Brand: JVC
Category: Audio System
Document Type: Parts/Service
Language: EN
Parts/Service for XV-S300BK / XV-S302SL
Uploaded: Nov. 21, 2025, 6:01 p.m.
Manual Publish Date: 2002-04-01
- Initializes the DVD player by unplugging and replugging the power while holding specific buttons.
- Displays laser current value and jitter value for diagnostics.
- Adjusts the pickup guide shaft to optimize jitter value.
- Confirms operation of various functions like tray movement, muting, and playback after repair.
- Troubleshoots servo-related issues using a flowchart and error check points.
Troubleshooting and error codes
| Press OPEN /CLOSE key | ||
| Is tray operation correct? | N | Confirmation of tray drive circuit and circuit in surrounding |
| Y | ||
| Is the traverse moving along the innermost perimeter for SW detection? | N | See "(3) Traverse movement error" in "Check points for individual errors" |
| Y | See "(2) Disk detection, distinction error" in "Check points for individual errors" | |
| "NO DISC" message appears immediately after vertical movement of the pick-up lens | Y | |
| The state that DISC does not rotate continues for several seconds, and becomes NO DISC or an error display afterwards. | N | The rotation of DISC becomes high-speed and abnormal, and becomes NO DISC or an error display afterwards. See "(1) Spindle startup error" in "Check points for individual errors" |
| Is focus retraction OK? FE OFF ON Even when it retracts correctly, if it is out of focus and makes repeated retries with a clicking sound, it is in error. | N | See "(4) Focus ON error" in "Check points for individual errors" |
| Y | A | |
| Is the inter-layer jump OK? FE LO - LI | N | (8) Inter-layer jump error |
| Y | Two layers of DVD only. | |
| Is tracking retraction OK? TE OFF ON (If TE waveform reappears or fails to converge after the TE retraction, it is in error. | N | See "(5) Tracking ON error" in "Check points for individual errors" |
| Y | A | |
| Is the spindle servo locked correctly? | N | See "(6) Spindle CLV error" in "Check points for individual errors" |
| (is the RF OUT waveform locked correctly? | Y | |
| A | ||
| Has the disc information been collected? | N | (7) Address read error |
| Y | Stop will result | |
| Is playback possible? | N | Check (9), (10), (11), and (12) items in "Check points for individual errors" |
| Y | OK! |