background image

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

D

D

C

C

B

B

A

A

SPI_DI

SPI_CZ

SPI_DO1

SPI_CK

HWRESET

AUVRADP

AUOutR_Amp

AUOutL_Amp

AUVREF

RXACKP

120

RXACKN

119

TAGC

37

RXA0N

121

RXA0P

122

RXA1N

124

RXA1P

125

HPLUGA

126

DDCDB_DA

112

DDCDB_CK

111

GIN1M

5

BIN1

2

SOGIN1

3

GIN1

4

RIN1

6

BIN0

9

GIN0M

10

HSYNC0

8

VSYNC0

14

CVBS2P

17

CVBS1P

18

CVBS0P

19

VR27

35

GND

1

GND

22

GND

29

VDDP_

2

11

0

SCK

75

ALE

65

SDI

73

SCZ

74

SDO

72

SAR1

108

PWM0

62

PWM1

61

AD[0]

71

DDCA_DA

104

VDDP

90

VD

D

C

78

VDDP

64

LVA3P

92

LVA3M

91

LVACKP

94

LVACKM

93

LVA2P

96

LVA2M

95

LVA1P

98

LVA1M

97

LVA0P

100

LVA0M

99

INT

105

LVB3P

81

LVB3M

80

LVBCKP

83

LVBCKM

82

LVB2P

85

LVB2M

84

LVB1P

87

LVB1M

86

LVB0P

89

LVB0M

88

VDDP

57

RDZ

66

HWRE

SE

T

11

3

XOU

T

24

XI

N

25

AV

D

D

_

M

PL

L

23

VIFP

30

RXA2P

128

RXA2N

127

PWM2

60

GIN0

11

SOGIN0

12

CVBSOUT

21

AVD

D

_

A

U

38

VIFM

31

AUVRM

46

AUVRP

47

AUVREF

48

LINE_IN_2L

39

LINE_IN_2R

40

LINE_IN_3L

41

LINE_IN_3R

42

LINE_OUT_0L

52

LINE_OUT_0R

53

DAC_OUT_0L

50

DAC_OUT_0R

51

DDCA_CK

103

SAR0

109

IRIN

106

WRZ

67

AD[3]

68

GPIOD[1]

76

GPIOD[0]

77

AV

D

D

_

V

IF

27

AV

D

D

_

V

IF

36

GND

55

AD[1]

70

AD[2]

