Sylvania 6520FDE Service Manual
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Sylvania 6520FDE Service Manual

Sylvania 6520FDE Service Manual

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SERVICE MANUAL
20" COLOR TV/DVD
6520FDE
EWC20D4
MSD520FE

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Summary of Contents for Sylvania 6520FDE

  • Page 1 SERVICE MANUAL 20" COLOR TV/DVD 6520FDE EWC20D4 MSD520FE...

  • Page 2: Table Of Contents

    IMPORTANT SAFETY NOTICE Proper service and repair is important to the safe, reliable operation of all Funai Equipment. The service procedures recommended by Funai and described in this service manual are effective methods of performing service operations. Some of these service special tools should be used when and as recommended.

  • Page 3: Specifications

    SPECIFICATIONS < TV Section > *Test input terminal <Except Tuner>-------------Video input (1Vp-p) Audio input (-10dB) <Tuner>-----------------------Ant. input (80dBµV) Video: 87.5% Audio: 25kHz dev (1kHz Sin) <DEFLECTION> Description Condition Unit Nominal Limit 1. Over Scan — — Horizontal — ± 18 2.
  • Page 4 <DVD Section> ITEM CONDITIONS UNIT NOMINAL LIMIT 1. Coaxial Digital Out 75 ohm load mVpp ± 100 NOTES: 1. All Items are measured without pre-emphasis unless otherwise specified. 2. Power supply : AC120 V 60 Hz 3. Load imp. : 100 K ohm °...

  • Page 5: Laser Beam Safety Precautions

    LASER BEAM SAFETY PRECAUTIONS This DVD player uses a pickup that emits a laser beam. Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin. The laser beam is emitted from the location shown in the figure. When checking the laser diode, be sure to keep your eyes at least 30cm away from the pickup lens when the diode is turned on.

  • Page 6: Important Safety Precautions

    IMPORTANT SAFETY PRECAUTIONS Prior to shipment from the factory, our products are strictly inspected for recognized product safety and electrical codes of the countries in which they are to be sold. However, in order to maintain such compliance, it is equally important to implement the following precautions when a set is being serviced.
  • Page 7 ing is performed that involves B+, horizontal de- earth ground. If a voltage reading in excess of 1.0V flection or high voltage. Correct operation of the is obtained, remove and reinsert the AC power X-radiation protection circuits also must be recon- plug in the opposite polarity and again measure firmed each time they are serviced.
  • Page 8 Precautions during Servicing H. When a power cord has been replaced, check that 5~6 kg of force in any direction will not loosen it. A. Parts identified by the ( # ) symbol are critical for I. Also check areas surrounding repaired locations. safety.
  • Page 9 Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, Chassis or Secondary Conductor parts and wires have been returned to original posi- tions. Afterwards, perform the following tests and con- Primary Circuit Terminals firm the specified values in order to verify compliance with safety standards.

  • Page 10: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Circuit Board Indications Pb (Lead) Free Solder Pb free mark will be found on PCBs used Pb free 1. The output pin of the 3 pin Regulator ICs is indi- solder. (Refer to figure.) For PCBs with Pb free cated as shown: mark, be sure to use Pb free solder.
  • Page 11 b. Affix the wire to a workbench or solid mounting point, as shown in Fig. S-1-5. Desoldering Braid c. Pull up on the wire as the solder melts so as to lift Flat Pack-IC the IC leads from the CBA contact pads, while heating the pins using a fine tip soldering iron or hot air blower.
  • Page 12 Instructions for Handling Semiconductors Example : Electrostatic breakdown of the semiconductors may occur due to a potential difference caused by electro- static charge during unpacking or repair work. Ground for Human Body Be sure to wear a grounding band (1MΩ) that is prop- erly grounded to remove any static electricity that may be charged on the body.

  • Page 13: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart (1): Order of steps in Procedure. When reassembling, follow the steps in reverse order.These numbers are also used as the identification (location) No. of This flowchart indicates the disassembly steps for the parts in Figures. cabinet parts, and the CBA in order to gain access to item(s) to be serviced.
  • Page 14 (S-1) (S-2) (S-1) (S-1) [1] REAR CABINET Fig. 1 Anode Cap (S-3) CRT CBA (S-3) (S-3) [3] CRT (S-3) Fig. 2 1-5-2 T9000DC...
  • Page 15 [2] Tray Chassis Unit (S-5) Loader Cover (S-4) (S-4) [4] DVD Mechanism (S-7) (S-7) (S-7) (S-7) (S-6) (S-7) Shield Box [6] Main CBA DVD Main CL001 CL002 CBA Unit CN201 CN301 (S-8) Fig. 3 1-5-3 T9000DC...
  • Page 16 DVD Mechanism Short the three short lands by soldering. (Either of two places.) Connector View for A Fig. 4 1-5-4 T9000DC...
  • Page 17 ANODE CRT CBA DVD MAIN CBA UNIT CL501A CN201 SCREEN CN301 CN505 FOCUS CNB1 CNA1 SPEAKER CN1802 CN1601 AC CORD CL501B MAIN CBA CN1571 T1571 CN1801 CL002 CL001 SPEAKER Fig. 5 1-5-5 T9000DC...

