Brand: SANYO
Category: Video
Document Type: Parts/Service
Language: EN
Parts/Service for DC-DVD888
Uploaded: Nov. 21, 2025, 6:18 p.m.
What to Do If Unit Operation or Display is Not Normal
- Disconnect the power cord from the AC outlet.
- Press the RESET button for at least 20 seconds.
- Connect the power cord.
- Press the POWER button to turn the power on.
Mechanism Replacement - Tray and Base Mechanism Part
The manual provides detailed steps and diagrams for replacing the tray and base mechanism parts, including lubrication points for grease and oil.
Mechanism Operation - Tray Setting
Instructions are given for setting the tray, including aligning gears and holes, and sliding components.
DVD P.W.BOARD OPERATION
This section details the operation and circuit configurations of the DVD Printed Wiring Board, including block diagrams and signal monitoring tables with waveform references.
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 12, 13, 14 |
Spindle Hall Voltage | |
| 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) |