HP LC3260N manual Waveforms

Page 63

WAVEFORMS

ADC1

TUNER

20ns

2.0ms

20∝ s

1.0V

2.0V

1.0V

1

6

SOUND AMP/HEADPHON AMP

		2.0ms
2.0ms		2.0ms
2.0ms		2.0V
500mV		2.0V
500mV

2	7

			AV SWITCH2

2.0ms				100∝ s
500mV				2.0V

3	8

2.0ms		100∝ s
2.0V		2.0V

4

9

2.0ms		20∝ s
2.0V		500mV

5

10

11

STEREO

2.0ms

500mV

12

2.0ms

500mV

13

MICON

50ns

500mV

14

SCALER

20∝ s

500mV

15

NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.

I-1

Image 63

Contents Model Servicing Notices on Checking HOW to Order PartsAbout Lead Free Solder PbF Contents System General SpecificationsA3-2 A3-3 A3-4 A3-5 Removal and Installation of Flat Package IC Disassembly InstructionsInstallation Set Set Key Remocon Standard Operations Condition Time Service Mode ListConfirmation of Initial Data When Replacing Eeprom Memory ICRE-WRITE for Digital Soft Firmware Adjustment Procedure Electrical AdjustmentsConfirmation of Fixed Value Step No Electrical Adjustment Parts Location Guide Wiring Connection Troubleshooting Guide Pins 1, 2, 3, 4 Picture does not Appear Is There Signal Picture APPEARS, but the Audio does not Appear CD3806 5V ? YES Is There Signal On Screen Display does Not Appear Digital RGB Interface Ddvs Converter AV SWITCH2/STEREO/SOUND AMP Block Diagram TUNER/DIGITAL/POWER Block Diagram Interface Block Diagram MICON2 Block Diagram CMF080A Printed Circuit Boards AV TOP SidePrinted Circuit Boards AV Bottom Side Printed Circuit Boards Scaler TOP Side Printed Circuit Boards Scaler Bottom Side Digital Bottom Side Printed Circuit Boards Digital TOP SideSolder Side CEF185A Printed Circuit Boards POWER/OPERATION Chip Mounted PartsAV SWITCH2 Schematic Diagram PCBD20 AT+5V MuteLevel Shift SWYUV1/2 PSU5VD/DSR/LIGHTCTLAV Jack Schematic Diagram Stereo Schematic Diagram Sound AMP/HEADPHONE AMP Schematic Diagram Power Schematic Diagram AV JACK2 Schematic Diagram Extmute SwspdifCoaxial Jack CON+5V Tuner Schematic Diagram AFT1LOW 3DY/CRESET AFT2HIGH Lcdon ScalerresetStereoreset HDMI/DVI COMPONENT/HDMI KEY-A KEY-B DVS 3DY/CRESETScaler Schematic Diagram ADC1 Schematic Diagram Lvds Schematic Diagram Jack Schematic Diagram AV SWITCH1 Schematic Diagram Regulator Schematic Diagram Interfacehdmi IC Schematic Diagram Hdmi MICON2 Schematic Diagram Asic Schematic Diagram Sdram Schematic Diagram Fclk To Asic Dtvreset From POWER2NFIO7 NFIO6 NFIO5 NFIO4 NFIO3 NFIO2 NFIO1 NFIO0 NfcleFront END Schematic Diagram Tunersda AF3 Twiretxdc FROM/TO Firm UpdateDTV Reset DTV Power AFT DTV Reset DTV ON-H Spdif OutaPOWER2 Schematic Diagram Chassis GND Powerswctl IC508 5VREGULATORPOWERFAIL LCD-H FROM/TO AC InletOPERATION/REMOCON Schematic Diagram Switchvideoc GND Power PCBPower ON-H DtunerresetlWaveforms ADC1 AV OUT Mechanical Exploded View PCBDH0 Mechanical Replacement Parts List Electrical Replacement Parts List SPEC.NO