Toshiba SD-H400 Service Manual
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Toshiba SD-H400 Service Manual

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FILE NO. 810-200329

SERVICE MANUAL

D I G I T A L V I D E O
DIGITAL MEDIA SERVER
SD-H400
DOCUMENT CREATED IN JAPAN, Sep., 2003

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Summary of Contents for Toshiba SD-H400

  • Page 1: Service Manual

    FILE NO. 810-200329 SERVICE MANUAL D I G I T A L V I D E O DIGITAL MEDIA SERVER SD-H400 DOCUMENT CREATED IN JAPAN, Sep., 2003...
  • Page 2 PREPARATION OF SERVICING Pickup Head consists of a laser diode that is very susceptible to external static electricity. Although it operates properly after replacement, if it was subject to electrostatic discharge during replacement, its life might be shortened. When replacing, use a conductive mat, soldering iron with ground wire, etc. to protect the laser diode from damage by static electricity.

  • Page 3: Safety Precautions

    SAFETY NOTICE SAFETY PRECAUTIONS LEAKAGE CURRENT CHECK Measure the AC voltage across the 1500 W resistor. Plug the AC line cord directly into a 120V AC outlet (do not use an isolation transformer for this check). Use an The test must be conducted with the AC switch on and AC voltmeter, having 5000 W per volt or more sensitivity.

  • Page 4: Table Of Contents

    CONTENTS SECTION 1 GENERAL DESCRIPTIONS 2. LOCATION OF MAIN PARTS AND 1. OPERATING INSTRUCTIONS MECHANISM PARTS 2-1. Location of Main Parts 2-2. Location of PC Boards SECTION 2 PART REPLACEMENT AND ADJUSTMENT PROCEDURES 1-2. PC Board Replacement 1. Replacement of Mechanical Parts 1-2-1.

  • Page 5: Operating Instructions

    SECTION 1 GENERAL DESCRIPTIONS 1. OPERATING INSTRUCTIONS Please refer to the owner's manual about the contents.
  • Page 6 2. LOCATION OF MAIN PARTS AND MECHANISM PARTS 2-1. Location of Main Parts HDD UNIT MD01 Mechanism chassis B903 FAN assembly Fig. 1-2-1 2-2. Location of PC Boards UT01 Tivo Main board U801 Power PC board UD01 DVD Main PC board UX03 Power Switch PC board UX02 KDB Front PC board...

  • Page 7: Replacement Of Mechanical Parts

    SECTION 2 PART REPLACEMENT AND ADJUSTMENT PROCEDURES CAUTIONS BEFORE STARTING SERVICING Electronic parts are susceptible to static electricity and may easily damaged, so do not forget to ground as required. Many screws are used inside the unit. To prevent the screws from missing, dropping, etc.always use a magnetized screwdriver in servicing.

  • Page 8: Front Panel

    1-1-3. Front Panel 1-1-5. Mechanism Chassis Assembly 1. Remove the top cover. (Refer to item 1-1-1.) Note: 2. Remove the HDD. (Refer to item 1-1-2.) • Before removing the Mechanism chassis assembly (6), 3. Disconnect two flexible cadles (1). be sure to short-circuit the laser diode output land. 4.

  • Page 9: Fan

    1-1-6. Fan 1-1-7. Rear Panel 1. Remove a connector (1) and two screws (2) . 1. Remove ten screws (1). 2. Remove the fan (3). 2. Loosen two claws and remove the rear panel (2). Fan (3) Rear panel (2) Connector (1) Claw Screws (1)
  • Page 10 1-2. PC Board Replacement Note: • For the detailed information about DVD Main PC 1-2-1. DVD Main PC Board board connection, see Fig. 2-1-9. Note: • Before removing the DVD main PC board (4), be sure to short-circuit the laser diode output land. TO CNX01 (Tivo PC board) After replacing the DVD main PC board (4) and...
  • Page 11 1-2-2. Tivo PC Board 1-2-3. Power PC Board 1. Disconnect four connectors (1) Cautions : 2. Remove a screw (2) and four screws (3), then remove • Danger of explosion if battery is incorrectly the power PC board (4). replaced. •...
  • Page 12 1-2-4. KDB Front and Power Switch PC Board 1. Remove the front panel. (Refer to item 1-1-3.) 2. Remove five screws (1), then remove the stay (2). 3. Remove a screw (3) and two flexible cables (4), then remove the Power switch PC board (5). 4.

