- 2-19 -
FM(TUN600)CHECK
TUN600 2PIN 9V CHECK
VOLTAGE CHECK LIST
YES
NO
TUN600 7,8,9PIN CLOCK DATA CHECK
TUN600 3,5PIN OUTPUT CHECK
IC301 7,8,9 PIN CLOCK DATA CHECK
OK
YES
YES
NO
TUN600 CHANGE
NO
IC301 Troubleshooting
YES
IC905 Troubleshooting
FUNC CLOCK DATA 19,20PIN CHECK
VOLTAGE CHECK LIST
YES
21 PIN VOLT CHECK
EACH FUNC MODE (INPUT SIGNAL CHECK)
17,22 Pin OUTPUT SIGNAL CHECK
YES
NO
FUNC Troubleshooting
EACH FUNC MODE (INPUT SIGNAL CHECK)
YES
NO
SPK Relay SECTION CHECK
YES
NO
Summary of Contents for LX-U250A
Page 7: ... 1 6 ...
Page 29: ... 2 22 INTERNAL BLOCK DIAGRAM of ICs NJW1190 BLOCK DIAGRAM ...
Page 30: ... 2 23 PIN FUNCTION SSOP44 ...
Page 31: ... 2 24 PIN FUNCTION QFP48 P1 ...
Page 35: ... 2 28 PIN DESCRIPTION ...
Page 36: ... BLOCK DIAGRAM 2 29 2 30 ...
Page 37: ...2 31 2 32 WMA USB BLOCK DIAGRAM ...
Page 38: ...2 33 2 34 SCHEMATIC DIAGRAMS MAIN SCHEMATIC DIAGRAM ...
Page 39: ...2 35 2 36 FRONT SCHEMATIC DIAGRAM ...
Page 40: ...2 37 2 38 POWER SCHEMATIC DIAGRAM ...
Page 41: ...2 39 2 40 DECK SCHEMATIC DIAGRAM ...
Page 42: ...2 41 2 42 CD SCHEMATIC DIAGRAM ...
Page 43: ...2 43 2 44 USB SCHEMATIC DIAGRAM ...
Page 44: ...2 45 2 46 WIRING DIAGRAM ...
Page 45: ...2 47 2 48 PRINTED CIRCUIT DIAGRAMS MAIN P C BOARD ...
Page 46: ...2 49 2 50 FRONT P C BOARD ...
Page 47: ... CDP P C BOARD COMPONENT SIDE 2 51 2 52 ...
Page 48: ...2 53 2 54 CDP P C BOARD SOLDER SIDE ...
Page 49: ...2 55 2 56 LINEAR POWER ...
Page 53: ...3 5 3 6 ...
Page 54: ... 4 1 MODEL LXS U250 850 851 860 852 857 856 855 854 853 861 SECTION 4 SPEAKER SECTION ...
Page 55: ... 4 2 ...
