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Toshiba SD-2715 Service Manual

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See also: Owner's Manual
FILE NO. 810-200106
SERVICE MANUAL
DVD VIDEO PLAYER
SD-2715
SD-2705
A UGUST , 2001

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Summary of Contents for Toshiba SD-2715

  • Page 1 FILE NO. 810-200106 SERVICE MANUAL DVD VIDEO PLAYER SD-2715 SD-2705 A UGUST , 2001...
  • Page 2 CONTENTS SECTION 1 ..SUMMARY SECTION 2 ..CABINET & MAIN CHASSIS SECTION 3 ..ELECTRICAL SECTION 4 ..MECHANISM/PARTS LIST...
  • Page 3 SECTION 1 SUMMARY CONTENTS OWNER’S MANUAL(SD-2715) ....................1-2 PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS ... 1-24 SERVICING PRECAUTIONS ....................1-25 • General Servicing Precautions • Insulation Checking Prodedure • Electrostatically Sensitive Devices...
  • Page 4 MODEL:SD-2715...
  • Page 5 MODEL:SD-2715...
  • Page 6 MODEL:SD-2715...
  • Page 7 MODEL:SD-2715...
  • Page 8 MODEL:SD-2715...
  • Page 9 MODEL:SD-2715...
  • Page 10 MODEL:SD-2715...
  • Page 11 MODEL:SD-2715...
  • Page 12 MODEL:SD-2715 1-10...
  • Page 13 1-11 MODEL:SD-2715...
  • Page 14 MODEL:SD-2715 1-12...
  • Page 15 1-13 MODEL:SD-2715...
  • Page 16 MODEL:SD-2715 1-14...
  • Page 17 1-15 MODEL:SD-2715...
  • Page 18 MODEL:SD-2715 1-16...
  • Page 19 1-17 MODEL:SD-2715...
  • Page 20 MODEL:SD-2715 1-18...
  • Page 21 1-19 MODEL:SD-2715...
  • Page 22 MODEL:SD-2715 1-20...
  • Page 23 1-21 MODEL:SD-2715...
  • Page 24 MODEL:SD-2715 1-22...
  • Page 25 1-23 MODEL:SD-2715...
  • Page 26 PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS CAUTION : DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY, SUBJECT : X-RADIATION NEVER PERFORM CUSTOMIZED INSTALLATIONS WITHOUT MANUFAC- 1. BE SURE PROCEDURES AND INSTRUCTIONS TO ALL SERVICE PER- TURER’S APPROVAL. UNAUTHORIZED MODIFICATIONS WILL NOT ONLY SONNEL COVER THE SUBJECT OF X-RADIATION.

  • Page 27: Servicing Precautions

    SERVICING PRECAUTIONS CAUTION : Before servicing the DVD covered by this service Electrostatically Sensitive (ES) Devices data and its supplements and ADDENDUMS, read and fol- Some semiconductor (solid state) devices can be damaged low the SAFETY PRECAUTIONS. NOTE : if unforeseen cir- easily by static electricity.

  • Page 28: Table Of Contents

    SECTION 2 CABINET & MAIN CHASSIS CONTENTS 1. DISASSEMBLY .........................2-2 CABINET DISASSEMBLY ......................2-2 CIRCUIT BOARD DISASSEMBLY ....................2-3 2. EXPLODED VIEWS ........................2-4 1. Cabinet and Main Frame Section ...................2-4 2. Packing Accessory Section ....................2-5...

  • Page 29: Disassembly

    DISASSEMBLY CAUTION BEFORE STARTING SERVICING Electronic parts are susceptible to static electricity and may easily damaged, so do not forget to take a proper grounding treatment as required. Many screws are used inside the unit. To prevent missing, dropping, etc. of the screws, always use a magnetized screw driver in servicing.

  • Page 30: Circuit Board Disassembly

    CIRCUIT BOARD DISASSEMBLY Note: Before removing the main circuit board, be sure to shortcircuit the laserdiode output land. After replacing the main circuit board, open the land after inserting the flexible connector. (Refer to Mechanism Disassembly) 1. Disassemble Main circuit board, Jack 2.

  • Page 31: Exploded Views

    EXPLODED VIEWS 1. Cabinet and Main Frame Section...

