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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.
< DECK SECTION >
1. Tape Speed Adjustment Settings : � Test tape : TTA�100 � Test point : TP8 (Lch), TP9 (Rch) � Adjustment location : SFR1 Method : Play back (FWD) the test tape and adjust SFR1 so that the frequency counter reads 3000Hz ± 5Hz and ± 45Hz (REV) with respect to forward speed. 2. Head Azimuth Adjustment Settings : � Test tape : TTA�300 � Test point : TP8 (Lch), TP9 (Rch) � Adjustment location : Head azimuth adjustment screw Method : Play back (FWD) the 10kHz signal of the test tape and adjust screw so that the output becomes maximum. Next, perform on REV play mode. 3. PB Frequency Response Check Settings : � Test tape : TTA�300 � Test point :TP8 (Lch), TP9 (Rch) Method : Play back the 315Hz and 10kHz signals of the test tape and check that the output ratio of the 10kHz signal with respect to that of the 315Hz signal is 0dB ± 3dB. 4. PB Sensitivity Adjustment Settings : � Test tape : TTA�200 � Test point : TP8 (Lch), TP9 (Rch) � Adjustment location : SFR303 (Lch) SFR304 (Rch) Method : Play back the test tape and adjust SFRs so that the output level of the test points becomes 245mV ± 10mV. 5. REC/PB Frequency Response Adjustment Settings : � Test tape : TTA�602 � Test point : TP8 (Lch), TP9 (Rch) � Input signal : 1kHz / 10kHz (LINE IN) � Adjustment location : SFR351 (Lch) SFR352 (Rch) Method : Apply a 1kHz signal and REC mode. Then adjust OSC attenuator so that the output level at the TP8, TP9 becomes 0dB (17mV). Record and play back the 1kHz and 10kHz signals and adjust SFRs so that the output of the 10kHz signals becomes 0dB ± 0.5dB with respect to that of the 1kHz signal. 6. REC/PB Sensitivity Adjustment Settings : � Test tape : TTA�602 � Test point : TP8 (Lch), TP9 (Rch) � Input signal : 1kHz (LINE IN) � Adjustment location : SFR305 (Lch) SFR306 (Rch) Method : Apply a 1kHz signal and REC mode. Then adjust OSC attenuator so that the output level at TP8, TP9 becomes 0dB (170mV). Record and play back the 1kHz signals and adjust SFRs so that the output becomes 0dB ± 0.5dB.
< FRONT SECTION >
7. µ-CON OSC Adjustment Settings : � Test point : TP1 (K-SCAN) and GND � Adjustment location : L201 Method : Insert AC plug with pressing of TUNER and DISPLAY key. Adjust L201 so that the frequency across the test point is 194.898Hz ± 0.194Hz.
< CD SECTION >
8. Focus Gain Adjustment Settings : � Test disc : TCD-782 � Test point : TP2 (FE), TP3 (VREF) � Adjustment location : SFR130 Method : Play back the test disc (TCD-782, Track No.2) and adjust SFR130 so that the voltage between the test point (FE, VREF) becomes approx. 0mV.
� 40 �
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