  • Page 13: Circuit Symbols And Supplementary Explanation

    SECTION 3 SERVICING DIAGRAMS 1. CIRCUIT SYMBOLS AND SUPPLEMENTARY EXPLANATION 1-1. Precautions for Part Replacement • Using the parts other than those specified shall violate • In the schematic diagram, parts marked (ex. the regulations, and may cause troubles such as F801) are critical part to meet the safety regulations, operation failures, fire etc.

  • Page 14: Inductor Indication

    1-4. Inductor Indication Eg. 4 ... H None Unit ... mH ... mH Tolerance None ... ±5% ... ±0.1% ... ±0.25% ... ±0.5% ... ±1% Type name ... ±2% ... ±10% ... ±20% Fig. 3-1-4 1-5. Waveform and Voltage Measurement Eg.

  • Page 15: Printed Wiring Board And Schematic Diagram

    2. PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM +12V CN104 4P connector U801 CN102 POWER BOARD CN103 11P CN101 5P Power Cord 120VAC 60HZ connector Power Supply Cable connector connector CN701 IDERST CNY02 CTN5 GROUND2 IDEDD7 Dip WIRE MON2 DIP WIRE DIP WIRE IDEDD8 VOR2...

  • Page 16: Block Diagrams

    3. BLOCK DIAGRAMS 3-1. DVD Overall Block Diagram Fig.3-3-1...

  • Page 17: Power Supply Block Diagram

    3-2. Power Supply Block Diagram CN101 E-9V TiVo MAIN D501, D502, C501 Q501 E+9V AV SW RECTIFIER TRANS SMOOTHING REG/SW CN103 E+5V D101, P101, C101 VDD+5V RECTIFIER VDD+3V SMOOTHING Q151, Q152 VDD+2.5V 5V REG/SW MAIN M+8V VKK-34V D201 IC231 D11-D14, NTC1, RECTIFIER 3.3V REG/SW C51, C5...

  • Page 18: Kdb Front, Power Switch Block Diagram

    3-3. KDB Front, Power Switch Block Diagram Fig. 3-3-3...
  • Page 19 3-4. Logical System Block Diagrams (DVD) OUTPUT UNIT IC401 IC306 TC94A03F ZR36750 DATA PRO-1 AV 1 CHIP PROCESSOR CN302 CNX01 From CVBSOUT IC502 RFDVD YOUT PIN30 DISC STREAM COUT DATA 8bit GYOUT Y (I/P) G B/UOUT R/VOUT IC902 AD1958 AUDIO DAC CN901 CNY01 PDCK...

  • Page 20: Output Block Diagram (Dvd)

    3-5. Output Block Diagram (DVD) UT11 DVD MAIN TiVo MAIN MM1568AJBE UT49 MM1231 Video Driver JX01 IN1B COUT IN2B VOUT CN302 CNX01 IN3B C-IN/OUTPUT YOUT UT19 Y-IN/OUTPUT BCM7020 PCI AD26 T1_CV Cb(I/P)-IN/OUTPUT DVD Main IN1A OUT1 CYOUT Cr(I/P)-IN/OUTPUT Y25 T1_C Cy(I/P)-IN/OUTPUT IN3A OUT2...

  • Page 21: Tivo Block Diagrams

    3-6. Tivo Block Diagram 3-6-1. Tivo Block Diagram 1 3-6-2. Tivo Block Diagram 2 (Please refer to next page for exploded Audio/Video switch & driver block diagram.) UT49 UT19 UT11 AUDIO SWITCH / DRIVER MM1231 MM1568 BCM7020 AUDIO DECODER Ti_CV VIDEO DECODER Ti_Y CV_OUT...

  • Page 22: Circuit Diagrams

    4. CIRCUIT DIAGRAMS 4-1. Power Supply Circuit Diagram Fig. 3-4-1...

  • Page 23: Kdb Front Circuit Diagram

    4-2. KDB Front Circuit Diagram " Fig. 3-4-2...
  • Page 24 Waveform (KDB Front Circuit) ICX01, Pin ICX01, Pin XOUT DSPCKX V: 2 V/div V: 2 V/div H: 100 ns/div H: 100 s/div ICX01, Pin ICX01, Pin DSTBX V: 2 V/div V: 10V/div H: 5 ms/div H: 500 s/div ICX01, Pin ICX01, Pin DSPSIO_M-D V: 2 V/div...