  • Page 32: Packing Accessory Section

    2.Packing Accessory Section 810 CABLE SET ASS'Y BATTERY OWNER'S MANUAL REMOCON PACKING SHEET PACKING PACKING BOX CARTONX OPTIONAL PARTS...
  • Page 33 SECTION 3 ELECTRICAL CONTENTS ELECTRICAL TROUBLESHOOTING GUIDE ..............3-2 1. Power(SMPS) Circuit.......................3-2 2. µ-com Circuit..........................3-3 3. MPEG Circuit..........................3-6 4. Front Circuit(Digitron & Key) ....................3-7 5. RF/Servo Circuit ........................3-8 BLOCK DIAGRAMS ........................3-12 1. Overall Block Diagram ......................3-12 2. Power (SMPS) Block Diagram....................3-13 3.

  • Page 34: Electrical Troubleshooting Guide

    ELECTRICAL TROUBLESHOOTING GUIDE 1. Power(SMPS) Circuit No 5V_D No FLD or 5V_A . Is 5.2VA section working? Is 5.2VA section working? (Is the POWER CTL at Pin6 High/low?) Is oscillation present at the Are D109, L103 open? Base of Q108? No 5.2VA.

  • Page 35: Μ-Com Circuit

    2. µ-COM Circuit A. No Power POWER ON Do “Hello” appear at FLD? Is P3901 Do “DV 50” Bars appear? connected normally? Reconnect it. Does Logo appear Check power. on the screen? (Refer to power) If power is normal Is P3901 Pin 8, 9, 18 normal? Refer to Front Part The waveform Is oscillation of...
  • Page 36 B. Audio abnormal C. Video abnormal AUDIO ABNORMAL VIDEO ABNORMAL Check Audio jack. Check Video jack. YES (If OK) YES (If OK) Refer to Audio part. Refer to Video part. YES (If OK) YES (If OK) Refer to Decoder part. Refer to PANTERA part.
  • Page 37 E. Picture abnormal PICTURE ABNORMAL Check the disc. Refer to Servo part If OK Check DSP YES (If OK) Check PANTERA YES (If OK) Replace B/D F. Disc Error DISC ERROR Check Disc YES (If OK) Refer to Servo part YES (If OK) Replace B/D...
  • Page 38 3. PANTERA Circuit Power is on Does TOSHIBA Logo appear Check power & clock. on the screen? Does the Check CD/DVD DSP output Is PANTERA moving picture of the DVD Disc play on the screen data signal normal? signal. normally?

  • Page 39: Front Circuit(Digitron & Key)

    4. Front Circuit (Digitron & key) START Power on. Is oscillation of Check Power. LED ON? X901 normal? Check waveform Is Digitron on normally? Replace IC902. of IC901 Pin 6. Do all the Is waveform of IC901 Check waveform buttons work Pin 40 normal? of IC901 Pin 22.

  • Page 40: Rf/Servo Circuit

    5. RF/Servo Circuit CHECK POINT(General) Does signal goes "High" to IC201 Pin194 when the power is on? Does signal pulse Check "2.PANTERA Part". input to IC201 Pins 58, 59 when the powe is on? Does Does Replace X201 or IC206 TTL pulse output to 33.8688MHz clock input (30MHz clock defect)
  • Page 41 No disc .Power on Check loading Part. Push Pick-up to inner track to Does tray open or close? the end by hand. Does DECK assembly is defective. PMD03 Pin 6 change (Limit sw) high to low? Pressing the open/close key repeatedly, check the voltage of IC2M1 check PANTERA Part.
  • Page 42 DISC IN OPEN/CLOSE Fig.3. FOCUS ERROR waveform Check Check IC2A1 Pin 11,12,13,14 the focus error moving the FOCUS ON? lens up and down. in DVD Mode (IC2A1 Pin 42) IC201 no output : Pick-up is defective. Does the TTL level change at IC201 Replace IC201.
  • Page 43 CHECK A Fig.5. RF waveform Check RF Eye-Pattern. Check IC2A1 Pins 5, 6, 7, 8. No signal: Pick-up is defective RF : 1.5-1.6V(IC2A1 Pin 57) Does the sawtooth waveform emit See the eye-pattern vivid? Does the 1.6V emit? Replace IC2A1. at IC2A1 Pin 41? Replace IC201.

  • Page 44: Block Diagrams

    BLOCK DIAGRAMS 1. Overall Block Diagram , PAL_SW , AUTO_SW , MIC_ON DAC_RST PWEO /FLASH_CS , /RD /SRST PSENB CPLD SBADD , MIRR,TZC,PI,TE FE,DFECT_IN XLAT , E_STI , E_ENB , E_DR CPLD SPINDLE FOCUS,TRACKING,SLED LOADING DECK M ECHANI SM 3-12...

