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7-1

System Control Block Diagram

L4101BLS

BLOCK DIAGRAMS

KEY

-IN-1

44

CN31B

KEY

-IN-2

33

RCV30

REMO

TE

SENSOR

CN31A

FUNCTION CB

A

KEY

-IN-1

44

CN51A

KEY

-IN-2

33

IR SENSOR CB

A

CLN53

RCV51

D51

RCV

-IN

33

REMO

TE

SENSOR

IC151

(MICR

O CONPUTER)

93

10

52

89

59

22

KEY

-IN-1

44

CN103B

CN103A

RCV

-IN

11

BA

CKLIGHT

-SW

33

BA

CKLIGHT

-ADJ

22

P-ON-H
66

PR

O

TECT

-1

13

13

PR

O

TECT

-2

14

14

V

OLUME

77

A-MUTE(NU)
88

INPUT

-0

99

INPUT

-1

10

10

S-SW

15

15

SCL

18

18

SD

A

19

19

16

KEY

-IN-1

RCV

-IN

RESET

P-ON-H

PR

O

TECT

-1

PR

O

TECT

-2

V

OLUME

SD

A

SCL

INPUT

-0

INPUT

-1

S-SW

SCL

SD

A

88

24

77

46

27

78

45

28

13

11

X151

10MHz

XIN

XOUT

T

O

 PO

WER SUPPL

Y

BLOCK DIA

GRAM

T

O

 A

UDIO

BLOCK DIA

GRAM

BA

CKLIGHT

-SW

BA

CKLIGHT

-ADJ

P-ON-H

PR

O

TECT

-1

PR

O

TECT

-2

V

OLUME

A-MUTE

INPUT

-0

INPUT

-1

S-SW

SCL

SD

A

MAIN CB

A

LCD MAIN CB

A UNIT

92

KEY

-IN-2

55

KEY

-IN-2

CN51

CN53

RESET

IC153

4

AL+5V

CN102B

CN102A

EEP-SD

A

2

EEP-SCL

1

B

US-OPEN

4

CN105

(NO CONNECTION)

IC152

(MEMOR

Y)

SCL

6

SD

A

5

7

WP

26

B

US-OPEN(NU)

AL+5V

AL+5V

CN105 IS 

USED FOR 

ADJUSTMENT

AT FACTORY

SCLK

3

BU

S

Y

2

RXD

4

CN104

(NO CONNECTION)

EPM(NU)

6

CE(NU)

5

CNVSS

9

RESET

8

TXD

10

D

VP-SOUT

D

VP-CS

D

VP-SIN

MPSEL-0

D

VP-CLK

D

VP-RESET

-PC

QH

FBIN

B

US-OPEN

2

D

VP-RESET

-PC

8

D

VP-CLK-PC

5

CN301

(NO CONNECTION)

D

VP-SOUT

-PC

6

D

VP-SIN-PC

7

D

VP-CS-PC

4

MPSEL-0

3

Q156

3.3V<-->5V

CONVER

TER

Q155

3.3V<-->5V

CONVER

TER

Q152

3.3V<-->5V

CONVER

TER

Q154

3.3V<-->5V

CONVER

TER

Q153

3.3V<-->5V

CONVER

TER

REG+3.3V

2

5

19

2D

VP-SOUT

2D

VP-CS

2D

VP-CLK

4

2D

VP-SIN

3

79

H-SYNK

2D

VP-RESET

30

39

31

44

32

91

90

7

56

29

AFT

-IN

11

11

P-ON-H2

22

22

AFT

-IN

P-ON-H2

PR

O

TECT

-3

PR

O

TECT

-3

16

16

B

US-OPEN(NU)

20

20

23

SLO

W

-SW

19

19

SP-MUTE

20

20

FBIN

25

25

1

SLO

W

-SW

-IN

SP-MUTE

84

INSEL-MUTE

87

RAPID-SW

18

18

RAPID-SW

-IN

20

83

85

25

58

INSEL-MUTE

17

17

P-ON-L(NU)

24

24

RGB-CONTR

OL(NU)

26

26

P-25V

-ON

23

23

NICAM-RESET

22

22

P-ON-L(NU)

