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Toshiba SD-V290 Service Manual

Dvd video player & video cassette recorder
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FILE NO. 810-200226
SERVICE MANUAL
DVD VIDEO PLAYER &
VIDEO CASSETTE RECORDER
SD-V290
SD-V390
JANUARY, 2003

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Summary of Contents for Toshiba SD-V290

  • Page 1 FILE NO. 810-200226 SERVICE MANUAL DVD VIDEO PLAYER & VIDEO CASSETTE RECORDER SD-V290 SD-V390 JANUARY, 2003...

  • Page 2: Table Of Contents

    SECTION 3 ELECTRICAL CONTENTS OVERALL WIRING DIAGRAM ...........................3-2 VCR PART ELECTRICAL ADJUSTMENT PROCEDURES ....................3-3 ELECTRICAL TROUBLESHOOTING GUIDE ......................3-4 1. POWER(SMPS) CIRCUIT ............................3-4 2. SYSTEM/KEY CIRCUIT ...............................3-7 3. SERVO CIRCUIT................................3-8 4. OSD CIRCUIT ................................3-10 5. Y/C CIRCUIT ................................3-11 6. Hi-Fi CIRCUIT ................................3-13 7.

  • Page 3: Overall Wiring Diagram

    OVERALL WIRING DIAGRAM...

  • Page 4: Vcr Part

    VCR PART ELECTRICAL ADJUSTMENT PROCEDURES 1. Servo Adjustment 1) PG Adjustment • Test Equipment a) OSCILLOSCOPE b) NTSC MODEL : NTSC SP TEST TAPE • Adjustment And Specification MODE MEASUREMENT POINT ADJUSTMENT POINT SPECIFICATION V.Out PLAY R/C TRK JIG KEY 6.5 ±...

  • Page 5: Electrical Troubleshooting Guide

    ELECTRICAL TROUBLESHOOTING GUIDE 1. Power(SMPS) CIRCUIT (1) No 5.3VA (SYS/Hi-Fi/TUNER) (2) No 12VA (TO CAP, DRUM MOTOR) NO 5.3VA. NO 12VA. Replace the F101. Is the Vcc(13V) supplied Check or Replace Is the F101 normal? (Use the same Fuse) to (+) terminal in D115? the D110.
  • Page 6 (4) No 5V (TO DVD) (5) No 33V (TUNER) NO 5V. No 33V. Is 5.3VA put into Check the Power 5.3VA Line Check. Is Q162 Base “H”? the Q160 Emitter? Control. Is the Q162 Base Check the Power Check or Replace “H”? Control.
  • Page 7 (8) No 8V(TO DVD) (9) No 3.3V(TO DVD) NO 8V. NO 3.3V. Check or Replace Check or Replace Is Vcc(13V) supplied to Is Vcc(4V) supplied (+) terminal in D114? to IC152 Pin1? the D110. the D111. Check or Replace Check the Power Is Vcc(12V) supplied Is the Q162 Base to IC151 Pin1?

  • Page 8: System/Key Circuit

    2. SYSTEM/KEY CIRCUIT (1) AUTO STOP Auto Stop Does the SW30 waveform Check the Drum Motor appear at the IC501 signal. Pin18? Do T/UP Reel Pulses Do the T-UP Reel Pulses Does 5V appear at the appear at the point appear at the IC501 Pin80? RS501? between R556 and R536?

  • Page 9: Servo Circuit

    3. SERVO CIRCUIT (1) Unstable Video in PB MODE Unstable Video in PB Mode. Does the Noise level of the screen change periodically? Do the CTL pulses appear Is adjusting the height of at the IC501 Pin97? the CTL Head accurate? Does the CFG waveform Readjust the height of the appear at the IC501...
  • Page 10 2. SERVO CIRCUIT (3) When the Capstan Motor doesn’t run, When the Capstan Motor doesn’t run, Refer to “SMPS(CAPSTAN/12Volt) Does 12VA appear at the PMC01? Trouble Shooting”. Does 2.8V appear at the PMC01? Check the PMC01 and the Capstan Does the PWM signal appear at the IC501 Pin77? Motor Ass’y.

  • Page 11: Osd Circuit

    2. SERVO CIRCUIT (4) KEY doesn’t working KEY doesn’t working. Is 5V applied to the IC501 Refer to “SMPS 5.3VA Pin79? Trouble Shooting”. Does LED or FLD change Replace the defective when a function button is switches. pressed? 4. OSD CIRCUIT (1) No OSD display.

