HP LC3260N manual AT+5V Mute, Level Shift, SWYUV1/2 PSU5VD/DSR/LIGHTCTL, PCBD20

Page 38

8

7

6

5

4

3

2

1

A

B

FROM/TO AV JACK

SW_YUV1/2

FROM/TO AV SWITCH2

REMOCON_IN

STANDBY_LED

SW_YUV_Y

SW_YUV_PB

SW_YUV_PR

FROM/TO AV JACK2

SW_SPDIF

EXT_MUTE

FROM/TO TUNER

DTUNER_SPDIF

AFT

AFT_1

AFT_2

FROM/TO SOUND AMP/HEADPHONE AMP

AUDIO_MUTE

POWER_ON-H

FROM/TO POWER

PSU_ACD/P.FAIL

PSU_5VD/DSR/LIGHT_CTL

VS_ON/LCDON

RLY_ON/LCD-H

POWER_ON-H

STANDBY_LED

AT+5V

GND

NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE

A

B

C

D

E

TUNER/OUT JACK SCHEMATIC DIAGRAM

(AV PCB)

DTUNER_SPDIF

W834

SW_SPDIF

NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED

WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST

WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.

C

D

E

F

G

H

8

EXT_MUTE

AT+5V

7

MUTE

FROM/TO SCALER

Q4402

CP4204 (CP802)

RT1P141C

STANDBY_LED

0

STANDBY LED

30

REMOCON_IN

4.9

R4420

4.7K

REMOCON IN

29

4.9

AFT

AFT

28

W876

LEVEL SHIFT

NC

27

Q4403

NC

26

4.9

KRC102SRTK

AUDIO_MUTE

AUDIO_MUTE

25

0

EXT_MUTE-H

24

GND

23

0

SW_YUV_PB

6

SCART1_B

22

GND

21

SW_YUV_Y

SCART1_G

20

GND

19

SW_YUV_PR

SCART1_R

18

GND

17

AFT_2

AFT_2/DTV-CVBS

16

GND

15

NC

SCART1_Y

14

NC

13

PSU_ACD/P.FAIL

NC

12

POWER_FAIL

11

POWER_ON-H

5

POWER_ON-H

10

AFT_1

AFT_1

9

VS_ON/LCDON

LCDON

8

RLY_ON/LCD-H

NC

DVB_FAN_ON-H

7

LCD-H/PDP_RLY

6

NC

S_DET

5

SW_YUV1/2

NC

4

SW_YUV1/2

3

PSU_5VD/DSR/LIGHT_CTL

NC

2

LIGHT CTL/PSU_5VD1

00_6232_030_006_800+

4

3

2

PCBD20

CMF080

CAUTION: DIGITAL TRANSISTOR

CAUTION: DIGITAL TRANSISTOR

1

F

G

H

H-3

H-4

Image 38

Contents Model HOW to Order Parts Servicing Notices on CheckingAbout Lead Free Solder PbF Contents General Specifications SystemA3-2 A3-3 A3-4 A3-5 Disassembly Instructions Removal and Installation of Flat Package ICInstallation Service Mode List Set Set Key Remocon Standard Operations Condition TimeWhen Replacing Eeprom Memory IC Confirmation of Initial DataRE-WRITE for Digital Soft Firmware Electrical Adjustments Adjustment ProcedureConfirmation 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 Printed Circuit Boards AV TOP Side CMF080APrinted Circuit Boards AV Bottom Side Printed Circuit Boards Scaler TOP Side Printed Circuit Boards Scaler Bottom Side Printed Circuit Boards Digital TOP Side Digital Bottom SideSolder Side Printed Circuit Boards POWER/OPERATION Chip Mounted Parts CEF185AAV SWITCH2 Schematic Diagram SWYUV1/2 PSU5VD/DSR/LIGHTCTL AT+5V MuteLevel Shift PCBD20AV Jack Schematic Diagram Stereo Schematic Diagram Sound AMP/HEADPHONE AMP Schematic Diagram Power Schematic Diagram Coaxial Jack CON+5V AV JACK2 Schematic DiagramExtmute Swspdif Tuner Schematic Diagram DVS 3DY/CRESET ScalerresetStereoreset HDMI/DVI COMPONENT/HDMI KEY-A KEY-B AFT1LOW 3DY/CRESET AFT2HIGH LcdonScaler 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 Nfcle To Asic Dtvreset From POWER2NFIO7 NFIO6 NFIO5 NFIO4 NFIO3 NFIO2 NFIO1 NFIO0 FclkFront END Schematic Diagram AFT DTV Reset DTV ON-H Spdif Outa FROM/TO Firm UpdateDTV Reset DTV Power Tunersda AF3 TwiretxdcPOWER2 Schematic Diagram FROM/TO AC Inlet PowerswctlIC508 5VREGULATORPOWERFAIL LCD-H Chassis GNDOPERATION/REMOCON Schematic Diagram Dtunerresetl GND Power PCBPower ON-H SwitchvideocWaveforms ADC1 AV OUT Mechanical Exploded View PCBDH0 Mechanical Replacement Parts List Electrical Replacement Parts List SPEC.NO

LC3260N specifications

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