Asano LED2295 Service Manual Download Page 2

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CONTENTS

Contents

.............................................................................................. 2

Product safety

..................................................................................3

Specification

........................................................................................7

Software upgrade........................................................................................10

Svc.sheet

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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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