  • Page 45: Power(Smps) Block Diagram

    2. Power(SMPS) Block Diagram TRANS SWI TCHI NG TR RECTI FI ER L I NE FI L TER 3-13...

  • Page 46: Rf/Cd Dsp/Dvd Dsp/Dvd Servo Block Diagram

    3. RF/CD DSP/DVD DSP/DVD SERVO Block Diagram ICDATA[00:15] ICADDR[0:8] 3-14...

  • Page 47: Audio Block Diagram

    4. Audio Block Diagram 3-15...

  • Page 48: Mpeg Block Diagram

    5. MPEG Block Diagram AD[ 00 : 19 ] 3-16...

  • Page 49: Circuit Diagrams

    CIRCUIT DIAGRAM NOTE : 1. Shaded( ) parts are critical for safety. Replace only with specified part number. 1. POWER(SMPS) CIRCUIT DIAGRAM 2. Voltages are DC-measured with a digital voltmeter during Play mode. Oscillation abnormal Digitron no Power 8V line dead No Power 3.3V line dead.

  • Page 50: Dvd Dsp Circuit Diagram

    2. DVD DSP CIRCUIT DIAGRAM µ-com µ-com CD/DVD picture Interface Data Interface adress Spindle Servo fail audio abnormal MPEG Interface DVD/CD picture Line audio abnormal Tracking/Focus Servo fail Disc Detect Error Tracking Servo fail DRAM Control CD/DVD picture audio abnormal Scratched Disc abnormal Spindle Motor...

  • Page 51: Drive & Rf Circuit Diagram

    3. DRIVE & RF CIRCUIT DIAGRAM CD/DVD picture abnormal µ-com Interface line Focus Servo fail Tray Loading Speed control DVD laser not operate Turntable not operate Tracking Servo fail CD laser not operate Turn table speed control Spindle Motor unstable Actuator spindle Servo fail sled not operate...
  • Page 52 4. PANTERA CIRCUIT DIAGRAM System not operate No Power on System not working or Audiuo DAC Interface Digitron not display. DSP interface line Spindle Motor Y/Pb/Pr(Component) CVBS unstable WAVEFORM Y.c(S-VHS) Audio L/R OUT OPTICAL/COAXITAL OUT 3-23 3-24...

  • Page 53: Waveforms

    • WAVEFORMS IC2A1 Pin 42, Focus Error IC2A1 Pin 41 IC2A1 Pin 41 IC2A1 Pin 36, Pi Tracking Error VBR TRACKING Error IC501 Pin 114 TURN(+)(-) Signal from µ-com TURN(+)(-) from Motor Drive Component Y Forward turn IC2A1 Pin 57, IC201 Pin 88, SLED Drive(FMO) IC2A1 Pin42, Focus Error(in Focus Search) IC201 Pin 18, SLED FG...
  • Page 54 5. MEMORY CIRCUIT DIAGRAM Program download fail Digitron abnormal Not power on Not memoried setup Menu Digitron all not display System not working Not used Digitron all not display System not working Disc number detect error Digitron all not display and system not operate “No Disc”...

  • Page 55: Timer & Key Circuit Diagram

    6. TIMER & KEY CIRCUIT DIAGRAM Digitron abnormal System not operate Remocon not operate Power not control Digitron abnormal 3-29 3-30...

  • Page 56: A/V Circuit Diagram

    7. A/V CIRCUIT DIAGRAM 5V_A Q408 KTC3875 R443 1.0K Q407 R444 KTC3875 1.0K R445 R441 Q401 is defective 2CH. 2.2K 1.0K R442 Audio out bad. R446 1.0K IC401 is defective. 2CH Audio out bad. IC401 is defective. 2CH Audio out bad. IC403, Q404 are defective.

  • Page 57: A/V Jack Circuit Diagram

    8. A/V JACK CIRCUIT DIAGRAM Component, S-Video out can,t be changed. 3-33 3-34...

  • Page 58: Circuit Voltage Chart

    • CIRCUIT VOLTAGE CHART MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE LEVEL(V) LEVEL(V) LEVEL(V) LEVEL(V) LEVEL(V) LEVEL(V) LEVEL(V) PLAY PLAY PLAY PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO.
  • Page 59 MODE MODE MODE PLAY PLAY PLAY PIN NO. PIN NO. PIN NO. 1.40 1.40 3.48 3.44 2.40 0.90 3.20 0.00 3.43 3.41 1.60 1.75 2.52 2.70 0.00 0.00 2.52 2.70 0.00 3.10 2.52 2.60 0.00 3.10 2.52 2.60 5.00 2.50 2.56 2.70 0.00...

