LCD2007 vietnam

　 2007 HƯỚNG DẪN TÌM BO HỎNG TV LCD 2007 Phòng bảo hành PANASONIC VIỆT NAM SƠ LƯỢC HỆ THỐNG VỊ TRÍ CÁC BO MẠCH DC-DC converter Bo nguồn KEY Control K Chuyển mạch AV Xử lý âm AP P Inverter H DG (HDMI) HDMI, xử lý hình ảnh số Sơ đồ tín hiệu DG IC4503 HDMI1 HDMI SW HDMI2 Analog Digital IC4200 H TU3200 HQ1L IC3001 IC4207 LVDS TX LVDS LCD Panel TUNER AV1 IC8001 AV2 VIDEO SWITCH AV3 YPBPR Monitor Out Peaks Lite2 IC4510 A/D Converter and HDMI-RX PC IC4001 SUBSCREEN G AV4 SCALING/ IP CONVERTER/ PICTURE CORRECT/ OSD IC1100 STB MCU MẠCH NGUỒN - BO MẠCH P Khi chưa cắm nguồn AC Power SW K H 　 5Vs ALL OFF STB 5V RELAY 5V T801 STB Trans IC801 P11 SOUND_15V 5V P5 Relay Q802 21-22 D801 P10 MAIN 9V 23 24V ALL OFF (SW DET) STB 5V SUB ON (H/ ON, L/ OFF) AP5 1-3 24V 11-12 14 15 Q7212 Q7211 Q7210 Panel 12V KEY SCAN PANEL ON 3.3V 21 23 5-6 1-2 AUDIO SW AP4 H4A TV SOS 1 STB_5V 3 TV MAIN ON TV SUB ON IC2106 STEREO DECODER SUB3.3V MAIN3.3V DG2 8-9 DTV_9V SUB_5V MAIN 9V STB5V 12V 3.3V 21 23 5-6 1-2 H6 DG6 SOS 38 SOUND 38 39 SOS 39 48 MAIN ON 48 SUB ON 49 49 54 KEY 54 55 PANEL ON 55 24V DET 56 56 ALL OFF 77 77 11-12 14 15 16-17 700 series only V V1 STB3.3V SUB5V GS GS8 SUB3.3V Back Lights INV ON INV SOS INVERTER 12V LCD Panel Panel Controller 12V INV ON INV SOS 12V DG52 DG1 12 24V +24V V+ V- SUB5V IC8301 DECODER IC4503 HDMI SW IC4510 MAIN ON DG25 1-4 DG27 A/D IC4200 HQ1L IC4207 STB3.3V LVDS TX IC8001 Peaks Lite2 SUB3.3V Q7206 Q7214 Q7213 Q7205 Q7208 Q7209 DIG TUNER SUB3.3V SUB1.2V SUB1.8V MAIN5V 12-14 12-14 SUB3.3V 17-18 17-18 IC3101 23 700 series only H2 8-9 VIDEO SW Q2636 Q2637 16-17 Audio Amp 17-18 21-22 Q7551 Q7552 Q7553 IC7701 Panel 12V Q7701 Q7702 Q7703 Q7204 IC2302 H3A 2-3 IC2008 IC2010 P9 5-8 24V DET 17-18 DTV_9V SUB_5V SUB_5V IC7601 HQ 3.3V 1-3 SOUND 15V AP3 2-3 IC3001 IC7501 DTV 9V RL802 DTV9V DTV9V Audio Amp IC7401 Line Filter DG IC2301 IC7301 P8 30V TUNER IC2610 AP AP6 15V P 700D 70D only Key K8 EEPROM SDRAM FLASH IC1100 MCU SUB_ON 12 ALL OFF 13 INV_ON 27 MAIN 5V SENSE 29 STB 5V SENSE 30 DTV 9V SENSE 34 SUB 5V SENSE 46 TV MAIN_ON 49 R LED ON 66 MAIN 9V SENSE 67 MAIN 3.3V SENSE 105 PANEL STB ON 114 SOS 115 KEY SCAN 118 SOUND SOS 123 INVERTER SOS Khi cắm nguồn AC Power SW K H 　 5Vs ALL OFF STB 5V RELAY 5V T801 STB Trans IC801 P11 SOUND_15V 5V P5 