Page 1
For internal use only PHILIPS
ISSUE SNL2000.06 (00-07-06)
Published by:
Service Depar tment Audio
BUSINESS CREATION UNIT AUDIO
06.01 TYPENUMBER(S): AQ5460
SYMPTOM :
Hiss is audible on recordings.
CURE : Phenomenon is caused by unstability of the bias oscillator.
Change resistor 3732 from 10Ω to 15Ω (4822 116 52182).
REMARKS : Modification has been implemented in production from week 0014
onwards.
06.02 TYPENUMBER(S): AZ1030, AZ1035
INFORMATION : To solve the problem „
skips tracks due to acoustic feedback“
the CDclamper assembly (items 428, 429 and 431) has been replaced by
the new clamper assembly (3140 117 59800) .
REMARKS : New CD-clamper assemblies are used in production from week 0024
onwards.
06.03 TYPENUMBER(S): AZ1040, AZ1045, AZ1120
INFORMATION : To solve the problem „
skips tracks due to acoustic feedback“
the CDclamper assembly (items 436, 437 and 438) has been replaced by
the new clamper assembly (3140 117 59800) .
REMARKS : New CD-clamper assemblies are used in production from week 0024
onwards.
06.04 TYPENUMBER(S): AZ1040, AZ1045, AZ1550, AZ1560, AZ1565
SYMPTOM :
Hiss is audible on recordings.
CURE : Phenomenon is caused by unstability of the bias oscillator.
Change resistor 3732 from 10Ω to 15Ω (4822 116 52182).
REMARKS : Modification has been implemented in production from week 0014
onwards.
2451IRIS CODE
2451IRIS CODE
SERVICE NEWSLETTER
Service Newsletter 2000 – BCU Audio 1/3
Page 2
06.05 TYPENUMBER(S): AZ1045
INFORMATION : During production, the IR receiver 7407 has been changed from
TSOP2836 (9322 139 51667) to TSOP2236 (9322 155 82667).
The electronic circuit has been adapted by changing
3451from 470kΩ to 330kΩ (4822 051 20334).
REMARKS : Modification has been implemented in production from week 0024
onwards.
06.06 TYPENUMBER(S): AZ1550, AZ1560, AZ1565
INFORMATION : To solve the problem „
skips tracks due to acoustic feedback“
the CDclamper assembly (items 443, 444 and 446) has been replaced by
the new clamper assembly (3140 117 59800) .
REMARKS : New CD-clamper assemblies are used in production from week 0024
onwards.
06.07 TYPENUMBER(S): FW399V,FW548V
SYMPTOM :
Interruptions during playing a VCD when singing along a session on
Karaoke.
CURE : The problem is due to high acoustic feedback (high volume) into the
main unit via the adjacent loudspeakers.
Place the loudspeaker boxes at least 60cm away from the main unit
or place a rubber mat (size: 26cm x 30cm, thickness:≥8mm) below
the main unit to absorb any acoustic vibrations.
REMARKS :
06.08 TYPENUMBER(S): FW399V,FW548V
SYMPTOM :
The first piece of new tracks is skipped when playing a
NON-STOP Audio CD.
CURE : The momentary music break between tracks is caused by the
software.When there is no Pause recorded on the disc and a new
track is recognized the software automatically mutes for a few
seconds.
The problem is solved with the new MPEG software version_13 for
IC 7202 on the MPEG board.
The new OTP is available under service code: 9965 000 02715.
REMARKS :
X151IRIS CODE
X551IRIS CODE
Service Newsletter 2000 – BCU Audio 2/3
Page 3
06.09 TYPENUMBER(S): MC118, MC148
INFORMATION : To solve the problem „
skips tracks due to acoustic feedback“
the CDclamper assembly (items 437, 438 and 439) has been replaced by
the new clamper assembly (3140 117 59800) .
REMARKS : New CD-clamper assemblies are used in production from week 0024
onwards.
06.10 TYPENUMBER(S): SD100/01M
INFORMATION : Some of the service code numbers published in the Service Manual
(page 1-1) are stated wrong.The correct code numbers are as
follows:
Pos no. Service code Description
200 3141 017 72470 Front Cabinet Assembly
203 3141 017 72500 Play Button
206 3141 017 72340 Power Button
208 3141 014 23550 Volume Knob
209 3141 017 72480 Cover, Window
233 3141 017 72490 Cover, CD Tray
REMARKS :
Service Newsletter 2000 – BCU Audio 3/3
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