- 2-16 -
NO SOUND
IC905 17,22 PIN OUTPUT CHECK
POWER CIRCUIT CHECK
IC905 Troubleshooting VIEW
YES
NO
SPK Relay troubleshooting VIEW
YES
NO
IC905 INPUT CHECK(FUNK BLOCK INPUT CHECK)
Muting troubleshooting VIEW
YES
NO
RY700 CONTROL CHECK
OK
SPK Relay Troubleshooting (ONLY LX-W550`s)
D503 (+)12V CHECK
VOLTAGE CHECK LIST
YES
NO
RELAY CHANGE (RY700)
YES
NO
Q511 Collector "Low"CHECK
IC204 Troubleshooting
YES
NO
Q511 CHANGE
Q511 Base "High"
YES
NO
OUTPUT SOUND CHECK
OK
Содержание LX-U250A
Страница 7: ... 1 6 ...
Страница 29: ... 2 22 INTERNAL BLOCK DIAGRAM of ICs NJW1190 BLOCK DIAGRAM ...
Страница 30: ... 2 23 PIN FUNCTION SSOP44 ...
Страница 31: ... 2 24 PIN FUNCTION QFP48 P1 ...
Страница 35: ... 2 28 PIN DESCRIPTION ...
Страница 36: ... BLOCK DIAGRAM 2 29 2 30 ...
Страница 37: ...2 31 2 32 WMA USB BLOCK DIAGRAM ...
Страница 38: ...2 33 2 34 SCHEMATIC DIAGRAMS MAIN SCHEMATIC DIAGRAM ...
Страница 39: ...2 35 2 36 FRONT SCHEMATIC DIAGRAM ...
Страница 40: ...2 37 2 38 POWER SCHEMATIC DIAGRAM ...
Страница 41: ...2 39 2 40 DECK SCHEMATIC DIAGRAM ...
Страница 42: ...2 41 2 42 CD SCHEMATIC DIAGRAM ...
Страница 43: ...2 43 2 44 USB SCHEMATIC DIAGRAM ...
Страница 44: ...2 45 2 46 WIRING DIAGRAM ...
Страница 45: ...2 47 2 48 PRINTED CIRCUIT DIAGRAMS MAIN P C BOARD ...
Страница 46: ...2 49 2 50 FRONT P C BOARD ...
Страница 47: ... CDP P C BOARD COMPONENT SIDE 2 51 2 52 ...
Страница 48: ...2 53 2 54 CDP P C BOARD SOLDER SIDE ...
Страница 49: ...2 55 2 56 LINEAR POWER ...
Страница 53: ...3 5 3 6 ...
Страница 54: ... 4 1 MODEL LXS U250 850 851 860 852 857 856 855 854 853 861 SECTION 4 SPEAKER SECTION ...
Страница 55: ... 4 2 ...