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Complete service manual in very good scanning quality with all schematic and PWB graphics as well as assembly & maintenance instructions. A slight drawback is that the rastering of the PWB graphics sometimes makes it a bit difficult to follow fine traces, but no showstopper.
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Purchased the manual that I was looking for at a great price and could download it easily.. Great service experience and for future purchases I plan to use the site. Thank you very much
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Service manual in good quality, it was very helpful to me. Perfect service, I am very satisfied.
Jochen Kelm
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Exellent manual ,it was in great condition,and got all the info i expected,5 stars!!
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I searched the Internet exhaustively for this manual and Owner-Manuals was the least expensive...but provided an excellent reproduction within 4 hours. Very satisified.
1-10
No video picture, no sound.
Trouble shooting chart
No video picture, no sound.
Check whether all the voltages from the power board to the decoder board are normal.
No Check the loaded circuit
CVBS(R1 point) waveform
Yes
Check if the reset circuit consisting of CE3, D6 and R21 is normal (at a high level for tens of milliseconds, then constantly at 3.3V).
No Change CE3, D6 and R21.
27Mhz waveform
Yes Crystal oscillator Y2 and
Check whether there is 27MHz signal output.
No
peripheral components are defected or eroded.
Yes
Check if there is 135MHz signal output on R31.
No
Check whether short-circuit or bad solder on U1,U3
SDRAM(R31 PCLK) waveform
No
Yes
Check if short-circuit and bad solder exist on Pin 60
Check U2. No
Yes Yes Reconnect the component in
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