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Very good quality scan of the document. I am very pleased with what I got.
Technical Data, Mechanical data, Detailed Circuit diagram with components value, PCB layout. Actual PCBs Print. Component List, Spare parts code list and Input output detail. It cover LBB1211, LBB1212, LBB1213, LBB1216, LBB1217.
It is the actual Service Manual for SQ10
very good manual with clear electrical schemes. Very helpful to find wat was wrong inside my microwave.
Hi, thankyou for providing the Nordmende Globetrotter original manufacturer's repair manual. Quality is very good and sharp - the PDF file was comfortably small to download. The only question is: why did it take so long to become ready for download?? Many thanks anyway, I fixed the fault in the radio thanks to the circuit.
This was super service.Ordered this manual and was reading the download an hour later
5. Check the oscilloscope waveform (S-curve) is symmetrical between A and B. And confirm peak to peak level within 2.4 Â± 0.7 Vp-p.
S-curve waveform symmetry
A within 2.4 Â± 0.7 Vp-p B
level: 300 Â± 100 mVp-p
specified level : â¢ ââââââ Ã 100 = less than Â± 7% AâB 2 (A+B) â¢ A+B= 300 Â± 100 mVp-p 6. Remove the lead wire connected in step 1. Focus/Tracking Gain Adjustment (RV102, RV103) This gain has a margin, so even if it is slightly off. There is no problem. Therefore, do not perform, this adjustment. Please note that it should be fixed to mechanical center position when you moved and do not know original position. Adjustment Location :
6. After check, remove the lead wire connected in step 2. Note : â¢ Try to measure several times to make sure that the ratio of A : B or B : A is more than 10 : 7. â¢ Take sweep time as long as possible and light up the brightness to obtain best waveform. RF Level Check
oscilloscope BD (CD) board TP (RF) TP (VC)
[BD (CD) BOARD] â Side B â
Procedure : 1. Connect oscilloscope to test point TP (VC) and TP (RF) on BD (CD) board. 2. Turned Power switch on. 3. Put disc (YEDS-18) in and press the Â· (CD) key. 4. Confirm that oscilloscope waveform is clear and check RF signal level is correct or not. Note : Clear RF signal waveform means that the shape âââ can be clearly distinguished at the center of the waveform.
IC102 TEI FEI RV102
RF signal waveform
VOLT/DIV: 200 mV TIME/DIV: 500 ns
level: 1.3 Â± 0.3Vp-p
E-F Balance (Traverse) Check
oscilloscope (DC range) BD (CD) board TP (TEO) TP (VC)
Procedure : 1. Connect the TP (TEI) and TP (VC) with lead wire. 2. Connect oscilloscope to test point TP (VC) and TP (TEO) on BD (CD) board. 3. Turned Power switch on. 4. Put disc (YEDS-18) in and press the Â· (CD) key. 5. Confirm that the oscilloscope waveform is symmetrical on the top and bottom in relation to 0 Vdc, and check this level.
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