Sylvania DV225SL8 Service Manual
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Sylvania DV225SL8 Service Manual

Dvd player & video cassette recorder
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SERVICE MANUAL
Main Section
I Specifications
I Preparation for Servicing
I Adjustment Procedures
I Schematic Diagrams
I CBA's
I Exploded Views
I Parts List
VIDEO CASSETTE RECORDER
DVD PLAYER &
DV225SL8
POWER
REW
F.FWD STOP/EJECT PLAY
REC/OTR
DV220SL8
POWER
REW
F.FWD STOP/EJECT PLAY
REC/OTR
When servicing the deck
mechanism, refer to MK14 Deck
Mechanism Section.
Deck Mechanism Part No.
DV225SL8: N2460FL
DV220SL8: N2440FL
OPEN/CLOSE
OUTPUT
VCR
DVD
PROGRESSIVE SCAN
STOP
PLAY
SKIP H
G
SKIP
TRACKING
REV
FWD
OPEN/CLOSE
OUTPUT
VCR
DVD
PROGRESSIVE SCAN
STOP
PLAY
SKIP H
G
SKIP
TRACKING
REV
FWD

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  • Page 1: Dvd Player

    MK14 Deck I Preparation for Servicing Mechanism Section. I Adjustment Procedures I Schematic Diagrams Deck Mechanism Part No. I CBA’s I Exploded Views DV225SL8: N2460FL I Parts List DV220SL8: N2440FL DVD PLAYER & VIDEO CASSETTE RECORDER DV225SL8 OPEN/CLOSE OUTPUT...
  • Page 2 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: Table Of Contents

    MAIN SECTION DVD PLAYER & VIDEO CASSETTE RECORDER DV225SL8/DV220SL8 Main Section I Specifications I Preparation for Servicing I Adjustment Procedures I Schematic Diagrams I CBA’s I Exploded Views I Parts List TABLE OF CONTENTS Specifications ................1-1-1 Laser Beam Safety Precautions .

  • Page 4: Specifications

    SP Mode 3-5. Freq. resp (R/P) at 200 Hz SP Mode (-20 dB ref. 1 kHz) at 8 kHz SP Mode 4. Hi-Fi Audio [ DV225SL8] 5-1. Output SP Mode 5-2. Dynamic Range SP Mode 5-3. Freq. resp (6 dB B.W)

  • Page 5: Dvd Section

    < DVD Section > Item Conditions Unit Nominal Limit 75 Ω load 1. Video Output ± 0.1 75 Ω load 2. Coaxial Digital Out mVpp ± 50 3. Audio (PCM) 1 kHz, 0 dB, 47k Ω load 3-1. Output Level Vrms 47k Ω...

  • Page 6: 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 30 cm away from the pickup lens when the diode is turned on.

  • Page 7: Important Safety Precautions

    IMPORTANT SAFETY PRECAUTIONS Product Safety Notice Also check areas surrounding repaired locations. J. Be careful that foreign objects (screws, solder Some electrical and mechanical parts have special droplets, etc.) do not remain inside the set. safety-related characteristics which are often not K.

  • Page 8: Safety Check After Servicing

    Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts, and wires have been returned to their original positions. Afterwards, do the following tests and confirm the specified values to verify compliance with safety standards. 1.

  • Page 9: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Circuit Board Indications Pb (Lead) Free Solder 1. The output pin of the 3 pin Regulator ICs is When soldering, be sure to use the Pb free solder. indicated as shown. How to Remove / Install Flat Pack-IC Top View Bottom View 1.
  • Page 10 3. The flat pack-IC on the CBA is affixed with glue, so With Soldering Iron: be careful not to break or damage the foil of each 1. Using desoldering braid, remove the solder from pin or the solder lands under the IC when all pins of the flat pack-IC.
  • Page 11 2. Installation With Iron Wire: 1. Using desoldering braid, remove the solder from 1. Using desoldering braid, remove the solder from all pins of the flat pack-IC. When you use solder the foil of each pin of the flat pack-IC on the CBA flux which is applied to all pins of the flat pack-IC, so you can install a replacement flat pack-IC more you can remove it easily.
  • Page 12 Instructions for Handling Semi- conductors Electrostatic breakdown of the semi-conductors may occur due to a potential difference caused by electrostatic charge during unpacking or repair work. 1. Ground for Human Body Be sure to wear a grounding band (1 MΩ) that is properly grounded to remove any static electricity that may be charged on the body.

