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The manual was very accurate for the part that I was changing, I was able to order the correct part and had no issues with the replacement procedure. However, I was expecting to have more detailed repairs for the lower drive unit.
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I needed the manual immediately and I got it immediately. I couldn't find this manual anywhere else on the net. The site was easy to traverse, and the price was very reasonable. I'll definitely be back for any future needs.
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I received a good service manual, with good resolution. Improve the instructions for the purchase because they are not well understood.
For the rest, so good.
Thanks Angel.
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Very good documentation for the Grundig 2077 model (as well as similar 800/900/1000 series radios). The first two pages are a summary of reception specifications and output capability. The third page is the tuner dial indicator and dial cord routing diagram. the final ~5 pages are the schematics for the various models (including 2077). The scan quality of the schematics are good, adn can be easily read if zoomed in. The documents are in German, not English as stated. It would have been nice to have the tuning sequence and settings, and some trouble shooting materials... or component and wiring map.
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Perfect like it was descriped, Perfect like it was descriped
2-1-4. Y signal AD calibration of COMPONENT input.
1. Check �CP_CTRL� = 0 2. Set data as follows. <Setting data> COLOR DYNA_PICT DC_TRAN 25 0 (OFF) 0 (OFF)
8. Check that the detection value of �PW_INPUT_CB� is within the standard of the following column. <Video 3 input standard value on blue full field> Item PW_INPUT_CB Standard 225 ± 2
9. Input red full field with burst. 10. Send �READ_PW_INPUT_CR� command from ECS. 11. Check that the detection value of �PW_INPUT_CR� is within the standard of the following column. <Video 3 input standard value on blue full field> Item Standard PW_INPUT_CR 225 ± 3
3. Input 0 IRE black full field with burst in video 3 input . 4. Send �READ_PW_INPUT_Y� command from ECS. 5. Check thgat the detection value of �PW_INPUT_Y� is within the standard of the following column. <Video 3 input detection value average on 0 IRE black full field> Item PW_INPUT_Y Standard 14 ± 3
6. Input 100 IRE white full field with burst. 7. Send �ADJUST_Y_LEVEL_D1� command from ECS. The Y_LEVEL_CCP2_04 registration of the D1 range is adjusted automatic by this command. Adjustment value also is copied in the D2, D3 and D4 range. 8. Check that the detection value of �PW_INPUT_Y� is within the standard of the following column. <Video 3 input detection value average on 100 IRE white full field> Item PW_INPUT_Y Standard 200 ± 2
2-1-5. C signal AD calibration of COMPONENT input.
1. Check �CP_CTRL� = 0 2. Set data as follows. <Setting data> COLOR DYNA_PICT DC_TRAN 25 0 (OFF) 0 (OFF)
3. Input 0 IRE black full field with burst in video 3 input . 4. Send �READ_PW_INPUT_CB� command from ECS. 5. Check thgat the detection value of �PW_INPUT_CB� is within the standard of the following column. <Video(composit) input detection value average on 0 IRE black full field> Item PW_INPUT_CB Standard 128 ± 5
6. Input blue full field with burst. 7. Send �ADJUST_C_LEVEL_D1� command from ECS. The C_LEVEL_CCP2_05 registration of the D1 range is adjusted automatic by this command. The value that increased and redused offset data is copied in the D2, D3 and D4 range.
KLV-21SG2 (UC)
2-2
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