  • Page 18: Electrical Adjustment Instructions

    3. Adjust VR1601 so that the voltage of J2002 (+B) becomes +114±0.5V DC. 1. Prepare remote control unit. (Part No. NE220UD --- [ 6520FDE ]) (Part No. NE221UD --- [ EWC20D4 ]) (Part No. NE224UD --- [ MSD520FE ]) Remove 4 screws from the back lid. (Fig. 1-1) SCREW Fig.
  • Page 19 2. Setting for CONTRAST, 3-1. C-Trap Adjustment COLOR, TINT, V-TINT and Purpose: To get minimum leakage of the color signal SHARP data Values carrier. Symptom of Misadjustment: If C-Trap Adjustment is General incorrect, stripes will appear on the screen. 1. Enter the Service mode. (See page 1-6-1.) 2.
  • Page 20 3-2. Y DL Time TV/Y DL Time EXT/ Y SW LPF/Black Stretch Off/ C-TRAP Adjustment (Factory mode) Black Stretch CONT/C. Angle "0" Adjustment button button C-TRP 0 C-TRP 1 Purpose: To get minimum leakage of the color signal carrier. button Symptom of Misadjustment: If Y DL Time Adjust- "0"...
  • Page 21 4. V. Size Adjustment 6. H. Position Adjustment Purpose: To obtain correct vertical height of screen Purpose: To obtain correct horizontal position of image. screen image. Symptom of Misadjustment: If H. Position is incor- Symptom of Misadjustment: If V. Size is incorrect, rect, horizontal position of image on the screen may vertical height of image on the screen may not be not be properly displayed.
  • Page 22 7. White Balance Adjustment 8. Sub-Brightness Adjustment Purpose: To mix red, green and blue beams correctly Purpose: To get proper brightness. for pure white. Symptom of Misadjustment: If Sub-Brightness is incorrect, proper brightness cannot be obtained by Symptom of Misadjustment: White becomes bluish adjusting the Brightness Control.
  • Page 23 9. Focus Adjustment 10. H f o Adjustment Purpose: To get correct horizontal frequency. Purpose: Set the optimum Focus. Symptom of Misadjustment: If H f 0 adjustment is in Symptom of Misadjustment: If Focus Adjustment is correct, skew distortion will appear on the screen. incorrect, blurred images are shown on the display.
  • Page 24 11. Cut-off Adjustment The following 2 adjustments normally are not attempted in the field. They should be done Purpose: To adjust the beam current of R, G, B, and only when replacing the CRT then adjust as a screen voltage. preparation.
  • Page 25 13. Convergence Adjustment Purpose: To obtain proper convergence of red, green and blue beams. Symptom of Misadjustment: If Convergence Adjust- ment is incorrect, the edge of white letters may have color edges. Test point Adj. Point Mode Input C.P. Magnet (RB), Dot Pattern C.P.

  • Page 26: Firmware Renewal Mode

    FIRMWARE RENEWAL MODE 1. Turn the power on and press [SELECT] button on 5. After programming is finished, the tray opens auto- the remote control unit to put the DVD player into matically. Fig. e appears on the screen and the DVD mode.

  • Page 27: Block Diagrams

    BLOCK DIAGRAMS < TV Section > System Control Block Diagram 1-8-1 T9000BLS...
  • Page 28 IF/Video Block Diagram 1-8-2 T9000BLIF...
  • Page 29 Audio Block Diagram 1-8-3 T9000BLA...
  • Page 30 CRT/H.V. Block Diagram 1-8-4 T9000BLCRT...
  • Page 31 Power Supply Block Diagram 1-8-5 T9000BLP...
  • Page 32 BLOCK DIAGRAMS < DVD Section > DVD System Control / Servo Block Diagram 1-8-6 T9000BLSD...
  • Page 33 Digital Signal Process Block Diagram 1-8-7 T9000BLD...
  • Page 34 DVD Audio Block Diagram 1-8-8 T9000BLAD...

