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Asano LED2295, Service Manual

The Asano LED2295 is a sleek and modern LED television. Stay informed on how to operate and maintain your device by downloading the free Service Manual from manualshive.com. This manual will help you troubleshoot any issues and keep your TV working at its best. Download it now for optimal performance.

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AV1_ AURin0

PC-L

AV1_in

HD_Y

R396

10K

AV1_AULin0

R

2

9

4

1

2K

R

2

9

5

1

2K

VGA-AUL in0

VGA-AURin0

R397

10K

CN09

PJ325

2

3
5

1

4

VGA-AURin0

VGA-AUL in0

PC-R

C

1

7

7

N

C

PC-R

C

1

7

8

N

C

AV3_ AURin2

AV3_in

AV3_AULin2

AVOUT

D

5

1

3

N

C

1

2

C

1

9

2

N

C

C

5

0

4

3

3p

F

AV_AUO UTL 3

AV_LOUT

R535 10R

AV_AUO UTR3

AV_ROUT

R539

10K

R

5

4

0

1

2K

R

5

4

1

7

5R

R

5

2

1

1

0K

R520

47R

R

5

4

2

1

2K

D

5

1

4

N

C

1

2

AV_VOUT

C503 2.2u

R528

75R

R543

33R

R544

10K

AV3_AULin2

AV3_ AURin2

R

5

3

0

7

5R

C502 2.2u

AV3_in

R

5

3

1

3

3K

C500

10uF

AV3_L

C

1

9

3

N

C

R

5

0

0

1

0K

R516

47R

AV input 3

D

5

1

5

N

C

1

2

R

5

2

7

4

7K

Q501

3906

R

5

2

6

3

30

R

Q500

3904

1

2

3

C

1

9

4

N

C

+5V_Normal

R529

75R

AV_AUO UTR3

AV_AUO UTL 3

CVBS_OUT0

CVBS_OUT0

C

5

0

5

2

.2

u

C

5

0

6

0

.1

u

HD_Pb

R524

100K

AV2_in

AV2_ V

R

5

1

4

7

5R

D

5

0

5

N

C

1

2

R532

33R

AV2_in

AV_ROUT

SCART-Bin

AV2_L

AV_VOUT

AV2_ V

AV2_ R

SCART-G

SCART-Rin

AV_LOUT

Blanking I/O

Switch

R

2

3

2

7

5R

R

2

3

1

2

.7

K

D

1

2

7

N

C

1

2

CN15

SCART/NG

2

4

6

8

10

12

14

16

18

20

1

3

5

7

9

11

13

15

17

19

21

2

3

2

2

R230

10K

SCART INPUT

SCART INPUT

SCART INPUT

SCART INPUT

SC_FB

D

1

4

3

N

C

1

2

RGB2-HDTV_SOGIN

RGB2-HDTV_GIN

RGB2-HDTV_RIN

RGB2-HDTV_BIN

D

5

1

2

N

C

1

2

C

1

9

0

N

C

D

5

0

9

N

C

1

2

C

1

8

7

N

C

D

5

1

0

N

C

1

2

C

1

8

8

N

C

AV2_L

AV1_ V

AV1_ R

CN16

3P RCA INPUT

5

5

2

2

3

3

4

4

6

6

1

1

AV1_L

VGA  audio input

AV3_ R

AV3_ V

CN11

5p/2.0

CN-2.0-5P

5

4

3

2

1

CN9

RCA1

2

1

RGB switch

SCART-Rin

AV1_ V

SCART-Bin

AV1_ R

R518

10K

R

5

0

9

7

5R

R512

10K

R

5

0

8

7

5R

D

5

0

4

N

C

1

2

SC_FS

R506

33R

R515

10K

D

5

0

2

N

C

1

2

R505

33R

R

5

1

7

1

2K

R

5

1

9

1

2K

D

5

0

3

N

C

1

2

R

5

1

1

1

2K

R

5

1

0

7

5R

R

5

0

4

7

5R

R

5

1

3

1

2K

R503

33R

D501
NC

1

2

R502

33R

R501

33R

SC_FS

SCART-Gin

R507

