Toshiba 20SLDT1 Service Manual
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Toshiba 20SLDT1 Service Manual

Lcd tv/dvd combination
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FILE NO. 810-200716GR
SERVICE MANUAL
LCD TV/DVD COMBINATION
20SLDT1
The above model is classified as a green product (*1), as indicated by the underlined serial number.
This Service Manual describes replacement parts for the green product. When repairing this green
product, use the part(s) described in this manual and lead-free solder (*2).
For (*1) and (*2), see the next page.
DOCUMENT CREATED IN JAPAN, March, 2007 GREEN

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Summary of Contents for Toshiba 20SLDT1

  • Page 1 FILE NO. 810-200716GR SERVICE MANUAL LCD TV/DVD COMBINATION 20SLDT1 The above model is classified as a green product (*1), as indicated by the underlined serial number. This Service Manual describes replacement parts for the green product. When repairing this green product, use the part(s) described in this manual and lead-free solder (*2).

  • Page 2: Dvd Block Diagram

    DVD BLOCK DIAGRAM LCD BLOCK DVD LOADER SL265WR 3.3V, 1.8V DVD/CDPD DVD_MENU RF_A, B, C, D, E, F DVD_TRIP STABY_1 VIDEO DVD/CD, DVD_LD, CD_LD DVD C DVD Y V1P4/FMO/FOO DVD_IR TR+/-, F+/- Motor Drive TRO/STBY/DMO SPINDLE/ MPEG/MICON/DSP/RF_AMP SP+/-, SL+/- D001 STEPING/ DVD POWER BA5954...
  • Page 3 SCALER/LVDS/VIDEO BLOCK DIAGRAM EEP_ROM U16 24C02 14.31818MHz GDDCC GDDCD DGA3/LVA0M DGA2/LVA0P SCALER VGA_BLUE DGA1/LVA1M VGA_GREEN DGA0/LVA1P VGA_RED MST718BE DBA5/LVA2M LCD PANEL DBA4/LVA2P HD Y HD PB SWITCH DBA3/LVACKM HD PR DBA2/LVACKP DVD Y DVD PB ADG794 DBA1/LVA3M DVD PR DBA0/LVA3P...

  • Page 4: Audio Block Diagram

    AUDIO BLOCK DIAGRAM TV TUNER TV L/R J P 9 EARPHONE AV1_AUDIO_IN_R PHONE R AV1_AUDIO_IN_L ROUT MAX _ L AUDIO LOUT PHONE L AV2_AUDIO_IN_R SW IC AUDIO AMP MAX _ R U9 TDA7266SA AV2_AUDIO_IN_L BU4052 AUDIO IC Y P BPR_AUDIO_IN_R BD3888 Y P BPR_AUDIO_IN_L AMP_ROUT...

  • Page 5: Power Block Diagram

    POWER BLOCK DIAGRAM P O W E R S U P P L Y T V F 1 LV 3 V C C _ D V D N J M 4 5 8 0 U 11 U 2 6 B D 3 8 8 8 7 4 LV 4 0 5 2 T D A 7 2 6 6 1 2 V _ S W...

  • Page 6: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS MAIN (TOP SIDE) MAIN (BOTTOM SIDE)

  • Page 7: Operation

    PRINTED CIRCUIT BOARDS OPERATION LED (TOP SIDE) LED (BOTTOM SIDE) REMOCON (TOP SIDE) REMOCON (BOTTOM SIDE) DVD OPERATION (TOP SIDE) DVD OPERATION (BOTTOM SIDE)
  • Page 8 POWER PCB (TOP SIDE) POWER PCB (BOTTOM SIDE)
  • Page 9 MST718BE SCHEMATIC DIAGRAM (MAIN PCB)

  • Page 10: Power Schematic Diagram

    POWER SCHEMATIC DIAGRAM (MAIN PCB) y l f...

  • Page 11: Audio Schematic Diagram

    AUDIO SCHEMATIC DIAGRAM (MAIN PCB)
  • Page 12 HDTV SCHEMATIC DIAGRAM (MAIN PCB)
  • Page 13 VGA SCHEMATIC DIAGRAM (MAIN PCB) H-10...
  • Page 14 TUNER+IF SCHEMATIC DIAGRAM (MAIN PCB) H-11 H-12...
  • Page 15 AV IN SCHEMATIC DIAGRAM (MAIN PCB) H-13 H-14...
  • Page 16 POWER SCHEMATIC DIAGRAM (POWER PCB) r e t . t i t a i H-15 H-16...

  • Page 17: Interconnection Diagram

    INTERCONNECTION DIAGRAM CN306 CN305 CN304 AC120~240V 50/60Hz POWER PCB CN303 CN302 CN301 SLOT IN DVD DRIVE OPTICAL PICK-UP LCD PANEL DISC-IN-DVD DISC-IN-DVD DVD MECHA STAND-BY-DVD STAND-BY-DVD VCC-DVD VCC-DVD JP12 VCC-DVD VCC-DVD DRA0 DRA0 SPINDLE MOTOR POWER-DVD POWER-DVD DGA7 DGA7 IR-DVD IR-DVD DGA6 DGA6...
  • Page 18 WAVEFORMS AV SWITCH2 100µs 2.0ms 20ns 2.0V 500mV 1.0V SOUND AMP/HEADPHON AMP MICON 2.0ms 100µs 50ns 500mV 2.0V 500mV SCALER 2.0ms 20µs 20µs 500mV 500mV 500mV TUNER 20µs 20µs 2.0ms 500mV 2.0V 500mV STEREO 2.0ms 20µs 2.0ms 2.0V 500mV 500mV The following waveforms were measured at the point of the corresponding NOTE: balloon number in the schematic diagram.
  • Page 19 WAVEFORMS 5µs 20µs 5µs 500mV 200mV 2.0V LVDS 20µs 10ms 5µs 200mV 100mV 500mV JACK INTERFACE_HDMI IC 1.0ms 20µs 20µs 1.0V 1.0V 200mV 1.0ms 20µs 20µs 1.0V 1.0V 500mV 20µs 10µs 5µs 1.0V 2.0V 500mV The following waveforms were measured at the point of the corresponding NOTE: balloon number in the schematic diagram.
  • Page 20 WAVEFORMS AUDIO/VIDEO MPEG/MICON/DSP 2µs 500µs 10ns 500mV 2.0V 100mV 500µs 500mV 20mV 20ns 10µs 200mV 1.0V 200ns 10µs 1.0V 200mV MEMORY REGULATOR 2 2µs 2.0V 500mV The following waveforms were measured at the point of the corresponding NOTE: balloon number in the schematic diagram.

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