  • Page 35: Schematic Diagrams / Cba's And Test Points

    SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS Standard Notes Note: 1. Do not use the part number shown on these draw- Warning ings for ordering. The correct part number is shown in the parts list, and may be slightly different or Many electrical and mechanical parts in this chassis amended since these drawings were prepared.
  • Page 36 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE_A,_V FUSE. ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE MÊME TYPE DE_A,_V. 2.
  • Page 37 Main 1/6 Schematic Diagram < TV Section > AUDIO (TV/LINE) SIGNAL VIDEO (TV/LINE) + DVD VIDEO SIGNAL DVD AUDIO SIGNAL VIDEO (TV/LINE) SIGNAL DVD VIDEO SIGNAL DATA (AUDIO) SIGNAL MAIN 1/6 Ref No. Position IC1201 TRANSISTORS Q1285 Q1301 Q1303 Q1304 Q1305 TEST POINTS TP1301...
  • Page 38 Main 2/6 Schematic Diagram < TV Section > VIDEO (TV/LINE) SIGNAL AUDIO (TV/LINE) SIGNAL MAIN 2/6 Ref No. Position IC1001 IC1202 1-9-5 1-9-6 T9000SCM2...
  • Page 39 Main 3/6 Schematic Diagram < TV Section > DVD VIDEO SIGNAL AUDIO (TV/LINE) SIGNAL DVD AUDIO SIGNAL DATA (AUDIO) SIGNAL MAIN 3/6 Ref No. Position IC1801 IC1802 CONNECTORS CL002 CN1801 CN1802 TEST POINTS TP1401 TP1402 TP1403 TP1404 TP1405 TP1732 TP1733 TP1734 1-9-7 1-9-8...
  • Page 40 Main 4/6 Schematic Diagram < TV Section > CAUTION ! Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. CAUTION: FOR CONTINUED PROTECTION AGAINST RISK NOTE : If Main Fuse (F1601) is blown, check to see that all components in the power supply OF FIRE, REPLACE ONLY WITH SAME TYPE 4A, 125V FUSE.
  • Page 41 Main 5/6 Schematic Diagram < TV Section > MAIN 5/6 Ref No. Position IC1602 IC1603 AA-3 IC1604 TRANSISTORS Q1609 Q1615 BB-3 Q1619 AA-3 CONNECTOR CL001 CC-3 T9000SCM5 1-9-11 1-9-12...
  • Page 42 Main 6/6 & CRT Schematic Diagram < TV Section > MAIN 6/6 Ref No. Position Ref No. Position TRANSISTORS HH-1 IC1551 DD-3 Q511 TRANSISTORS HH-2 Q521 Q1571 FF-2 Q531 HH-2 Q1572 EE-3 CONNECTORS Q1591 EE-2 CN505 II-1 CONNECTORS CL501A GG-2 GG-2 CL501B CN1571...
  • Page 43 DVD Main 1/3 Schematic Diagram < DVD Section > DATA(VIDEO+AUDIO) SIGNAL DVD MAIN 1/3 Ref No. Position IC201 IC202 IC301 IC461 IC462 TRANSISTORS Q251 Q252 Q253 Q254 Q1001 Q1002 Q1003 CONNECTORS CN201 CN301 CNA1 1-9-16 T9000SCD1 1-9-15...
  • Page 44 DVD Main 2/3 Schematic Diagram < DVD Section > DATA(VIDEO+AUDIO) SIGNAL DATA (AUDIO) SIGNAL DVD MAIN 2/3 DVD VIDEO SIGNAL Ref No. Position IC101 1-9-17 1-9-18 T9000SCD2...
  • Page 45 IC101 VOLTAGE CHART PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----...
  • Page 46 DVD Main 3/3 Schematic Diagram < DVD Section > DVD VIDEO SIGNAL DATA (AUDIO) SIGNAL DVD AUDIO SIGNAL DVD MAIN 3/3 Ref No. Position IC103 IC501 IC502 IC601 TRANSISTORS Q1004 Q1005 CONNECTOR CNB1 1-9-21 1-9-22 T9000SCD3...
  • Page 47 Main CBA Top View < TV Section > CAUTION ! BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER CAUTION: FOR CONTINUED PROTECTION AGAINST RISK Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. OF FIRE, REPLACE ONLY WITH SAME TYPE 4A, 125V FUSE.
  • Page 48 Main CBA Bottom View < TV Section > BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER CAUTION: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 4A, 125V FUSE. SUPPLY CIRCUIT, AN ISOLATION TRANSFORMER MUST BE USED. CAUTION ! ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE ALSO, IN ORDER TO HAVE THE ABILITY TO INCREASE THE INPUT...
  • Page 49 CRT CBA Top View < TV Section > CRT CBA Bottom View < TV Section > CRT CBA Ref No. Position TRANSISTORS Q511 Q521 Q531 CONNECTORS CN505 CL501A WF15 WF14 WF13 Q531 Q531 Q521 Q521 Q511 Q511 Base Collector Base Collector Collector Base...

