- 2-4 -
READING OK CHECK
(= “NO DISC” DISPLAY)
CONNECTOR LOCKING
CHECK(PN801,PN802)
DOES SLED MOVE ?
DOES LENSE MOVE ?
(= UP & DOWN)
CHECK PN802
PIN 3,4( SL+,SL-)
A
B
C
D
E
CHECK PN801 PIN 13,16( FA-, FA+)
CHECK PN801 PIN 10( LD )
CHECK PN802 PIN
5,6( SP+,SP-)
CHECK PN801 PIN 14,15 (TA-, TA+)
DEFECTIVE PICKUP OR
IC802 OR IC801
DEFECTIVE PICKUP OR
IC801
DEFECTIVE PICKUP OR
IC802 OR IC801
DEFECTIVE PICKUP OR
IC802 OR IC801
DEFECTIVE PICKUP OR
IC802OR IC801
DOES LASER LIGHT ?
DOES SPINDLE ROTATE ?
IS READING OK ?
Содержание LX-U550A
Страница 6: ... 1 6 ...
Страница 27: ... 2 21 INTERNAL BLOCK DIAGRAM of ICs NJW1190 BLOCK DIAGRAM ...
Страница 28: ... 2 22 PIN FUNCTION SSOP44 ...
Страница 29: ... 2 23 PIN FUNCTION QFP48 P1 ...
Страница 33: ... 2 27 PIN DESCRIPTION ...
Страница 34: ... 2 28 ...
Страница 35: ... BLOCK DIAGRAM 2 29 2 30 ...
Страница 36: ...2 31 2 32 WMA USB BLOCK DIAGRAM ...
Страница 37: ...2 33 2 34 SCHEMATIC DIAGRAMS MAIN SCHEMATIC DIAGRAM ...
Страница 38: ...2 35 2 36 FRONT SCHEMATIC DIAGRAM ...
Страница 39: ...2 37 2 38 POWER SCHEMATIC DIAGRAM ...
Страница 40: ...2 39 2 40 DECK SCHEMATIC DIAGRAM ...
Страница 41: ...2 41 2 42 CD SCHEMATIC DIAGRAM ...
Страница 42: ...2 43 2 44 USB SCHEMATIC DIAGRAM ...
Страница 43: ...2 45 2 46 WIRING DIAGRAM ...
Страница 44: ...2 47 2 48 PRINTED CIRCUIT DIAGRAMS MAIN P C BOARD ...
Страница 45: ...2 49 2 50 FRONT P C BOARD ...
Страница 46: ...2 51 2 52 CDP P C BOARD COMPONENT SIDE ...
Страница 47: ...2 53 2 54 CDP P C BOARD SOLDER SIDE ...
Страница 48: ...2 55 2 56 LINEAR POWER ...
Страница 49: ......
Страница 54: ... 4 2 ...