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The purchased manual is an high-quality scan of the original JVC paper-based Service Manual. The Service Manual includes the Owner´s Manual, so you do not have to buy both of them.
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It paid to find this Service Manual, couldn't find it anywhere else. Exactly what I wanted. Received within 24 hours.
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Complete manual with clear schematic diagrams and printed circuit board layouts of two variants of the headset and the transmitter an old and a new version.
Also shows how the headset and the transmitter is opened and how transmitter and receivers can be adjusted and where to measure.
I had no problems to repair the headset using this service manual.
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Excellent printing quality. A complete and very useful manual with all details.
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This is a great site. I placed my order and by the next am it was available for download. Had some problems with some missing copy on some pages. Once I brought the error to the OMC's attention, the issue was resolved. I'll come back again.
ELECTRICAL ADJUSTMENTS
2-15: SEPARATION Please do the method (1) or method (2) adjustment. Method (1) 1. Set the multi-sound signal generator for each different L-ch and R-ch frequency (Ex. L-ch=2KHz, R-ch=400Hz) and receive the RF signal. 2. Connect the oscilloscope to the Audio Out Jack. 3. Press the AUDIO button on the remote control to set to the stereo mode. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (70) on the remote control to select �SEPAL�. 5. Press the RIGHT/LEFT button on the remote control to adjust it until the audio output wave becomes a fine sine wave. 6. Press the CH UP button 1 time to set to "SEPAH" mode. 7. Press the RIGHT/LEFT button on the remote control to adjust it until the audio output wave becomes a fine sine wave. Method (2) 1. Set the multi-sound signal generator L-ch=1KHz, R-ch =Non input and receive the RF signal. 2. Connect the oscilloscope to the Audio Out Jack (R-ch). 3. Press the AUDIO button on the remote control to set to the stereo mode. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (70) on the remote control to select �SEPAL�. 5. Press the RIGHT/LEFT button on the remote control to adjust it until the R-ch output becomes minimum. 6. Press the CH UP button 1 time to set to "SEPAH" mode. 7. Press the RIGHT/LEFT button on the remote control to adjust it until the R-ch output becomes minimum. 8. Set the multi-sound signal generator L-ch=Non input, R-ch=1KHz and receive the RF signal. 9. Connect the oscilloscope to the Audio Out Jack (L-ch). Then perform the above adjustments 3~7. 2-16: OSD HORIZONTAL 1. Activate the adjustment mode display of Fig. 1-1 and press the channel button (33) on the remote control to select "OSD". 2. Press the RIGHT/LEFT button on the remote control until the difference of A and B becomes minimum. (Refer to Fig. 2-1) 2-17: LEVEL 1. Receive the VHF HIGH (70dB). 2. Connect the AC voltmeter to TP901. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (69) on the remote control to select "LVL". 4. Press the RIGHT/LEFT button on the remote control until the AC voltmeter is 75 ± 2mV. 2-18: SUB BRIGHT CENTER 1. Receive the monoscope pattern. (RF Input) 2. Using the remote control, set the brightness and contrast to normal position. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (06) on the remote control to select "BRTC". 4. Press the RIGHT/LEFT button on the remote control until the white 15% is starting to be visible 5. Receive the monoscope pattern. (Audio Video Input) 6. Press the INPUT SELECT button on the remote control to set to the AV mode. 7. Using the remote control, set the brightness and contrast to normal position. 8. Activate the adjustment mode display of Fig. 1-1 and press the channel button (37) on the remote control to select "BRTCA". 9. Press the RIGHT/LEFT button on the remote control until the white 15% is starting to be visible 10. Press the TV/DVD button on the remote control to set to the DVD mode. 11. Activate the adjustment mode display of Fig. 1-1 and press the channel button (49) on the remote control to select "BRTCD". 12. Press the RIGHT/LEFT button on the remote control to set the same step numbers as the AV. 13. Press the GAME button on the remote control to set to the GAME mode. 14. Activate the adjustment mode display of Fig. 1-1 and press the channel button (61) on the remote control to select "BRTCG". 15. Press the RIGHT/LEFT button on the remote control to decrease the step numbers by 16 steps to the AV.
33 OSD 15
A
B
Fig. 2-1
D-3
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