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There are currently no product reviews.
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Very good product. Best service manual. Many thanks
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I am only search for 5 Minute, by it in 5 Minutes to and get ist in few ours! Best i found in the Internet and my Amplifer is repaired as well! Thank you
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Readable text and good copy. Very much needed if you wish to do some repairs on this fine old unit.
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Fint forløb med levering af manualen. Kvaliteten af skanningen betegnes som middel
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I found the manual to be clear concise and complete. It was of immense assistance when removing the unit as the unit was over 22 years old and the wiring diagram was unobtainable from the manufacturer. The exploded drawings were clear as were the instructions and labels.
TX-SR402/8240/HT-R420 OPERATION CHECK-1
DC VOLTAGE DETECTION PROTECTORS
[NOTE1] Limit time to apply voltage is 0.5 - 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.
Disappears
Clear
CURRENT DETECTION PROTECTORS
[NOTE] In the state of testmode"Test-4-29", the pulse waveform for checking from speaker terminal outputs 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 VIDEO3 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 until the display of "Test-4-29" comes out.
Te st - 4-29
2. Connect the lord resister (3ohms) 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 (1.5ohms) to the speaker terminals. 6. Check the displayed "PROTECT" and speaker relays turn OFF immediately. 7. Check the each speaker terminals. 6. Press the STANDBY/ON button. Disappears
C lear
 $4.99 HTR420 ONKYO Owner's Manual Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
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