SONY HCDF250AV Repair Manual

$7.99

SONY HCDF250AV - 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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Aaron Lawrence - 01/02/2008

Contains mechanism diagrams, parts lists and schematics for all worldwide versions of DC-X88Z. Also includes remote schematic etc. A few non-essential pages are missing such as specifications. Includes the mechanical and electronic calibration instructions for the tape decks.

francesco mayol - 02/11/2007

This is the best site to find what you need.I reccomand all thecnicia n to contact User-Manuals .

Ernst-Guenter Hoffmann - 11/16/2007

Many thanks for the fast and easy delivery. When looking for a manual next time you will be my number one. Ernst, from good old Germany

Patrick Guice - 04/23/2008

Phenomal manual great resoulution and very legible. Will become very helpfull in future for parts and service.

Carl Conti - 08/03/2006

Thanks for manual for Luxman M02. I'll recomend this site to my friends for sure! Keep on the good work!

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Click to see text excerpt from the manual

HCD-F250AV
oscilloscopeAdjustment Location :
BD board
[ BD BOARD ] N CONDUCTOR SIDE N
TP (TE)
TP (VC)
CN102
When a general remote commander is not used:
1. Solder lead wires to TP (DVDD) and TP (TOFF) on the BD
board severally.
2. Connect the oscilloscope to TP (TE) of the BD board.
3. Press the 1/u button to turn ON the power.
IC102
4. Open the front cover, and press the CD PLUS ONE button.TP
5. Set the disc (YEDS-18) into the OPLUS ONEÃ� slit.(PLCK)CN103
6. Close the front cover, and chuck the disc.
7. Playback the fifth track of the disc.TPCN101
TP(DVDD)
8. Short-circuit the lead wire connected at step 1. (The tracking
TP(TOFF)
servo is turned OFF)(RF)
9. Check the level B of the oscilliscope's waveform and the A
TP
(DC voltage) of the center of the Traverse waveform.
IC101(FE)
Confirm the following :
A/B x 100 = less than ? 10%
TP
Traverse waveform(VC)
Center of the waveformTP
(TE)
B
A (DC voltage)
0V
[ MAIN BOARD ] N COMPONENT SIDE N
level : 0.7 ? 0.3 Vp-pCN301 CN302
10. Disconnect the lead wire short-circuited at step 8. (The trackingRV301
servo is turned ON.) Confirm the C (DC voltage) is almost equalIC301
to the A (DC voltage) is step 8.
RV351
Traverse waveform
CN107 CN106
C (DC
0Vvoltage)
Tracking servoTracking servo
OFFON
11. Turn OFF the power, and remove the lead wire connected at
step 1.
RF PLL Free-run Frequency Check
Procedure :
1. Connect the frequency counter to TP (PLCK) of the BD board.
frequency counter
BD board
TP (PLCK)
2. Press the 1/u button to turn ON the power.
3. Open the front cover, and press the CD PLUS ONE button.
4. Set the disc (YEDS-18) into the OPLUS ONEÃ� slit.
5. Close the front cover, and chuck the disc.
6. Playback the fifth track of the disc.
7. Confirm that reading on frequency counter is 4.3218 MHz ?
30 kHz.
N 25 N