HP LC3260N manual POWER2 Schematic Diagram

Page 59

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POWER2 SCHEMATIC DIAGRAM

(DIGITAL PCB)

R3410

1.2K

+-1%

R3412 R3411

12K +-1% 5.6K

+-1%

1.2

5 4 3 2 1

12 13 14 15 16

1.3

C3411

0.22 B

D3407

RB520S-30-TE61

0.8

10.3

3.3

0.1

C3409

15P CH

R3413

15K

0

DC/DC CTL

5.4

3.3

0

IC3401

2.9

AL1042

5.1

6

11

0

5.2

B

7

10

R3429

3.3

5.2

W808

0.001 C3410

8

9

C3408

1 B

100

C3412

10 B

C3413

10 B

R3430

100

TO ASIC

R3414

5.6

L3401

R3427

B3402

CORE_1.2V

CORE_1.2V

0.047

BLM31PG391SN1L

4.7uH

+1.8V

5

5 1.3 1.3

ELLCTV4R7N

1/4W

+3.3V

6.3V 470 CV-EX

RSX301L-30 BLM18PG330SN1D

R3406

4.7K

C3407

5

6

7

8

R3428

D_GND

D2

D2

D1

D1

B3401

0.047

4.5

1/4W

TO FLASH

0

R3405

0

SW

0

G2

S2

G1

S1

+3.3V

2.9

Q3404

D_GND

10K

SW

KRC103SRTK

4

3

2

1

0

2.7 1.3 3.5

0

R3401

3.3K

Q3403

DUALFET

SP8K3Q3405

D3408

C3415

150CD2V

C3416

TZV6.3V100

KTC3875S_Y_RTK

TO FRONT END

+3.3V

+1.8V

D_GND

5.2

5.2

+5V

POWER_SW

REG+3.3V

EC11FS2-TE12L EC11FS2-TE12L

5.3

Q3407

REG+1.8V

REG+2.6V

D3404 D3403

KRA101SRTK

IC3402

BA00BC0WFP

D3406D3402

EC31QS04 EC31QS04

IC3403

BD7820FP

IC3404

BA7810HFP

DH

DH

R3432

220

V_C

V_IN

GND

V_OUT V_ADJ

R3433

5.6K

V_C

V_IN

GND

V_OUT V_ADJ

R3434

1.8K

EN

Vin

GND

Vout

Vadj

1

2

6

4

5

1

2

6

4

5

1

2

6

4

5

3

3.18

4

0

3.3

1.26

3.18

3.25

0

1.8

1.25

3.18

4

0

2.6

1.27

D3405

EC31QS04

TO AV OUT

+3.3V

+3.3V

FROM/TO AV OUT

1K +-1% R3420 R3419

6.3V 100 SJV

+1.8V

+1.8V

R3418

R3421

1K +-1%

16V47 SJV

6.3V 220 SJV

C3432

+2.6V

+2.6V

UNREG+5V

0.1 B

C3423

C3424

C3425

1 B

C3426

0.1 B

R3424

1K +-1%

D_GND

C3421

6.3V 330 TZV

UNREG+4V_M

0.1 B

6.3V 100 SJV

560 +-1% 39

10 680 +-1%

C3428

C3429

0.1 B

C3430

C3431 0.1 B

C3434

0.1 B

UNREG+4V

POWER_SW

C3418

C3420

R3422 R3423

R3426 R3425

820 +-1% 120

6.3V 220 SJV

Q3406

C3435

AT+5V

KRC103SRTK

5.3

0.1 B

1 B

DTV_ON-H

3.1

C3419

TO SDRAM

0

D_GND

D_GND

+3.3V

+3.3V

+1.8V

+1.8V

+2.6V

+2.6V

PCBDH0

CEF169

NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME		NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED	CAUTION:SINCE THESE PARTS MARKED BY	ARE ATTENTION:LES PIECES REPAREES PAR UN	ETANT	CAUTION: DIGITAL TRANSISTOR	CAUTION: DIGITAL TRANSISTOR
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE		WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST	CRITICAL FOR SAFETY,USE ONES	DANGEREUSES AN POINT DE VUE SECURITE
		WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.	DESCRIBED IN PARTS LIST ONLY	N’UTILISER QUE CELLS DECRITES
				DANS LA NOMENCLATURE DES PIECES
A	B	C	D	E		F	G	H

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Image 59

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 Coaxial Jack CON+5V AV JACK2 Schematic DiagramExtmute Swspdif 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 POWER2 NFIO7 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 PowerswctlIC508 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