LDP-1450 (US, Canada)
| dumper | K1ngArth3r, f205v, caius |
| date | 60/10/2019 |
| emulator | |
| dev |
| name | 1677 |
| description | LDP-1450 (US, Canada) |
| year | 1990 |
| manufacturer | Sony |
Technical references
CPUs
| QTY | Type | clock | position | function |
|---|---|---|---|---|
| 1x | HA12127NT | AU-80 ic201 | stereo FM demodulation - SDIP56-600mil | |
| 1x | RC4558D | - | AU-80 ic202 | Op-Amp amplificatore - DIP8-300mil |
| 4x | RC4558M | - | CB-31 ic001-002-004-005 | Op-Amp amplificatore - SOIC8-300mil |
| 2x | unknown | CB-31 ic006-007 | SOIC16-300mil | |
| 1x | UPC358C | - | DC-40 ic701 | Dual Operational Amplifier |
| 1x | HD637B01Y0 | MB-40 ic901 | 8-bit Single-Chip Microcomputer - main (internal ROM not dumped, V2.1) | |
| 1x | RC4558D | - | MB-40 ic002 | Op-Amp amplificatore - DIP8-300mil |
| many | unknown | - | MB-40 | Still undergoing investigation |
| 1x | oscillator | 14.31818 | MB-40 X101 | |
| 1x | M51481P | VP-21 ic001 | Mitsubishi demodulator (also on player Sony MDP-212) - DIP22-300mil | |
| 1x | CX20061 | VP-21 ic002 | DOC Switch (also on player Sony MDP-212) - SIP8 | |
| 1x | CXL5005P | VP-21 ic003 | CCD 1H Delay Line for NTSC (also on player Sony MDP-212) - DIP14-300mil | |
| 1x | CXL1004P | VP-21 ic101 | CCD Delay Line (also on player Sony MDP-212) - DIP24-300mil | |
| 1x | CXA1018S | VP-21 ic102 | Error Detector (also on player Sony MDP-212) - SDIP42-600mil | |
| 1x | SN75107BN | VP-21 ic103 | Dual Channel Line Reciver (also on player Sony MDP-212) - DIP14-300mil |
ROMs
| QTY | Type | position | status |
|---|---|---|---|
| 0x |
RAMs
| QTY | Type | position |
|---|---|---|
| ? | Still under investigation |
PLDs
| QTY | Type | position | status |
|---|---|---|---|
| 1x | M60014-0120FP | MB-40 IC902 | VQFP80 (24x16) |
Others
| PCB code | function |
|---|---|
| AC-80 | Line Filter |
| AU-80 | Audio (audio PCB) |
| CB-31 | Slide Servo (servo PCB) |
| DC-40 | Power Supply |
| DC-41 | REG |
| DC-42 | REG |
| FP-300 | Switch, LED |
| LD-35 | Power LED |
| MB-40 | System Control (main PCB) |
| MD-42 | Slide Motor |
| MD-43 | Skew Motor |
| MD-44 | Loading Motor |
| PS-250 | Power Switch |
| PW-90 | Power Trans |
| PW-91 | Power Trans |
| VP-21 | Video (video PCB) |
| SW-150 | FG Detector |
| SW-151 | In/Out Limit Detector |
| SW-152 | Disc Size Detector |
| SW-153 | Load/Eject End Detector |
Notes
Files
-
case front
-
case back
-
case open on top
-
open case
-
open case left
-
open case middle
-
open case right
-
open case tray removed
-
open case main PCB removed
-
control panel left
-
control panel right
-
AC-80 component side
-
AC-80 solder side
-
AU-80 component side
-
AU-80 solder side
-
CB-31 component side
-
CB-31 solder side
-
DC-40 component side
-
DC-40 solder side
-
DC-41 component side
-
DC-41 solder side
-
DC-42 component side
-
DC-42 solder side
-
FP-300 component side
-
FP-300 solder side
-
LD-35 component side
-
LD-35 solder side
-
MB-40 assembled with audio PCB and servo PCB
-
MB-40 component side 1
-
MB-40 component side 2
-
MB-40 component side 3
-
MB-40 component side detail 1
-
MB-40 component side detail 2
-
MB-40 component side detail 3
-
MB-40 component side detail 4
-
MB-40 component side detail 5
-
MB-40 component side detail 6
-
MB-40 solder side 1
-
MB-40 solder side 2
-
MD-42 component side
-
MD-42 solder side
-
MD-43 component side
-
MD-43 solder side
-
MD-44 component side
-
MD-44 solder side
-
PS-250 component side
-
PS-250 solder side
-
PW-90 component side
-
PW-91 component side
-
PW-90 PW-91 solder side
-
SW-150 component side
-
SW-150 solder side
-
SW-151 component side
-
SW-151 solder side
-
SW-152 component side
-
SW-152 solder side
-
SW-153 component side
-
SW-153 solder side
-
VP-21 component side 1
-
VP-21 component side 2
-
VP-21 solder side
1677