69

CEC

114

WAKEUP

115

RIN0

13

GND

34

AVDD_

ADC

7

LINE_IN_4R

44

LINE_IN_4L

43

VDDP

10

2

VDDP

56

GND

49

VCOM0

20

AV

D

D

_

V

IF

28

SIFM

32

SIFP

33

AUCOM

45

GND

63

GND

79

VDDP

11

6

GND

117

VD

D

C

11

8

PWM3

59

SAR2

107

CVBS3P

16

AVDD_

ADC

15

GND

26

VD

D

C

54

GND

58

GND

101

AV

D

D_

D

VI

12

3

U14

TSUMV26KE-LF

AVDDA

VDDP

VDDC_1.26V

AVDD_AU

AVDD_VIF

AVDD_MPLL

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

CN17

2*15PIN-2.0-D-H-M

1

3

5

7

8
6
4
2

RP1

4*22ohm-0603-±5%-1/16W

1

3

5

7

8
6
4
2

RP2

4*22ohm-0603-±5%-1/16W

1

3

5

7

8
6
4
2

RP3

4*22ohm-0603-±5%-1/16W

1

3

5

7

8
6
4
2

RP4

4*22ohm-0603-±5%-1/16W

TXODD0N
TXODD0P
TXODD1N
TXODD1P
TXODD2N

TXODDCLKN
TXODDCLKP
TXODD3N
TXODD3P
TXEVEN0N
TXEVEN0P

TXEVEN1N
TXEVEN1P

TXODD2P

TXO2-

TXO3+

TXO3-

TXO2+

TXO0-

TXO1+

TXO1-

TXO0+

TXOC+

TXOC-

TXE1+

TXE1-

TXE0-
TXE0+

GND

VCC-Panel

GND

GND

VCC-Panel

VCC-Panel
GND

GND
GND

GND

TXODD0N

TXODD0P

TXODD1N

TXODD1P

TXODD2N

TXODD2P

TXODDCLKN

TXODDCLKP

TXODD3N

TXODD3P

TXEVEN0N

TXEVEN0P

TXEVEN1N

TXEVEN1P

TXEVEN2N

TXEVEN2P

TXEVENCLKN

TXEVENCLKP

TXEVEN3N

TXEVEN3P

1

3

5

7

8
6
4
2

RP5

4*22ohm-0603-±5%-1/16W

TXEVEN2N
TXEVEN2P
TXEVENCLKN
TXEVENCLKP

TXE2-
TXE2+
TXEC-
TXEC+

TXEVEN3N
TXEVEN3P

TXE3+

TXE3-

Y1

14.318MHz-±30PPM-20PF-HC-49S

R182

1Mohm-0402-±5%-1/16W

C231

27pF-0402-NPO-±5%-50V

C230

27pF-0402-NPO-±5%-50V

R180

470ohm-0402-±5%-1/16W

R181

100Kohm-0402-±5%-1/16W

Q17

SGM810-SXN3L /// NC/STL8110GCH300

+3.3V_STB

C229

0.1uF-0402-Y5V-+80%-20%-25V

HPD_CON

SDA_HDMI

SCL_HDMI

C247

0.1uF-0402-Y5V-+80%-20%-25V

R198

0ohm-0402-±5%-1/16W

C249

10uF-0805-X5R-±10%-6.3V

C250

0.1uF-0402-Y5V-+80%-20%-25V

C253

1uF-0603-Y5V-+80%-20%-10V

C252

4.7uF-0603-X5R-±10%-10V

PC_ALI
PC_ARI

R184

68ohm-0402-±5%-1/16W

C237

0.047uF-0402-X7R-±10%-16V

R183

68ohm-0402-±5%-1/16W

C236

0.047uF-0402-X7R-±10%-16V

R189

68ohm-0402-±5%-1/16W

C238

0.047uF-0402-X7R-±10%-16V

C246

0.1uF-0402-Y5V-+80%-20%-25V

AGC

SIF2
SIF1

VIF1
VIF2

YPbPr_SOG
YPbPr_Y_IN

YPbPr_Pb_IN

YPbPr_Pr_IN

SC
SY

Front Panel

REMOTE

GND

+5V_STB

IR

R203

100ohm-0402-±5%-1/16W

R202

510ohm-0402-±5%-1/16W

LED_G'

L29

MGGB1005M301HT-LF

R204

4K7ohm-0402-±5%-1/16W

+3.3V_STB

L27

MGGB1005M301HT-LF

KP_KEYA

R205

75ohm-0402-±5%-1/16W

R212

3K3ohm-0402-±5%-1/16W

R216

5K6ohm-0402-±5%-1/16W

R219

3K3ohm-0402-±5%-1/16W

R221

75ohm-0402-±5%-1/16W

R210

1K5ohm-0402-±5%-1/16W

K0
K1
K2
K3
K4
K5
K6
K7

R217

1K5ohm-0402-±5%-1/16W

R222

5K6ohm-0402-±5%-1/16W

KP_KEYB

14

13

12

11

10

9

8

7

6

5

4

3

2

1

CN19

14PIN-2.0-D-H-G

C257

NC/22pF-0402-NPO-±5%-50V

IR

R211

10Kohm-0402-±1%-1/16W

R209

10Kohm-0402-±1%-1/16W

C259

0.01uF-0402-X7R-±10%-50V

D44

NC/ICVL0518030FR

L30

MGGB1005M301HT-LF

C258

0.01uF-0402-X7R-±10%-50V

D45

NC/ICVL0518030FR

L32

MGGB1005M301HT-LF

C256

0.1uF-0402-Y5V-+80%-20%-25V

LED_GREEN

KP_KEYA

KP_KEYB

REMOTE

R188

100ohm-0402-±5%-1/16W

R187

100ohm-0402-±5%-1/16W

1
2
3
4

CN18

4PIN-2.0-D-H-

蓝色

-G

GND

+5V_SW

R185

4K7ohm-0402-±5%-1/16W

R186

4K7ohm-0402-±5%-1/16W

RXD
TXD

RXD
TXD

LED_R

LED_GREEN

+3.3V_SW

CE#

1

SO

2

WP#

3

VSS

4

SI

5

SCK

6

HOLD#

7

VDD

8

U17

W25X80AVSSIG

GND

SCK'