  • Page 60: Printed Circuit Diagrams

    PRINTED CIRCUIT DIAGRAMS 1. MAIN P.C.BOARD LOCATION GUIDE (BOTTOM SIDE) (TOP SIDE) 3-39 3-40...

  • Page 61: Av Jack P.c.board

    2. AV JACK P.C.BOARD 3. SMPS P.C.BOARD LOCATION GUIDE LOCATION GUIDE 4. FRONT P.C.BOARD LOCATION GUIDE 3-41 3-42...
  • Page 62 SECTION 4 MECHANISM/PARTS LIST CONTENTS 4. Base Assembly Main......4-4 DECK MECHANISM PARTS LOCATIONS 4-1. PCB Assembly Main Mode ....4-4 • Top View..........4-1 4-2. Gear Slider........4-4 • Top View(without Tray Disc) ....4-1 4-3. Gear Exchange.........4-4 • Bottom View ...........4-1 4-4. Gear Main .........4-4 DECK MECHANISM 4-5.

  • Page 63: Deck Mechanism Parts Locations

    DECK MECHANISM PARTS LOCATION • Top View (With Tray) Procedure Disass Fig- Parts Fixing Type embly Starting No. Holder Assembly 3 Screws Clamp 2 Connectors 1 Hook Plate Calmp Magnet Clamp 1,2,3 Upper Clamp 1,2,3,4 Holder Clamp Base Assembly Tray 2 Locking Tabs Tray Disc 1 Screw...

  • Page 64: Deck Mechanism Disassembly

    DECK MECHANISM DISASSEMBLY (S2) TRAY DISC (S4) HOLDER CLAMP (S4) MOTOR ASSEMBLY TRAY PLATE CLAMP GEAR TRAY GEAR WHEEL TRAY (S1) (S1) (S1) PLATE CLAMP MAGNET CLAMP (H1) HOLDER CLAMP UPPER CLAMP BASE TRAY ROLLER BASE TRAY BASE TRAY (L2) (L1) BASE TRAY (C2)

  • Page 65: Frame Assembly Up/Down

    DECK MECHANISM DISASSEMBLY (L3) GEAR MIDDLE GEAR ASSEMBLY FEED GEAR ASSEMBLY RACK (S7) RUBBER REAR RUBBER DAMPER (S8) RUBBER REAR (S7) (S7) PICK UP ASSEMBLY GENERAL BASE PU(OUTSERT) (S7) (C7) RUBBER DAMPER PICK UP ASSEMBLY GENERAL GAER ASSEMBLY RACK MOTOR ASSEMBLY SPINDLE GEAR MIDDLE GEAR ASSEMBLY FEED GEAR UP/DOWN...

  • Page 66: Base Assembly Main

    DECK MECHANISM DISASSEMBLY (S10) GEAR SLIDER GEAR MAIN (S12) Fig.(B) GEAR UP/DOWN GEAR EXCHANGE (S11) (S13) GEAR LOADING (S15) Fig.(C) MOTOR ASSEMBLY MAIN (S15) GEAR WHEEL MAIN (S14) BASE MAIN MOTOR ASSEMBLY MAIN (L4) (C9) (C8) MODE SWITCH Fig.(A) (S9) PCB ASSEMBLY MAIN MODE (S9) (S9)

  • Page 67: Deck Mechanism Adjustment

    DECK MECHANISM ADJUSTMENT 1. Tools and Fixtures for SVC • For SVC Program Down-Load Fig.1. Printer Cable Fig.2. FFC Cable (15 pin) Fig.3. Jig Board Fig.4. Deviation Disc (0.8mm) • For T-Skew and R-Skew Adjustment Fig.5. L-Wrench(3mm) Fig.6. RCA Jack Fig.7.
  • Page 68 DECK MECHANISM ADJUSTMENT M E M O T-Skew Adjusting hole 3. Adjustment Procedure R-Skew Adjusting hole 1. Download the MD adjustment program into the player. (See 2. Install Process on page 4-5.) 2. Connect the video out of the player to a monitor. 3.

  • Page 69: Exploded View

    EXPLODED VIEWS 1. Deck Mechanism Exploded View...