Relay Q802 21-22 D801 P10 MAIN 9V 23 24V ALL OFF (SW DET) STB 5V SUB ON (H/ ON, L/ OFF) AP5 1-3 24V 11-12 14 15 Q7212 Q7211 Q7210 Panel 12V KEY SCAN PANEL ON 3.3V 21 23 5-6 1-2 AUDIO SW AP4 H4A TV SOS 1 STB_5V 3 TV MAIN ON TV SUB ON IC2106 STEREO DECODER SUB3.3V MAIN3.3V DG2 8-9 DTV_9V SUB_5V MAIN 9V STB5V 12V 3.3V 21 23 5-6 1-2 H6 DG6 SOS 38 SOUND 38 39 SOS 39 48 MAIN ON 48 SUB ON 49 49 54 KEY 54 55 PANEL ON 55 24V DET 56 56 ALL OFF 77 77 11-12 14 15 16-17 700 series only V V1 STB3.3V SUB5V GS GS8 SUB3.3V Back Lights INV ON INV SOS INVERTER 12V LCD Panel Panel Controller 12V INV ON INV SOS 12V DG52 DG1 12 24V +24V V+ V- SUB5V IC8301 DECODER IC4503 HDMI SW IC4510 MAIN ON DG25 1-4 DG27 A/D IC4200 HQ1L IC4207 STB3.3V LVDS TX IC8001 Peaks Lite2 SUB3.3V Q7206 Q7214 Q7213 Q7205 Q7208 Q7209 DIG TUNER SUB3.3V SUB1.2V SUB1.8V MAIN5V 12-14 12-14 SUB3.3V 17-18 17-18 IC3101 23 700 series only H2 8-9 VIDEO SW Q2636 Q2637 16-17 Audio Amp 17-18 21-22 Q7551 Q7552 Q7553 IC7701 Panel 12V Q7701 Q7702 Q7703 Q7204 IC2302 H3A 2-3 IC2008 IC2010 P9 5-8 24V DET 17-18 DTV_9V SUB_5V SUB_5V IC7601 HQ 3.3V 1-3 SOUND 15V AP3 2-3 IC3001 IC7501 DTV 9V RL802 DTV9V DTV9V Audio Amp IC7401 Line Filter DG IC2301 IC7301 P8 30V TUNER IC2610 AP AP6 15V P 700D 70D only Key K8 EEPROM SDRAM FLASH IC1100 MCU SUB_ON 12 ALL OFF 13 INV_ON 27 MAIN 5V SENSE 29 STB 5V SENSE 30 DTV 9V SENSE 34 SUB 5V SENSE 46 TV MAIN_ON 49 R LED ON 66 MAIN 9V SENSE 67 MAIN 3.3V SENSE 105 PANEL STB ON 114 SOS 115 KEY SCAN 118 SOUND SOS 123 INVERTER SOS Bật công-tắc nguồn Power SW K K8 H 　 5Vs ALL OFF STB 5V RELAY 5V T801 STB Trans IC801 P11 SOUND_15V 5V P5 Relay Q802 21-22 D801 P10 MAIN 9V 23 24V ALL OFF (SW DET) STB 5V SUB ON (H/ ON, L/ OFF) AP5 1-3 24V 11-12 14 15 Q7212 Q7211 Q7210 Panel 12V KEY SCAN PANEL ON 3.3V 21 23 5-6 1-2 AUDIO SW AP4 H4A TV SOS 1 STB_5V 3 TV MAIN ON TV SUB ON IC2106 STEREO DECODER SUB3.3V MAIN3.3V DG2 8-9 DTV_9V SUB_5V MAIN 9V STB5V 12V 3.3V 21 23 5-6 1-2 H6 DG6 SOS 38 SOUND 38 39 SOS 39 48 MAIN ON 48 SUB ON 49 49 54 KEY 54 55 PANEL ON 55 24V DET 56 56 ALL OFF 77 77 11-12 14 15 16-17 700 series only V V1 STB3.3V SUB5V GS GS8 SUB3.3V Back Lights INV ON INV SOS INVERTER 12V LCD Panel Panel Controller 12V INV ON INV SOS 12V DG52 DG1 12 24V +24V V+ V- SUB5V IC8301 DECODER IC4503 HDMI SW IC4510 