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There are currently no product reviews.
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This is a high quality manual with clear schematic and components layout diagrams ; with service procedure included.
 ;
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!
3-2. CHECKING TERMINALS AND COMPONENTS : QW-1634 / 1635
6 .Capacitor / Chip C4 (7911 2485) 8 .Capacitor / Trimmer CT (7103 8124) 13 .Oscillator / Quartz Xtal (7110 1263)
VDD VDD VDD
C2 4 .Capacitor / Chip
(7103 4623)
C3 4 .Capacitor / Chip
(7103 4623)
LL1 9 .Coil
(7020 0511)
VDD
Tr 15 .Transistor / Mold
KI2 KI2
(7101 1151)
KI4 KI2 KI4 VSS1 VSS3
XT VDD VCH XTB XT L VCH VDD L L
N1 VDD N2 VDD
BD1 VSS2 AC
3 .PCB ass'y (7240 9925)
N3 VDD N4 VDD LD VSS2
VC VC
VCC KI1 ELD VDD ELD CIL CIL ELD KI8 KC2 KI1 VCPE VSS2 VCPE VDD LD RT1 RT2 RT2 RT1 ELD VSS2 CIL VSS2 VSS2 VSS2 VDD VDD KI3 KI3 CIL
KC4 KI3
KI5 KI1
VDD
C1 4 .Capacitor / Chip
(7103 4623)
Di 11 .Diode
(7101 5609) 5 .Capacitor / Chip C6 (7103 7940) 14 .Resistor / Chip R (7102 7737) 12 .Inverter INV (7100 7917)
LL2 10 .Coil
(7020 5931)
C5 7 .Capacitor / Tantalum
(7103 8094)
Top view of PCB ass'y
Bottom view of PCB ass'y
3-3. N1~N4 PADS
Never solder or desolder these pads, because they have been selected best in the production line. A new PCB ass'y as a spare parts will be supplied with factory adjustment of these pads.
-6-
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