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For internal use only PHILIPS
ISSUE SNL2000.04 (00-05-05)
Published by:
Service Depar tment Audio
BUSINESS CREATION UNIT AUDIO
04.01 TYPENUMBER(S): CD713, CD723, CD753
SYMPTOM :
The set does not recognize CD-R/CD-RW discs with extremely high
jitter value (i.e.high-speed recordings from computer-CD-Writers).
CURE : The problem can be solved by the following modification on the
CD-SL Mk3 Board:
• Remove resistor 3806
• Remove capacitor 2810
REMARKS :
04.02 TYPENUMBER(S): CDR570, CDR770, CDR775, CDR930, CDR950
INFORMATION : Additional information to the 2nd line Service Manual CDR570,
CDR770, CDR775, CDR930, CDR950 (3104 125 40110).
CDR Main Board, Circuit Diagram 6:
In course of production, fuse resistors 3411 and 3439 (4R7) have
been replaced by coils.
Pos Codenumber Article description
–––––––––––––––––––––––––––––––––––––
3411 4822 157 11717 COIL 50µH
3439 4822 157 11717 COIL 50µH
REMARKS : The modification will improve the temperature behaviour.
415CIRIS CODE
SERVICE NEWSLETTER
Service Newsletter 2000 – BCU Audio 1/2
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04.03 TYPENUMBER(S): FW-P73, FW-P75
SYMPTOM :
Ticking sound (similar to that of a clock) is audible from the center
speaker during quiet portions of music.
CURE : The problem is caused by crosstalk from flex-cable 1681 to wire
1572.
The problem can be solved by routing wire 1572 outside the wire
catches of flex-cable 1572 as shown in the r ight picture below.
REMARKS :
flex-cable 1681 AF6-Board
wire 1572 placed inside
the cable catches
wire 1572 placed outside
the cable catches
fig.1 – wire position in a problem set fig.2 – wire position in a good set
4451IRIS CODE
Service Newsletter 2000 – BCU Audio 2/2
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