Philips CD100 - Page 78

PCB with Code
Expired, added, modified
Reason
PCB with Code
Expired, added, modified
Reason
PCB with Code
Expired, added, modified
Reason
PCB with Code
Expired, added, modified
Reason
Introduction of RAFOC arm in which the focus unit is
integrated
New Erco IC (M4281).
PRE-AMP + LASER PCB changed from A05
to A06. Simultaneously applied new light
pen.
Change of PRE-AMP + LASER (POS.VOLT.SH.) from A00 to A01
Changed laser power supply, PCB layout
and light pen.
See Chapter 12 (Additional Information).
Protection of the laser diode.
Reduce Cost
Stabilizer PCB for the power supply of the Erco circuit has
been discontinued. Demod-Erco interface PCB applied.
Decoding PCB has been changed from A01 to A02.
CD Mechanisim
Device
C2217 changed to 3.3µF
C2218 changed to 15nF
R3255 changed to 22k
R3257 changed to 27k
R3260, 3261 changed to 56k
D6253: BZX79/C7V5 added.
CD100/30 SERVO PCB
CD100/30 DECODER PCB
Reduce Cost
C2251 changed to 100nF
R3375 changed to 68k
Never applied
Changed the mounting of the transistors on the
heatsink.
C2251 changed to 100nF
R3375 changed to 68k
Prevent distortion of the first second of a
track on some CDs. See Chapter 12
(Additional Information).
C and D
B and C
New Erco IC (M4282).
Reduce interpolation at black spots on the
CD
New Demod-IC SAA7010 added.
C2514 changed to 22nF
C2515 changed to 1µF
R3516 changed to 3k9
R3514 expired
C2517, R3522. R3531. D6542 and D6543 added.
Demod-Erco Interface PCB expired.