- 3-16 -
(B) No Sound
No Sound.
Check the Vcc of IC751 Pins1, 11, 19,
22, 33.
YES
Check 5.2V Line.
NO
Check the Tuner SiF signal at IC751
Pin2.
YES
Check the oscillator of IC751 Pins5, 6.
YES
Check the Audio of IC751 Pins30, 31.
YES
Check the Audio of IC801 Pins2, 3.
YES
Check the Audio of IC801 Pins16, 17.
YES
Check the Audio of IC802 Pins22, 26.
YES
Check the Signal flow from IC802
Pins22, 26, SC901 Pins1, 3.
YES
Check the Tuner SIF of TU701 Pin22.
NO
Replace X751
NO
Check the IIC Clock and Data at IC751
Pins12, 13.
NO
Check the signal flow from IC751
Pins30, 31 to IC801 Pins2, 3.
NO
Check the IIC Clock and Data at IC801
Pins42, 43.
NO
Check the signal flow from IC801
Pins16, 17 to IC802 Pins10, 16.
NO
Содержание XBS341 Series
Страница 1: ...SERVICE MANUAL MODELS XBS341...
Страница 10: ...2 1 SECTION 2 AUDIO PART...
Страница 12: ...3 2 VCR ELECTRICAL TROULBESHOOTING...
Страница 13: ...3 3...
Страница 27: ...SECTION 4 MECHANSIM OF VCR PART...
Страница 39: ...4 12...
Страница 41: ...4 14...
Страница 51: ...4 24...
Страница 58: ...5 1 DVD ELECTRICAL TROUBLESHOOTING 1 Test debug flow SECTION 5 DVD PART...
Страница 59: ...5 2...
Страница 60: ...5 3...
Страница 61: ...5 4...
Страница 62: ...5 5...
Страница 63: ...5 6...
Страница 65: ...5 8 3 RS232 waveform during procedure Downloading 4 Flash R W enable signal during download Downloading...
Страница 66: ...5 9 2 SDRAM CLOCK 1 MT1379 main clock is at 27MHz X501 3 TRAY OPEN CLOSE SIGNAL 1 Tray open close waveform...
Страница 67: ...5 10 2 Tray close waveform 3 Tray open waveform...
Страница 68: ...5 11 4 SLED CONTROL RELATED SIGNAL NO DISC CONDITION 5 LENS CONTROL RELATED SIGNAL NO DISC CONDITION...
Страница 69: ...5 12 6 LASER POWER CONTROL RELATED SIGNAL NO DISC CONDITION 7 DISC TYPE JUDGEMENT WAVEFORM...
Страница 70: ...5 13...
Страница 71: ...5 14 8 FOCUS ON WAVEFORM...
Страница 72: ...5 15 9 SPINDLE CONTROL WAVEFORM NO DISC CONDITION...
Страница 73: ...5 16 10 TRACKING CONTROL RELATED SIGNAL System checking...
Страница 74: ...5 17 11 RF WAVEFORM 12 MT1379 AUDIO OPTICAL AND COAXIAL OUTPUT ASPDIF...
Страница 75: ...5 18 13 MT1379 VIDEO OUTPUT WAVEFORM 1 Full colorbar signal CVBS 2 Y...
Страница 76: ...5 19 3 C 14 AUDIO OUTPUT FORM AUDIO DAC 1 Audio related Signal...
Страница 77: ...5 20 MEMO...
Страница 80: ...2 2 2 3 BLOCK DIAGRAM...
Страница 81: ...2 4 2 5 AUDIO SHEMATIC DIAGRAMS U COM SCHEMATIC DIAGRAM...
Страница 82: ...2 6 2 7 FUNCTION POWER SCHEMATIC DIAGRAM...
Страница 83: ...2 8 2 9 MAIN AMP SCHEMATIC DIAGRAM...
Страница 84: ...2 10 2 11 WIRING DIAGRAM...
Страница 86: ...2 14 2 15 PRINTED CIRCUIT DIAGRAM MAINAMP FRONT P C BOARD SOLDER SIDE...
Страница 87: ...2 16 2 17 MAINAMP FRONT P C BOARD COMPONENT SIDE...
Страница 88: ...2 18 2 19 FUNCTION POWER P C BOARD SOLDER SIDE...
Страница 89: ...2 20 2 21 FUNCTION POWER P C BOARD COMPONENT SIDE...
Страница 90: ...3 17 3 18 VCR SHEMATIC DIAGRAMS SYSTEM SCHEMATIC DIAGRAM...
Страница 91: ...3 19 3 20 A AUDIO V VIDEO SCHEMATIC DIAGRAM...
Страница 93: ...3 23 3 24 HIFI TUNER SCHEMATIC DIAGRAM...
Страница 94: ...3 25 3 26 A V JACK SCART SCHEMATIC DIAGRAM...
Страница 96: ...3 29 3 30 PRINTED CIRCUIT DIAGRAMS TUNER P C BOARD...
Страница 97: ...3 31 3 32 VCR P C BOARD...
Страница 98: ...3 33 3 34 VCR P C BOARD...
Страница 99: ...5 22 5 21 DVD PART SCHEMATIC DIAGRAMS MPEG SCHEMATIC DIAGRAM...
Страница 100: ...5 23 5 24 SERVO SCHEMATIC DIAGRAM...
Страница 101: ...5 25 5 26 AUDIO SCHEMATIC DIAGRAM...
Страница 102: ...5 27 5 28 INTERFACE SCHEMATIC DIAGRAM...
Страница 103: ...5 29 5 30 VOLTAGE SHEET IC TR...
Страница 104: ...5 31 5 32 PRINTED CIRCUIT DIAGRAM DVD P C BOARD SOLDER SIDE...
Страница 105: ...5 33 5 34 DVD P C BOARD COMPONENT SIDE...
Страница 107: ...MEMO MEMO...
Страница 109: ...MEMO MEMO...
Страница 115: ......