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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!
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A
Actual automatic backup operation
1. When the DIGITAL VIDEO Assy is replaced (Using the service Assy) Keyword modification is not needed. Replace the DIGITAL VIDEO Assy with that for service, then turn on the power. Thus, the backup data in the EEPROM of the RGB Assy are automatically copied to the EEPROM of the DIGITAL VIDEO Assy.
RGB Assy DIGITAL VIDEO Assy for service
2
EEPROM (IC5502)
EEPROM (IC1204)
B
2. When the RGB Assy is replaced (whether replaced with the assembly for service or not does not matter) Replace the RGB Assy, then enter the Service Factory mode. The backup data in the EEPROM of the DIGITAL VIDEO Assy are then automatically copied to the EEPROM of the RGB Assy.
RGB Assy DIGITAL VIDEO Assy
1
C
EEPROM (IC1204)
EEPROM (IC5502)
D
3. When the DIGITAL VIDEO Assy is replaced (reuse of a repaired part) When installing the repaired DIGITAL VIDEO Assy in other unit It is necessary to change the keyword of the DIGITAL VIDEO Assy to be reused to "not adjusted." Before removing the DIGITAL VIDEO Assy to be reused, enter the Service Factory mode and execute SERVICE PARTS in the INITIALIZE item. (The unit must operate properly, and OSD display must be possible.) If SERVICE PARTS cannot be executed, readjustment is required. Note: If a repaired DIGITAL VIDEO Assy is mounted in another unit (Unit 2) without this change of keyword, the automatic backup function will not work properly. Moreover, if Unit 2 is set to Service Factory mode in this condition, data in force before the repair of the DIGITAL VIDEO Assy will be copied to Area A of the RGB Assy of Unit 2, overwriting the data necessary for Unit 2. Once overwritten, the original data will not be restored. 4. When the DIGITAL VIDEO Assy is replaced (reuse of a repaired part) When installing the repaired DIGITAL VIDEO Assy in the original unit It is not necessary to change the keyword. After the repaired DIGITAL VIDEO Assy is mounted in the original unit, the unit can operate with its latest adjustment values. After replacement, turn on the power. Then, the backup data in the EEPROM of the RGB Assy will automatically be copied to the EEPROM of the DIGITAL VIDEO Assy.
E
5. When replacing both the DIGITAL VIDEO Assy and the RGB Assy simultaneously Automatic backup function does not work properly. Readjustment is necessary.
Others
1. As for the COLOR and TINT items, even though they are adjustment data for the unit, as they are stored in Area C, they are not automatically backed up. For these two items, the following applies: 1 When only the DIGITAL VIDEO Assy is replaced Readjustment is not required, as data are stored in the RGB Assy. 2 When the RGB Assy is replaced After repair, readjustment is required. 2. Except for data for the COLOR and TINT items, data in Area C in the EEPROM of the RGB Assy are assembly-adjustment data. Readjustment is not required when the RGB Assy is replaced with one for service.
F
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PDP-433CMX
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