3-6
IC805’s CLK and CONT signal?
IC805 Replace
MAIN B/D Check
LCD MODE CONT signal?
ALL “LOW”(NORMAL condition)
TFT LCD pressure voltage?
+17V, -15V, +5V, +3.3V
Power source and D803, D804 Check
TFT LCD Normal?
Replace
Color Adjusting Normal?
Readjust as adjustement standard.
Each CONNECTOR?
Replace and Reassemble
INVERTOR Normal?
Replace
END
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
LCD TROUBLE SHOOTING GUIDE(2/2)
Summary of Contents for DVP7771
Page 8: ...2 3 Deck Mechanism Section 430 430 001 430 002 002 006 005 004 003 002 431 431 007...
Page 32: ...MEMO...
Page 37: ...3 15 3 16 LCD P C BOARD LOCATION GUIDE LOCATION GUIDE...
Page 38: ...MEMO MEMO...
Page 44: ...3 42 3 43 6 PANTER CIRCUIT DIAGRAM waveforms page 3 58 3 59 2002 02 01 R14113A...
Page 45: ...3 44 3 45 7 MEMORY CIRCUIT DIAGRAM 2002 02 01 R14114A...
Page 47: ...3 48 3 49 9 CPLD CIRCUIT DIAGRAM 2002 02 01 R14116A...
Page 54: ...3 62 3 63 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE LOCATION GUIDE...
Page 55: ...3 64 3 65 2 FRONT KEY P C BOARD LOCATION GUIDE LOCATION GUIDE...
Page 56: ...MEMO MEMO...