  • Page 13: Preparation For Servicing

    PREPARATION FOR SERVICING How to Enter the Service Mode About Optical Sensors Caution: An optical sensor system is used for the Tape Start and End Sensors on this equipment. Carefully read and follow the instructions below. Otherwise the unit may operate erratically. What to do for preparation Insert a tape into the Deck Mechanism Assembly and press the [PLAY] button.

  • Page 14: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart Removal This flowchart indicates the disassembly steps to gain Remove/*Unhook/ Loc. Part Fig. Unlock/Release/ Note access to item(s) to be serviced. When reassembling, Unplug/Desolder follow the steps in reverse order. Bend, route, and dress the cables as they were originally. DVD Open/ [10] D6 *Desolder...
  • Page 15 5. Before installing the Deck Assembly, be sure to place the pin of LD-SW on Main CBA as shown in Fig. D6. Then, install the Deck Assembly while CN401 (S-3) aligning the hole of Cam Gear with the pin of LD- CN601 SW, the shaft of Cam Gear with the hole of LD-SW (S-3)
  • Page 16 (S-7) (S-7) (S-7) (S-8) [8] VCR Chassis Unit Fig. D5 1-6-3 E8E00DC...
  • Page 17 Cylinder Assembly FE Head ACE Head Assembly SW512 [9] Deck Assembly LD-SW (S-11) [11] Main CBA [9] Deck Assembly Cam Gear (S-9) [11] Main CBA Hole [10] DVD Shaft (S-10) Open/Close CBA Hole Desolder LD-SW Lead with [11] Main CBA blue stripe From From...
  • Page 18 3. HOW TO EJECT MANUALLY 1. Remove the Top Case, Front Assembly and Top Bracket. 2. Remove four Screws (S-3) in Fig. D3. Do not disconnect connectors. 3. While lifting up the DVD Mechanism, rotate the roulette in the direction of the arrow as shown below. 4.

  • Page 19: Electrical Adjustment Instructions

    ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note: “CBA” is abbreviation for Head Switching Position “Circuit Board Assembly.” Adjustment NOTE: Purpose: To determine the Head Switching position 1. Electrical adjustments are required after replacing during playback. circuit components and certain mechanical parts. Symptom of Misadjustment: May cause Head It is important to do these adjustments only after Switching noise or vertical jitter in the picture.

  • Page 20: How To Initialize The Dvd Player & Vcr

    HOW TO INITIALIZE THE DVD PLAYER & VCR To put the program back at the factory-default, initialize the DVD player & VCR as the following procedure. < DVD Section > 1. Press [DVD], [1], [2], [3], [4], and [DISPLAY] buttons on the remote control unit in that order. Fig.

  • Page 21: Firmware Renewal Mode

    FIRMWARE RENEWAL MODE 1. Turn the power on and remove the disc on the tray. " ******* " differs depending on the models. 2. To put the DVD player into version up mode, press [DVD], [9], [8], [7], [6], and [SEARCH MODE] F/W Version Up Mode Model No : ******* VERSION : *.**...

  • Page 22: Function Indicator Symbols

    FUNCTION INDICATOR SYMBOLS Note: If a mechanical malfunction occurs, the power is turned off. When the power comes on again after that by pressing [POWER] button, an error message is displayed on the TV screen for 5 seconds. Cause Indicator Active When reel or capstan mechanism is not “EJECT A R”...

  • Page 23: Block Diagrams

    BLOCK DIAGRAMS <VCR SECTION> Servo / System Control Block Diagram 1-11-1 E8E00BLS...
  • Page 24 Video Block Diagram 1-11-2 E8E00BLV...
  • Page 25 Audio Block Diagram (DV225SL8) E8E00BLA 1-11-3...
  • Page 26 Audio Block Diagram (DV220SL8) E8E01BLA 1-11-4...
  • Page 27 Hi-Fi Audio Block Diagram (DV225SL8) E8E00BLH 1-11-5...
  • Page 28 Power Supply Block Diagram 1-11-6 E8E00BLP...
  • Page 29 BLOCK DIAGRAMS <DVD SECTION> DVD System Control / Servo Block Diagram 1-11-7 E8E00BLSD...
  • Page 30 Digital Signal Process Block Diagram ADDRESS(0-19) MEMORY DATA(0-15) MEMORY 1-11-8 E8E00BLD...
  • Page 31 DVD Video / Audio Block Diagram 1-11-9 E8E00BLVD...