RGB-CONTR

OL(NU)

P-25V

-ON

SC-VIDEO-MUTE

NICAM-RESET

S/C-J

ACK-MUTE

16

16

33

34

EEP-SCL

EEP-SD

A

S/C-J

A

CK-MUTE

PR

O

TECT

-3

P-ON-H2

SP-MUTE

INSEL-MUTE

NICAM-RESET

FBIN

RAPID-SW

SLO

W

-SW

S/C-J

A

CK-MUTE

T

O

 IF/VIDEO

BLOCK DIA

GRAM

AFT

-IN

B

U

SY

-FLASH

SCLK-FLASH

RXD-FLASH

CE-FLASH(NU)

EPM-FLASH(NU)

CNVSS

TXD-FLASH

IC301

(LCD DRIVE / 

 SIGNAL PR

OCESS)

58

50

60

57

59

83

89

7

RCV

-IN

77

KEY SWITCH

KEY SWITCH

KEY SWITCH

KEY SWITCH

P-25V

-ON

5

D30

ST

AND BY

AL+5V

INVER

TER CB

A

CN1401

BA

CKLIGHT

-SW

10

10

BA

CKLIGHT

-ADJ

11

11

CN405

PR

O

TECT

-1

12

12

P-ON-H

13

13

T

O

 LCD BA

CKLIGHT

BLOCK DIA

GRAM (B)

B

A

FUNCTION CB

A

BA

CKLIGHT

-ADJ

BA

CKLIGHT

-SW

PR

O

TECT

-1

T

O

 LCD BA

CKLIGHT 

BLOCK DIA

GRAM (A)

BA

CKLIGHT

-SW

BA

CKLIGHT

-ADJ

PR

O

TECT

-1

P-ON-H

A

Comparison Char

t of 

Models & Marks

Model

Mark

LCD-B1504

LCD-B2004

A

B

ST

AND BY

Summary of Contents for LCD-B1504

Page 1: ...ISION LCD B1504 LCD B2004 The LCD panel is manufactured to provide many years of useful life Occasionally a few non active pixels may appear as a tiny spec of color This is not to be considered a defe...

Page 2: ...iring Diagram Fig D3 T402 CN101A CN102A CN31A CN31B CN801 CN802 To Speaker To LCD Module Assembly To LCD Module Assembly Function CBA Main CBA LCD Main CBA To Speaker CN103A CN101B CN320A CN321A CN102...

Page 3: ...CN53 CN405 CN1401 CN51 CN51A CN801 CN802 To Speaker To LCD Module Assembly Function CBA IR Sensor CBA Inverter CBA Main CBA LCD Main CBA To Speaker CN103A CN101B CN310A CN311A CN313A CN102B CN103B T14...

Page 4: ...ion 1 Turn the power on Use main power on the TV unit 2 To enter the service mode press STANDBY 2 7 1 and MUTE buttons on the remote control unit in that order within 5 seconds To cancel the service m...

Page 5: ...Set the each initial data as shown on table 1 below Table 1 Initial Data ITEM BUTTON on the remote control DATA VALUE LCD B1504 LCD B2004 BRT PAL MENU 1 130 134 CNT PAL 174 174 CLR R PAL 78 74 CLR B...

Page 6: ...54 C CLR B NTSC 156 154 C TNT NTSC 148 148 C SHR NTSC 143 143 BRIGHT 0 0 0 NORMAL 0 40 65 DARK 0 95 98 COR C D S 1 VOL p 1 131 131 COG C D S 1 VOL p 2 131 131 COB C D S 1 VOL p 3 131 131 DR C D S 1 VO...

Page 7: ...5 CN301 NO CONNECTION DVP SOUT PC 6 DVP SIN PC 7 DVP CS PC 4 MPSEL 0 3 Q156 3 3V 5V CONVERTER Q155 3 3V 5V CONVERTER Q152 3 3V 5V CONVERTER Q154 3 3V 5V CONVERTER Q153 3 3V 5V CONVERTER REG 3 3V 2 5 1...

