Brand: SANYO
Category: Video
Document Type: Manual
Language: EN
Manual for DVD-1500
Uploaded: Nov. 21, 2025, 6:38 p.m.
Basic Operation Summary
This manual covers the service and operation of SANYO DVD Video Players, including models like DVD-1500A, DVD-1500, and DVD-S1500. Key operational aspects include:
- Loading and Playback: Instructions on inserting discs and starting playback.
- Tray Mechanism: Details on the tray and base mechanism, including replacement and operation procedures.
- Signal Checks: Guidance on checking various signals like RF, servo signals (Focus, Tracking, Sled, Spindle), and tray control signals using oscilloscopes.
- Disc Identification: Procedures for the player to identify disc types (DVD Dual, DVD Single, CD, CDRW, NoDisc).
- Adjustments: Information on performing auto-adjustments for SGC, Tracking Balance, Focus Gain, and Tracking Gain.
The manual also provides schematics, wiring diagrams, and troubleshooting tables for service technicians.
Troubleshooting and error codes
| Name | TP label | IC, CN Location | Pin no. | Description |
|---|---|---|---|---|
| FE | TP101 | IC100 | 25 | Focus Error Signal(Analog) |
| TE | TP102 | IC100 | 30 | Trk Error Signal(Analog) |
| RFN | TP104 | IC100 | 40 | RF Signal(Analog) |
| RFP | TP105 | IC100 | 41 | RF Signal(Analog) |
| BH | TP106 | IC100 | 42 | Bottom Hold Signal(Analog) |
| PH | TP107 | IC100 | 44 | Peak Hold Signal(Analog) |
| DEF | IC100 | 46 | High: When passing defection | |
| LD1 | TP122 | Q1004 | E | DVD Laser Power Supply(Analog) |
| LD2 | TP124 | Q1005 | E | CD Laser Power Supply(analog) |
| TESIO | TP201 | IC200 | 2 | TES(Track crossing signal) |
| SLICBIAS | TP202 | IC200 | 26 | EFM Slice Bias(Analog) |
| HFLBIAS | TP204 | IC200 | 28 | MIRROR Slice Bias(Analog) |
| HFLIO | TP206 | IC200 | 44 | MIRROR signal |
| FSEQ | TP211 | IC200 | 84 | High : Sync synchronised LO : Async |
| PCK | TP224 | IC200 | 136 | Clock generated by PLL |
| EFMOUT | TP226 | IC200 | 134 | RF Digitized signal |
| DEFECTO | TP220 | IC200 | 201 | High: When passing defection |
| TOST | TP246 | IC200 | 29 | Trk Offset Control(analog) |
| FOST | TP247 | IC200 | 30 | Focus Offset Control(analog) |
| BOOST3T | TP248 | IC200 | 31 | RF EQ Control(analog) |
| RFVCA | TP249 | IC200 | 32 | RF Voltage Control(analog) |
| TBAL | TP250 | IC200 | 33 | Trk Balance Control(analog) |
| FBAL | TP251 | IC200 | 34 | Fcs Balance Control(analog) |
| SGC | TP252 | IC200 | 35 | Signal Gain Control(anlog) |
| HFBUSYB | TP254 | IC200 | 50 | Function Busy Low during jump, adjustment so on. |
| JVAO | TP257 | IC200 | 154 | Jitters value(analog) |
| TD | TP601 | IC200 | 38 | Trk Driver out(analog) |
| FD | TP602 | IC200 | 39 | Focus Driver out(analog) |
| SPD-FG | TP604 | IC602 | 24 | Spindle FG signal |
| U, V, W | IC602 | 7,4,2 | Spindle Coil Voltage | |
| U+/-, V+/-, W+/- | IC602 | 9, 10, 11 | Spindle Hall Voltage 12, 13, 14 |
|
| SLD | TP607 | IC200 | 36 | Sled Driver out(analog) |
| SPD | TP608 | IC200 | 37 | Spindle Driver out(analog) |
| OPEN | IC601 | 16 | TRAY control signal | |
| CLOSE | IC601 | 15 | TRAY control signal | |
| OPEN-SW | CN600 | 5 | TRAY Limit SW | |
| CLOSE-SW | CN600 | 3 | TRAY Limit SW | |
| HRST | CN500 | 2 | RESET from Backend | |
| RESET | IC502 | 6 | RESET to Micom | |
| VREF | IC100 | 27, 79 | Reference Voltage(2.5V) |