Haier L19A11W Service Manual Download | Manualshive

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4.Images of Power supply

5.Images of Inverter

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Summary of Contents for L19A11W

Page 1: ...L19A11W ...

Page 2: ...1 Features 2 Safety Precautions 3 Images of Module and Circuit Boards 4 Key IC Description Trouble Shooting Guide 5 Signal Flowing Chart 6 Bus Control Adjustment 7 Circuit Diagram ...

Page 3: ...ame picture split demo SPD NO 16 double picture demo DPD NO 17 Color system PAL SECAM 18 Audio system DK BG I L L 19 AV stereo YES 20 Surrounding sound NO 21 NICAM YES 22 MUSIC STANDARD THEATRE USE MUSIC THEATRE PERSONAL VOICE 23 Bass Treble YES 24 Balance YES 25 BBE NO 26 LIP SYNC NO 27 Equalizer NO 28 Ear phone YES 29 Mute YES 30 AV input NO 31 DVD terminal NO 32 S video jack YES 33 Y PB PR YES ...

Page 4: ... 10 56 NO of built in speakers 2 57 NO of outer speakers No 58 Audio output power Built in W 1 5W 2 59 Audio output power outer W No 60 Total power input W 60W 61 Voltage range V AC150V AC240V 62 Power frequency Hz 50 60Hz 63 Time of sleep timer MINS 240 64 Net weight KG 5 04 65 Gross weight KG 6 50 66 Net dimension MM 522 195 422 67 Packaged dimension MM 595 265 500 68 Loading Q ty 40H C 700 69 C...

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Page 7: ...Images of Module and Circuit Boards 1 Images of Remote Board Subassembly 2 Images of Key Board Subassembly ...

Page 8: ...3 Images of Main Board Subassembly ...

Page 9: ...4 Images of Power supply 5 Images of Inverter ...

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Page 15: ... GIN1 Y1 Analog Port 1 G Y channel negative analog video input 25 RIN1 Pr1 Analog Port 1 R Pr channel positive analog video input 26 RIN1 Pr1 Analog Port 1 R Pr channel negative analog video input 27 RVMID R channel Midscale clamp voltage bypass 28 ADC_VAA Power ADC Analog power supply 29 ADC_GNDA Power ADC Analog ground 30 BIN0 Pb0 Analog Port 0 B Pb channel positive analog video input 31 BIN0 Pb...

Page 16: ...5 DGND CGND Digital Ground Core Logic Ground 66 T7P B0 Display Blue data 0 output 67 T7M B1 Display Blue data 1 output 68 TCLK2P B2 Display Blue data 2 output 69 TCLK2M B3 Display Blue data 3 output 70 T6P B4 Display Blue data 4 output 71 T6M B5 Display Blue data 5 output 72 T5P B6 Display Blue data 6 output 73 T5M B7 Display Blue data 7 output 74 T4P G0 Display Green data 0 output 75 T4M G1 Displ...

Page 17: ... NC 107 NC 108 NC 109 NC 110 NC 111 NC 112 NC 113 NC 114 NC 115 NC 116 NC 117 GPO1 General purpose output for panel driver 118 GPO2 General purpose output 119 GPO3 General purpose output 120 INT_VSO GPO4 Internal Vertical Sync output 121 INT_HSO GPO5 Internal Horizontal Sync output 122 CVDD Core logic power supply 1 8V pin 123 HDCP_SCL_OP Optional HDCP_SCL pin 124 GPO6 HDCP_SDA_OP General purpose ...

Page 18: ...stal OSC Input 22 GND Power Ground 23 PB0 ADC0 Push Pull Structure with Schmitt Trigger Input 24 PB1 ADC1 Push Pull Structure with Schmitt Trigger Input 25 PB4 SCL0 Open Drain with Schmitt Trigger Input 26 PB5 SDA0 Open Drain with Schmitt Trigger Input 27 PB6 SCL1 Open Drain with Schmitt Trigger Input 28 PB7 SDA1 Open Drain with Schmitt Trigger Input 29 PD5 CLMPO Push Pull Structure with Schmitt T...