10K

RGB2-HDTV_BIN

RGB2-HDTV_SOGIN

RGB2-HDTV_GIN

RGB2-HDTV_RIN

AV2_AULin2

AV2_ AURin2

AV1_AULin0

AV1_ AURin0

AV1_in

SCART-G

R

5

2

2

7

5R

AV2_ R

R

5

2

3

7

5R

D

5

0

6

N

C

1

2

D

5

0

7

N

C

1

2

D

5

0

8

N

C

1

2

R

5

3

3

7

5R

C

1

8

3

N

C

C

1

8

4

N

C

C

1

8

5

N

C

SCART RGB

SPDIF_OUT

SPDIF

CLOSED TO MST6M181CS

R82

330R

R

1

5

8

1

50

R

D

D

31

N

C

Coaxial Output

Coaxial Output

Coaxial Output

Coaxial Output

CN08

RCA1

2

1

SC_FB

SCART-Bin

SCART-Rin

SCART-G

AV2_ R

AV2_L

CN28

6P RCA INPUT

7

7

8

8

4

4

5

5

2

2

1

1

3

3

6

6

9

9

10

10

11

11

12

12

1

3

1

3

1

4

1

4

AV2_ V

AV1_ R

AV1_L

AV1_ V

CN20

NC/5p/2.0

5

4

3

2

1

AV_LOUT

AV_VOUT

CN23

NC/5p/2.0

5

4

3

2

1

AV_ROUT

C

1

8

0

N

C

HD_Y

HD_Pb

CN24

PJ

5

3
2

1

4

67

HD_Pr

C

1

8

1

N

C

AV1_L

C

1

8

2

N

C

C

1

8

6

N

C

C

1

9

1

N

C

+5V_Normal

C507 4.7uF

RGB0_Y- SOG

R606

33R


RGB0_Y- SOG

R607

33R

VGA_VS

VGA-G

VGA_VS

HD_SW

SCART-Gin
SCART-Bin
SCART-Rin
SC_FB

Q29

3904

1

2

3

R49

1K

+5V_Normal

DVD_IR

DVD_ON/OFF

R215 100R

C

1

3

0

.1

u

+3.3V_Normal

HD_SW

C

1

4

1

0

.1

u

CN19

CON4_2.0

1
2
3

Q47

AO3401A

R

2

7

4

7K

U09 NC/CBT3257A

S1A

2

S1B

5

S1C

11

S1D

14

S2A

3

S2B

6

S2C

10

S2D

13

IN

1

DA

4

DB

7

DC

9

DD

12

VCC

16

GND

8

EN

15

+5V_Normal

DVD_IR

R216 4.7K

R43

750K

R206

0

R96

0

+3.3V_Normal

R98

0

R

1

1

62

4

.7

K

5V

R

1

1

66

4

.7

K

R208

0

VGA-Rin
VGA_V

VGA-Bi n

IR

R431

1K

+3.3V_Normal

SCART-Gin

R44

NC

R

SCART-Bin

R605

33R

R47

330

R

SCART-Rin

R608

33R

SCART-Gin

SC_FB

SCART-Rin

SCART-Bin

SC_FB

C

1

4

2

N

C

R

5

3

4

1

00

K

C

1

4

8

N

C

C

1

4

9

N

C

+5V_Normal

C98

4.7uF

AV2-R

D

6

0

1

N

C

1

2

R

6

1

1

7

5R

CN10

VGA

5
10
4
9
3
8
2
7
1

15

14

13

12

11

6

1

6

1

7

AV2-L

R613

68R

R

6

0

9

7

5R

D

6

0

3

N

C

1

2

D

6

0

4

N

C

1

2

R

6

1

0

7

5R

R614

68R

R

6

1

5

1

0K

D

6

0

0

N

C

1

2

D

6

0

2

N

C

1

2

R

6

1

6

1

0K

VGA_HS

UART- RX

UART- TX

UART- RX

VGA-SCL

UART- TX

VGA-SDA

VGA-G

VGA_V

VGA_HS

HD_Pr

VGA-HS
VGA-VS

VGA-Rin

VGA RGB

YPbPr

R

6

1

2

1

00

k

VGA-Gi n

VGA-Bi n

R34

100K

HD_Pb

HD_Pr

HD_Y

CN27

NC/6P/2.0

5

4

3

2

1

6

SPDIF

AV input1

D

5

1

1

N

C

1

2

C

1

8

9

N

C

AV input 2

D

62

8

N

C

1

2

R627

5.1R

D

62

7

N

C

1

2

R625

5.1R

D

62

6

N

C

1

2

D

62

5

N

C

1

2

R628

5.1R

USB2_D-

USB1_D-

R36

R22/0805

+

