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
2x	SN74LS221N		MB-40 ic1, ic103	Dual Monostable Multivibrators - DIP16-300mil
1x	RC4558D	-	MB-40 ic002	Op-Amp amplificatore - DIP8-300mil
1x	SN74HC86AN		MB-40 ic3	Quadruple 2-Input Exclusive-OR Gates - DIP14-300mil
2x	BA7021		MB-40 ic4, ic6	Video Signal Switcher - SIP9
1x	MB89010A		MB-40 ic5	8-bit Proprietary Microcontrollers F2MC-8L MB89051 Series (internal ROM not dumped) - DIP22-400mil
1x	TC9015P		MB-40 ic101	unknown - DIP24-300mil
3x	TC4053BP	-	MB-40 ic102, ic201, ic402	Triple 2-Channel Multiplexer/Demultiplexer - DIP16-300mil
2x	SN74HC00AN	-	MB-40 ic104, ic105	Quadruple 2-Input Positive NAND Gates - DIP14-300mil
1x	MB88201H		MB-40 ic106	Low End Single-Chip 4-bit microcomputer (internal 512x8-bit MaskROM not dumped) - DIP16-300mil
1x	HD14555BP		MB-40 ic107	Dual Binary to 1-of-4 Decoder/Multiplexer - DIP16-300mil
1x	PA0009		MB-40 ic121	Signal Separator - DIP16-300mil
1x	CXD1091S		MB-40 ic202	unknown - SDIP48-600mil
1x	TC4011BP		MB-40 ic203	Quad 2 Input NAND Gate - DIP14-300mil
4x	TC4538BP		MB-40 ic205, ic206, ic207, ic209	Dual Precision Retriggerable/Resettable Monostable Multivibrator - DIP16-300mil
1x	TC4024BP		MB-40 ic208	7 Stage Ripple-Carry Binary Counter/Dividers - DIP14-300mil
8x	NJM4558S	-	MB-40 ic301, ic302, ic310, ic306, ic309, ic401, ic405, ic451	Dual Operational Amplifier - SIP9
1x	HA11529NT	-	MB-40 ic313	Laser Disc Player SSP (surround sound processor?) - SDIP42-600mil
1x	STA302A	-	MB-40 ic403	General purpose/3-phase motor drive - SIP8
1x	STA303A	-	MB-40 ic404	General purpose/3-phase motor drive - SIP8
1x	NJM2903S	-	MB-40 ic452	Dual Comparator - SIP9
1x	TA7713P	-	MB-40 ic453	3 Phase Bi-Directional Type Motor Control - DIP20-300mil
1x	HD637B01Y0		MB-40 ic901	8-bit Single-Chip Microcomputer - main (internal ROM not dumped, V2.1)
1x	D8251AFC		MB-40 ic903	Programmable Communication Interface - DIP28-600mil
1x	MB88201		MB-40 ic904	Low End Single-Chip 4-bit microcomputer (internal 512x8-bit MaskROM not dumped) - DIP16-300mil
1x	MC145406P	-	MB-40 ic906	Driver/Receiver (RS-232-D) - DIP16-300mil
1x	SN74HC74AN		MB-40 ic909	Dual D-Type Positive-Edge-Triggered Flip-Flops - DIP14-300mil
1x	CX20106A	-	MB-40 ic910	Infrared Remote Control Receiver - SIP8
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 Receiver (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