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Very Good! All the diagram are easy to read, and its complete.
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This was an excellent source of detailed assembly information on a device which is at least 12 years old. A very lucky find, coupled with great service.
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Excellent Service Manual and best price on the Internet. This Service Manual covers everything you could ever need including full circuit schematics, component layout diagrams, stripdown procedure and full parts list/breakdown. I needed this to carry out a modification to one of these headunits and this manual covered everything I needed. Fast delivery, processed within a few hours.
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Thought I would never find a copy of the Technics SX-EN2 Service Manual until I found Owner-Manuals.com. Price was very fair and I received the download promptly. While a photocopy, it is quite readable and includes all the pertinent information and diagrams. Thank you Owner-Manuals!
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I really like this manual and it's reliable.I found and bought easly.thank you.
Alignment and Adjustments
4-3 CD
4-3-2 To Adjust Tracking Gain (PLAY mode)
1. 2. 3. Connect the GND terminal of the oscilloscope to Vref and (+) terminal to AP2. Load and play the disc While the disc is running adjust the gain with WVR1 as shown below. Normal frequency Low frequency High frequency
---0 V
---0 V
---0 V
WVR1 T.G
WVR2 WVR3 WVR4 F.G E/F. B F.B Vref
VOLT/DIV : 0.2V TIME/DIV : 2mS
VOLT/DIV : 0.2V TIME/DIV : 2mS
VOLT/DIV : 0.2V TIME/DIV : 2mS
4-3-3 To Adjust Focus Gain (PLAY mode)
1. 2. 3. Connect the GND terminal of the oscilloscope to Vref and (+) terminal to AP1. Load and play the disc While the disc is running adjust the gain with WVR2 as shown in the following figure. Normal frequency Low frequency High frequency
---250mV ---100mV ---0 V ---0 V ---100mV ---0V
VOLT/DIV : 0.1V TIME/DIV : 2mS
VOLT/DIV : 0.1V TIME/DIV : 2mS
VOLT/DIV : 0.1V TIME/DIV : 2mS
4-3-4 To Adjust E/F Balance (PLAY mode)
1. 2. 3. Set TIME/DIV of the oscilloscope to 2mS. Set Volt/DIV of the oscilloscope to 0.5V. Ground the scope input and set to DC and then set the DC range. Connect the GND terminal of the oscilloscope to Vref and (+) terminal to center to AP2. Load and play the disc. Turn WVR1 counterclockwise to the minimum value. Raise WVR3 and adjust the waveform so that its middle comes to GND of the oscilloscope (or until the upper half of waveform becomes symmetrical to the bottom half, A=B) Adjust WVR1 (arrow) for normal sound.
4-3-1 To Adjust FOCUS BIAS(STOP mode)
1. 2. 3. 4. Set Volt/Div of the oscilloscope to DC 100mV. Ground the scope input and set the waveform to 0V, DC range. Connect the GND terminal of the oscilloscope to Vref, and (+) terminal to center of AP1. Set WVR4 to 0mV.
4. 5. 6. 7.
A 0V B
A=B
8.
Samsung Electronics
4-3
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