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This is a high quality manual with clear schematic and components layout diagrams ; with service procedure included.
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This service manual for the Kenwood KT-990D was reproduced really well ,is very legible and manual is complete.Combined with the low price paid,in the future,I will be checking Owner-Manuals.com any time I need a manual.
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When I purchased this manual I had my doubts regarding the quality as the price was so reasonable as compared to other outlets.
The manual itself is of high standard the print is very clear as are the diagrams. Obviously with the diagrams one has to zoom in otherwise it is to small to be able to read.
Overall I am very pleased with the company who delivered as they said and with the manual they supplied.
I occasionally require a manual and now having registered with this company I shall order from them in the future.
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I was at first dubious about payiong for downloaded manuals but having done so, I was extremely impressed with quality of the two manual I ordered, well worth the small price I paid.
I would highly recommend these to my friends.
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reasonable price for the schematic - the service is perfect, all as expected and pointed by instructions - good scan of the original plans - thank you!
ELECTRICAL ADJUSTMENTS
2-16: SEPARATION 1, 2 1. Receive the stereo signal (L=2KHz, R=400Hz). 2. Connect the AC voltmeter to AUDIO OUT JACK though stereo filter (L=400Hz, R=2KHz). 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (31) on the remote control to select "SEP1". 4. Press the VOL. UP/DOWN button on the remote control until the output of L-CH and R-CH become minimum. 5. Press the CH UP button once the set to "SEP2" mode. 6. Press the VOL. UP/DOWN button on the remote control until the output of L-CH and R-CH become minimum. 7. Press the CH DOWN button once the set to "SEP1" mode. 8. Repeat step 4 to step 7 several times. The output difference of the between with Filter and without Filter should be more than 25db for both L and R. 2-17: BRIGHTNESS 1. Activate the adjustment mode display of Fig. 1-1 and press the channel button (16) on the remote control to select "BRI". 2. Press the VOL. UP/DOWN button on the remote control until the brightness step No. becomes "68" 3. Press the TV/VIDEO button on the remote control to set to the AV mode. Then perform the above adjustments 1~2. 4. Press the TV/VIDEO button on the remote control to set to the CS mode. Then perform the above adjustments 1~2. 2-18: UNI-COLOR 1. Activate the adjustment mode display of Fig. 1-1 and press the channel button (18) on the remote control to select "UNI COL". 2. Press the VOL. UP/DOWN button on the remote control until the contrast step No. becomes "8" 3. Press the TV/VIDEO button on the remote control to set to the AV mode. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (18) on the remote control to select "UNI COL". 5. Press the VOL. UP/DOWN button on the remote control until the contrast step No. becomes "4" 6. Press the TV/VIDEO button on the remote control to set to the CS mode. Then perform the above adjustments 4~5. 2-19: SUB TINT/SUB COLOR 1. Receive the color bar pattern. (RF Input) 2. Connect the synchro scope to TP806. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (20) on the remote control to select "TINT". 4. Press the VOL. UP/DOWN button on the remote control until the waveform becomes as shown in Fig. 2-2. 5. Connect the synchro scope to TP804. 6. Press the CH DOWN button 3 times to set to "SUBCONT" mode. 7. Press the VOL. UP/DOWN button on the remote control until the red color level is adjusted to 115% of the white level. (Refer to Fig. 2-3) 8. Receive the color bar pattern. (Audio Video Input) 9. Press the TV/VIDEO button on the remote control to set to the AV mode. Then perform the above adjustments 2~7. 10. Receive the color bar pattern. (Audio Video Input) 11. Press the TV/VIDEO button on the remote control to set to the CS mode. Then perform the above adjustments 2~6. 12. Press the VOL. UP/DOWN button on the remote control until the red color level is adjusted to 140% of the white level. (Refer to Fig. 2-4)
Fig. 2-2
White 100%
RED Level
Fig. 2-3
White 100%
RED Level Fig. 2-4
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