- 2-8 -
IC701 9 ,14 ±9V CHECK
IC701 10 , 13 INPUT SIGNAL CHECK
IC701 5 ,17 OUTPUT SIGNAL CHECK
OK
SMPS TROUBLESHOOTING CONSULT
REC INPUTCHECK CHECK
INPUT LINE CHECK
IC202 4PIN STATECHECK
Q205 BASE 0.6V CHECK
VOLTAGE CHECK CONSULT
IC202 TROUBLESHOOTING CHECK
Q204 CHANGE
L203 CHANGE
Q204 COLLECTOR LOW
Q203 CHANGE
OK
REC OUTPUTCHECK AFTER FAULTY IS ICCHANGE
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
REC CHECK (Q252,Q202 ON :R273,R223 HIGH)
IC601 24PIN VOLTAGE INPUT CHECK
IC201 7,24 PIN INPUT CHECK
IC201 10.21 PIN OUTPUT CHECK
L203 2,3PIN CHECK
IC202 14 PIN STATESTATE CHECK
Q213.212 STATE STATECHECK
DECK CHANGE
IC401 EACH INPUTTUNER6,39.TAPE.
7.38.CD. 8.38.AUX.9.36 PIN SIGNAL
INPUT CHECK
NO
NO
NO
NO
NO
NO
NO
NO
Summary of Contents for LM-U2350A
Page 7: ... 1 6 ...
Page 17: ... 2 10 INTERNAL BLOCK DIAGRAM of ICs HA12237F BLOCK DIAGRAM ...
Page 18: ... 2 11 NJW1190 BLOCK DIAGRAM AF330W20FS BLOCK DIAGRAM ...
Page 20: ... 2 13 AF350W01FS BLOCK DIAGRAM PIN CONFIGURATION ...
Page 22: ...2 15 2 16 BLOCK DIAGRAM ...
Page 23: ...2 17 2 18 WMA_USB BLOCK DIAGRAM ...
Page 24: ...2 19 2 20 SCHEMATIC DIAGRAMS FRONT SCHEMATIC DIAGRAM ...
Page 25: ...2 22 2 21 MAIN SCHEMATIC DIAGRAM ...
Page 26: ...2 23 2 24 DECK SCHEMATIC DIAGRAM ...
Page 27: ...2 26 2 25 MIC SCHEMATIC DIAGRAM ...
Page 28: ...2 27 2 28 USB_AUX2_H P SCHEMATIC DIAGRAM ...
Page 29: ...2 30 2 29 WOOFER AMP SCHEMATIC DIAGRAM ...
Page 30: ...2 31 2 32 AMP SCHEMATIC DIAGRAM ...
Page 31: ...2 34 2 33 POWER SCHEMATIC DIAGRAM ...
Page 32: ...2 35 2 36 POWER SCHEMATIC DIAGRAM ...
Page 33: ...2 37 2 38 SUB POWER SCHEMATIC DIAGRAM ...
Page 34: ...2 39 2 40 CDP SCHEMATIC DIAGRAM ...
Page 35: ...2 41 2 42 USB SCHEMATIC DIAGRAM ...
Page 36: ...2 43 2 44 WIRING DIAGRAMS ...
Page 37: ... PRINTED CIRCUIT DIAGRAMS MAIN P C BOARD 2 45 2 46 ...
Page 38: ...2 47 2 48 MAIN AMP P C BOARD ...
Page 39: ...2 49 2 50 MAIN AMP P C BOARD ...
Page 40: ...2 51 2 52 FRONT P C BOARD ...
Page 41: ...2 53 2 54 CDP P C BOARD ...
Page 42: ...2 55 2 56 CDP P C BOARD ...
Page 43: ...2 57 2 58 POWER P C BOARD ...
Page 44: ...2 59 2 60 POWER P C BOARD ...
Page 45: ...2 61 2 62 SUB POWER P C BOARD ...
Page 46: ...2 63 2 64 WOOFER AMP P C BOARD ...
Page 47: ...2 65 2 66 ...
Page 55: ... 4 4 ...