- 3-12 -
5. Hi-Fi CIRCUIT
(A) No Sound(EE Mode)
YES
No Sound.
Check the TU Audio of IC801
Pins1, 3.
Check the DVD Audio of IC801
Pins4, 5.
Check the AV1 Audio of IC801
Pins6, 7.
Check the AV2 Audio of IC801
Pins8, 9.
Check the AV3 Audio of IC801
Pins10, 11.
Check the Vcc of IC801 Pins34, 40,
IC802 Pin4.
YES
Check the IIC Clock and DATA at
IC801 Pins42, 43, IC802 Pins32, 33.
YES
Check the Audio of IC801 Pins16, 17.
YES
Check the Audio of IC802 Pins22, 26.
YES
Check the JK801.
Check the IC751 Pins30, 31.
NO
Check the DVD MODULE.
(P8D01 Pins3, 5).
NO
Check the Scart1 Jack.
(SC901 Scart1 Audio in Pins2, 6).
NO
Check the front Jack.
(PM602 Pins3, 5).
Check the Scart2 Jack.
(SC901 Scart2 Audio in Pins2, 6).
NO
NO
Check the Power 5.2V, 12VT.
YES
NO
Check the IC501 Pins59, 60.
NO
Replace IC801.
Replace IC802.
NO
NO
Summary of Contents for XBS341 Series
Page 1: ...SERVICE MANUAL MODELS XBS341...
Page 10: ...2 1 SECTION 2 AUDIO PART...
Page 12: ...3 2 VCR ELECTRICAL TROULBESHOOTING...
Page 13: ...3 3...
Page 27: ...SECTION 4 MECHANSIM OF VCR PART...
Page 39: ...4 12...
Page 41: ...4 14...
Page 51: ...4 24...
Page 58: ...5 1 DVD ELECTRICAL TROUBLESHOOTING 1 Test debug flow SECTION 5 DVD PART...
Page 59: ...5 2...
Page 60: ...5 3...
Page 61: ...5 4...
Page 62: ...5 5...
Page 63: ...5 6...
Page 67: ...5 10 2 Tray close waveform 3 Tray open waveform...
Page 69: ...5 12 6 LASER POWER CONTROL RELATED SIGNAL NO DISC CONDITION 7 DISC TYPE JUDGEMENT WAVEFORM...
Page 70: ...5 13...
Page 71: ...5 14 8 FOCUS ON WAVEFORM...
Page 72: ...5 15 9 SPINDLE CONTROL WAVEFORM NO DISC CONDITION...
Page 73: ...5 16 10 TRACKING CONTROL RELATED SIGNAL System checking...
Page 74: ...5 17 11 RF WAVEFORM 12 MT1379 AUDIO OPTICAL AND COAXIAL OUTPUT ASPDIF...
Page 75: ...5 18 13 MT1379 VIDEO OUTPUT WAVEFORM 1 Full colorbar signal CVBS 2 Y...
Page 76: ...5 19 3 C 14 AUDIO OUTPUT FORM AUDIO DAC 1 Audio related Signal...
Page 77: ...5 20 MEMO...
Page 80: ...2 2 2 3 BLOCK DIAGRAM...
Page 81: ...2 4 2 5 AUDIO SHEMATIC DIAGRAMS U COM SCHEMATIC DIAGRAM...
Page 82: ...2 6 2 7 FUNCTION POWER SCHEMATIC DIAGRAM...
Page 83: ...2 8 2 9 MAIN AMP SCHEMATIC DIAGRAM...
Page 84: ...2 10 2 11 WIRING DIAGRAM...
Page 86: ...2 14 2 15 PRINTED CIRCUIT DIAGRAM MAINAMP FRONT P C BOARD SOLDER SIDE...
Page 87: ...2 16 2 17 MAINAMP FRONT P C BOARD COMPONENT SIDE...
Page 88: ...2 18 2 19 FUNCTION POWER P C BOARD SOLDER SIDE...
Page 89: ...2 20 2 21 FUNCTION POWER P C BOARD COMPONENT SIDE...
Page 90: ...3 17 3 18 VCR SHEMATIC DIAGRAMS SYSTEM SCHEMATIC DIAGRAM...
Page 91: ...3 19 3 20 A AUDIO V VIDEO SCHEMATIC DIAGRAM...
Page 93: ...3 23 3 24 HIFI TUNER SCHEMATIC DIAGRAM...
Page 94: ...3 25 3 26 A V JACK SCART SCHEMATIC DIAGRAM...
Page 96: ...3 29 3 30 PRINTED CIRCUIT DIAGRAMS TUNER P C BOARD...
Page 97: ...3 31 3 32 VCR P C BOARD...
Page 98: ...3 33 3 34 VCR P C BOARD...
Page 99: ...5 22 5 21 DVD PART SCHEMATIC DIAGRAMS MPEG SCHEMATIC DIAGRAM...
Page 100: ...5 23 5 24 SERVO SCHEMATIC DIAGRAM...
Page 101: ...5 25 5 26 AUDIO SCHEMATIC DIAGRAM...
Page 102: ...5 27 5 28 INTERFACE SCHEMATIC DIAGRAM...
Page 103: ...5 29 5 30 VOLTAGE SHEET IC TR...
Page 104: ...5 31 5 32 PRINTED CIRCUIT DIAGRAM DVD P C BOARD SOLDER SIDE...
Page 105: ...5 33 5 34 DVD P C BOARD COMPONENT SIDE...
Page 107: ...MEMO MEMO...
Page 109: ...MEMO MEMO...
Page 115: ......