  • Page 12: Y/C Circuit

    5. Y/C CIRCUIT (1) No Video in EE Mode, No Video in EE Mode Does the Video signal Does the Video signal Check DVD Video Input appear at the IC301 appear at the IC302 (IC802, Pin29), Tuner Pins28, 30, 32? Pins1, 5? Video Input (TU701 Pin24), Line Video Input (JK801),...
  • Page 13 3. Y/C CIRCUIT (2) When the Y(Luminance) signal doesn’t appear on the screen in PB Mode, Is 5V applied to the IC301 Check the line of the REG 5V Line. (Power Circuit) Pins23, 44, 45, 52, 68, 77? Is the Y/C Bus siganl Refer to ‘SYSTEM Y/C applied to the IC301 BUS CHECK Trouble...
  • Page 14 3. Y/C CIRCUIT (3) When the C(Color) signal doesn’t appear on the screen in PB Mode, Is 5V applied to the IC301 Check the line of the REG 5V Line. (Power Circuit) Pins23, 44, 45, 52, 68, 77? Does the Color signal Is normal the X301 appear at the IC301 (3.58MHZ) of oscillation...
  • Page 15 3. Y/C CIRCUIT (4) When the Video signal doesn’t appear on the screen in REC Mode, REC mode Is EE mode normal? Check the EE mode Is brightness normal? Is color normal? Is the brightness signal sup- Does signal appear at Check X301 oscillation IC301 Pins41, 50? frequency.

  • Page 16: Hi-Fi Circuit

    6. Hi-Fi CIRCUIT (1) No Sound(EE Mode) No Sound. Check the SIF.IN of IC801 Pins57. Check the TU701 SIF Pin13. Check the DVD Audio of IC801 Check the DVD MODULE. (PMD02 Pins9, 11). Pins12, 74. Check the AV1 Audio of IC801 Check the Rear Jack.
  • Page 17 3. Y/C CIRCUIT (2) Hi-Fi Playback PB mode No Sound. Check the Vcc of IC801 Check Power. (Pins3, 5, 15, 32, 36, 46, 54). Check the Hi-Fi Selection switch. Check IC501 Pin19 (A.H/SW) (IC801 Pin39) and the Tape quality. Is the RF Envelope at IC801 Pin23 over 3Vp-p? Check IC801 Pin37(Data), Check the parts of µ-COM...
  • Page 18 (3) Hi-Fi REC Hi-Fi REC. It is impossible to record Hi-Fi Audio signal. Check Vcc of IC801. Check Power. (Pins3, 5, 15, 32, 36, 46, 54) Check ports of µ-CPM. Check IC801 Pin37(Data), Pin38(CLOCK). (IC501 Pins71, 72) Check Audio input signal of IC801 Do Audio signals appear at IC801 Pin6? Pin57(TU.A.), 7, 69(DVD.A.), 11, 73(AVI.A.), 9, 71(AV2.A.)

  • Page 19: Tuner/If Circuit

    7. Tuner/IF CIRCUIT (1) No Picture on the TV screen No picture on the TV screen Does the Video signal at Is +33V applied to TU701 Check 33V line. the TU701 Pin16. Pin14? Is +5V applied to TU701 Check 5V line. Pin3? Does the Clock signal Check the lIC Clock Signal...
  • Page 20 (2) No Sound No Sound. Check the Vcc of TU701 Pins3, 14. Check 5.2V, 33V Line. Check the Tuner SiF signal at IC801 Check the Tuner SIF of TU701 Pin13. Pin57. 1. Check the Vcc(5.3VA, 9V) of IC801 Check the Audio of IC801 Pins78, 80. Pins3, 5, 36, 54.

  • Page 21: Block Diagrams

    5V BLOCK R117) IC102 TO DVD (R157, Q160, R158, R159, D121, C155) IC103 (BK) (WH) HOT CIRCUIT PWR CTL FROM µ-COM BLOCK PWR CTL 'H' (Q162,R163,R164, R171,C161) NOTES : Symbol denotes AC ground. Symbol denotes DC chassis ground. TOSHIBA 3-20 3-21...

