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Great service manua!
Always great value and fast service A++++++++++++++++++
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Excellent Service manual, good quality scans, quick service and very good value. Well reccomended ! All good.
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Great value service manual!
Good-quality scans. Detailed and valuable informations.
A+++++++++++++++
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Great value service manual!
Good-quality scans. Detailed and valuable informations.
A+++++++++++++++
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Excellent scan quality. A complete and very useful manual with all details.
Great service at low price A+++++++++++++++++
5
6
7
8
3. DISPLAY ERROR CORRECTION FLOW CHART
Something wrong with the display?
A
3-A
~ 3-C
No display or some display is broken?
YES
Checked the LCD driver Vdd?
NO
IC901(56)
B
YES
Checked the LCD driver Ground?
NO
IC901(60)
YES
Checked the LCD driver reset?
NO
IC901(57), CN901(11), IC401(75)
YES
Checked the LCD driver OSC?
NO
IC901(61)
C
YES
Checked the LCD driver data interface?
NO
IC401(76, 78, 79), CN901(3, 4, 10), IC901(62, 63, 64)
YES
Checked the LCD to LCD driver line?
NO
IC901(1 ~ 55), LCD
YES
OK
D
E
F
DVH-3900MP/XZ/EW5
5 6 7 8
27
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