TDA1541A NOS versus OS with Philips -110 dB Low Pass Filter
I hear and read that there is some unrest regarding my NOS measurement. 😉 , this time with -110 dB Low Pass Filer CD player output followed by Philips -110 dB Low Pass Filter ...
Author: Bram
Acquired defective CD 100
Was offered this defective CD 100 for acquisition. First Finding , Laser won’t turn on ? This is a later model and has a CDM-1 The laser safety switch is not working because the...
SRC4192 – TDA5141A Measurements
Measurements of a TDA1541a at 192 kHz with a SRC4192 Intermodulation distortion , measured at CD player analog output Red : SAA7220p/b Blue : SRC4192 1 kHz dithered fs 48 kHz input , measured...
CDM-2 Radial Servo Whining Loudly in CD 150
Experiment. Spent a bit of time messing around with a defective CD 150 I received, one of whose servos is whining loudly. The player has a CDM-2 and there are a lot of variants...
Repair and Refurbishing a used CD303
Repair and Refurbishing a used CD303 , takes some time to startup, won’t read disc Sneak peek Audio level potmeter 22 KB = linear potentiometer ? should have be a KA, Logarithmic , anyway...
CD 100 Crackles , Clicking and Distortion , Updated
This CD 100 is bought on eBay and still has some trouble ,Can I help? “The reader had been completely revised with news capacitors and converted to 14 bits instead of 16 , When...
Replace SAA7220 with an SRC4192
Update 06-04-2026 , Lets finish this project 😉 , made Proto 2 The board board will upsample the 44.1kHz to 192 kHz , by removing the SAA7220 We will lose te following features is...
CD 160 Repair and Refurbish
Got this CD160 as scrap , it still looks neat. Does not read CDs, and the display is defective. Okay , it try to play CD’s Cleaned the lens Some maintenance on the swing...
Philip Compact Disc NIEUWS
Translate February 28, 1983 Gentlemen, “Today is a memorable day in the history of sound”. This headline appears today above a full-page advertisement that Philips has placed in every Dutch newspaper. For we would...