  • Page 22: Tu/If Block Diagram

    2. TU/IF BLOCK DIAGRAM 875 MOD A.IN MOD CTL 106 5.0V VCR 'H' REG. BLOCK 671 MOD V.IN IIC CLK REG. BLOCK IIC DATA 781 SIF OUT TU.V.OUT TOSHIBA 3-22 3-23...

  • Page 23: Y/C Block Diagram

    BPF2 3.58M VIDEO BPF1 MAIN C-LPF 4.21M CONV 3.58M BPF1 COMB 4.21M DETAIL CLAMP CONV COMB LINE2 MAIN SP REC CLAMP EMPHA SP PB 'B' CONV EMPHA SP PB 'A' V.OUT V.OUT DOUBLE FM-EQ MAIN DE-EM FM-EQ TOSHIBA 3-24 3-25...

  • Page 24: Normal Audio Block Diagram

    4. NORMAL AUDIO BLOCK DIAGRAM (EE Mode) (PB Mode) (REC Mode) TOSHIBA 3-26 3-27...

  • Page 25: Hi-Fi Block Diagram

    DVD A.IN 'L' A.OUT A.OUT 'R' To JACK DVD A.IN 'R' IC801 AV1 A.IN 'L' LA72670M AV1 A.IN 'R' MODULATOR AV2 A.IN 'L' A.OUT (To Tu) AV2 A.IN 'R' NORMAL AUDIO OUT(To AVCP) NORMAL AUDIO IN(From AVCP) TOSHIBA 3-28 3-29...

  • Page 26: System Block Diagram

    POWER FAIL SUP REEL R558 C582 IC504 CST IN RESET CST.SW/REC TAP Q503 5.3VA IC505 5.3VA C500 C517 R541 R531 CS501 R5C6 RC601 R544 Q501 L511 C552 R583 R529 R598 C595 C596 L512 C592 C503 C561 L501 TOSHIBA 3-30 3-31...

  • Page 27: Circuit Diagrams

    2. Voltages are DC-measured with a digital voltmeter MODIFIED OR ALTERED WITHOUT PERMISSION IMPLEMENTATION OF THE LATEST SAFETY AND during Play mode. FROM THE TOSHIBA ELECTRONICS CORPORATION. PERFORMANCE IMPROVEMENT CHANGES INTO ALL COMPONENTS SHOULD BE REPLACED ONLY THE SET IS NOT DELAYED UNTIL THE NEW SERVICE WITH TYPES IDENTICAL TO THOSE IN THE ORIGI- LITERATURE IS PRINTED.

  • Page 28: Tu/If Circuit Diagram

    2. TU/IF CIRCUIT DIAGRAM 3-34 3-35...

  • Page 29: A/V Circuit Diagram

    3. A/V CIRCUIT DIAGRAM IC301 Pins 53, 54, 55 are defective. IC301 doesn’t operate. IC301 is defective. PB COLOR Signal disappear. IC301 Pin 57 is defective. PB COLOR Signal disappear. IC301 Pin 59 is defective. Auto Tracking is failed. IC306, Q307 are defective. EE, PB Screen doesn’t appear.

  • Page 30: Hi-Fi Circuit Diagram

    4. Hi-Fi CIRCUIT DIAGRAM IC801 Pins37, 38 aredefective. All Audio is not appear. KTC3875 23 Pin is defective. Hi-Fi Audio is not appear. '02. 12. 04 R13734C TOSHIBA 3-38 3-39...

  • Page 31: Jack Circuit Diagram

    5. JACK CIRCUIT DIAGRAM 3-40 3-41...

  • Page 32: System Circuit Diagram

    Deck will not operate. R575, R576, R577, R545 R578 are defective. EEPROM IC503 R502 R501 '02. 12. 04 R13732C Auto stop occures. RS501,RS502 are TOSHIBA Auto Rew will not working. defective. ES501, ES502, LD501 are defective. WAVEFORM FROM TO JACK 3-42 3-43...

  • Page 33: Key Circuit Diagram

    7. KEY CIRCUIT DIAGRAM 3-44 3-45...

  • Page 34: Waveforms

    • WAVEFORMS * IC301 Waveform * IC501 Waveform Stop : 10.0KS/s 280 Acqs Stop : 250KS/s 299 Acqs Stop : 10.0KS/s 18 Acqs Trigger Position: 12% Stop : 10.0KS/s 27 Acqs 1.00 V M 5.00ms 3.04 V 1.00 V M5.00ms 3.04 V 1.00 V M 200µs...

