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Really good and well scanned. File is complete the full service manual for 5$
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Good product and very helpfull to repair. Many thanks.
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Very good product. Best service manual. Many thanks
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I am only search for 5 Minute, by it in 5 Minutes to and get ist in few ours! Best i found in the Internet and my Amplifer is repaired as well! Thank you
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Readable text and good copy. Very much needed if you wish to do some repairs on this fine old unit.
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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
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