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I found this service manual to be complete in every detail except for troubleshooting charts. It would be helpful if it had a set of troubleshooting charts; however it is a very good manual otherwise and for the price it is very well worth it.
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Complete manual included schematics layouts and alignment procedure, clear to read and magnify, extremely pleased with manual and owner manual . com's service
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perfect, i am very satisfait for the réception of the sansui r-5l service manual, thank you very much
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Thank you, this is a rare document. Few others have it, but they charge way more for a download.
Great deal (even if you have to wait a few hours to get it).
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The purchased manual is an high quality scan of the original Philips paper-based Service Manual. I am very satisfied!
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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