  • Page 50: Waveforms

    WAVEFORMS X5SWF 1-10-1...

  • Page 51: Wiring Diagram

    WIRING DIAGRAM T9000WI 1-11-1...

  • Page 52: System Control Timing Charts

    SYSTEM CONTROL TIMING CHARTS Tray Close ~ Play / Play ~ Tray Open Tray Disc Disc Tray Play Close Rotation Stop Open 3.3V Tray IN (TL221) Sled Drive 1.65V (TP303) 1.65V Disc Drive (TP301) 1.65V Focus Drive (TP304) Tracking Drive 1.65V (TP302) 1-12-1...

  • Page 53: Ic Pin Functions

    IC PIN FUNCTIONS IC1201 (TV Micro Controller) Signal Name Function Signal Name Function AUDIO ATT Audio Output L OUT(L) AUDIO ATT Audio Filter N.U. Not Used FILTER N.U. Not Used 36 AUX1(R)IN DVD Audio Input R TEST1 TEST 1 37 V RAMP F/B V Ramp Feed Back 38 V RAMP OUT Vertical Output...
  • Page 54 Signal Name Function 66 KEY-0 Key Input 0 67 KEY-1 Key Input 1 68 N.U. Not Used 69 AFT AFT Voltage Input 70 REMOTE Input for Remote Control 71 N.U. Not Used 72 SPOT-KILL Spot Countermeasure 73 P-SAFETY 1 Power Supply Protection 74 P-SAFETY 2 Power Supply Protection 75 P-SAFETY 3...

  • Page 55: Lead Identifications

    LEAD IDENTIFICATIONS 2SC2785(F,H,J) 2SA1015-GR(TPE2) BR24C02F-W 2SC3400 2SA1175(F) BR24L02F-WE2 BA1F4M-T 2SA950(O,Y) CAT24WC02JI BN1F4M-T 2SC1627Y-TPE2 M24C02-WMN6 KRA103M 2SC1815-GR(TPE2) KRC103M 2SC2120-O-TPE2 KTA1266(GR) 2SC2120-Y(TPE2) KTC3199(GR) 2SC2482 TPE6 KTC3203(Y) 2SD400(E,F) KTA1267(GR) KTA1271(Y) KTC3198(GR) E C B E C B 2SK3563 AN15524A KIA431-AT LA78040A LTV-817C-F PC817X6 S: Souce D: Drain AN17811A...

  • Page 56: Exploded Views

    TAPE SGT-730 (BLACK) V501-2 Scotch Tape #880 SHINWHA TAPE SGT-730 V501-1 (WHITE) L551 V501-3 CLN551 L551 CRT CBA [ 6520FDE ] TB12 Scotch Tape #880 TB14 DG601 W1601 V501 A1-1 SP1802 CL1802 TB10 A1-6 A1-5 MAIN CBA...
  • Page 57 Packing Tape Packing Tape Packing Tape Packing Packing Tape Tape Packing Tape [ EWC20D4 ] [ EWC20D4/MSD520FE ] Packing Tape [ 6520FDE ] 1-15-3 T9000PEX...

  • Page 58: Mechanical Parts List

    Comparison Chart of Models and Marks P-TIGHT SCREW 3X8 BIND + GBMP3080 SCREW, P-TIGHT 3X16 BIND HEAD + GBMP3160 Model Mark V501# CRT A51MAJ196X TCRT190PTD02 6520FDE V501-1 C.P .MAGNET JH225-014 or XM04000BV009 EWC20D4 CPM E-225-F01 XM04000ETC01 MSD520FE V501-2# WEDGE FT-00110W or...