  • Page 25: Power Switch Circuit Diagram

    4-3. Power Switch Circuit Diagram Fig. 3-4-4...
  • Page 26 4-4. DVD Main Circuit Diagram Fig. 3-4-5...

  • Page 27: Dvd Main Circuit Diagram

    4-4. DVD Main Circuit Diagram...
  • Page 34 Fig. 3-4-5...
  • Page 35 Waveform (DVD Main Circuit) CN901 Audio output CN302, Pin CV-output (a) FL output, Pin (b) FR output, Pin CV-output (a) FL output 100% color bar (b) FR output V: 2 V/div V: 1 V/div H: 200 s/div H: 20 s/div CN302 CN901, Pin (Audio digital otput)
  • Page 36 4-5. Tivo Main Circuit Diagram AV5V AV5V RT700 VIN7:0 USB HOST CONTROLLER || USB POWER-15 VIDEO OUTPUT BUFFER/FILTER-17 (Modified portion) E-9V LT10 120 1% ANALOG VIDEO REGION-06 CTX07 S-VIDEO OUT-18 VIN_71147:0 100uF 16V SVYIN RT259 Nostuff (Modified portion) RT88 UT10 S-JACK HDC-056 120 1% UT49...
  • Page 37 4-5. Tivo Main Circuit Diagram VIN7:0 ANALOG VIDEO REGION-06 VIN_71147:0 SVYIN (Modified portion) Nostuff RT88 CT15 VIN_71140 VIN0 SVY_IN VIN0 0.047uF AI12 IPD0 VIN_71141 VIN1 SVC_IN VIN1 2-FERRITE BEAD AI22 IPD1 VIN_71142 VIN2 Nostuff CV_IN1 VIN2 PLVA2662A 6.2V AI21 IPD2 VIN_71143 VIN3 CVBS-IN...
  • Page 38 USB HOST CONTROLLER || USB P LT10 RT88 UT10 PCI_AD0 USB2_DP 2-FERRITE BEAD VIN0 3V_NT_DEC PCI_AD1 USB1_DP VIN1 PCI_AD2 VIN2 CT36 CT37 CT39 CT42 CT43 CT45 CT46 CT49 PCI_AD3 CT35 VIN3 RT223 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF CT38 CT47 CT34...
  • Page 39 AV5V RT700 CONTROLLER || USB POWER-15 VIDEO OUTPUT BUFFER/FILTER-17 (Modified portion) 120 1% CTX07 100uF 16V RT259 120 1% UT49 CT636 USB2_DP GB25 CT630 MM1231 0.1uF UT11 CTX08 USB1_DP DVD_CV 10uF 16V CT530 CT637 FZ0.1uF IN1B OUT1 VCC1 TI_CV 10uF 16V 0.1uF IN1A OUT2...
  • Page 40 AV5V E-9V TX07 S-VIDEO OUT-18 0uF 16V S-JACK HDC-056 RT740 0.1uF CTX20 RTX04 DTX06 DTX05 DTX07 DTX08 DTX09 DTX10 199256 199256 C_OUT FZ0.1uF CT29 RTX03 CTX10 CV_OUT Nostuff RTX05 Y_OUT 100uF 16V CTX12 RTX02 CY_OUT 100uF 16V CTX14 100uF 16V RTX06 CB_OUT CTX16...
  • Page 41 LT29 LT27 VDDAA1 4-FERRITE BEAD LT28 RT34 RT37 FERRITE BEAD Tuner and Analog grounds CT117 CT120 CT100 CT104 2.2K tied at Mounting Screw 1 CT114 0.1uF 0.1uF CT96 0.1uF 3300pF 2.2uF 16V Y5V 2.2uF 16V Y5V LT16 RT39 TUNESCL RT41 TUNESDA LT17 CT58...
  • Page 42 GND24 PCI_RST_N IDE_CLK CT492 CT493 CT494 CT495 CT496 P_ISMS GND25 IDSEL I2CSCL 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF RT167 C_INT0MS I2CSCL0 GND26 INTA_N I2CSDA VDDAA1 I2CSDA0 GND27 RT165 P_REQ0 REQ_N TUNESCL 2.2uF 16V Y5V GND28 P_GNT0 I2CSCL1 JT16 CT100 CT104 P_INTC GNT_N TUNESD Nostuff...
  • Page 43 IDE_CLK I2CSCL I2CSCL0 JT17 I2CSDA I2CSDA0 22-23-2021 UT34 TUNESCL LB_A17 TEMP SENSOR-13 I2CSCL1 A17/NC VCC1 TUNESDA LB_A16 I2CSDA1 RT50 LB_A15 CLK256FS CLK256FS V12V FAN_DIAG LB_A14 AI2SCLK AM_BCLK LB_A13 LB_D15 UT47 AI2SLRCK AM_LRCLK LB_A12 LB_D14 AM_ASDAT SCLK AM_ASDAT LB_A11 LB_D13 RT51 FAN_CTL LB_A10 LB_D12...
  • Page 44 RT750 IR_C_DOUT RT124 CT30 LB_D15 3300pF LB_D14 LB_D13 RT751 LB_D12 IR_PLGDIN LB_D11 UT53 LB_D10 LB_DS LB_D9 LB_RW LB_WR LB_D8 SN74HC1G32DBV LB_A18 UT33 UT54 CT434 LB_RD CT433 2.2uF 16V Y5V 0.1uF SN74HC1G04DBV SN74HC1G32DBV SECURITY MICRCO-14 (Modified portion) BOTTOM SIDE CT488 RT283 0.1uF Nostuff V1.8V...