MAIN ON DG25 1-4 DG27 A/D IC4200 HQ1L IC4207 STB3.3V LVDS TX IC8001 Peaks Lite2 SUB3.3V Q7206 Q7214 Q7213 Q7205 Q7208 Q7209 DIG TUNER SUB3.3V SUB1.2V SUB1.8V MAIN5V 12-14 12-14 SUB3.3V 17-18 17-18 IC3101 23 700 series only H2 8-9 VIDEO SW Q2636 Q2637 16-17 Audio Amp 17-18 21-22 Q7551 Q7552 Q7553 IC7701 Panel 12V Q7701 Q7702 Q7703 Q7204 IC2302 H3A 2-3 IC2008 IC2010 P9 5-8 24V DET 17-18 DTV_9V SUB_5V SUB_5V IC7601 HQ 3.3V 1-3 SOUND 15V AP3 2-3 IC3001 IC7501 DTV 9V RL802 DTV9V DTV9V Audio Amp IC7401 Line Filter DG IC2301 IC7301 P8 30V TUNER IC2610 AP AP6 15V P 700D 70D only Key EEPROM SDRAM FLASH IC1100 MCU SUB_ON 12 ALL OFF 13 INV_ON 27 MAIN 5V SENSE 29 STB 5V SENSE 30 DTV 9V SENSE 34 SUB 5V SENSE 46 TV MAIN_ON 49 R LED ON 66 MAIN 9V SENSE 67 MAIN 3.3V SENSE 105 PANEL STB ON 114 SOS 115 KEY SCAN 118 SOUND SOS 123 INVERTER SOS Tín hiệu SUB ON: Đóng rơle nguồn Power SW K K8 H 　 5Vs ALL OFF STB 5V RELAY 5V T801 STB Trans IC801 P11 SOUND_15V 5V P5 Relay Q802 21-22 D801 P10 MAIN 9V 23 24V ALL OFF (SW DET) STB 5V SUB ON (H/ ON, L/ OFF) AP5 1-3 24V 11-12 14 15 Q7212 Q7211 Q7210 Panel 12V KEY SCAN PANEL ON 3.3V 21 23 5-6 1-2 AUDIO SW AP4 H4A TV SOS 1 STB_5V 3 TV MAIN ON TV SUB ON IC2106 STEREO DECODER SUB3.3V MAIN3.3V DG2 8-9 DTV_9V SUB_5V MAIN 9V STB5V 12V 3.3V 21 23 5-6 1-2 H6 DG6 SOS 38 SOUND 38 39 SOS 39 48 MAIN ON 48 SUB ON 49 49 54 KEY 54 55 PANEL ON 55 24V DET 56 56 ALL OFF 77 77 11-12 14 15 16-17 700 series only V V1 STB3.3V SUB5V GS GS8 SUB3.3V Back Lights INV ON INV SOS INVERTER 12V LCD Panel Panel Controller 12V INV ON INV SOS 12V DG52 DG1 12 24V +24V V+ V- SUB5V IC8301 DECODER IC4503 HDMI SW IC4510 MAIN ON DG25 1-4 DG27 A/D IC4200 HQ1L IC4207 STB3.3V LVDS TX IC8001 Peaks Lite2 SUB3.3V Q7206 Q7214 Q7213 Q7205 Q7208 Q7209 DIG TUNER SUB3.3V SUB1.2V SUB1.8V MAIN5V 12-14 12-14 SUB3.3V 17-18 17-18 IC3101 23 700 series only H2 8-9 VIDEO SW Q2636 Q2637 16-17 Audio Amp 17-18 21-22 Q7551 Q7552 Q7553 IC7701 Panel 12V Q7701 Q7702 Q7703 Q7204 IC2302 H3A 2-3 IC2008 IC2010 P9 5-8 24V DET 17-18 DTV_9V SUB_5V SUB_5V IC7601 HQ 3.3V 1-3 SOUND 15V AP3 2-3 IC3001 IC7501 DTV 9V RL802 DTV9V DTV9V Audio Amp IC7401 Line Filter DG IC2301 IC7301 P8 30V TUNER IC2610 AP AP6 15V P 700D 70D only Key EEPROM SDRAM FLASH IC1100 MCU SUB_ON 12 ALL OFF 13 INV_ON 27 MAIN 5V SENSE 