SI

SO

CE

GND

GND

L33

GZ1608D121T(F)

C261

22pF-0402-NPO-±5%-50V

C260

0.1uF-0402-Y5V-+80%-20%-25V

R230

4K7ohm-0402-±5%-1/16W

R231

33ohm-0402-±5%-1/16W

A0

1

A1

2

A2

3

GND

4

SDA

5

SCL

6

PAGE

7

VCC

8

U20

IS24C32A-2GLI

C263

22pF-0402-NPO-±5%-50V

C262

22pF-0402-NPO-±5%-50V

GND

GND

+5V_SW

R228

4K7ohm-0402-±5%-1/16W

R229

4K7ohm-0402-±5%-1/16W

OP2

BL_ON
Panel_ON

BL_ADJ

STB_ON

L31

MGGB1005M301HT-LF

SI
SO

CE

SPI_CK

CVBS

RXD/
TXD/

R124

1Kohm-0402-±5%-1/16W

Q30

PMBT3904

R193

10Kohm-0402-±5%-1/16W

LED_GREEN

DVD/DAT

VDDP_PM

+5V_STB

MUX_R

MUX_L

AMP_MUTE

1
3
5
7

8

6

4

2

RP22

4*33ohm-0402-±5%-1/16W

R131

4K7ohm-0402-±5%-1/16W

+3.3V_STB

R339

NC/4K7ohm-0402-±5%-1/16W

+3.3V_SW

M_SCL

M_SDA

M_SCL

M_SDA

RX2-'

RXC+'

RX1+'

RX1-'

RX2+'

RXC-'

RX0+'

RX0-'

C33

1uF-0603-Y5V-+80%-20%-10V

1
2

CN25

NC/2PIN-2.0-D-H-M

  

M_SCL
M_SDA

个别

Panel

需要

I2C

时:

焊接

CN25

145mA

255mA

56mA

15mA

380mA

7mA

1mA

兼容

4M FLASH

R56

100ohm-0402-±5%-1/16W

R55

100ohm-0402-±5%-1/16W

AU_SW1

DVD_ON

CE#

1

SO

2

WP#

3

VSS

4

SI

5

SCK

6

HOLD#

7

VDD

8

U3

NC/W25X40AVSNIG

Y_SOG

Y_IN

B_IN

R_IN
PC_VSIN/FB

PC_HSIN

SCART_ROUT

SCART_LOUT

CVBS_OUT

AV_RI

AV_LI

YPbPr_SW

SCART_FS

GND

DVD_IR/SPI

SCART_VI

R63

4K7ohm-0402-±5%-1/16W

+3.3V_SW

YPbPr_SW

R201

0ohm-0402-±5%-1/16W

LED_R'

PWM

R172

4K7ohm-0402-±5%-1/16W

PWM

LED_R

C51

1000pF-0402-X7R-±10%-50V

C50

1000pF-0402-X7R-±10%-50V

C35

1000pF-0402-X7R-±10%-50V

C54

1000pF-0402-X7R-±10%-50V

YPbPr_SW

C7

0.1uF-0402-Y5V-+80%-20%-25V

0.025V
0.430V
0.819V
1.185V
0.430V
0.819V
0.025V
1.185V

CVT 

Confidential

Summary of Contents for EX236E2BCFA

Page 1: ...B Model EX236E2BCFA Caution In this Manual some parts can be changed for improving their performance without notice in the parts list So if you need the latest parts information please refer to PPL Pa...

Page 2: ...rica Specification 5 LT716B 1 South America Specification 12 Product Specification 19 Service Remote Controller 21 Block Diagram 22 LT908X Trouble shooting 23 LT716X Trouble shooting 31 Schematic 40 S...

Page 3: ...s holding PCBs are working as electric circuit grounding make sure to check if any screw is missing when assembling reassembling Do not leave any screws inside the set A LCD Set contains different kin...

Page 4: ...generated in HDMI mode Reconnect HDMI jack DVI signal has no sound Check the output signal of device to be connected to LCD TV If you want to use DVI HDMI cable you should also connect audio cable int...

