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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.
ELECTRICAL ADJUSTMENT
< TUNER SECTION >
1. AM Freq. Range Adjustment L006 ....................................................................... 517kHz TC003 ................................................................... 1750kHz 2. AM Tracking Adjustment L003 ....................................................................... 600kHz TC004 ................................................................... 1400kHz 3. AM IF Adjustment Settings:
PRACTICAL SERVICE FIGURE
< TUNER SECTION >
< FM SECTION >
Sensitivity: (THD 3%) Signal to Noise Ratio: (Input 54dB) Distortion: (Input 54dB) Intermediate frequency: Stereo separation: Less than19dB (88.0MHz) Less than19dB (98.0MHz) Less than19dB (108.0MHz) More than 50dB (at 98.0MHz) Less than 2.3% (at 98.0MHz) 10.7MHz ±0.3MHz More than 18dB
FRONTC.B
MAINC.B
L007 L008
6 5
L003
0
3
IC001 L009 19 TC1 TC2 L006 TC3 TC4 PVC001
7 1
4
0 0 5 L
Method:
� Test point: IC001 (L81828) 19PIN � Adjustment location: L007 Adjust L007 so that the output level at 1000kHz becomes maximum.
< AM SECTION >
Sensitivity: (S/N 10dB) Distortion: (Input 74dB) Intermediate frequency: Less than 48dB (at 600kHz) Less than 48dB (at 1000kHz) Less than 48dB (at 1400kHz) Less than 1.5% 455kHz±5kHz
2
4. FM Freq. Range Adjustment L005 ..................................................................... 87.0MHz TC001 ................................................................. 109.0MHz 5. FM Tracking Adjustment L004 ..................................................................... 90.0MHz TC002 ................................................................. 108.0MHz 6. FM IF Adjustment Settings: � Test point: IC001 (L81828) 19PIN � Adjustment location: L008 Method: Adjust L008 so that the output level at 98.0MHz becomes balanced. 7. FM Balance Adjustment Settings: � Test point: IC001 (L81828) 19PIN � Adjustment location: L009 Method: Adjust L009 so that the output level at 98.0MHz becomes balanced.
2
< CASSETTE SECTION >
Tape speed: Wow & flutter: Take-up torque: FF torque: Rew torque: Back tension: S/N ratio: Distortion: Noise (PB): Erasing Ratio: (AC W/O FILTER) 3000Hz±90Hz Less than 0.35% (JIS RMS) 30-60g-cm (DECK 1/2) 55-140g-cm (DECK 1/2) 55-140g-cm (DECK 1/2) 1-5g-cm More than 37dB Less than 3.0% (PB) Less than 1mV (AC/DC, MIN) More than 36dB
L 0 4
< TAPE SECTION >
L330 8. Tape speed Adjustment Settings: � Test tape: TTA-100 � Test point: J251 (PHONES jack) � Adjustment location: SFR761 Play back the test tape and adjust SFR761 so that the frequency counter reads 3000Hz ±5Hz.
0
Method:
J251 PHONES SFR761
98
8
9. Head Azimuth Adjustment Settings: � Test tape: TTA-320 � Test point: J251 (PHONES jack) � Adjustment location: Azimuth adjustment screw. Method: Play back the 8kHz signal of the test tape and adjust screw so that the output becomes maximum. 10. Bias frequency Adjustment L330 ............................................................. 56kHz ±2kHz
RPH (DECK1)/PH (DECK2)
9
21
22
 $4.99 CA-DW237 AIWA
Parts Catalog Parts Catalog only. It's available in PDF format. Useful, if Your equipment is broken and You need t…
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