The service manual is a good quality scan of the Panasonic NV-850, which is electrically identical to the Philips VR 6920, but mecanically just nearly.
perfecto manual ,completo y detallado de muy buena calidad de impresion, ideal en una palabra.
Text excerpt from page 134 (click to view)
Athena MC24 N/B Maintenance
8.8 CD-ROM Driver Test Error(2)
Symptom: An error message is shown when reading data from CD-ROM drive.
CD-ROM Driver Test Error
1. Try another known good compact disk. 2. Check install for correctly. Re-boot OK? No Yes
Check the CD-ROM driver for proper installation.
t t en e cr m Se cu c Do al iT ia Mt n e d nfi o C
Board-level Troubleshooting Replace the faulty parts. PARTS:
U14 J506 Q515 Q516 R567 R617 R576 R129 R125 R539 R538 R128 R543 R541 R544 R540 R571
One of the following parts or signals on the motherboard may be defective, use an oscilloscope to check the signals or replace the parts one at a time and test after each replacement. SIGNALS:
RDDS[0:15] RSDIOW# SIORDY RIRQ15 RDAS[0:2] RCS1S# RCS3S# 5VS_CDROM
