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Good-quality scans. Detailed description. I hope I can repair the machine.
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High-quality scanning. Detailed description. Recommend for all technician. A+++
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This is a good quality scan of the original Service Manual from Nordmende, Germany. Contains the circuit diagram, PCB layout, adjust/tune instructions as well. It is NOT in English but in GERMAN language! That was quite right for my german friend from the lower east side in Berlin.
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Received via e-mail this PDF manual is worth the money. This is a quality scan of a manual in excellent condition and is just as good as having the original manual in hand. I have later seen the original manual and it was printed in colour, but this particular manual is black & white but scan resolution is high end quality! All drawings and pictures are presented in great detail. So, nearly perfect score in my opinion.
If you own the turntable you also should own the manual!
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I was very satisfied with the service manual I ordered and downloaded. I will definitely buy again from this seller.
HT-R8230 OPERATION CHECK-1
DC VOLTAGE DETECTION PROTECTORS
[NOTE1] Limit time to apply voltage is 0.5 to 1.0 seconds each channel. When protection operation does not occur at once, try several times. [NOTE2] Don't connect speakers or any load. Don't short speaker terminals. 1. Set the unit to test mode " Test-1-00 " . 1-1. Press and the hold down the CD button , then press the STANDBY/ON button when the unit is Power ON.
Te st - _
1-2. Press the DVD button, while the display of " Test - _ " has come out. Unit will be in the state of " Test-1-00 ".
Te st - 1-00
2. Apply DC voltage (+1.5 to +3V) to MULTI CHANNEL (FL, FR, SL, SR, C, SW) terminal, each channel. 3. Check that " Protect " is display come out. 4. Apply DC voltage (-1.5 to -3V) to MULTI CHANNEL (FL, FR, SL, SR, C, SW) terminal, each channel. 5. Check that " Protect " is display come out. 6. Press the STANDBY/ON button.
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Clear
CURRENT DETECTION PROTECTORS
[NOTE] In the state of test mode" Test-4-29 ", the pulse waveform output for checking from speaker terminal automatically. Therefore, oscllator is unnecessary. 1. Set the unit to test mode " Test-4-29 " 1-1. Press and the hold down the CD button , then press the STANDBY/ON button when the unit is Power ON.
Te st - _
1-2. Press the VIDEO 3 button, while the display of " Test - _ " has come out. Unit will be in the state of " Test-4-00 ".
Te st - 4- 00
1-3. Repeat and press SPEAKERS B button until the display of " Test-4-29 " comes out.
Te st - 4-29
2. Connect the lord resister (3 ohms) to the speaker terminals. 3. Check the not displayed " Protect " and speaker relays not turn OFF. 4. Check the each speaker terminals. 5. Connect the lord resister (1.5 ohms) to the speaker terminals. 6. Check the displayed " Protect " and speaker relays turn OFF immediately. 7. Check the each speaker terminals. 8. Press the STANDBY/ON button.
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C lear
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