Service Manuals, User Guides, Schematic Diagrams or docs for : Daewoo LCD SL300V SL300V(CASTEL)

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                                         S/M NO. : TSL300VEF1

Service Manual
Model :      DLV-32C7SMB

   : In this Manual, some parts can be changed for improving. their
     performance without notice in the parts list. So, if you need the
     latest parts information, please refer to PPL(Parts Price List)in
     Service Information Center.

                                                       MAR. 2007
1. Safety Precaution                                              3

2. Preliminary Troubleshooting                                     4

3. Product Specification                                           5
   1) Standard of Product                                          5
   2) Available Input Signal                                       6
   3) Available PIP Mode                                           6

4. Service Remote Controller                                       7
   1) Key Arrangement                                              7
   2) EEPROM Data                                                  8

5. Block Diagram                                                  11

6. Hardware Troubleshooting : Digital Board                       12

7. Hardware Troubleshooting : SMPS                                16
   1) FEL-3237A : DLV-32C7SMB, DLV-37C7LMB                        16
   2) FEL-42C1 : DLV-42C7LMB                                      18

8. Bill Of Materials                                              20
   1) DLV-32C7SMB                                                 20
   2) Differental Materials Besides Mechanical Parts              29

9. How to S/W Upgrade Tools                                       30
   1) Requirements                                                30
   2) Outline of the S/W upgrade tool, which is DTV_Updater.exe   30
   3) How to upgrade decoder of LCD TV                            31
   4) How to upgrade PIC micom of LCD TV                          35

10. Schematics : Digital Board                                    40

11. Schematics : SMPS                                             49
   1) FEL-3237A : DLV-32C7SMB, DLV-37C7LMB                        49
   2) FEL-42C1 : DLV-42C7LMB                                      50

12. Mechanical Development Figure                                 51
  1) DLV-32C7SMB                                                  51
  2) DLV-37C7LMB                                                  52
  3) DLV-42C7LMB                                                  53

1. Safety Precaution

(1) When moving or laying down a LCD Set, at least two people must work together. Avoid any
    impact towards the LCD Set.

(2) Do not leave a broken LCD Set on for a long time. To prevent any further damages, after
    checking the condition of the broken Set, make sure to turn the power (AC) off.

(3) When opening the BACK COVER, you must turn off power (AC) to prevent any electric

(4) When loosening screws, check the position and type of the screw. Sort out the screws and
    store them separately for reassembling. Because screws holding PCBs are working as
    electric circuit grounding, make sure to check if any screw is missing when assembling /
    reassembling. Do not leave any screws inside the set.

(5) A LCD Set contains different kinds of connector cables. When connecting or disconnecting
    cables, check the direction and position of the cable beforehand.

(6) Connect/disconnect the connectors slowly with care especially FFC (film) cables and FPC
    cables. Do not connect or disconnect connectors instantaneously with force, and handle
    them carefully for reassembling.

(7) Connectors are designed so that if the number of pins or the direction does not match,
    connectors will not fit. When having problem in plugging the connectors, check their kind,
    position, and direction.

2. Preliminary Troubleshooting

1) LCD TV does not response or remote controller does not work.
   - Check the power cord to be plugged.
   - Check the battery of the remote controller.

2) Sound is discontinuous or broken sometimes.
   - Check if [SOUND] -> [AVC] is [ON].
   - Set the sound effect into 'F Mono'.
   - Set the [SOUND] -> [DTV Volume] into proper value.
   - [DTV Volume] is enabled only in digital program.

3) Picture of digital program is sometimes broken and sound is discontinuous.
   - Digital program has a little problem because of signal receiving status.
   - Check if the RF cable is correctly connected.
   - Ask for the broadcasting station if the RF cable connection has no problem.

4) Picture of analog program is noisy.
   - Check the RF cable connection.
   - Check if [Picture] -> [Noise Reduction] is ON.
   - Change the [Install] -> [Programme Setup] -> [Fine] value.

5) Sound is not generated in HDMI mode.
   - Reconnect HDMI jack.
   - DVI signal has no sound. Check the output signal of device to be connected to LCD TV.
   - If you want to use DVI-HDMI cable, you should also connect audio cable into the LCD TV.

6) In spite of 'Auto Setup', picture size is not completely adapted to the screen.
   - Check if the input signal is available.
   - Ensure that the desktop has no black area.
   - Some errors (picture position problem) will be occurred according to certain video card.
     In this case, you should adjust 'Frequency' control.

7) In spite of 'Auto Setup', picture is not clear.
   - Adjust 'Phase' control.

3. Product Specification

1) Standard of Product

                     Features        DLV-32C7SMB              DLV-37C7LMB              DLV-42C7LMB

   LCD Panel       Panel Model       LTA320WT-LF2            LC370WX1-SL01            LC420WX5-SLA1
                   Screen Size             81 cm                     93 cm                  106 cm
                   Aspect Ratio            16 : 9                    16 : 9                  16 : 9
                    Resolution          1366 X 768                 1366 X 768            1366 X 768
                                          (WXGA)                    (WXGA)                 (WXGA)
                    Pixel Pitch        0.51075 mm               0.60000 mm               0.68100 mm
                  Contrast Ratio      5000 : 1 (MAX)          5000 : 1 (MAX)           5000 : 1 (MAX)
                    Brightness           550 cd/m2                 500 cd/m2              500 cd/m2

   TV System        Receiving             DVB-T                      DVB-T                  DVB-T
                     System              PAL-B/G                    PAL-B/G                PAL-B/G
                                         PAL-B/H                    PAL-B/H                PAL-B/H
                                        NTSC (AV)                  NTSC (AV)             NTSC (AV)

  LVDS Cable                              FI-E30S             FL-X30SSL-HF             FL-X30SSL-HF

   LVDS B+                                  +5V                      +12V                    +12V

Input Connector         RF           50 Ohm Coaxial          50 Ohm Coaxial           50 Ohm Coaxial
                  S-Video / Video             2                        2                       2
                   Component             RCA X 2                    RCA X 2                RCA X 2
                     PC RGB             D-Sub X 1                  D-Sub X 1              D-Sub X 1
                    PC Audio        3.5 mm Mini - Jack      3.5 mm Mini - Jack       3.5 mm Mini - Jack
                      HDMI                    1                        1                       1

    Output            SPDIF            Optical - Jack          Optical - Jack           Optical - Jack
   Connector       Headphone                  X                        X                       X
                   Monitor - out              1                        1                       1

 Sound Output          Max.                 10W                      10W                     10W

 Power Module         Model             FEL-3237A                  FEL-3237A              FEL-42C1

    Power              Max.                155W                      195W                   198W
 Consumption      Power Source          220-240V~                  220-240V~             220-240V~
                                         50-60Hz                    50-60Hz                50-60Hz
   Dimension      Set Dimension      806 x 628.5 x 240 mm    940 x 720 x 328.7 mm    1037 x 788.7 x 328.7 mm
  (W x H x D)      (with stand)
                  Set Dimension      806 x 574.5 x 114 mm     940 x 655 x 130 mm     1037 x 723.8 x 124.9 mm
                  (without stand)
  Wall Mount        Dimension        315 x 235 x 50 mm       315 x 235 x 50 mm       698 x 460 x 46.6 mm
                     Hall Size      100 x 200 screw 

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