- 2-4 -
SPECIFIC FUNCTION MODE HAS NO SOUND (NJW1190) IC601
IC201 INPUT CHECK(HEAD
INPUT)"A"DECK 32,39 "B"DECK 34,37
DECK HEAD WIRE
CONNECTION STATE CHECK
IC502 10PIN(PB MUTE) STATE
STATE CHECK
IC502 4PIN(REC SW) "LOW"
STATE REC
Q212 (C) "HIGH" CHECK
Q213 (C) "LOW" CHECK
IC502 13 PIN "REC-BAIS" HIGH
CHECK
L203(4.7MH) COIL VIBRATION
SIGNAL CHECK
IC601 7 /32 INPUT REC'
SIGNAL CHECK
IC502 4PIN(REC SW) "HIGH"
CHECK
IC601(NJW1190)
TROUBLESHOOTING CONSULT
IC502 2 PIN/3 PIN
CHECK(DATA/CL
IC502 16 PIN VDD CHECK
IC502 EXPEND IC CHANGE
IC201 OUTPUT CHECK(5,26 PIN)
IC601 3,36PIN INPUT SIGNAL CHECK
IC601 17,22 PIN OUTPUT SIGNAL
CHECK
DECK OUTPUT
1)
1)
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
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 ...