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Page 21: ...of U14 pin1 2 ３４ Check U12 pin４８４９５０５７ or poor connection of RP12 N Check CN18 and U12 power and poor connection N N Change U12 Jointing Y Check U12 power circuit Y Check U14 power Check U14 power circuit N Y Check U14 periphery circuit Y ...

Page 22: ... of CN11 Y N Check speak louder N Y Check U6 circuit Check signal input of pin1 9 of U3 Y N Y N Check signal output of pin4 6 of U3 Check signal output of pin60 61 of U21 Y N Broken U3 or E45 Check circuit between U3 and CN11 Check u21 pin60 61 to u3 pin1 9 Check audio input signal SCART pin56 57of u21 AV pin49 50 of u21 PC pin53 54 of u21 Check u21 Check network between audio input and u21 Y N Y ...

Page 23: ...l screen Check panel voltage Check LVDS and its connecting mode Check LCD Check output network and jack Change LVDS Change LCD Reselect panel voltage N Y N N Y Y Check power and timing of U5 Y Check the circuit N ...

Page 24: ...ly of CN10 for 5V Power on or not Turn on TV Pin43 of U6 NT68F631ALG is low voltage or not Check supply reset and crystal of MCU Check the R25 22Ω N N N Y Y Check inverter for 12V Check power Broken inverter or self protect N Y Y ...

Page 25: ...SCART RGB SCART Video S Video AV No color and missing color No signal No signal except VGA Reselect Check R G B circuit Check VS and HS circuit Check U21 power and VS HS circuit Input signal of U5 Y N ...

Page 26: ...r I O of U6 Check voltage of sourse of Q24 According to power trouble Broken LCD or LVDS Check U5 and its power or timing Check grid of Q24 for 0 3 3V 5V or 12V according to panel voltage N Y Check power of panel Check Q24 Broken Q24 or short circuit Check CN8 and CN9 N N N N Y Y Y Y ...

Page 27: ... audio in PC and AV N Y According to no sound Check signal of SAW2 pin1 2 1 Broken SAW2 2 Poor connection of u21 pin29 30 3 U21 power failure 4 Broken U21 1 Check SAW2 pin2 to c133 2 Broken C133 3 Poor connection of D25 or D26 Y N ...

Page 28: ...ture not in centre Missing color Picture not steady No signal Auto adjust Check input signal of U5 Reset Y N Check RGB circuit Check HS and VS Check VS and HS Reselect OSD or change input Check VS and HS Y N ...

Page 29: ...of CN18 N Poor connection of U12 N Check U12 power and periphery circuit Jointing Y Y Jointing HDMI picture Exceptional picture Missing color Check signal of U12 pin27 29 31 Check U12 periphery circuit N Check U12 to U17 Pin2 5 11 Y ...

Page 30: ...Mixed sound in TV but no nicam Audio system is right Reselect Research Picture is normal 1 Broken C113 D25 D26 or SAW2 2 Poor connection of above N N Y Y ...

Page 31: ...LIGHT INVERTER DC12V RESET CPU 5V DATA MUTE STANDBY U_DC 5V CPU 5V SWITCH HD Y HD Pb HD Pr TVR TVG TVB Pr RIN Y GIN Pb BIN VGA_DDC VGA_DDC SCL SDA SDA SCL 24C16 TUNER MUTE AMP STB CON12V TV VS TV HS TV HS TV VS DVD5V DCDC DCDC PW_DN CPU 5V IR LED RED LED GRN U_8V SC RST BLON DVD IR MCU_3V3 Y Pb U_1V8 Pr U_3V3 S_3V3 U_1V8 U_3V3 S_3V3 DVD Y DVD Cb DVD Cr HD AUDIO LI HD AUDIO RI AV HD YP LI AV HD YP ...

Page 32: ... 0 63 YC DELAY PAL 0 15 NTSC 0 15 SECAM 0 15 AUTO Adjust white blance auto SAVE FACTORY 2 VIDEO PC colour temperature 0 255 R 128 G 128 B 128 AGC 30 DCXO 120 DISC 0 AUTO Ajust Nicam DISC set up to from 125 to 129 AUTO POWER OFF ON When push AC SWITCH TV turn on automatically or not AUTO BURNING OFF ON When push AC SWITCH TV enter burning mode or not INIT EEPROM Initiate EEPROM and TV standby ...