  • Page 35: Circuit Voltage Chart

    • CIRCUIT VOLTAGE CHART MODE MODE MODE MODE MODE MODE Base Emitter Collector Location PLAY PLAY PLAY PLAY PLAY PLAY PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. I C 3 0 1 0.68 0.93 5.19 5.19 3.86 0.23...

  • Page 36: Printed Circuit Diagrams

    PRINTED CIRCUIT DIAGRAMS 1. MAIN P.C.BOARD LOCATION GUIDE 3-50 3-51...

  • Page 37: Key 1(Left) P.c.board

    2. KEY 1(LEFT) P.C.BOARD 4. POWER P.C.BOARD NOTES) Warning NOTES) Parts that are shaded are critical NOTES) With respect to risk of fire or NOTES) electricial shock. LOCATION GUIDE 3. KEY 2(RIGHT) P.C.BOARD 3-52 3-53...

  • Page 38: Dvd Part

    DVD PART ELECTRICAL TROUBLESHOOTING GUIDE 1. µ-COM Circuit A. No Power POWER ON Does Hello appear at FLD? Is PDV02 Does no DISC appear? connected normally? Reconnect it. Does Logo appear Check power. on the screen? (Refer to power) If power is normal Is PDV02 Pins8, 9, 10, 11 normal?
  • Page 39 B. Audio abnormal C. Video abnormal AUDIO ABNORMAL VIDEO ABNORMAL Check Audio jack. Check Video jack. YES (If OK) YES (If OK) Check MPEG_CLK Signal Refer to Video part. (IC501 Pin22) of MPEG part. YES (If OK) YES (If OK) Refer to Audio part.
  • Page 40 E. Picture abnormal PICTURE ABNORMAL Check the disc. Refer to Servo part If OK Check MPEG_CLK Signal (IC501 Pin22) of MPEG part YES (If OK) Check DSP YES (If OK) Check MPEG YES (If OK) Replace Main B/D F. Disc Error DISC ERROR Check Disc YES (If OK)

  • Page 41: Mpeg Circuit

    2. MPEG Circuit Power is on Does Logo appear Check power & clock. on the screen? Does the Check CD/DVD DSP output moving picture of the DVD Disc Is MPEG data signal normal? play on the screen signal. normally? Check MPEG Decoder input signal.

  • Page 42: Rf/Servo Circuit

    3. RF/Servo Circuit CHECK POINT(General) Does signal goes "High" to IC201 Pin186 when the power is on? Does signal pulse Check "2.µ-COM Part". input to IC201 Pins53, 54 when the power is on? Does Does Replace X201 or IC206 33.8688MHz clock input to 33.8688MHz clock input (33MHz clock defect) IC201 Pin138?
  • Page 43 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 Pin10 change (Limit sw) high to low? Pressing the open/close key repeatedly, check the voltage of IC2M1 check µ-COM Part.
  • Page 44 DISC IN OPEN/CLOSE Fig.3. FOCUS ERROR waveform Check Check IC2A1 Pins47,50,51,52 the focus error moving the FOCUS ON? lens up and down. in DVD Mode (IC2A1 Pin39) IC201 no output : Pick-up is defective. Does the TTL level change at IC201 Replace IC201.
  • Page 45 CHECK A Fig.5. RF waveform Check RF Eye-Pattern. No signal: Pick-up is defective Check IC2A1 Pin3. RF : 1.5-1.6V(TP2A0) Does the sawtooth waveform emit Is the eye-pattern vivid? Does the 1.6V emit? Replace IC2A1. at IC2A1 Pin36? Replace IC201. Check IC201 Pin84. No signal at IC201 : IC201 is defective •...

  • Page 46: Block Diagrams

    BLOCK DIAGRAMS 1. DVD OVERALL BLOCK DIAGRAM , PAL_SW , AUTO_SW , MIC_ON DAC_RST /FLASH_CS , /RD PWEO PSENB MIRR,TZC,PE,TE FE,DFECT_IN XLAT , E_STI , E_ENB , E_DR CPLD SPINDLE FOCUS,TRACKI NG,SLED LOADING TOSHIBA DECK M ECHANI SM 3-62...