Page 5: ...on Up To 1920x1080 Video Input TV Tuner Receiving Range 55 25MHz 801 25MHz Input Impedance 75fi Video System PAL NTSC Sound System M N MTS Max storage Channels 181CH PC RGB Format Up to 1920x1080 60Hz...

Page 6: ...standby 0 6W Come Filter 2D Deinterlace 2D Weak signal enhancement YES Noise reduction YES...

Page 7: ...F Connector 75ft HDMI 1 HDMI terminal PC RGB 1 D SUB 15Pin terminal CVBS 1 RCA terminal Component 3 RCA terminals CVBS Audio 2 RCA terminals Component Audio PC RGB Audio 1 Earphone terminal Output Ear...

Page 8: ...F T VST26 7X CN19 Key CN14 NC CN17 LVDS Interface CN15 NC CN24 NC CN3 Inverter CN2 NC CN26 NC CN20 Speaker Coaxial NC DC Power HDMI In PC RGB In PC Audio In CVBS Monitor Output R L Ear phone Coaxial N...

Page 9: ...Supply for Panel 2 VSEL 3 VSEL 4 GND Ground 5 GND 6 GND 7 RXO0 LVDS ODD 0 Signal 8 RXO0 LVDS ODD 0 Signal 9 RXO1 LVDS ODD 1 Signal 10 RXO1 LVDS ODD 1 Signal 11 RXO2 LVDS ODD 2 Signal 12 RXO2 LVDS ODD...

Page 10: ...IR BOARD CONNECTOR NO SYMBOL DESCRIPTION 1 5V 5V DC Power Supply 2 RED Red Indicator 3 GRN Green Indicator 4 IR IR Receiver 5 GND Ground 6 K0 K0 7 K1 K1 8 K2 K2 9 K3 K3 10 K4 K4 11 K5 K5 12 K6 Power O...

Page 11: ...Product Specification Available Input Signal i TV Mode Color Standard NTCS PAL M N Reception Channel Ch 2 13 VHF Ch 14 69 UHF Ch 1 14 125 Cable Sound Transmission System FM Mono 2 Carrier IF Subcarrie...

Page 12: ...24 60Hz O O X VESA Standard 1360 X 768 60Hz O O X 1440 X 900 60Hz O O X 1680X1050 60Hz O O X 720 X 480i 60Hz O X O 720 X 576i 50Hz O X O 720 X 480p 60Hz O X O 750 X 576p 50Hz O X O 1280 X 720p 50Hz O...

Page 13: ...class circuit of L4 L11 is not ground short circuit Change the 5V 12V power boards U4 Dry joint or damage Find the ground short circuit point or change main chip U14 Change damaged circuit component...

Page 14: ...ontact ok Is LCD OK Change the driever lcd wire Y N Change LCD N Y Check output network eg U14 driver lcd Y N Check the circuit of U14 Repair this circuit Display Trouble Display Trouble flower screen...

Page 15: ...screen N Y Q8 AO3401 s G pole voltage 3 3V 0Vor5V 0 Whether U14 has signal output CN17 contact badly Or Q8 damage Check circuit of U14 pins Or U14 I O damage N Y LCD damage or driever lcd wire damage...

Page 16: ...the BLON of CN3 has 5V Is inverter power is normal Check the circuit from BLON pin to U14 or U14 I O damage pin 67 N N Y Y Check and repair power supply Inverter power damage Display Trouble Display...

Page 17: ...pair the U21 power supply Whether Volume MUTE setting is normal Reset the setting U1 s 11th and 6th pin Whether there is signal output Y N Check external speaker N Y Repair D47 or R257 And whether Q28...

Page 18: ...RF equipment Y check the 7th pin of t1 whether it is 5V Repair this pin power net Y N whether the 4th 5th pin of T1 has data of I2C N Y whether the 8th pin of T1 has signal N check the network betwee...

Page 19: ...r Process Whether the 1th 2th pins of SAW1 have signal 1 SAW1 damage 2 The circuit from SAW1 to U14 is not normal 3 U14 damage Check the network between the 2th pin of SAW1 and tuner Y N Function Trou...

Page 20: ...R G B input signal of U14 is normal Reset the DDC settings Y N Check R G B circuit Whether VS HS signal are Ruled and stable Check the circuit of VS HS OSD settings do not match Reset the OSD or input...