Page 33: ...F ON Hotel Lock function FIRST SEARCH OFF ON Auto search or not when first poweron HDMI OFF ON AV OFF ON SCART OFF ON COMPONENT OFF ON LANGUAGE EC EU8 ER Language selection CHANNEL TAB QD JN Factory signal tab NO SYNC TIME 5M 10M Standby time when no signal for five minutes or ten SAVE 3 Use the MENU key to switch FACTORY 1 FACTORY 2 and FACTORY 3 and use the EXIT key to exit factory menu ...

Page 34: ...ts and Settings lilixiu 桌面 B TD302B ddb Drawn By 01 POWER AMP 01 POWER AMP Sch 02 INPUT 02 INPUT Sch 03 NT68565 03 NT68565 Sch 04 TUNER 04 TUNER Sch 05 UOC3 05 UOC3 Sch 06 AUDIO 06 AUDIO Sch 08 0UTPUT 08 0UTPUT Sch 09 HDMI 09 HDMI SCH 07 MCU 07 MCU Sch PDF 文件使用 pdfFactory 试用版本创建 ÿÿ www fineprint com cn ...

Page 35: ...D1 8 2V LL 34 1 2W VIN 1 OUT 2 COM 3 FBK 4 ON 5 GND 6 U1 AP1501 50K5L A MCU VCC DVD 5V 12V 12V C37 0 1uF 0603 Y5V 80 20 50V C39 0 1uF 0603 Y5V 80 20 50V E32 470uF 25V 20 10 13 105 BLON ADJ DVD_OP_12V ON OFF R87 NC 1Kohm 0603 5 1 10W Q26 NC PMBT3904 R257 NC 10Kohm 0603 5 1 10W ON OFF CPU5V C224 0 1uF 0603 Y5V 80 20 50V C225 0 1uF 0603 Y5V 80 20 50V F1 3G3A 250V 1 2 3 4 5 6 7 8 CN10 7PIN 2 54 D H G ...

Page 36: ... GND GND GND GND SC1_R_IN SC1_L_IN SCART_B SC1_SWITCH SCART_G SCART_R SCART_VI CVBSO SC1_FB R68 33Kohm 0603 5 1 10W R156 12Kohm 0603 5 1 10W R148 75ohm 0603 5 1 10W C186 100pF 0603 NPO 5 50V 5V SC1_SWITCH 1 3 2 D38 BAV99LT1 A7 SOT 23 SCART_B SCART_G SCART_R SCART_VI CVBSO 1 3 2 D19 BAV99LT1 A7 SOT 23 1 3 2 D37 BAV99LT1 A7 SOT 23 1 3 2 D34 BAV99LT1 A7 SOT 23 1 3 2 D31 BAV99LT1 A7 SOT 23 1 3 2 D32 B...

Page 37: ... F C119 0 1uF 0603 Y5V 80 20 50V R30 470ohm 0603 5 1 10W C112 0 1uF 0603 Y5V 80 20 50V L2 GZ1608D121T F C111 0 1uF 0603 Y5V 80 20 50V C163 0 1uF 0603 Y5V 80 20 50V C145 0 1uF 0603 Y5V 80 20 50V L10 GZ1608D121T F C183 0 1uF 0603 Y5V 80 20 50V C184 0 1uF 0603 Y5V 80 20 50V 3V3A 3 3V PVCC 3V3A 1V8A DPLL 3V3A 3V3A NT_RST NT_IRQ TCLK 1 3 5 7 8 6 4 2 RP1 4 33ohm 0603 5 1 16W 1 3 5 7 8 6 4 2 RP2 4 33ohm ...

Page 38: ...D25 BA792 Q12 PMBT3904 R140 NC 0ohm 0603 5 1 10W OP2 R99 100ohm 0603 5 1 10W C123 0 1uF 0603 Y5V 80 20 50V E30 47uF 25V 20 5 7 105 5V_IF L12 EC0410 101K R L F C124 NC 0 1uF 0603 Y5V 80 20 50V E38 NC 47uF 25V 20 5 7 105 L3 NC SDFL1608Q1R0KT F R26 2K2ohm 0603 5 1 10W E1 4 7uF 50V 20 5 11 105 DC_12V C48 0 1uF 0603 Y5V 80 20 50V 1 3 2 D2 BAV99LT1 A7 SOT 23 C49 0 01uF 0603 X7R 10 50V C58 0 01uF 0603 X7...