  • Page 70: Parts List

    PARTS LIST 1.Parts List LOCATION No. LGE CODE TOSHIBA CODE DESCRIPTION 6871R-4407B 79098301 PC BOARD ASSY, MAIN, SD-2715/2705 IC201 0IHY258010B 79094006 IC,HYUNDAI, GDC25D801C 208QFP BK DSP+SERVO - IC201 0IHY258010C 79094007 IC,HYUNDAI, GDC25D801D 208 QFP BK DSP+SERVO 1 CHIP DVD-P IC203...
  • Page 71 LOCATION No. LGE CODE TOSHIBA CODE DESCRIPTION C288 0CH1104K942 79092014 CAPACITOR,FIXED CERAMIC(Temp.compensate), 0.1UF 50V 80%,-20% Y5V(F) 1608 R/TP C2A0 0CH1104K942 79092014 CAPACITOR,FIXED CERAMIC(Temp.compensate), 0.1UF 50V 80%,-20% Y5V(F) 1608 R/TP C2A1 0CH1104K942 79092014 CAPACITOR,FIXED CERAMIC(Temp.compensate), 0.1UF 50V 80%,-20% Y5V(F) 1608 R/TP...
  • Page 72 LOCATION No. LGE CODE TOSHIBA CODE DESCRIPTION C508 0CH1104K942 79092014 CAPACITOR,FIXED CERAMIC(Temp.compensate), 0.1UF 50V 80%,-20% Y5V(F) 1608 R/TP C509 0CH1104K942 79092014 CAPACITOR,FIXED CERAMIC(Temp.compensate), 0.1UF 50V 80%,-20% Y5V(F) 1608 R/TP C510 0CH1104K942 79092014 CAPACITOR,FIXED CERAMIC(Temp.compensate), 0.1UF 50V 80%,-20% Y5V(F) 1608 R/TP...
  • Page 73 LOCATION No. LGE CODE TOSHIBA CODE DESCRIPTION R2B9 0RH1503C622 79093036 RESISTOR,METAL GLAZED(CHIP), 150K OHM 1 / 16 W 1608 5.00% D R2C0 0RH3902C622 79093043 RESISTOR,METAL GLAZED(CHIP), 39K OHM 1 / 16 W 1608 5.00% D R2C1 0RH3902C622 79093043 RESISTOR,METAL GLAZED(CHIP), 39K OHM 1 / 16 W 1608 5.00% D...
  • Page 74 RESISTOR,METAL GLAZED(CHIP), 0 OHM 1 / 16 W 1608 5.00% D R5B3 0RH0000C622 79093020 RESISTOR,METAL GLAZED(CHIP), 0 OHM 1 / 16 W 1608 5.00% D 6871R-4408B 79098502 PC BOARD ASSY, OUTPUT, SD-2715/2705 Q401 0TR150409AC 79095005 TRANSISTOR,BIPOLARS, KTA1504 TP KEC - ST1 CHIP Q403 0TR387509AC...
  • Page 75 79093006 RESISTOR,FIXED CARBON FILM, 100K OHM 1/6 W 5.00% TA26 R6M4 0RD1003F608 79093006 RESISTOR,FIXED CARBON FILM, 100K OHM 1/6 W 5.00% TA26 3501R-3073B 79098501 PC BOARD ASSY, POWER SUPPLY, SD-2715/2705 IC101 0IPMGFA005A 79094017 IC,POWER MANAGEMENT, KA5M0365R-YDTU FAIRC IC102 0ILI817000B 79094013...
  • Page 76 LOCATION No. LGE CODE TOSHIBA CODE DESCRIPTION D106 0DR104009AB 79096008 DIODE,RECTIFIERS, RL104 R. TP GULF SEMICONDUCTOR LTD. - 400V 1A 30A D107 0DD010009AC 79096001 DIODE,RECTIFIERS, EU01W(R-FORM) TP SANKEN D107 0DD104009DA 79096003 DIODE,RECTIFIERS, 10ELS4(R-FORM 5MM) TP INTA D107 0DD104009DB 79096004 DIODE,RECTIFIERS, 10ELS4, (TA1B2) 26 TP INTA...
  • Page 77 GEAR, UP/DOWN 4470R-0071A 79097027 GEAR, LOADING 4681R-0012A 79097028 MOTOR ASSY, MAIN 4470R-0072A 79097029 GEAR, WHEEL MAIN 3501R-4475A 79097101 PANEL ASSY, FRONT, W/PCB, SD-2715/2705 3581R-T019A 79097102 PANEL, TRAY, SD-2715 3581R-T019B 79097103 PANEL, TRAY, SD-2705 3110R-0194D 79097301 COVER, TOP 3141R-0037E 79097302 FRAME, BOTTOM...

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