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There are currently no product reviews.
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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
KL-37W2/37W2K KL-50W2/50W2K/50W2U
RM-838 RM-838
SECTION 3.
CIRCUIT ADJUSTMENT
Addition of CU Board Adjustment 3-9. CU BOARD ADJUSTMENT
� SHADING ADJUSTMENT RV5801 BLUE RV5802 GREEN S5802 BLUE AMP / ATT S5803 GREEN AMP / ATT � CORNER ADJUSTMENT RV5811 BLUE UP LEFT RV5812 BLUE UP RIGHT RV5813 BLUE DOWN LEFT RV5814 BLUE RV5815 GREEN RV5816 GREEN RV5817 GREEN RV5818 GREEN S5804 S5808 BLUE GREEN DOWN RIGHT UP LEFT UP RIGHT DOWN LEFT DOWN RIGHT AMP / ATT AMP / ATT CU Board (Component Side)
LEFT GS BS DN UP BLUE UP RIGHT DN DN LEFT GREEN UP RIGHT UP DN
RV5802 RV5801
RV5813
RV5811
RV5812
RV5814
RV5817
RV5815
RV5816 AMP
RV5818 ATT
AMP
S5803
B
S5802 AMP
S5804
B
ATT
ATT
G
SHADING CORNER ATT
G
CN5801 AMP
S5808
Fig. 1
(1) Preparation 1) Input flat 50 white signal. 2) Change all switches (S5802 ~ S5804, S5808) to AMP side as Fig. 1. 3) Turn all volumes (RV5801, RV5802, RV5811 ~ RV5818) clockwise to minimum. (2) Shading Adjustment 1) Comparing the colour on the left side of picture with that at the center, perform the adjustment with the following algorithm.
Check left side color tendency.
Reddish ?
Yes
No
Greenish ?
Yes
No
Adjust green with RV5802.
Switch S5803 to ATT side and adjust green with RV5802.
Switch S5802 to ATT side and adjust blue with RV5801.
No
Blueish ?
Yes
No
Yellowish ?
Yes
Yellowish ?
Yes
No
Switch S5802 to ATT side and adjust blue with RV5801.
Adjust blue with RV5801.
Switch S5802 to AMP side and adjust blue with RV5801.
TO CORNER ADJUSTMENT
�2�
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