Brand: TOSHIBA
Category: DVD Player
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for SD-57HTKR
Uploaded: Nov. 21, 2025, 8 p.m.
Manual Publish Date: 2006-11-01
Warranty Information
This service manual describes replacement parts for the green product, use lead-free solder for repairs.
This service manual provides detailed instructions for the disassembly and repair of the TOSHIBA SD-57HTKR DVD Home Cinema System. It includes safety precautions, troubleshooting steps, block diagrams, wiring diagrams, schematic diagrams for various circuit boards (Main PCB, Control PCB, Power Supply), printed circuit board layouts, exploded views for parts identification, and a comprehensive parts list with corresponding part numbers and descriptions. Emphasis is placed on using lead-free solder and green parts for repairs to comply with environmental regulations. The manual details procedures for dismantling specific components like the front panel, main PCB, DVD module, power board, DC power cord, and switch voltage cable. Troubleshooting covers common issues such as no power, no picture, picture noise, aspect ratio problems, sound issues, surround effect problems, and system operation errors. Detailed schematics and PCB layouts aid in diagnosing and replacing faulty components.
Troubleshooting and error codes
| Issue | Possible Cause | Solution |
|---|---|---|
| No power | Power cord not plugged in. | Ensure power cord is firmly plugged into the wall outlet. |
| Safety mechanism operating. | Unplug the player from the wall outlet, wait, then plug it in again. | |
| No picture | System not connected securely. | Check all connections are secure. |
| Damaged video cable. | Replace with a new one. | |
| Incorrect TV input selected. | Connect system to the correct video input jack on the TV and select the correct input on the TV. | |
| Incorrect TV TYPE and VIDEO OUTPUT settings. | Ensure setup menu settings are correct. | |
| Picture noise appears | Dirty disc. | Clean the disc. |
| Copy-protection issues. | Connect the DVD system directly to the TV, bypassing any VCR. | |
| Aspect ratio cannot be changed | Aspect ratio fixed on DVD disc. | The aspect ratio is determined by the DVD disc. |
| Connection to TV. | Connect directly to TV; aspect ratio change may depend on TV capabilities. | |
| No sound or very low-level sound | Speakers/components not connected securely. | Check speaker and component connections. |
| Incorrect source selected. | Ensure the correct source is selected on the system. | |
| Protective device activated (short circuit). | Turn off system, eliminate short circuit, and turn on again. | |
| Damaged audio connecting cord. | Replace with a new one. | |
| System in pause, slow-motion, fast forward/reverse. | Press PLAY/PAUSE to return to normal play mode. | |
| Incorrect speaker settings. | Check speaker settings. | |
| No stereo sound effect (VCD/CD) | Audio mode not set to STEREO. | Set the Audio mode to STEREO. |
| Incorrect connection. | Ensure system is connected appropriately. | |
| Surround effect difficult to hear (Dolby Digital) | Incorrect speaker connections. | Check speaker connections. |
| Disc audio format limitations. | Output may be monaural or stereo even if recorded in Dolby Digital. | |
| Sound from center speaker only | Disc specific audio routing. | Sound may come from the center speaker only depending on the disc. |
| No sound from rear speakers | Speaker volume adjustment needed. | Adjust the speaker volume. |
| Subtitle language cannot be changed | No multilingual subtitles on DVD. | Multilingual subtitles are not recorded on the DVD. |
| Subtitle language change prohibited on DVD. | Changing language may be prohibited on the DVD. | |
| Subtitles cannot be turned off | Subtitle setting prohibited on DVD. | Depending on the DVD, subtitles may not be turnable off. |
| Angles cannot be changed | Multi-angle feature not on DVD. | Multi-angles are not recorded on the DVD. |
| Angle change condition not met. | Change angles only when the angle mark appears on the TV screen. | |
| System does not operate properly | Static electricity or other interference. | Press ON/STANDBY to turn off, then press again to turn on. |