  • Page 47: Rf/Cd Dsp/Dvd Dsp/Dvd Servo Block Diagram

    2. RF/CD DSP/DVD DSP/DVD SERVO BLOCK DIAGRAM TOSHIBA 3-63...

  • Page 48: Audio Block Diagram

    3. AUDIO BLOCK DIAGRAM TOSHIBA 3-64...

  • Page 49: Memory Block Diagram

    4. MEMORY BLOCK DIAGRAM AD[ 04 : 21 ] TOSHIBA 3-65...

  • Page 51: Circuit Diagrams

    CIRCUIT DIAGRAMS 1. DVD DSP CIRCUIT DIAGRAM TO/FROM MPEG DSP II '02. 12. 04 R17147A TRACKING LOOP SLED LOOP TOSHIBA WAVEFORM FOCUS LOOP SPINDLE LOOP 3-66 3-67...

  • Page 52: Drive & Rf Circuit Diagram

    2. DRIVE & RF CIRCUIT DIAGRAM TO/FROM MEMORY Q2A5, Q2A6 TO/FROM DSP TO/FROM DSP TO/FROM MEMORY TO/FROM MPEG TO/FROM MEMORY TO/FROM DSP TO/FROM DSP '02. 12. 04 R17145A TOSHIBA TRACKING LOOP SLED LOOP WAVEFORM FOCUS LOOP SPINDLE LOOP 3-68 3-69...

  • Page 53: Memory Circuit Diagram

    DRIVE & RF Digitron all not display system not working Tray not open/close Digitron all not display '02. 12. 04 R17148A system not working 6870R9241AA 6870R9241AB Tray not open/close TOSHIBA C324 0.1µ C307 0.1µ 1µ 3-70 3-71...

  • Page 54: Interface Circuit Diagram

    4. INTERFACE CIRCUIT DIAGRAM (TO/FROM VCR POWER) PDV01-PPD01 (TO/FROM VCR SYSTEM) PDV02-PMD01 TO/FROM MPEG TO/FROM JACK TO/FROM MPEG (TO/FROM VCR JACK) PDV03-PMD02 TO/FROM MEMORY '02. 12. 04 R17150A TOSHIBA 3-72 3-73...

  • Page 55: Μ-Com/Expander Circuit Diagram

    5. µ-COM/EXPANDER CIRCUIT DIAGRAM HB-1S1608 MM74HCT244 L510 '02. 12. 04 R17146A L511 Optical/Coaxial out Y/Pb/Pr(Componet) WAVEFORM TOSHIBA Y/C(S-VHS) CVBS R502 3-74 3-75...

  • Page 56: Jack Circuit Diagram

    6. JACK CIRCUIT DIAGRAM DAP202K '02. 12. 04 R17149A TOSHIBA 3-76 3-77...

  • Page 57: Waveforms

    • WAVEFORMS 2.50MS/s Stop : 4 Acqs M20.0µs Glitch Ch1 2 Apr 1999 500mV 14:47:27 IC2A1 IC2A1 Pin 36 IC2A1 Pin 36 IC501 Pin 118, Composite IC501 Pin 112, Chrominance IC501 Pin 114, Luminance TP2A0 Tracking Error VBR TRACKING Error (Super video out Mode) (Super video out Mode) Stop :...

  • Page 58: Circuit Voltage Chart

    • CIRCUIT VOLTAGE CHART MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE STOP PLAY PLAY PLAY PLAY PLAY PLAY PLAY 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 MODE MODE MODE MODE MODE MODE MODE PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY STOP PLAY STOP PLAY PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO.
  • Page 60 MODE MODE PLAY STOP PLAY PIN NO. PIN NO. CAPACITOR Q2A1 C3F3 3.25 5.09 5.05 C293 3.25 5.09 5.24 C262 3.25 0.00 0.00 Q2A2 C281 1.60 C279 2.14 5.07 0.00 C285 2.07 5.07 0.00 C297 3.25 0.00 1.82 Q2A5 C280 2.71 C278 2.13...

  • Page 61: Printed Circuit Diagrams

    PRINTED CIRCUIT DIAGRAMS 1. MAIN P.C.BOARD (TOP VIEW) LOCATION GUIDE 3-86 3-87...

  • Page 62: Main P.c.board (Bottom View)

    2. MAIN P.C.BOARD (BOTTOM VIEW) LOCATION GUIDE 3-88 3-89...

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