3-5
DESPLAY CONDITION?
INVERTOR ABNORMAL
appear shadow form interference
in black background
There is only bright light.(LCD B/D abnormal)
FUSE Replace
IC8F1, IC8F2 Check and Replace
T801, D8F1, D8F2, D8F3 Check
IC8F3, IC8F4 Check and Replace
A/V IN S/W Check
X801, C832 Replace
IC801, IC803, Q806 Check and Replace
IC808, Q811, Q812, QQ813 Check and Replace
D801, L809, IC806 VCO Check and Replace
Q810, IC807 Check and Replace
FUSE(F801)Normal?
Q8F1 Normal operate?
7.5V, 17V, -15V Normal?
+5V, +3.3V Normal?
Y/C Display signal?
X801 operate?
R.G.B signal output?
VCOM signal?(6.5Vpp)
VCO Normal operate?
H/V SYNC?
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
LCD TROUBLE SHOOTING GUIDE(1/2)
Содержание DVP7771
Страница 8: ...2 3 Deck Mechanism Section 430 430 001 430 002 002 006 005 004 003 002 431 431 007...
Страница 32: ...MEMO...
Страница 37: ...3 15 3 16 LCD P C BOARD LOCATION GUIDE LOCATION GUIDE...
Страница 38: ...MEMO MEMO...
Страница 44: ...3 42 3 43 6 PANTER CIRCUIT DIAGRAM waveforms page 3 58 3 59 2002 02 01 R14113A...
Страница 45: ...3 44 3 45 7 MEMORY CIRCUIT DIAGRAM 2002 02 01 R14114A...
Страница 46: ...3 46 3 47 8 X BUS CIRCUIT DIAGRAM Q501 is defective Key S W voltage abnormal 2002 02 01 R14115A...
Страница 47: ...3 48 3 49 9 CPLD CIRCUIT DIAGRAM 2002 02 01 R14116A...
Страница 51: ...3 56 3 57 13 REMOCON CIRCUIT DIAGRAM Remocon not operate Q902 is defective LED not operate 2002 02 01 R14123A...
Страница 54: ...3 62 3 63 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE LOCATION GUIDE...
Страница 55: ...3 64 3 65 2 FRONT KEY P C BOARD LOCATION GUIDE LOCATION GUIDE...
Страница 56: ...MEMO MEMO...