  • Page 32: Schematic Diagrams / Cba's And Test Points

    SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS Standard Notes WARNING Many electrical and mechanical parts in this chassis have special characteristics. These characteristics often pass unnoticed and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage, wattage, etc.
  • Page 33 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE. ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQES D'INCELE N'UTILISER QUE DES FUSIBLE DE MÊME TYPE. RISK OF FIRE-REPLACE FUSE AS MARKED.
  • Page 34 Main 1/8 Schematic Diagram < VCR Section > Comparison Chart of Models and Marks MODEL MARK DV225SL8 DV220SL8 E8E00SCM1 1-12-3...
  • Page 35 Main 2/8 & Sensor Schematic Diagram < VCR Section > E8E00SCM2 1-12-4...
  • Page 36 Main 3/8 Schematic Diagram < VCR Section > Comparison Chart of Models and Marks MODEL MARK DV225SL8 DV220SL8 E8E00SCM3 1-12-5...
  • Page 37 Main 4/8 Schematic Diagram < VCR Section > E8E00SCM4 1-12-6...
  • Page 38 Main 5/8 Schematic Diagram < VCR Section > Comparison Chart of Models and Marks MODEL MARK DV225SL8 DV220SL8 1-12-7 E8E00SCM5...
  • Page 39 Main 6/8 & DVD Open/Close Schematic Diagram < VCR Section > Comparison Chart of Models and Marks MODEL MARK DV225SL8 DV220SL8 E8E00SCM6 1-12-8...
  • Page 40 Otherwise it may cause some components in the power supply circuit to fail. Risk of fire-replace fuse as marked. Models and Marks "This symbol means fast operating fuse." "Ce symbole reprèsente un fusible à fusion rapide." MODEL MARK DV225SL8 DV220SL8 E8E00SCM7 1-12-9...
  • Page 41 Main 8/8 Schematic Diagram (DV225SL8) < VCR Section > 1-12-10 E8E00SCM8...
  • Page 42 DVD Main 1/3 Schematic Diagram < DVD Section > 1 NOTE: Either IC461 or IC462 is used for DVD MAIN CBA UNIT. 1-12-11 E8E00SCD1...
  • Page 43 DVD Main 2/3 Schematic Diagram < DVD Section > E8E00SCD2 1-12-12...
  • Page 44 DVD Main 3/3 Schematic Diagram < DVD Section > E8E00SCD3 1-12-13...
  • Page 45 Main CBA Top View Because a hot chassis ground is present in the power CAUTION ! DVD Open/Close CAUTION ! For continued protection against fire hazard, supply circut, an isolation transformer must be used. Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. CBA Top View Also, in order to have the ability to increase the input replace only with the same type fuse.
  • Page 46 Main CBA Bottom View Because a hot chassis ground is present in the power CAUTION ! CAUTION ! supply circut, an isolation transformer must be used. Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. For continued protection against fire hazard, Also, in order to have the ability to increase the input If Main Fuse (F1001) is blown , check to see that all components in the power supply...

  • Page 47: Waveforms

    WAVEFORMS NOTE: Input VCR: COLOR BAR SIGNAL (WITH 1KHz AUDIO SIGNAL) (WF1~WF3) DVD: POWER ON (STOP) MODE (WF4~WF6) CD: 1kHz PLAY (WF7~WF9) TP751 Pin 8 of CN1601 Pin 12 of CN1601 V-OUT E-E 0.2V 20µs AUDIO (L) 0.5ms VIDEO-Y 0.2V 20µs TP751 UPPER...

  • Page 48: Wiring Diagram < Vcr Section

    WIRING DIAGRAM < VCR SECTION > 1-14-1 E8E00WI...

  • Page 49: Wiring Diagram < Dvd Section

    WIRING DIAGRAM < DVD SECTION > E8E00WID 1-14-2...

