SONY CFDS250 Repair Manual

$7.99

SONY CFDS250 - It's a complete service manual, and it's in PDF format. It contains circuit diagrams ( schemas ) etc. It also usually contains parts catalog. After placing order we'll send You download instructions on Your email address. See below for delivery information

The manual is available only in language(s): English

Link to manual will be sent on Your email address after You place order.

This product was added to our catalog on Monday 07 May, 2007.

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Charles Dussier - 12/05/2006

Super vraiment excellent! la qualit� d'image est vraiment au rendez vous. fichier recuperrable dans la journ�e c'est impeccable! Fichier qui etait introuvable, je l'ai enfin ! merci !!:)

Dutra Lacerda - 02/17/2008

All schematics for the Euro-PC and some extra info. Needed if you want to replace some missing hardware. A piece of great historical value and for vintage computing entusiasts.

Rick Mider - 08/23/2006

I am very Happy with my Mitsubishi Manual. Next time I need a manual or schematics I will return to User-Manuals.com. Thank You Rick Cincinnati, Ohio

vedat kaya - 07/18/2008

i got my service manual for philips vr685-02. Thanks a lot for my very clear and net service manual. I will continue shopping from user-manual.com.

Paul Brady - 01/03/2007

Talk about a lifesaver!!!!!!!!!!!! This schematic will also work for the Radio Shack DX-392. This is the full blown service manual complete with alignment instructions, schematics, and parts lists.

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Click to see text excerpt from the manual

CFD-S250L
Adjustment Location:
CT5, L3-2
LW
TRACKING
ADJUSTMENT
Ä� MAIN board (component side) Ä�
L3-2L3-1
L1CT1CT1, L1
FMTP (VT)
TP (FM IN)
TRACKINGCT5(CONDUCTOR SIDE)
(CONDUCTOR SIDE)
ADJUSTMENT
CT3
T1T1
MWL2
IF
L4L4ADJUSTMENT
LWCT3, L3-1
FREQUENCYMW
COVERAGETRACKING
IC1
ADJUSTMENTADJUSTMENT
T2T2IC2
FM
IF
ADJUSTMENTL2
FM
FREQUENCY
COVERAGE
ADJUSTMENT
CD SECTION
CD section adjustments are done automatically in this set.
In case of operation check, confirm that focus bias.
FOCUS BIAS CHECKTest Point:TP
1. Connect the oscilloscope between IC701 pin 4 and pin qa (orÄ� CD board (conductor side) Ä�(RF)
TP (RF) and TP (VREF)).R711JW725
C704
2. Insert the disc (YEDS-18). (Part No. : 3-702-101-01)
R710
R713R729R734C731
3. Press the N X (CD) button.R736
R733
R708
4. Confirm that the oscilloscope waveform is as shown in theR706
C705JW726
figure below. (eye pattern)R735R709
A good eye pattern means that the diamond shape ( ) in theC703
R701
center of the waveform can be clearly distinguished.
C743
C739
Y RF signal reference waveform (eye pattern)C736
JW708C734
C707
VOLT/DIV : 50 mV (10 : 1 probe in use)
TIME/DIV : 500 nSJC703
C742
JW709IC701
C708
C732
RF level :JW707
0.85 ? 0.2 Vp-p
JW706
W hen observing the eye pattern, set the oscilloscope for AC rangeC711C709
and raise vertical sensitivity.R723
TP
(VREF)
16