Sharp 72GF-66E service manual Stereo LED Flashing Codes

Page 41

72GF-66E

STEREO LED FLASHING CODES.

If the TV set does not work and the stereo led is flashing, follow the sequence according to the information below, as a guide to fault finding.

1. Unable to read or write into NVM: 66% ON, 33% OFF twice and OFF for a second.

On Off

2. MSP failure: 66% ON, 33% OFF for three times and OFF for a second.

On Off

3. VPC failure: 66% ON, 33% OFF for four times and OFF for a second.

On Off

4.SAA4956 failure: 66% ON, 33% OFF for six times and OFF for a second.

5.DDP failure: 66% ON, 33% OFF for seven times and OFF for a second.

41

Image 41
Contents Model 72GF-66E =0.290 Y=0.300 Electrical SpecificationsImportant Servicing Notes Geometry Adjustments Adjustment menuHorizontal Vertical Pin PhaseHorizontal Shift WidthVertical Linearity Lower Corner CorrectionVertical Angle Vertical BowFollow the procedure below to set the Cut Off Colour AdjustmentsFollow the procedure below to set the Gain Vertical ShiftDvco Adjustment PAL Contrast AdjustmentsDvco Adjustment Ntsc Auto Installation On/OffQKI KITP7293BMN5 QKITP7293BMN5 F7293BMN5 CRT Module Unit Printed Wiring Board F7269N3. Component side CRT Module Unit Printed Wiring Board F7269N3. Copper side Side Copper C6083 Digital Module Unit Printed Wiring Boards F7295NOACopper side Power Switch Unit Printed Wiring Boardsm F7305N0BComponent side Audio Amplifier Unit Printed Wiring Boards F7304N0BAudio Amplifier Unit F7304N0B PWB Parts Location Tables CN3 Mother Unit F7293N5A PWB Parts Location TablesFB1 JF6 TRCJF8 JF9JF3 JF2R817 214376 58674 R818 207518 61722 T702 56896 173228 Component Side Copper side CRT Module Unit PWB F7269N3 Parts Location TablesDinamic Focus Unit PWB F7271N3 Parts Location Tables Front A/V Unit PWB F7306N0B Parts Location TablesDigital Module Unit PWB F7305N0B Parts Location Tables Component Side. Copper sideRGB Digital Module Unit F7295N0B PWB Parts Location TablesJF4 JF5Description of Schematic Diagram 72GF 66E IC305 Sharp Schematic Diagram of CRT Module Unit F7269N3, 00 Version Sharp Realizado Verificado Aprobado Front aSchematic Diagram of Dinamic Focus Unit F7271, 00 Version Realizado Veri Module Digital Schematic Diagram Schematic Diagram of Power Supply Unit F7305, 00 Version Sharp Stereo LED Flashing Codes Video Processor Block DiagramBlock Diagram 72GF-66E Picture Tube Parts DescriptionMother Unit Tuner Integrated CircuitsCoils Packaged CircuitsCeramic Filters TransformersUVZ2C2R2MEH1TA Nichicon Ceram C 5PF 50V 2125SMDCeram C 1UF 16V 2125SMD Ceram C DE1410 E332M-KX ResistorsCeram C 220PF 2KV MET OX RES 1KOHM 5% 1W MET Film R 1 OHM 5% 2WSET MET OX R 3,3KOHM 5% 3W LW Wound RES 47KOHM 5% 5WMiscellaneous Parts TRC Unit Integrated Circuits Digital Module Unit Integrated Circuits Zener Diode TZMC3V3 TFK SMD Zener Diode TZMC24 TFK SMDCrystal 5MHZ Acal Crystal 20.25 HMZIC TDA7481 Thomson Audio Amplifier Integrated CircuitsPwbdigital Module VPC RGB Cabinet Parts Frontal A/V Unit CoilsLine Filter Unit Coils 1.2 1.3 1.5 1.6 Recycled Paper