  • Page 50: System Control Timing Charts

    SYSTEM CONTROL TIMING CHARTS < VCR Section > Mode SW: LD-SW LD-SW Position detection A/D Input voltage Limit Symbol (Calculated voltage) 3.76 V ~ 4.50 V (4.12 V) 4.51 V ~ 5.00 V (5.00 V) 0.00 V ~ 0.25 V (0.00 V) 1.06 V ~ 1.50 V (1.21 V) 0.66 V ~ 1.05 V (0.91 V) 1.99 V ~ 2.60 V (2.17 V)
  • Page 51 Still/Slow Control Frame Advance Timing Chart 1) SP Mode 18 RF-SW The first rise of RF-SW after a rise in F-AD signal F-AD (Internal Signal) "H" "H" "Z" C-DRIVE "L" "L" Stop detection (T2) Acceleration Detection (T1) Slow Tracking Value PB CTL Reversal Limit Value 20ms...
  • Page 52 2) LP/SLP Mode 18 RF-SW The first rise of RF-SW after a rise in F-AD signal F-AD (Internal Signal) "H" "H" "Z" C-DRIVE "L" "L" Stop detection (T2) Acceleration Detection (T1) Slow Tracking Value PB CTL Reversal Limit Value 20ms 27 C-F/R 79 H-A-SW 78 C-ROTA...
  • Page 53 EJECT ST-S/ END-S "OFF" CASS.LOAD LD-FWD 0.2S LD-REV 0.7S LD-FWD 0.4S LD-FWD 0.2S LD-REV 0.2S LD-FWD 0.5S LD-REV STOP(A) PLAY LD-FWD PLAY LD-FWD LD-REV 0.2S LD-FWD PLAY PLAY PAUSE (SLOW) LD-FWD STILL(SLOW) PLAY LD-REV 0.2S LD-FWD PLAY STOP /EJECT LD-REV STOP(A) Fig.
  • Page 54 STOP(A) STOP STOP(A) STOP LD-REV LD-REV 0.2S 0.2S LD-FWD LD-FWD STOP STOP /EJECT /EJECT 1.0S 1.0S LD-FWD LD-FWD 0.5S 0.5S LD-REV LD-REV STOP(A) STOP(A) LD-REV LD-REV 0.2S 0.2S LD-FWD LD-FWD STOP STOP /EJECT LD-REV /EJECT LD-REV 1.0S 1.0S LD-FWD LD-FWD 0.5S 0.5S LD-REV...
  • Page 55 < DVD Section > 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) Disc Drive 1.65V (TP301) 1.65V Focus Drive (TP304) Tracking Drive 1.65V (TP302) 1-15-6...

  • Page 56: Ic Pin Function Descriptions

    Function Name Level Comparison Chart of Models and Marks Not Used Model Mark Video Head OUT RF-SW Switching DV225SL8 Pulse DV220SL8 Dummy V-sync IC501 (SERVO/SYSTEM CONTROL/OSD) H/Hi-z SYNC Output “H” ≥ 4.5 V, “L” ≤ 1.0 V Not Used Signal...
  • Page 57 Signal Active Signal Active Mark Function Mark Function Name Level Name Level Composite Audio Mode VIDEO- HiFi/NOR- Video Signal Input (HiFi = “L” Output / Normal = “H”) Vss2 Vss2 Not Used Composite DVD Power DVD- IN VIDEO-IN Video Signal Monitor Signal POW- Input...
  • Page 58 Signal Active Mark Function Name Level TIMER Mode TIMER- LED Signal LED-L Output TIMER Mode TIMER- LED Signal LED-L Output Color Phase Rotary OUT C-ROTA Changeover Signal Video Head OUT H-A-SW Amp Switching Pulse Head Amp H-A- Comparator COMP Signal Notes: Abbreviation for Active Level: PWM ----- Pulse Wide Modulation...

  • Page 59: Lead Identifications

    LEAD IDENTIFICATIONS KRA103M-AT/P 2SC1815-Y(TE2 F T) KIA4558P/P KRC103M-AT/P KTC3198-Y-AT/P KTA-1266-GR-AT/P KTC3203-Y-AT/P KTA1267-Y-AT/P 2SC2001-T-A-K KTC3193-Y-AT/P KTC3199-(Y,BL)-AT/P E C B E C B MM1637XVBE PS2561A-1(W) SOT-26A 6 5 4 1: Anode 2: Cathode 3: Emitter 4: Collector 1 2 3 PQ1LAX95MSPQ CD4053BNSR RN1511(TE85R.F) 1: VREF 2: GND...