  • Page 45: Pc Boards

    5. PC BOARD 5-1. Power Switch PC Board Fig. 3-5-1 UX03 Power Switch PC Board (Top side) Fig. 3-5-2 UX03 Power Switch PC Board (Bottom side)

  • Page 46: Kdb Front Pc Board

    5-2. KDB Front PC Board Fig. 3-5-3 UX02 KDB Front PC Board (Top side) Fig. 3-5-4 UX02 KDB Front PC Board (Bottom side)

  • Page 47: Dvd Main Pc Board

    5-3. DVD Main PC Board Fig. 3-5-5 UD01 DVD Main PC Board (Top side) Fig. 3-5-6 UD01 DVD Main (Bottom side)

  • Page 48: Parts List

    SECTION 4 PARTS LIST SAFETY PRECAUTION The parts identified by ! ( ) mark are critical for safety. Replace only with part number specified. The mounting position of replacement is to be identical with originals. The substitute replacement parts which do not have the same safety characteristics as specified in the parts list may create shock, fire or other hazards.

  • Page 49: Exploded Views

    1. EXPLODED VIEWS 1-1. Packing Assembly ;! ;# ;$ Note: The shape of the packing material is sometimes different. Fig. 4-4-1...

  • Page 50: Chassis Assembly

    1-2. Chassis Assembly A104 WN302 MD01 UT01 WN601 U801 WN901 UD01 WJ22 B903 WN25 UX03 S101B WX01 S101 A101V UX02 WN603 A101 Fig. 4-4-2...

  • Page 51: Parts List

    2. Parts list LOCATION PART NUMBER NUMBER DESCRIPTION - MECHANICAL PARTS - A101 P000386770 Front Panel A101V P000386700 Key,Cursor Support A104 P000377770 Cover,Top B903 P000386780 Fan ! MD01 P000386650 DVD Mechanism Assy S101 79089157 Switch,Tact RDSY0010 S101B P000386910 Jog Bracket WJ22 P000386790 Cable,ATAPI 40P,L220...
  • Page 52 LOCATION PART LOCATION PART NUMBER NUMBER DESCRIPTION NUMBER NUMBER DESCRIPTION UT01 P000386710 PC Board Assy Tivo Main - ELECTRICAL PARTS - - INTEGRATED CIRCUITS - ICY03 79089159 TOTX179 - CAPACITORS - UD01 P000386660 PC Board Assy DVD Main CTN2 P000387000 Jack,Mini Plug - INTEGRATED CIRCUITS - - MISCELLANEOUS - IC301...
  • Page 53 TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...

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