  • Page 59: Electrical Parts List

    ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. C1048 ELECTROLYTIC CAP . 10µF/25V M or CE1EMASDL100 Before replacing any of these components, read care- ELECTROLYTIC CAP . 10µF/25V M CE1EMASTL100 fully the product safety notice in this service manual.
  • Page 60 Ref. No. Description Part No. Ref. No. Description Part No. C1313 ELECTROLYTIC CAP . 100µF/16V M or CE1CMASDL101 METALLIZED FILM CAP . 0.0082µF/1.6KV J or CT3C822F7004 ELECTROLYTIC CAP . 100µF/16V M CE1CMASTL101 POLYPROPYLENE FILM CAP . 0.0082µF/1.6KV CT3C822HJE16 C1314 CHIP CERAMIC CAP . CH D 10pF/50V CHD1JDBCH100 C1581 CERAMIC CAP .
  • Page 61 Ref. No. Description Part No. Ref. No. Description Part No. C1640 ELECTROLYTIC CAP . 1000µF/16V M or CE1CMZPDL102 STRAIGHT CONNECTOR BASE 00 8283 0212 00 CN1802 J383C02UG002 000 or ELECTROLYTIC CAP . 1000µF/16V M(VR/HC) CE1CMZNTL102 STRAIGHT PIN HEADER, 2P 173981-2 1770258 C1642 CHIP CERAMIC CAP .
  • Page 62 Ref. No. Description Part No. Ref. No. Description Part No. D1591# ZENER DIODE MTZJT-7736B or QDTB00MTZJ36 ZENER DIODE DZ-5.6BSCT265 NDTC0DZ5R6BS ZENER DIODE DZ-36BSBT265 NDTB00DZ36BS D1650# SWITCHING DIODE 1SS133(T-77) or QDTZ001SS133 D1595# ZENER DIODE MTZJT-7720C or QDTC00MTZJ20 SWITCHING DIODE 1N4148 NDTZ001N4148 ZENER DIODE DZ-20BSCT265 NDTC00DZ20BS D1652#...
  • Page 63 Ref. No. Description Part No. Ref. No. Description Part No. INDUCTOR 0.47µH-K-26T LLAXKDTKAR47 TRANSISTOR KTC3199(GR) or NQS10KTC3199 L1851 PCB JUMPER D0.6-P5.0 JW5.0T TRANSISTOR KTC3198(GR) or NQS40KTC3198 L1852 INDUCTOR 2.2µH-K-5FT or LLARKBSTU2R2 TRANSISTOR 2SC1815-GR(TPE2) QQS102SC1815 INDUCTOR 2.2µH-K-5FT LLARKDSKA2R2 Q1608 TRANSISTOR KTC3199(GR) or NQS10KTC3199 L1853 INDUCTOR 2.2µH-K-5FT or...
  • Page 64 Ref. No. Description Part No. Ref. No. Description Part No. CHIP RES.(1608) 1/10W J 100k Ω CARBON RES. 1/4W J 1.5k Ω R1220 RRXAJB5Z0104 R1552 RCX4JATZ0152 CHIP RES.(1608) 1/10W J 100k Ω CARBON RES. 1/4W J 1 Ω R1221 RRXAJB5Z0104 R1556 RCX4JATZ01R0 CHIP RES.(1608) 1/10W J 1k Ω...
  • Page 65 Ref. No. Description Part No. Ref. No. Description Part No. METAL OXIDE FILM RES. 2W J 3.9 Ω CHIP RES.(1608) 1/10W J 22k Ω RN023R9DP004 R1682 RRXAJB5Z0223 CARBON RES. 1/4W J 150 Ω CARBON RES. 1/4W J 4.7 Ω R1613 RCX4JATZ0151 R1686# RCX4JATZ04R7...
  • Page 66 Ref. No. Description Part No. Ref. No. Description Part No. TACT SWITCH TC-1104(H=5.0) SST0101DNG02 SURGE ABSORBER CNR-07D471K or NVQZR07D471K SW1207 TACT SWITCH SKQSAB or SST0101AL038 SURGE ABSORBER PVR-07D471KB NVQZ07D471KB TACT SWITCH SKHHAM or SST0101AL029 SF1001 SAW FILTER SAFHM45M7VAAZ00B03 FBB456PMR010 TACT SWITCH KSM0612B or SST0101HH003 SG1601# GAP .
  • Page 67 Ref. No. Description Part No. COILS L501 INDUCTOR 180µH-J-5FT or LLARJCSTU181 INDUCTOR 180µH-K-5FT LLARKDSKA181 TRANSISTORS Q511 TRANSISTOR 2SC2482 TPE6 QQSZ02SC2482 Q521 TRANSISTOR 2SC2482 TPE6 QQSZ02SC2482 Q531 TRANSISTOR 2SC2482 TPE6 QQSZ02SC2482 RESISTORS METAL OXIDE FILM RES. 1W J 15k Ω or R510 RN01153ZU001 METAL OXIDE FILM RES.
  • Page 68 6520FDE/EWC20D4/MSD520FE T9000UA/T9004UE/T9008UJ 2004-03-31...

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