C

A

1

1

N

C

/1

0

0

u

F

+5V_USB

+5V_USB

CN12

USB_4P

1 VCC

1

2 D-

2

3 D+

3

4 G ND

4

SHIELD

5

SHIELD

6

_in

USB1_D1-_in

Q6
3904

1

2

3

Q49 AO3401A

C

12

0

.1

u

R31

4.7K

R

5

4

7

K

+5V_Normal

+5V_USB

R

13

8

1

0

K

+3.3V_Normal

USB_ON1

R32

750K

USB2_D1-_in

USB_ON1

C

94

1

0

u

F

C

97

1

0

u

F

_in

R629

5.1R

USB1

USB2_D-

USB2

R35

R56/0805

CN13

CN-2.0-4PAA

1
2
3
4

USB2_D1-_in

_in

USB1_D-

USB1_D1-_in
_in

Summary of Contents for LED2295

Page 1: ...LCD LCD LCD TV TV TV TV SERVICE SERVICE SERVICE SERVICE MANUAL MANUAL MANUAL MANUAL CHASSIS AS MST6M182VG LE2 MODEL LED2295 CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MAN...

Page 2: ...CONTENTS Contents 2 Product safety 3 Specification 7 Software upgrade 10 Svc sheet 17...

Page 3: ...fe to operate without damage of electrical shock Leakage Leakage Leakage Leakage Current Current Current Current Cold Cold Cold Cold Check Antenna Check Antenna Check Antenna Check Antenna Cold Cold C...

Page 4: ...Do not test high voltage by drawing an arc 3 Do not spray chemicals on or near this receiver or any of its assemblies 4 Unless specified otherwise in this service manual clean electrical contacts onl...

Page 5: ...d appropriate tip size and shape that will maintain tip temperature within the range or 500 F to 600 F 2 Use an appropriate gauge of RMA resin core solder composed of 60 parts tin 40 parts lead 3 Keep...

Page 6: ...board 4 Securely crimp each connection and solder it 5 Inspect on the circuit board copper side the solder joints of the two original leads If they are not shiny reheat them and if necessary apply add...

Page 7: ...NOTE NOTE Specifications and others are subject to change without notice for improvement 1 Application range This specification is applied to the LED TV used AS MST6M182VG LE2 chassis 2 Requirement f...

Page 8: ...ity 80 dBm 6 6 6 6 Component Component Component Component Video Video Video Video Input Input Input Input Y Y Y Y PB PB PB PB PR PR PR PR No Specification Remark Resolution H freq kHz V freq Hz 1 720...

Page 9: ...0P 4 3 12 720 480 31 47 59 94 27 000 SDTV 480P 16 9 13 720 480 31 50 60 00 27 027 SDTV 480P 16 9 14 720 576 31 25 50 00 27 000 SDTV 576P 15 1280 720 37 50 50 00 74 176 HDTV 720P HDCP 16 1280 720 44 96...

Page 10: ...dity 65 10 Input voltage 220V 60Hz Download 1 Execute ISP program Mstar ISP Utility and then click Config tab 2 Set as below and then click Auto Detect and check OK message If display Error Check conn...

Page 11: ...5 Click Auto tab and set as below 6 Click Run 7 After downloading check OK message...

