SONY CDPXE270 Repair Manual

$7.99

SONY CDPXE270 - 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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The manual also covers models

CDPXE370

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Gary Fisher - 07/25/2006

Excellent! I'm very pleased with quality of Sony DCRDVD-101 owner's manual. The manual has 148 pages and covers basicly everything!. Thanks again for great service!

Francisco Dorfman - 06/13/2007

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Anny ROY - 04/06/2007

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Jeff Lewis - 07/24/2006

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Click to see text excerpt from the manual

CDP-XE270/XE370
Ver 1.1 2001.07
SECTION 5
ELECTRICAL CHECKS
Note:Procedure:
1. CD Block is basically designed to operate without adjustment. 1.Connect an oscilloscope to test point There-TP (RFDC) and TP (VC)
fore, check each item in order given.on the BD board.
2. Use PATD-012 disc (4-225-203-01) unless otherwise indicated.
2. Turn the power on and insert the disc (PATD-012).
3. Use an oscilloscope with more than 10M& impedance.
3. Turn the power off and enter the ADJ mode. (Refer to 4. Test
4. Clean the object lens by an applicator with neutral detergent when the
Mode)
signal level is low than specified value with the following checks.
4. Turn the power on to playback the second track.
5. Confirm that oscilloscope waveform is clear and check RFDC
S Curve Check
signal level is correct or not.
Connection:
Note:A clear RFDC signal waveform means that the shape EÃ� can beO
oscilloscopeclearly distinguished at the center of the waveform.
BD board
RFDC signal waveform
VOLT/DIV: 200 mV
TP (FE1)+TIME/DIV: 500 ns
TP (VC)Ä�
Procedure:
level: 1.15 ? 0.35 Vp-p
1. Connect an oscilloscope to test point TP (FE1) and TP (VC)
on the BD board.
2. Turn the power on and insert the disc (PATD-012).
3. Turn the power off and enter the ADJ mode. (Refer to 4. Test
Mode)
VC
4. Turn the power on to playback the second track and press the
xbutton to stop playing back.Checking Location: BD board (See page 12)
5. Press the [REPEAT] button. (The object lens moves up and
down)RFAC Level Check
6. Confirm the oscilloscope waveform (S-curve) is symmetricalConnection:
between A and B. And check peak to peak level within 2 ? 1oscilloscope
Vp-p.BD board
S-curve waveformTP (RFAC)+
TP (VC)
symmetryÄ�
AProcedure:
within 2 ? 1 Vp-p
1. Connect an oscilloscope to test point TP (RFAC) and TP (VC)
Bon the BD board.
2. Turn the power on.
3. Turn the power off and enter the ADJ mode. (Refer to 4. Test
Note:Y Try to measure several times to make sure than the raMode)tio of A : B
or B : A is more than 10 : 7.4. Turn the power on to playback the second track.
Y Take sweep time as long as possible and light up the5. Confirm that oscilloscope waveform is clear and check RFAC
brightness to obtain best waveform.
signal level is correct or not.
Note:A clear RFAC signal waveform means that the shaEÃ� can be pe O
Checking Location: BD board (See page 12)
clearly distinguished at the center of the waveform.
RFDC Level Check
RFAC signal waveform
Connection:
VOLT/DIV: 200 mV
TIME/DIV: 500 ns
oscilloscope
BD board
TP (RFDC)+
level: 1.35 ? 0.4 Vp-p
TP (VC)Ä�
Checking Location: BD board (See page 12)
11