Main Board CQD2285 is one of spare parts for JRC JCY-1900 / 1950 VDR.
The following is maintenance parts list
| No | Unit (Model) | Parts name (Code) | Remark |
| 1 | RCU （NDV-1900/1950） | Main Control Board (CDJ2510) | With two security seal. |
| Long-term recording medium (CDD756) | 1 piece. Need two pieces in the system. With four fixing screws and one security seal. | ||
| Audio Recording Board (CHA1900) | |||
| Terminal Board (CQD2281) | |||
| Power Supply Unit (CBM221) | |||
| Battery Unit (CBN80) | With harness | ||
| FAN (7BFNA4002) | 1 piece. Need two pieces in the system. | ||
| 2 | OPU (NCG-1900/NCG-1950) | No parts | Set exchange. |
| 3 | DSC 32ch (NCT-82) | Main Board (CQD2284) | |
| A/D Converter Board (CEF60-R) | |||
| Filter Unit (CBJ166) | |||
| 4 | DSC 64ch (NCT-83) | Main Board (CQD2285) | |
| A/D Converter Board (CEF60-R) | |||
| Filter Unit (CBJ166) | |||
| 5 | DAU (NCT-84) | Serial LAN Converter board (CMH2370) | |
| Analog Option Circuit (CMJ560) | |||
| Gyro Interface board (CMJ554) | |||
| Filter Unit (CBJ166) | |||
| 6 | FGU (NWP-69) | Frame Grabber Board (CKA-137A) | |
| Filter Unit (CBJ166) | |||
| FAN (7BFNA4001) |
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