Page 21: ...m DDC settings is wrong and reset it 3 U14 damage check the circuit between U14 AV1 and AV2 whether R G B input signal of U14 is normal Y N Function Trouble Function Trouble Function Trouble Function...

Page 22: ...6 Schematics...

Page 23: ...3216D121T F C74 0 1uF 0402 Y5V 80 20 25V C75 0 1uF 0402 Y5V 80 20 25V C76 0 1uF 0402 Y5V 80 20 25V C77 0 1uF 0402 Y5V 80 20 25V C78 0 1uF 0402 Y5V 80 20 25V AVDDA VDDP 310mA YPbPr1080P AVDDA VDDP 310m...

Page 24: ...6W 0Y 1 2Y 2 Y 3 3Y 4 1Y 5 SW 6 VEE 7 A 10 3X 11 0X 12 X 13 1X 14 2X 15 VDD 16 VSS 8 B 9 U8 74HC4052D C105 1uF 0603 Y5V 80 20 10V C106 1uF 0603 Y5V 80 20 10V R76 100Kohm 0402 5 1 16W R65 100Kohm 0402...

Page 25: ...9 NC ULCE0505A015FR D40 NC ULCE0505A015FR D41 NC ULCE0505A015FR R178 33ohm 0402 5 1 16W R179 33ohm 0402 5 1 16W HDMI_SCL HDMI_SDA SDA_HDMI SCL_HDMI HDMI 5V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18...

Page 26: ...3V C250 0 1uF 0402 Y5V 80 20 25V C253 1uF 0603 Y5V 80 20 10V C252 4 7uF 0603 X5R 10 10V PC_ALI PC_ARI R184 68ohm 0402 5 1 16W C237 0 047uF 0402 X7R 10 16V R183 68ohm 0402 5 1 16W C236 0 047uF 0402 X7...

Page 27: ...NC TDQ 6F6 T126CW H 33V R268 4K7ohm 0402 5 1 16W C24 0 1uF 0402 Y5V 80 20 25V C10 0 1uF 0402 Y5V 80 20 25V C9 NC 10uF 0805 Y5V 80 20 10V R166 NC 100Kohm 0402 5 1 16W 5V_IF R165 12Kohm 0402 5 1 16W AG...

Page 28: ...402 5 1 16W R260 1K2ohm 0402 5 1 16W R263 1Kohm 0402 5 1 16W R265 1Kohm 0402 5 1 16W C270 NC 100pF 0402 NPO 5 50V C271 NC 100pF 0402 NPO 5 50V C286 1000pF 0402 X7R 10 50V R318 270Kohm 0402 5 1 16W INV...

Page 29: ...e USB ISP tool to USB port of PC then install driver 1 2 For board upgrade Connect the USB ISP tool and blue CN18 of main board with 4pin cable as below picture 1 3 For CBU upgrade Connect the USB ISP...

Page 30: ...pgrade method generally Please check carefully the connection of TXD and RXD between upgrade board and VGA board 2 Upgrade step 1 Run the ISP_Tool exe on your computer as below picture 2 1 Check the C...

Page 31: ...2 2 Press Read to choose burning file as below picture 2 3 Open the burning file bin...

Page 32: ...ill be as below Press OK continue 2 4 2 If connect fail picture will be as below Press OK check 2 4 2 1Check tool connect and driver install of USB ISP tool first 2 4 2 2Check the power connect and po...

Page 33: ...2 4 3 1Burning Please wait 2 4 3 2Burn finished Pease power off then power on 2 If burn fail please retry again from 2 4 step...

Page 34: ...004 40SA240036 FOAM 1 SE V26XB FOAM 1 M005 40SA240037 FOAM 2 SE V26XB FOAM 2 M006 40SA240038 FOAM 3 SE V26XB FOAM 3 ZZ140 PTCACAG716 CABINET AS EX236E2BCFA ADT1 40SA240007 ADAPTER AC SE V26XB 2PIN 12V...

Page 35: ...LF TAPPING SE V26XB ST3X6F M003 40SA240010 SCREW SELF TAPPING SE V26XB ST3X6F M004 40SA240012 SCREW SELF TAPPING SE V26XB ST2 5X8 M005 40SA240010 SCREW SELF TAPPING SE V26XB ST3X6F M006 40SA240010 SCR...

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