29 STB 5V SENSE 30 DTV 9V SENSE 34 SUB 5V SENSE 46 TV MAIN_ON 49 R LED ON 66 MAIN 9V SENSE 67 MAIN 3.3V SENSE 105 PANEL STB ON 114 SOS 115 KEY SCAN 118 SOUND SOS 123 INVERTER SOS Tín hiệu SUB ON (tiếp) Power SW K K8 H 　 5Vs ALL OFF STB 5V RELAY 5V T801 STB Trans IC801 P11 SOUND_15V 5V P5 Relay Q802 21-22 D801 P10 MAIN 9V 23 24V ALL OFF (SW DET) STB 5V SUB ON (H/ ON, L/ OFF) AP5 1-3 24V 11-12 14 15 Q7212 Q7211 Q7210 Panel 12V KEY SCAN PANEL ON 3.3V 21 23 5-6 1-2 AUDIO SW AP4 H4A TV SOS 1 STB_5V 3 TV MAIN ON TV SUB ON IC2106 STEREO DECODER SUB3.3V MAIN3.3V DG2 8-9 DTV_9V SUB_5V MAIN 9V STB5V 12V 3.3V 21 23 5-6 1-2 H6 DG6 SOS 38 SOUND 38 39 SOS 39 48 MAIN ON 48 SUB ON 49 49 54 KEY 54 55 PANEL ON 55 24V DET 56 56 ALL OFF 77 77 11-12 14 15 16-17 700 series only V V1 STB3.3V SUB5V GS GS8 SUB3.3V Back Lights INV ON INV SOS INVERTER 12V LCD Panel Panel Controller 12V INV ON INV SOS 12V 10 DG52 DG1 12 24V +24V V+ V- SUB5V IC8301 DECODER IC4503 HDMI SW IC4510 MAIN ON DG25 1-4 DG27 A/D IC4200 HQ1L IC4207 STB3.3V LVDS TX IC8001 Peaks Lite2 SUB3.3V Q7206 Q7214 Q7213 Q7205 Q7208 Q7209 DIG TUNER SUB3.3V SUB1.2V SUB1.8V MAIN5V 12-14 12-14 SUB3.3V 17-18 17-18 IC3101 23 700 series only H2 8-9 VIDEO SW Q2636 Q2637 16-17 Audio Amp 17-18 21-22 Q7551 Q7552 Q7553 IC7701 Panel 12V Q7701 Q7702 Q7703 Q7204 IC2302 H3A 2-3 IC2008 IC2010 P9 5-8 24V DET 17-18 DTV_9V SUB_5V SUB_5V IC7601 HQ 3.3V 1-3 SOUND 15V AP3 2-3 IC3001 IC7501 DTV 9V RL802 DTV9V DTV9V Audio Amp IC7401 Line Filter DG IC2301 IC7301 P8 30V TUNER IC2610 AP AP6 15V P 700D 70D only Key EEPROM SDRAM FLASH IC1100 MCU SUB_ON 12 ALL OFF 13 INV_ON 27 MAIN 5V SENSE 29 STB 5V SENSE 30 DTV 9V SENSE 34 SUB 5V SENSE 46 TV MAIN_ON 49 R LED ON 66 MAIN 9V SENSE 67 MAIN 3.3V SENSE 105 PANEL STB ON 114 SOS 115 KEY SCAN 118 SOUND SOS 123 INVERTER SOS LED nháy lần Mất nguồn: MAIN_3.3V P T801 STB Trans 5Vs AP DG H IC8001,… 5Vs P11 Line Filter IC7501 Q7551 9V RL802 Relay P5 AP5 1-3 1-3 9 24V AP3 H3A 17-18 17-18 AP4 H4A 8 DTV9V H2 DG2 IC5660 8-9 8-9 3.3V H6 49 DG6 49 Q5691 SUB Q5693 3.3V IC1100 MAIN 3.3V L MCU 67 MAIN3.3V SENSE MAIN_ON L SUB_ON 49 R LED ON Q802 P9 5-8 V LCD Panel D801 P10 24V V+ V- LED(R) INV ON INV SOS 12V 30 V1 DG1 LED nháy lần Mất nguồn: SOUND_15V P T801 STB Trans 5Vs AP H IC2303 12V 5Vs P11 MAIN9V Line Filter