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This is the original manufacturers service manual, with detailed info on the circit boards, explosion drawings of all parts in assembly order, and tuning instructions. The only thing missing is the information on the dimensions of the various drive belts. mail me if you need them. gcrossman_at_aol.com
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Ordered service manuel for a hard to find plasma tv - your company made it easy to find and purchase - I will use you again
Thanks for your help
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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.
ADJUSTMENT
A MAIN C.B
5 6
4 3 5 7
SFR701
8
DOLBY GND
VT GND TC201 TC251 TC202 TP2 (LCH) TP3 (RCH) TP1(VT) IFT251 IC251
11 12
VR251
L251 BAR ANT
2
9
1
B
JACK C.B PHONES J402
8
<TUNER SECTION>
1. AM IF Adjustment IFT251 .................................................................. 450 kHz 2. FM IF Adjustment TC202 ................................................................ 10.7 MHz 3. AM VT Check Settings : � Test point : TP1 (VT) Method : Set to AM 531 kHz and check that the test point voltage is 1.3 ± 0.3V. Then set to AM 1602 kHz and check that the test point voltage is less than 6.7~ 8.2V. 4. FM VT Check Settings : � Test point : TP1 (VT) Method : Set to FM 87.5MHz and check that the test point voltage is 3.6 ± 0.4V. Then set to FM 108.0MHz and check that the test point voltage is less than 6.8~9.0V. 5. AM Tracking Adjustment L251 .................................................................... 630 kHz TC251 .................................................................1440 kHz 6. FM Tracking Adjustment TC201 ............................................................... 87.5 MHz
7. FM VCO Adjustment Settings : � Adjustment location : VR251 Method : Connect a frequency counter to pin 11 and 12 of IC251, adjust VR251 for VCO to 19kHz ± 100Hz.
<TAPE PLAYER SECTION>
8. Tape Speed Adjustment Settings : � Test tape : � Test point : TTA�100 PHONES JACK (J402) � Volume : MAX. � Adjustment location : SFR701 Method : Play back the test tape and adjust SFR701 for 3015Hz ± 10Hz(FWD) and 3015Hz ± 45Hz (REV).
9. Dolby Level Check Settings : � Test tape : TTA-200 � Test point : TP2(Lch), TP3(Rch) � Volume : MIN. � DOLBY SW : OFF Method : Connect an electrolytic capacitor (10uF/16V) to measured instrument and test point, check the voltage for 31.6mV ± 1dB.
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