJ0EF1C104Z 16V 0.1U C4020 F3F1A106A047 10V 10U C3059 ECJ0EF1C104Z 16V 0.1U C4022 ECJ0EF1C104Z 16V 0.1U C3060 ECJ1VB0J105K 6.3V 1U...
  • Page 75 DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C8010 ECJ1VB0J105K 6.3V 1U C8848 ECJ0EB1A104K 10V 0.1U C8011 ECJ1VB0J105K 6.3V 1U C8860 ECJ0EB1E102K 25V 1000P C8012 F3F1A226A047 10V 22U...
  • Page 76 DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description IC3002 RFKWDBA005AA (GCS) L1901 G1C150Z00004 COIL 15UH IC3004 MN2DS0009VP L3001 G1C100KA0055 CHIP INDUCTOR 10UH IC3007 C0EBE0000384 L3002 G1C100KA0055 CHIP INDUCTOR 10UH...
  • Page 77 DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R1042 ERJ2GEJ563X 1/16W 56K P1902 K1KA02BA0072 CONNECTOR(2P) R1043 ERJ2GEJ393X 1/16W 39K R1044 ERJ3GEYJ102V 1/10W 1K Q1001 B1DHCD000023 TRANSISTOR R1045...
  • Page 78 DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R3013 ERJ2GEJ330X 1/16W 33 R4064 ERJ2GE0R00X 1/16W 0 R3014 ERJ3RBD333V 1/16W 33K R4067 ERJ2GEJ334X 1/16W 330K R3015 ERJ2GEJ331X 1/16W 330...
  • Page 79 DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R6803 ERJ2GEJ472X 1/16W 4.7K R8616 ERJ2GEJ103X 1/16W 10K R6804 ERJ2GEJ682X 1/16W 6.8K R8617 ERJ2GEJ103X 1/16W 10K R6805 ERJ2GEJ153X 1/16W 15K...

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