IC7301 15V RL802 Relay DG IC2301, IC2302 SOS P5 AP2A 1-3 5-7 9 SOUND15V AP3 H3A 2-3 2-3 L MCU Q2301 H MAIN_ON 24V IC1100 H6 DG6 AP4 H4A 39 39 8 49 49 L 118 SOUND SOS SUB_ON 49 R LED ON Q802 P9 5-8 D801 LCD Panel P10 24V V+ V- V INV ON INV SOS LED(R) 12V 31 V1 DG1 LED nháy 10 lần Lỗi giao tiếp HQ1L (IC4200) với IC khác P H AP T801 STB Trans IC7401 5Vs 5V IC7501 5Vs P11 9V Line Filter IC7601 RL802 Relay P5 AP5 1-3 1-3 9 3.3V SUB5V DG AP3 H3A 21 22 21 22 H2 12 13 14 17 18 17 18 AP4 H4A 16 17 16 17 8 DTV9V HQ3.3V 24V H6 49 DG2 IC4204,IC4208 12 SUB5V 3.3V 13 14 IC4202 SUB9V 1.2V IC4205,IC4206 1.2V HQ3.3V IC4203 DG6 2.5V 49 Q802 P9 5-8 D801 V LCD Panel P10 24V V+ V- LED(R) INV ON INV SOS 12V 32 V1 DG1 IC4200 HQ1L IC8001 L IC1100 MCU SUB_ON 49 R LED ON HƯỚNG DẪN TÌM BO HỎNG 33 LED khơng sáng Trạng thái đèn Khơng sáng Bo hỏng P, DG Board Rơle khơng đóng bật cơng-tắc nguồn Remote Control Kiểm tra điện áp chân 1, jack P11 ? No Kiểm tra dây AC nguồn Yes Cắm nguồn, Kiểm tra STB 5V chân jack P8 ? No P Board Yes T801 STB Trans P P11 1 DG Board P8 AP Power Switch DG H IC1100 STB5V Line Filter RL802 Relay Q802 P5 AP5 P10 AP4 STB5V P9 5-8 D801 MCU STB 3.3V LCD Panel H2 23 H4A V LED(R) 24V V+ V- INV ON INV SOS 12V 34 V1 DG2 23 DG1 29 STB 5V SENSE 49 R LED ON LED nháy lần Tín hiệu lỗi Bo hỏng Inverter SOS LCD PANEL, DG Board, AP Bật nguồn Kiểm tra 12V chân jack DG27 trước LED nháy ? Yes No Bật nguồn Kiểm tra No INV_ON chân jack DG27 trước LED nháy? DG Board Yes AP Board Bật nguồn Kiểm tra ADIM chân jack DG27 trước LED nháy ? No DG Board Yes P T801 STB Trans Bật nguồn Kiểm tra INV_PWM chân jack DG27 trước LED nháy? 5Vs Yes LCD Panel P11 5Vs Line Filter Q802 P5 1-3 24V H AP5 1-3 IC7701 12V P9 5-8 D801 P10 DG Board DG AP RL802 Relay No PANEL12V PANEL ON AP4 11-12 15 H4A 11-12 15 V LCD Panel 24V V+ V- Normal (Low) Abnormal (High) LED(R) INV ON INV SOS INV ON INV SOS 12V H2 5-6 DG2 5-6 H6 55 49 DG6 55 49 V1 DG27 INV 12V CURRENT(ADIM) INV_PWM INVERTER 35 DG1 IC1100 MCU 105 PANEL_ON L SUB_ON 49 R LED ON 13 INV_ON 123 INVERTER SOS IC4200 HQ1L LED nháy lần Tín hiệu lỗi Bo hỏng H, AP, DG Board Mất nguồn: BT 30V, SOUND 15V, PANEL 12V, HQ 3.3V Bật nguồn Kiểm tra 24V chân 5-8 jack P9 trước LED nháy? No LCD Panel Yes Tháo jackt AP3 No Kiểm tra ngắn mạch chân 2,3,17,18 jack AP3 ? Yes Cắm lại jack AP3 No Tháo jack DG2 No Kiểm tra ngắn mạch Kiểm tra ngắn mạch chân 2,3,17,18 chân jack DG2? jack AP3? AP Board P P11 T801 STB Trans AP 5Vs 5Vs AP5 1-3 Line Filter RL802 Relay Q802 P5 1-3 P9 5-8 Yes P10 DG Board H Board IC7401 SUB 5V 5V IC7301 SOUND 15V 15V IC7501 DTV 9V 9V IC7601 HQ3.3V 3.3V IC7701 Panel 12V 12V Back Lights D801 Yes +24V V+ V- INV ON INV SOS INVERTER 12V Cắm lại jack DG2 Tháo jack DG25 Bật nguồn Máy có chạy khơng ? Yes No Tháo jack DG27 Kiểm tra ngắn mạch chân jack DG27? LCD Panel No Yes D7207 D7204 Q7214 Q7213 D7210 LCD Panel Panel Controller DG Board AP3 H3A SOUND H 15V 2-3 2-3 TUNER 17-18 17-18 BT30V Q7206 STB5V Q2637 H2 1-2 5-6 AP4 H4A 1 H6 16-17 16-17 11-12 11-12 38 8 49 V LED(R) V1 12V 36 DG DG2 1-2 5-6 DG6 38 49 DG1 DG25 12V LCD PANEL 1-4 DG27 HQ3.3V Panel 12V IC1100 114 SOS MCU SUB_ON 49 R LED ON LED nháy lần Tín hiệu lỗi Bo hỏng Trường hợp 1: Mất nguồn DTV 9V AP, H, DG Board, LCD Panel Trường hợp 2: Quá áp SOUND 15V, SUB5V, DTV9V, PANEL 12V, HQ 3.3V, 24V Tháo jack AP3 Kiểm tra ngắn Mạch chân 17,18 jack AP3? Tháo jack DG2 No Kiểm tra ngắn mạch chân jack H2 ? 5Vs 5Vs Line Filter Relay Q802 P5 1-3 P9 5-8 AP AP5 1-3 15V 5V 9V 3.3V 15V STB5V IC7301 IC7401 IC7501 IC7601 IC7701 SUB5V DTV 9V P10 AP Board Q7202 Q7204 Q7201 24V V+ V- AP3 17-18 H IC3101 H2 8-9 H3A 17-18 AP4 H4A H6 49 V LED(R) INV ON INV SOS 12V 37 DG IC1100 MCU DG2 8-9 30 DTV9V SENSE HQ3.3V PANEL12V 24V P Board Yes SOUND 15V LCD Panel D801 LCD Panel Kiểm tra 24V chân 1-3 jack P5 DG Board H Board T801 STB Trans RL802 No Yes Yes AP Board P11 Kiểm tra ngắn mạch chân jack DG2 ? >>24V Cắm lại jack No (0V) Yes P No Tháo jack DG2 V1 DG6 49 DG1 L SUB_ON 49 R LED ON LED nháy lần Tín hiệu lỗi Bo hỏng MAIN 9V AP, H, DG Board Tháo jack AP3 Kiểm tra ngắn mạch chân 23 jack AP3 ? No Tháo jack DG2 H Board AP Board T801 STB Trans 5Vs DG Board Yes Yes P No Kiểm tra ngắn mạch chân 21 jack H2 ? AP DG H IC1100 5Vs P11 MCU Line Filter IC7501 Q7551 9V RL802 Relay P5 AP5 1-3 1-3 H3A H2 23 23 21 AP4 H4A H6 DG6 8 49 49 AP3 MAIN 9V 24V DG2 21 L 66 MAIN9V SENSE L SUB_ON Q802 P9 5-8 V LCD Panel D801 P10 LED(R) 24V V+ V- INV ON INV SOS 12V 38 V1 DG1 49 R LED ON LED nháy lần Tín hiệu lỗi Bo hỏng SUB 5V AP, H, DG Board Tháo jack AP3 Kiểm tra ngắn mạch chân 21-22 jack AP3 ? No Tháo