- 2-3 -
3. FRONT CIRCUIT (1/2)
POWER ON
TURN ON
THE GREEN LED?
CHECK IF THE
FRONT POWER
IS OK(*2).
IS DIGITRON
ON NORMALLY?
CHECK IF
THE HEADPHONE
IS OK.
YES
NO
YES
NO
YES
REFER TO SMPS PART.
CHECK IF
THE REMOCON
IS OK.
YES
CHECK IF
THE PN101/PN102
IS OK?
RECONNECT IT.
(REFER TO NOTICE *1).
CHECK IF
ALL BUTTENS
ARE OK.
YES
CHECK IF
THE VOLUME IS
OK.
YES
FRONT B/D OK.
YES
CHECK IF
THE VFD001 PINS
ARE OK.
CHECK PATTERN
AND RESOLDERING.
NO
YES
*1:
When it i s needed to reconnect FPC cable into PN101/PN102,
short ZD 972 + and screw(chassis GND) near to ZD972.
*2:
PN101 Pins
PIN2 : -23.0V
PIN3 : -27.5V
PIN4 : 5.0V
PIN11 : -34.0V
PIN20 : 12.0V
NO
NO
Summary of Contents for LH-SW5100
Page 5: ... 1 5 SPECIFICATIONS ...
Page 6: ... 1 6 LOCATION OF CUSTOMER CONTROLS FRONT PANEL DISPLAY WINDOW ...
Page 7: ... 1 7 REAR PANEL ...
Page 8: ... 1 8 REMOTE CONTROL ...
Page 10: ... 2 2 2 AUDIO µ COM CIRCUIT ...
Page 12: ... 2 4 4 FRONT CIRCUIT 2 2 ...
Page 14: ... 3 2 2 Test debug flow ...
Page 15: ... 3 3 ...
Page 16: ... 3 4 ...
Page 17: ... 3 5 ...
Page 18: ... 3 6 ...
Page 19: ... 3 7 ...
Page 23: ... 3 11 2 Tray close waveform 3 Tray open waveform ...
Page 25: ... 3 13 6 LASER POWER CONTROL RELATED SIGNAL NO DISC CONDITION 7 DISC TYPE JUDGEMENT W VEFORM ...
Page 26: ... 3 14 ...
Page 27: ... 3 15 8 FOCUS ON W VEFORM ...
Page 28: ... 3 16 9 SPINDLE CONTROL W VEFORM NO DISC CONDITION ...
Page 29: ... 3 17 10 TRACKING CONTROL RELATED SIGNAL System checking ...
Page 30: ... 3 18 11 RF W VEFORM 12 MT1379 AUDIO OPTICAL AND COAXIAL OUTPUT ASPDIF ...
Page 31: ... 3 19 13 MT1379 VIDEO OUTPUT W VEFORM 1 Full colorbar signal CVBS 2 Y ...
Page 32: ... 3 20 3 C 14 AUDIO OUTPUT FORM AUDIO DAC 1 Audio related Signal ...
Page 33: ... 6 1 SECTION 6 SPEAKER PART ELECTRICAL TROUBLESHOOTING GUIDE ...
Page 34: ... 6 2 ...
Page 35: ... 6 3 ...
Page 36: ... 6 4 ...
Page 37: ... 6 5 ...
Page 38: ... 6 6 MEMO ...
Page 39: ... BLOCK DIAGRAM 2 5 2 6 ...
Page 40: ...2 7 2 8 SCHEMATIC DIAGRAMS FRONT POWER SCHEMATIC DIAGRAM ...
Page 41: ...2 9 2 10 MICOM SCHEMATIC DIAGRAM ...
Page 42: ...2 11 2 12 I O SCHEMATIC DIAGRAM ...
Page 43: ...2 13 2 14 DAP SCHEMATIC DIAGRAM ...
Page 44: ...2 15 2 16 AMP SCHEMATIC DIAGRAM ...
Page 45: ...2 17 2 18 SMPS SCHEMATIC DIAGRAM ...
Page 46: ...2 19 2 20 WIRING DIAGRAM ...
Page 47: ...2 21 2 22 VOLTAGE SHEET IC TR ...
Page 48: ...2 23 2 24 ...
Page 49: ...2 25 2 26 PRINTED CIRCUIT DIAGRAMS MAIN P C BOARD SOLDER SIDE ...
Page 50: ...2 27 2 28 MAIN P C BOARD COMPONENT SIDE ...
Page 51: ...2 29 2 30 FRONT P C BOARD ...
Page 52: ...2 31 2 32 SMPS P C BOARD ...
Page 53: ...3 21 3 22 DVD PART SCHEMATIC DIAGRAMS MPEG SCHEMATIC DIAGRAM ...
Page 54: ...3 23 3 24 SERVO SCHEMATIC DIAGRAM ...
Page 55: ...3 25 3 26 INTERFACE SCHEMATIC DIAGRAM ...
Page 56: ...3 27 3 28 VOLTAGE SHEET IC TR ...
Page 57: ...3 29 3 30 PRINTED CIRCUIT DIAGRAM DVD P C BOARD SOLDER SIDE ...
Page 58: ...3 31 3 32 DVD P C BOARD COMPONENT SIDE ...
Page 61: ...6 7 6 8 BLOCK DIAGRAM ...
Page 62: ...6 9 6 10 SHEMATIC DIAGRAMS SCHEMATIC DIAGRAM ACC W5100 ...
Page 63: ...6 11 6 12 SCHEMATIC DIAGRAM FA W5100 ...
Page 64: ...6 13 6 14 SMPS SCHEMATIC DIAGRAM FA W5100 ...
Page 65: ...6 15 6 16 WIRING DIAGRAM ...
Page 66: ...6 17 6 18 PRINTED CIRCUIT DIAGRAM ACC W5100 P C BOARD ...
Page 67: ...6 19 6 20 FA W5100SL SR MAIN P C BOARD ...