Page 39: ...69 10uF 25V 20 5 11 105 C155 3300pF 0603 X7R 10 50V R204 390ohm 0603 5 1 10W C75 0 1uF 0603 Y5V 80 20 50V E70 1uF 50V 20 5 11 105 E68 2 2uF 50V 20 5 11 105 8V C77 0 1uF 0603 Y5V 80 20 50V C128 0 1uF 0603 Y5V 80 20 50V 3 26 54 92 R216 100ohm 0603 5 1 10W R217 100ohm 0603 5 1 10W C86 0 1uF 0603 Y5V 80 20 50V L37 GZ1608D121T F 3PVCC R179 100ohm 0603 5 1 10W R180 100ohm 0603 5 1 10W R181 100ohm 0603 5...

Page 40: ...7 GND 8 B 9 A 10 X3 11 X0 12 X 13 X1 14 X2 15 VDD 16 U11 74HC4052D R186 100Kohm 0603 5 1 10W R160 100Kohm 0603 5 1 10W R177 100Kohm 0603 5 1 10W R159 100Kohm 0603 5 1 10W PC_HD_YP_L PC_HD_YP_R YP_L YP_R C245 0 1uF 0603 Y5V 80 20 50V E10 47uF 25V 20 5 7 105 5V 5V_AUDBIAS R158 100ohm 0603 5 1 10W 5V_AUDBIAS 5V_AUDBIAS R185 100Kohm 0603 5 1 10W R184 100Kohm 0603 5 1 10W 5V_AUDBIAS R201 100Kohm 0603 5...

Page 41: ...30pF 0603 X7R 10 50V AV1 5V C121 NC 100pF 0603 NPO 5 50V R86 NC 47Kohm 0603 5 1 10W R69 NC 1Kohm 0603 5 1 10W C118 NC 100pF 0603 NPO 5 50V R85 NC 47Kohm 0603 5 1 10W R71 NC 1Kohm 0603 5 1 10W 1 2 D21 NC MLVS0603M07 1 2 D9 NC MLVS0603M07 AV_AUD_L AV_AUD_R AV L AV R 耳机输出 LSPK RSPK 1 2 3 4 CN11 4PIN 2 54 D H G GND R210 NC 0ohm 0805 5 1 8W R218 NC 0ohm 0805 5 1 8W ROUT LOUT C R R1 L L1 AV7 0094300644 ...

Page 42: ...5 50V C278 100pF 0603 NPO 5 50V C279 100pF 0603 NPO 5 50V HAVDD HPVDD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 CN18 HMR41 AK5200 19PIN 0 5 GND GND GND GND GND RX2 RXC RX1 RX1 RX2 RXC RX0 RX0 RX_HOTPLUG DAC_AVDD HVDDE RX2 RXC RX1 RX1 RX2 RXC RX0 RX0 HDMI_SCL HDMI_SDA HDCP_SCL HDCP_SDA E6 100uF 16V 20 5 11 105 C24 0 1uF 0603 Y5V 80 20 50V 5V 3V3 C262 0 1uF 0603 Y5V 80 20 50V C263 0 1uF 0603 Y...

Page 43: ...W RP10 4 4K7ohm 0603 5 1 16W R70 10Kohm 0603 5 1 10W RP15 4 4K7ohm 0603 5 1 16W RP14 4 4K7ohm 0603 5 1 16W RP9 4 4K7ohm 0603 5 1 16W E7 4 7uF 50V 20 5 11 105 RP114 4K7ohm 0603 5 1 16W RP8 4 4K7ohm 0603 5 1 16W R88 1Mohm 0603 5 1 10W TCLK UOC_SDA UOC_SCL UOC_REQCOMM UOC_READYCOMM UOC_REQREAD BL_PW LED_GRN LED_RED NT_RST NT_IRQ SDA SCL VGASCL VGASDA TXD RXD CPU5V CPU5V R79 4K7ohm 0603 5 1 10W R81 1K...

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