jack DG2 Kiểm tra ngắn mạch chân 12 họặc 14 jack DG2 ? DG Board AP Board T801 STB Trans 5Vs H Board Yes Yes P No AP DG H IC2008 IC1100 5Vs P11 MCU Line Filter IC7401 5V RL802 Relay P5 AP5 1-3 1-3 9 SUB5V 24V AP3 DG2 H3A H2 21-22 21-22 12-14 12-14 AP4 AP4 H6 8 49 DG6 49 L 34 SUB5V SENSE L 49 Q802 P9 V 5-8 LED(R) LCD Panel D801 P10 24V V+ V- INV ON INV SOS 12V 39 V1 DG1 SUB_ON R LED ON LED nháy lần Tín hiệu lỗi Bo hỏng MAIN 5V P T801 STB Trans DG Board 5Vs Trường hợp bo DG hỏng AP DG H 5Vs P11 Line Filter IC7401 5V RL802 Relay P5 AP5 1-3 1-3 9 24V IC1100 Q5692 MCU DG2 Q5690 MAIN5V L 5V 27 MAIN5V SENSE 12-14 MAIN_ON AP3 H3A 21-22 21-22 12-14 AP4 H4A H6 DG6 8 49 49 SUB5V H2 Q802 5-8 LCD Panel P10 L 49 P9 D801 IC4513,IC4514… 24V V+ V- V INV ON INV SOS LED(R) 12V 40 V1 DG1 SUB_ON R LED ON LED nháy lần Tín hiệu lỗi Bo hỏng MAIN 3.3V P T801 STB Trans DG Board 5Vs Trường hợp hỏng bo DG AP DG H IC8001,… 5Vs P11 Line Filter IC7501 Q7551 9V RL802 Relay P5 AP5 1-3 1-3 9 24V AP3 H3A 17-18 17-18 AP4 H4A 8 DTV9V H2 DG2 IC5660 8-9 8-9 3.3V H6 49 DG6 49 Q5691 SUB Q5693 3.3V IC1100 MAIN 3.3V L MCU 67 MAIN3.3V SENSE MAIN_ON L SUB_ON 49 R LED ON Q802 P9 5-8 V LCD Panel D801 P10 24V V+ V- LED(R) INV ON INV SOS 12V 41 V1 DG1 LED nháy lần Tín hiệu lỗi Bo hỏng Bật nguồn No Kiểm tra 15V chân jack AP3 trước LED nháy ? H, AP Board SOUND 15V SOS AP Board Yes H Board P T801 STB Trans 5Vs AP H IC2303 12V 5Vs P11 IC7301 15V Relay MAIN9V Line Filter RL802 DG IC2301, IC2302 SOS P5 AP2A 1-3 5-7 9 SOUND15V AP3 H3A 2-3 2-3 L MCU Q2301 H MAIN_ON 24V IC1100 H6 DG6 AP4 H4A 39 39 8 49 49 L 118 SOUND SOS SUB_ON 49 R LED ON Q802 P9 5-8 D801 LCD Panel P10 24V V+ V- V INV ON INV SOS LED(R) 12V 42 V DG1 LED nháy 10 lần Tín hiệu lỗi Bo hỏng Lỗi giao tiếp bo DG Trường hợp hỏng bo DG DG Board Lỗi giao tiếp HQ1L(IC4200) Peakslite2(IC8001) P H AP T801 STB Trans IC7401 5Vs 5V IC7501 5Vs P11 9V Line Filter IC7601 RL802 Relay P5 1-3 AP5 1-3 3.3V SUB5V DG AP3 H3A 21 22 21 22 H2 12 13 14 17 18 17 18 AP4 H4A 16 17 16 17 8 DTV9V HQ3.3V 24V H6 49 DG2 IC4204,IC4208 12 SUB5V 3.3V 13 14 IC4202 SUB9V 1.2V IC4205,IC4206 1.2V HQ3.3V IC4203 DG6 2.5V 49 Q802 P9 5-8 D801 V LCD Panel P10 24V V+ V- LED(R) INV ON INV SOS 12V 43 V1 DG1 IC4200 HQ1L IC8001 Peakslite2 L IC1100 MCU SUB_ON 49 R LED ON CẢM ƠN CÁC BẠN ! 44