Sharp XL-3000V service manual SERVO/SIGNAL Control

XL-3000V

A

TO

TERMINAL

PWB-A4

P26 3-B

CNP807

CNS807

CNW807

R883

8.2

2

2

1

1

R884

Q805

KTA1266 GR

11.3V

8.2

10.6V

11.6V

0.57V

R870

0.2V

R867

0V

0V

33K

0.67V

3.3K

11.7V

0V

R868

1

2

3

4

A3

Q804

27K

KTC3199 GR

-

B

PWB

R885

R882

C892

R873

R881

3.3K

6.8K

22K

Q807

47/16

D805

470K

DISPLAY

KTC3200 GR

FROM

0.1V

0.63V

1N4004

FAN

1

R880

LIGHT

0.9V

2

0V

3.3K

DIMMER

C893

P33 12-C,D

3

R888

CD_STB

R837

CNS702

4

10K

47/16

0.7V

AMP_DEC

1K

0V

Q806

5

FAN_DEC

R866

2SC535 C

6

CLID_SW

4.7K

7

CLID_PRO

8

C872

9

CLID_UP

0.1

CLID_DW

10

+B

CNP702

C

TO MAIN PWB-A1(1/2)

R864

D803

A

27K

1N4004

4.9V

GR

0.64V

Q803

KTC3199

B

VIDEOPWB-D

R865

D804

27K

1N4004

0V

D802

1N4004

R813

R887

+B

+B

+B

22K

10

L80

10∝

TO

1

CNS801

G12P27-

DGND

1

R836

/RST

2

1K

R835

3

R834

1K

D

4

1K

R833

5

P35G,H12-

CNP801V

R832

1K

6

1K

R831

7

L801

R830

1K

8

1K

PU_IN

9

LRCK

10

L806

BCK

11

10∝H

12

CNW801 12

C825

R814

3.3K

0.056

C823

R812

C819

15P(CH)

0.01

C887

C824

3.3K

0.1

DATA

0.0027

C826

15P(CH)

0.056

E

16.93MHz

0V C827

C822

/CCE

BUCK

BUS3

BUS2

BUS1

BUS0

X801

220/10

C818

0.1

R820

15

R811

1K

2.1V

2.2K

0V 2.6V

2.2V

5V

5V

0V

0V 0V

0V 0V

5V

0V

0V

0V 0V 5V

0V

5V

0V 0V

5V

0V

2.5V

4.3V

2.2V

0V

2.1V 1.8V

R810

MAINPWBA1(1/2)-

C817 C821 0.1

80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51

3.3K

C810

8

0V 81

XVDD

XVSS

VDD

PXO

FLGA

FVO

TEBC RFGC

50 2.1V

0.001

P2712G-

C830

C828

2.4V

82

XO

/DMOUT

49

2.1V

R809

C811

0.056

100/10

0V 83 DVDD

4

11

FOO 48 2.2V

10K

47/10

2.3V 84 DVR

XI

81

DVSR

PXI

VSS

TESI01

TESIN

/DACT

/CKSE

I03

I02 I01 I00

VSS

VDD

FLGD FLGC

FLGB

SEL

2VREF

DMO

FMO

TEZI

47

2.2V

R808

C809

TO

2.4V 85 LO

82 RO

14

50 VREF

1

TEI

46 2.2V

0V 86 DVSL

49 TRO

TSIN 45 2.1V

C840

C862

5V 87 TEST1

6

SBAD 44 2.1V

F

100/10

0.001

C869

5V

88 TEST2

FEI

43 2.2V

R819

220P

5V 89 TEST3

IC802

7

RFRP

42 2.1V

C807

220

C868

4.3V 90 BUS0

RFZI

41 2.1V

0.033

TC9462F

5

R807

220P

4.3V

91 BUS1

RFCT

40

2.1V

4.3V

SERVO/SIGNAL CONTROL

10K

C867

92 BUS2

AVDD 39 5V

C806

C866

220P

4.3V 93 BUS3

RFI

38 2.1V

0.0047

220P

5V 94 VDD

SLCO 37 2.1V

C805

+B

0V 95 VSS

AVSS 36 0V

0.0027

R855 100K

R853 100K

R852 100K

C836 100/10

4V 96 BUCK

99 /TSMOD

VCOF

35 1.4V

C804

C812 0.01 C813

C865

3.3V

97

/CCE

VCOREV

34

2.1V

0.01

100 /RST

PWB-A4

R854

C835

220P

5V

98 TEST4

P2VREF

PVREV

33

2.1V

C803

100K

0.056

TESIOO

LPFO

2.1V

47/10

5V 99

TESTO

UHSO

EMPH

MBOV

MONIT

HSSW

TMAXS TMAX

/HSO

LRCK

VSS

BCK

AOUT

DOUT

IFP

SBOK

CLCK

VDD

VSS DATA SFSY

SBSY

SPCY

SPDA COFS

VDD

ZDET

PDO

32 LPFN

C864

C837

4.9V

100

31 2.1V

R806

C802

C86

220P

470P

12

470

TERMINAL

1

2

3

4

5

6

7

8

9

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

15K

0.015

G

5V

5V

5V

0V

1.4V

0V

2.5V

0V 2.5V

0V

0V

5V

1.2V

5V

0V 0V 2.4V

0V

0V

0.6V 1.7V

0V

5V

0V

4.3V

2.1V

0V

2.1V

2.1V 2.1V

R804

100K

TO

R851

13

R801

R802

330

P26 3-A

CNP805

10K

47K

3

3

C820

C838

47/10

C801

0.01

C829

100P

2

2

100/10

1

1

+B

CNS805

CNW805

+B

H

• NOTES ON SCHEMATIC DIAGRAM can be found on page 19.

• The numbers 1 to 15 are waveform numbers shown in page 41.

1

2

3

4

5

6

Figure 28 SCHEMATIC DIAGRAM (3/10)

– 28 –