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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!
Block diagrams
FTV1.9DE
6.
25
Supply voltage diagram
PR 31 MAINS INPUT PR 30 MAINS OUTPUT PRECON 1 PR 1 MAINS FILTER PRECON 3 PR 3 RELAY PR 3 7650 380V MC33368 PRECONDITIONER 3606 PTC FD TEMP A PREC B 5V VA SUPPLY 5V DOWN CONVERTER POWER OKE DETECTION VA VRA +/- AUDIO GND AUDIO 8V6 5V 8V6 3810 AVC-2 RGB-OUT +8Vc +5V POWER OKE AVC-3 VIDEO CONTROL +8Vb FAN SUPPLY OVER TEMP DETECTION PROTECTION CIRCUITS FAN CONTROL GND FAN SUPPLY FAN PROT 2360 DC PROT PROTECTION STATUS VRR DELAY VRR +8Vb +8Vb 3304 2302 +8Vb +5Vb 5201 2212 7223 TDA8714/T6 ADC +8Vb +5Vc +5Va 3293 +3V3 7218 74HCT4053D +3V3a +3V3b PD-5 SCAN-CONVECTOR + OSD 5309 5308 7320 I 2C +3V3a +3V3b +8Vb 7360 74HC4053N PD-4 BLUE-GAMMA + ADC 7300 TDA4885 I2 C +5V 1401 7358 MC33269D +3V3 2367 VAC1 & VAC2 5321 1400 3388 +5Vd 2351 FD FAN SUPPLY VS SUPPLY +5V 5320 3395 +5Vb 3360 +5Va 2350 VS VRS +5Vc 5V PD1
5680 5690
AVC-6 AUDIO PROCESSING +8Va 7970-A&B LM833D +5Vc +5Va AVC-7 AUDIO CONTROL +5Vb 3940 2940 8V6 +8Va +8Va 3491 AVC-8 AUDIO FILTER + DBE +8VA 3240 +4Va 3241 2240 5441 +5V STANDBY 6465 AVC-5 CONTROL 5493 +5Vb AVC-1 RGB-INPUT +5Vc +5Va 2952 7940 TDA9860 I 2C
PD-3 GREEN-GAMMA + ADC 3189 7168 74HCT4053D 5151 7173 TDA8714/T6 ADC +5Vd
PD-5 SCAN-CONVECTOR + OSD 5323 3393 2353 3418 I 2C
2372 7327 MC141585 PD-2 RED-GAMMA + ADC PD-6 PLL'S +3V3 3139 7118 74HCT4053D 5101 2112 7123 TDA8714/T6 ADC 5314 5315 5305 5335
AVC-6 AUDIO PROCESSING AUDIO AMPLIFIER 3561 +VSND RES 6568 6569 2568 2569 OND.PROC 3411 A 3400 2400 3406 3407 5V 5920 2923 5422 2313 Vdd-stby +5V AVC-6 AUDIO PROCESSING 6925 AVC-4 CONNECTOR DIAGRAM 1600 5V T200mA AVC-3 VIDEO CONTROL 3312 +5V 2312 3967 +5Vstby AVC-7 AUDIO CONTROL 2311 +5VA 7400 NVM I2C H24C16-BNG 7401 +5Vb 5V 5900 2903 7920 M6583OP I 2C 7910 M6583OP I 2C
µP
I2 C
P87C380AER
MAINS SWITCH
3569 SUPPLY ON STANDBY +5Vstby-switched -VSND RES
PR 2 STANDBY SUPPLY +5Vstby POR
+5Vstby
0335-A YKC21-3706
"HOT"
"COLD"
CL 96532058_003.eps 230999
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