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THANK YOU FOR A GOOD TRANSACTION, NICE COPY, CLEAR
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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!
HT-R530 OPERATION CHECK-2
SPEAKER PROTECT-2 (CURRENT DETECTION)
[When] 1. Exchange power transistors (Q6050 - Q6066). 2. Exchange amplifier PC board ass'y (NAAF-8523). [Procedure] <Note> No input. Do not check two or more channels at the same time. Do not connect dummy load to speaker terminals for seconds 2 or more. 1. Press and the hold down the CD button, then press the STANDBY/ON button when the unit is Power ON. " Test - _ " is displays it only for 5 seconds.
Te st - _
Blinks
2. Press the VIDEO 3 button, while the character of " Test - _ " is displayed. Unit will be in the state of " Test-4-00 ".
Te st - 4-00
3. Repeatedly press TONE+ button until the character of " Test-4-35 " is displayed.
Te st - 4-35
4. Connect the Dummy load of 3 ohms to the Front Lch speakers terminal. At this time, check the speaker relay is not turned off.
Te st - 4-35
5. Connect the dummy load of 1 ohm to the Front Lch speakers terminal. At that time, check the speaker relay is turned off and " Protect " is displayed.
P rotect
Disconnect the dummy load at once when check the display of " Protect ".
Te st - 4-35
6. Check other channels according to the same procedure. 7. Press the STANDBY/ON button.
Turn off
Clear
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