Brand: PIONEER
Category: DVD Player
Document Type: Manual
Language: EN
Brand: PIONEER
Category: DVD Player
Document Type: Manual
Language: EN
Uploaded: Nov. 21, 2025, 9:07 p.m.
Manual Publish Date: 2011-07-01
This manual provides service information for the PIONEER DV-2022 DVD Player. It covers safety precautions, specifications, basic service items, block diagrams, diagnosis and troubleshooting, service modes, disassembly, adjustment procedures, exploded views, parts lists, schematic diagrams, and waveforms. The information is intended for qualified service technicians.
| Problem | Troubleshooting Steps | Further Steps/Notes |
| POWER DOES NOT TURN ON | Is the voltage at pins 5 and 6 of CD502 about 3.3V and at pins 7 and 8 of CD502 about 6V? No | Check AT+3.3V line of POWER BLOCK. Check IC503, T501 and peripheral circuit. |
| Yes | Is there waveform at X4001 about 3.0V p-p? No | |
| Yes | Write DVD FIRMWARE DATA. | |
| DECK DOES NOT ACCEPT OPEN/CLOSE | Is the voltage at pin 8 and 19 of IC2301 about DC6V? No | Check P.CON 6V line of POWER BLOCK. |
| Yes | Is the lose connection at CP2302 to DECK? Yes | |
| No | Change DVD LOADER. | |
| DOES NOT LIGHT ON DISPLAY | Is the voltage at pin 7 and pin 21 of IC601 about 3.3V? No | Check AT+3.3V line of POWER BLOCK. |
| Yes | Replace V651 or IC601. | |
| NO PLAYBACK PICTURE OF AV JACK | Is there a voltage (beam current) at Q2302 and Q2303? No | Check LOADER BLOCK. |
| Yes | Is there a signal at pin 100 of IC4001? No | |
| Yes | Is there video signal at J7302. Yes | |
| Change IC4001. | ||
| NO DIGITAL AUDIO ON PLAYBACK OF COAXIAL JACK. | Is there waveform at pin 2 of J8001 about 0.3Vp-p? No | Check connection at RCA Cable. |
| Yes | Is there waveform at pin 93 of IC4001 about 0.3V p-p? No | |
| Yes | Change IC4001. | |
| NO ANALOG AUDIO ON PLAYBACK. | Is there AUDIO signal at pins 1 and 7 of IC8003? No | Check J7302 and peripheral circuit. |
| Yes | Is there AUDIO signal at pins 2 and 6 of IC8003? Yes | |
| Change IC8003. |