- 2-2 -
OPEN CLOSE NG
CONNECTOR LOCKING CHECK ( PN804 )
CHECK POWER SUPPLY CIRCUIT( PN805, PN806)
PN 806 PIN 4 = 12V, PIN 5 = 6.2V
PN805 PIN 1 = 5V
CHECK VOLTAGE CHANGE OF OPEN CLOSE ,
AND IC802 INPUT VOLTAGE PIN 7, 8, 20 (=6.2V)
(PN805 PIN 2:BTL_MUTE, 14:OPEN 15:CLOSE)
DEFECTIVE MAIN
POEWR SUPPLY
DEFECTIVE MICOM
DEFECTIVE
MECHANISM
Summary of Contents for LX-U550A
Page 6: ... 1 6 ...
Page 27: ... 2 21 INTERNAL BLOCK DIAGRAM of ICs NJW1190 BLOCK DIAGRAM ...
Page 28: ... 2 22 PIN FUNCTION SSOP44 ...
Page 29: ... 2 23 PIN FUNCTION QFP48 P1 ...
Page 33: ... 2 27 PIN DESCRIPTION ...
Page 34: ... 2 28 ...
Page 35: ... BLOCK DIAGRAM 2 29 2 30 ...
Page 36: ...2 31 2 32 WMA USB BLOCK DIAGRAM ...
Page 37: ...2 33 2 34 SCHEMATIC DIAGRAMS MAIN SCHEMATIC DIAGRAM ...
Page 38: ...2 35 2 36 FRONT SCHEMATIC DIAGRAM ...
Page 39: ...2 37 2 38 POWER SCHEMATIC DIAGRAM ...
Page 40: ...2 39 2 40 DECK SCHEMATIC DIAGRAM ...
Page 41: ...2 41 2 42 CD SCHEMATIC DIAGRAM ...
Page 42: ...2 43 2 44 USB SCHEMATIC DIAGRAM ...
Page 43: ...2 45 2 46 WIRING DIAGRAM ...
Page 44: ...2 47 2 48 PRINTED CIRCUIT DIAGRAMS MAIN P C BOARD ...
Page 45: ...2 49 2 50 FRONT P C BOARD ...
Page 46: ...2 51 2 52 CDP P C BOARD COMPONENT SIDE ...
Page 47: ...2 53 2 54 CDP P C BOARD SOLDER SIDE ...
Page 48: ...2 55 2 56 LINEAR POWER ...
Page 49: ......
Page 54: ... 4 2 ...