Page 8: ...OCK DIAGRAM A B CN103B IC781 INPUT SELECT Q754 Q702 Q701 SW CONTROL 10 9 11 INPUT 0 INPUT 1 TO SYSTEM CONTROL BLOCK DIAGRAM Q872 Q871 Q753 Q752 Q751 TUNER UNIT BUFFER BUFFER BUFFER BUFFER BUFFER BUFFE...

Page 9: ...LUME 11 AMP AMP MUTE STANDBY CONTROL 6 1 R CH L CH 2 5 RF JK801 HEADPHONE JACK CN801 SP R 1 GND 2 SP802 SPEAKER L CH CN802 SP L 1 GND 2 TO IF VIDEO BLOCK DIAGRAM 13 2 WF1 CLN802 CLN801 SP801 SPEAKER R...

Page 10: ...OR 0 35 OR 1 34 OR 2 33 OG 3 25 OG 4 24 OG 5 23 OR 0 28 OG 1 27 OG 2 26 OB 3 18 OB 4 17 OB 5 16 OB 0 21 OB 1 20 OB 2 19 ER 3 5 ER 4 4 ER 5 3 ER 0 8 ER 1 7 ER 2 6 EG 3 47 EG 4 46 EG 5 45 EG 0 50 EG 1 4...

Page 11: ...158 155 154 153 152 151 150 146 145 LCD MODULE TP322 TP323 TP318 TP319 TP320 TP321 143 142 141 140 139 135 134 133 132 131 130 129 128 127 123 122 121 120 119 116 115 114 113 106 TP316 TP317 TP312 TP...

Page 12: ...L 5 3 2 Q511 Q502 Q501 REG 5V AL 3 3V AL 8V PROTECT 1 12V AL 33V P ON H Q506 Q633 PROTECT 2 IC631 5V REG 10 13 IC504 3 3V REG IC601 ERROR VOLTAGE DET Q507 Q512 VR649 TP401 B Q510 4 1 2 7 5 6 PROTECT 3...

Page 13: ...ITCHING Q425 Q426 SWITCHING Q421 Q422 OVER CURRENT PROTECTOR Q462 PWM CONTOROL Q468 BACKLIGHT ADJ OVER VOLTAGE PROTECTOR Q464 Q461 Q460 12V SWITCHING Q466 BACKLIGHT SW SWITCHING BACKLIGHT ON Q469 PROT...

Page 14: ...M2 PWM1 STANDBY PROTECT MODE SW 4 5 7 OVER VOLTAGE PROTECTOR Q1410 1411 OVER VOLTAGE PROTECTOR Q1412 1413 T1402 CN1403 OVER VOLTAGE PROTECTOR Q1414 1415 1 2 T1403 CN1404 OVER VOLTAGE PROTECTOR Q1416 1...

Page 15: ...L4101SCM1 8 3 Main 1 4 IR Sensor Schematic Diagram Comparison Chart of Models and Marks MODEL MARK LCD B1504 A LCD B2004 B...

Page 16: ...L4101SCM2 Main 2 4 Schematic Diagram 8 4...

Page 17: ...L4101SCM3 Main 3 4 Schematic Diagram 8 5 Comparison Chart of Models and Marks MODEL MARK LCD B1504 A LCD B2004 B...

Page 18: ...ly circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail CAUTION For continued protection against f...

Page 19: ...L4101SCF Function Schematic Diagram A 8 7 Comparison Chart of Models and Marks MODEL MARK LCD B1504 A LCD B2004 B...

Page 20: ...8 8 Function Schematic Diagram B L4201SCF Comparison Chart of Models and Marks MODEL MARK LCD B1504 A LCD B2004 B...

Page 21: ...L4201SCINV Inverter Schematic Diagram B 8 9 Comparison Chart of Models and Marks MODEL MARK LCD B1504 A LCD B2004 B...

Page 22: ...L4101SCL1 LCD Main 1 2 Schematic Diagram 8 10 Comparison Chart of Models and Marks MODEL MARK LCD B1504 A LCD B2004 B...

Page 23: ...L4101SCL2 LCD Main 2 2 Schematic Diagram 8 11 1 NOTE CN104 CN105 CN301 are used for adjustment at factory Comparison Chart of Models and Marks MODEL MARK LCD B1504 A LCD B2004 B...

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