Page 12: ...m Could you measure voltage of U08 IIC lines Are they all normal You should replace TUNER You should check power line IIC lines You should replace TUNER Check the output of Main IC U08 Especially you...

Page 13: ...Can you see the normal waveform After checking the Power of Main IC U08 Check the output of Main IC IU08 Especially you should check The VIF and IIC lines Can you see the normal waveform After checkin...

Page 14: ...S NO YES Check CN24 Can you see the normal waveform CN24 may have problem Replace this Jack Check U08 and peripheral devices Check U08 and peripheral devices This board has big problem because Main IC...

Page 15: ...ee the normal waveform After checking the Power of RGB switch you should decide to replace RGB Audio switch or not Check the output of RGB switch U09 Can you see the normal waveform After checking the...

Page 16: ...this chip you should decide to replace this or not Check the input of HDMI Switch U10 This signal is TMDS Can you see the normal waveform After checking the trace of TMDS lines and power of HDMI Swit...

Page 17: ...L_ON R2 1K 5V_Normal 12V_NORMAL VBL_CTRL CN4 NC 3 2 5 1 1 3 2 STANDBY C25 4 7uF 300mA 150mA R25 100RADJ OUT IN OUT U04 BM1117 3 3 3 2 1 4 R24 560R C31 0 1uF CA5 470uF 10V C18 0 1uF 5V_Normal R33 47K 3...

Page 18: ...X0N HDMI1 RX2P HDMI1 RX2N HDMI1 RX1P ARC HDMI_HP1 R151 100 BRI_ADJ PWM0 Tuner_PWM AUMCK_OUT AUBCK_OUT AUBCK_OUT AUBCK_I2S_OUT DVDD_NODIE_1 2V AVSS_PGA System RST IR in IRIN AGC TAGC TUNER_SCL XTALO DV...

Page 19: ...xial Output Coaxial Output CN08 RCA1 2 1 SC_FB SCART Bin SCART Rin SCART G AV2_R AV2_L CN28 6P RCA INPUT 7 7 8 8 4 4 5 5 2 2 1 1 3 3 6 6 9 9 10 10 11 11 12 12 13 13 14 14 AV2_V AV1_R AV1_L AV1_V CN20...

Page 20: ...HPD_SINK D641 NC 1 2 C365 0 1u C358 0 1u C360 NC L28 0R C359 180PF 100PF C363 0 1u C367 NC 56PF L31 0R C369 51R C366 51R L32 100nH_10 _Q 15 L26 NC 0805 C364 NC 56PF C357 0 1u VIFM C359 180P FOR 38 9MH...

Page 21: ...00uA LOW_Standby 0 2V Ip 100uA LOW_Standby 0 2V Ip 100uA For HVDD 12V Load 4ohm POWER GND POWER GND POWER GND POWER GND CA90 470uF 1 2 SIGNAL GND SIGNAL GND SIGNAL GND SIGNAL GND CA94 470uF 1 2 CA95 4...

Page 22: ...14 D15 C45 EC21 R129 16 EC20 1 2 3 4 5 6 7 8 IC5 D VD VCC R14 COM COM CS CS R13 R115 R145 1 2 4 3 L1 10 15 12 R194 12VB R130 EC36 EC26 L15 D16 C46 EC24 R131 12VA EC25 14 R195 0 5A R132 EC35 EC34 L16 D...

Page 23: ...163 R162 R172 R166 LED LED1 1 3 2 Q5 1 3 2 Q18 1 3 2 Q14 1 3 2 Q19 1 3 2 Q20 1 3 2 Q21 R182 R181 R180 R184 R191 R183 LED2 LED3 LED4 LED5 LED6 ADJ 1 3 2 Q28 R1 R22 R101 R59 VCC1 EC2 B R167 EN LED1 LED2...

Page 24: ...14 RJ15 1 2 CON6 1 2 CON7 1 2 3 CON8 LED LED R124 R125 R124A R127 R126 LED LED 1 2 3 CON12 1 2 CON11 1 2 CON10 R126A LED LED LED LED LED6 LED5 LED4 LED3 LED2 LED1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1...

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