LDP-1450 (US, Canada)

EMU Infos

dumper	K1ngArth3r, f205v, caius
date	60/10/2019
emulator
dev

PCB Infos

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

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