CDVD Drive
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Overview
The drive is known as MD-block in internal Sony documentation.
Mechanics
Slide/spindle/pickup assemblies (work in progress)
- The only fat PS2 drive that uses such a fully integrated/preassembled drive assembly is the J-chassis' drive
- Some of the slim drives exist with different cable lengths for different chassis. K-chassis and L-chassis use same cable length, as do P-chassis and R-chassis. M-chassis and N-chassis use different cable lenghts. This makes a total of 4 slim PS2 drive "types" regarding cable length.
- TDP062W
- J-chassis
- PVR-702W pickup
- KHM-430AAA (with K-chassis/L-chassis compatible cable length)
- K-chassis, L-chassis
- KHM-430 pickup
- KHM-430BAA (with M-chassis compatible cable length)
- M-chassis
- KHM-430C pickup
- TDP182W (with M-chassis compatible cable length)
- M-chassis
- PVR-802W pickup
- TDP182W (with N-chassis compatible cable length)
- N-chassis
- PVR-802W pickup
- KHM-430CAA (with P-chassis/R-chassis compatible cable length)
- P-chassis, R-chassis
- KHM-430C pickup
Electronics
Optical pickup
Notes
- KHS-400R seems to be a rebadged Sanyo SF-HD7 with a different plastic cap to remove the "HD7" labelling present on the SF-HD7; they are completely drop-in interchangeable
- KHS-400B and KHS-400C are electrically compatible, but differ in thickness of their bases, making them mechanically incompatible (putting a KHS-400C in place of a KHS-400B will seem to work at first, but the flex cable will bend heavily once the pickup reaches the outer area while moving)
- KHS-400C and KHS-400R / SF-HD7 are mechanically fully compatible, but require different calibration data for MechaCon
- There are 2 different lens assemblies for KHS-400B, which require different calibration data for MechaCon: T487 (white ring around lens) and T609K (yellow ring around lens). Some early T609K have a white ring around the lens. These pickups have a violet marking at the adjustment screw.
- KHS-400B (with T487 lens assembly) can fully drop-in replace KHS-400A, but not vice versa (mechanical reasons). KHS-400B with T609K lens assembly can also be used, but requires different calibration data for MechaCon.
- PSX consoles always have 2 pickups: One KHS-400C (for PS2 games only) and KWS-200A (XPD-001 motherboard) or SF-DB11 (XPD-005 motherboard). Every disc will first be detected by the KWS-200A / SF-DB11, so if this pickup is broken, the console also won't read PS2 games, since the KHS-400C only becomes active once a PS2 game has been detected
- The drive mechanisms of earlier and later PSX consoles are completely different (except the KHS-400C), so you can't replace a KWS-200A with a SF-DB11 (same goes for vice versa)
- PVR-802W and KHM-430 seem to be mostly identical; KHM-430 is probably a rebadged PVR-802W, as it is with KHS-400R / SF-HD7
Pickup types
Sony
- KHS-400A (A-chassis, A+-chassis)
- KHS-400B (AB-chassis, B/B'-chassis, C/C'-chassis, D/D'-chassis)
- with T487 lens assembly
- with T609K lens assembly
- KHS-400C (F-chassis, G-chassis, H-chassis, I-chassis)
- KHS-400R (F-chassis, G-chassis, H-chassis, I-chassis)
- KWS-200A (DVR/DVD-burning laser in earlier PSX consoles)
- KHM-430
- KHM-430C
Sanyo
- SF-HD7 (F-chassis, G-chassis, H-chassis, I-chassis)
- SF-DB11 (DVR/DVD-burning laser in later PSX consoles)
Mitsumi
- PVR-702W (J-chassis)
- PVR-802W (download datasheet)
Sankyo
- SPU-3170
Third party replacements/clones
- KHS-400H / PS-400H (replaces KHS-400R / SF-HD7)
- KHS-400Q / PS-400Q (replaces KHS-400C)
- KHS-400W (replaces KHS-400C)