  • Page 60: Exploded Views

    2L051 RM2001 2L022 Comparison Chart of W002 F1001 Models and Marks 2L012 W011 Model Mark 2L054 DV225SL8 2B15 DV220SL8 2L041 DVD Open/Close CBA 2L091 AC1001 2L041 2L041 2L041 See Electrical Parts List for parts with this mark. Some Ref. Numbers are not in sequence.
  • Page 61 Packing Lower Side Upper Side Unit 1-18-2 E8E60PEX...

  • Page 62: Mechanical Parts List

    Don't degrade the safety of the product through improper servicing. NOTE: Parts that are not assigned part numbers (---------) are not available. Comparison Chart of Models and Marks Model Mark DV225SL8 DV220SL8 Ref. No. Mark Description Part No. FRONT ASSEMBLY E8C0AUD 1VM222800...

  • Page 63: Electrical Parts List

    C333 CHIP CERAMIC CAP . F Z 0.1µF/50V CHD1JZB0F104 Model Mark C336 CHIP CERAMIC CAP . B K 0.01µF/50V CHD1JKB0B103 DV225SL8 C339 CHIP CERAMIC CAP . B K 0.047µF/50V CHD1JKB0B473 DV220SL8 C340 CHIP CERAMIC CAP . B K 0.1µF/25V CHD1EKB0B104 C341 CHIP CERAMIC CAP .
  • Page 64 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. C459 ELECTROLYTIC CAP . 22µF/6.3V M H7 CE0KMAVSL220 C1006# SAFETY CAP . 3300pF/250V CCG2EMA0F332 C460 CHIP CERAMIC CAP . B K 4700pF/50V CHD1JKB0B472 C1007 ELECTROLYTIC CAP . 1000µF/6.3V M CE0KMASDL102 C461 CHIP CERAMIC CAP .
  • Page 65 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. D062 ZENER DIODE MTZJT-774.3C QDTC0MTZJ4R3 L502 RADIAL TYPE CHOKE COIL CW68- LLBD00PKV023 470K-841040NP D063 RECTIFIER DIODE 1N4005 NDQZ001N4005 L503 INDUCTOR 12µH-K-26T LLAXKATTU120 D080 RECTIFIER DIODE 1N4005 NDQZ001N4005 L504 PCB JUMPER D0.6-P5.0 JW5.0T D082...
  • Page 66 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. CARBON RES. 1/6W J 4.7k Ω CHIP RES. 1/10W J 47k Ω R075 RCX6JATZ0472 R463 RRXAJB5Z0473 CARBON RES. 1/4W J 8.2k Ω CHIP RES. 1/10W J 8.2k Ω R092 RCX4JATZ0822 R464...
  • Page 67 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. CHIP RES. 1/10W J 10k Ω CHIP RES. 1/10W J 220 Ω R618 RRXAJB5Z0103 R1354 RRXAJB5Z0221 CHIP RES. 1/10W J 10k Ω CHIP RES. 1/10W J 75 Ω R620 RRXAJB5Z0103 R1355...
  • Page 68 Ref. No. Mark Description Part No. JK754 RCA JACK MSP-281V40-B(B110) JXRL010LY138 JK755 RCA JACK 1P MSP-281V31-A(B110) JYRL010LY027 JK755 RCA JACK MSP-281V40-B(B110) JXRL010LY138 JK756 RCA JACK 2P MSP-282V-12 NILF(B11 JXRL020LY121 JK1202 RCA JACK MSP-281V41-B(B110) JXRL010LY140 JK1401 S TYPE JACK MDC-050V-2.4 LF(B110 JXEL040LY003 JK1403 RCA JACK MSP-283V-B-752 NI LF...
  • Page 69 Misuse of any trademarks or any other content in this manual is strictly prohibited. Funai shall aggressively enforce its intellectual property rights to the fullest extent of the law. DV225SL8/DV220SL8 E8E00/01UD 2007-02-05...

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