Akai LEA-19A08G Скачать руководство пользователя страница 1 | Manualshive

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LEA-19A08G

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Содержание LEA-19A08G

Страница 1: ...LEA 19A08G ...

Страница 2: ...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 Cold Cold Check Check Check Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead o...

Страница 3: ...e 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 only by applying the following mixture to the contacts with a pipe cleaner cotton tipped stick or comparable non abrasive applicator 10 by volume Acetone and 90 by volume isopropyl alcohol 90 99 strengt...

Страница 4: ...nd 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 the soldering iron tip clean and well tinned 4 Thoroughly clean the surfaces to be soldered Use a mall wire bristle 0 5 inch or 1 25cm brush with a metal handle Do not use freon propelled spray on c...

Страница 5: ... 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 additional solder Fuse Fuse Fuse Fuse and and and and Conventional Conventional Conventional Conventional Resistor Resistor Resistor Resistor Removal Replacement Removal Replacement Removal Replacement ...

Страница 6: ... NOTE NOTE NOTE Specifications and others are subject to change without notice for improvement 1 Application range This specification is applied to the LCD TV used AS MST6M181VS LE1 chassis 2 Requirement for Test Each part is tested as below without special appointment 1 Temperature 25 5ºC 77 9ºF CST 40 5ºC 2 Relative Humidity 65 10 3 Power Voltage Standard input voltage 100 240V 50 60Hz Standard ...

Страница 7: ...480i 2 720x480 15 75 60 SDTV DVD 480i 3 720x480 31 47 59 94 SDTV 480p 4 720X480 31 5 60 SDTV 480p 5 720x576 15 625 50 SDTV DVD 576i 6 720x576 31 25 50 SDTV 576p 7 1280x720 44 96 59 94 HDTV 720p 8 1280x720 45 60 36 HDTV 720p 9 1280x720 37 5 50 HDTV 720p 10 1920x1080 28 125 50 HDTV 1080i 11 1920x1080 33 75 60 HDTV 1080i 12 1920x1080 33 72 59 94 HDTV 1080i 13 1920x1080 56 25 50 HDTV 1080p 14 1920x108...

Страница 8: ...6 1280 720 44 96 59 94 74 176 HDTV 720P HDCP 17 1280 720 45 00 60 00 74 250 HDTV 720P 18 1920 1080 33 72 59 94 74 176 HDTV 1080I HDCP 19 1920 1080 33 75 60 00 74 250 HDTV 1080I HDCP 20 1920 1080 28 125 50 00 74 250 HDTV 1080I 50Hz HDCP 21 1920 1080 27 000 24 00 74 250 HDTV 1080P 24Hz HDCP 22 1920 1080 56 250 50 148 500 HDTV 1080P 50Hz HDCP 23 1920 1080 67 433 59 94 148 352 HDTV 1080P HDCP 24 1920 ...

Страница 9: ...uto Detect and check OK message If display Error Check connect computer jig and set 3 Click Connect tab If display Can t Check connect computer jig and set 4 Click Read tab and then load download file XXXX bin by clicking Read 5 Click Auto tab and set as below 6 Click Run 7 After downloading check OK message ...

Страница 10: ... How to enter into Service Mode The way to the factory mode menu Step 1 Enter to AV1 mode using the Source button Step 2 Press MENU button Step 2 Input 710 Step 3 Press OK System will be into the factory mode menu ...

Страница 11: ...orm Could you measure voltage of TU1 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 U12 Especially you should check The VIF and IIC Can you see the normal waveform After checking the Power of Main IC U12 you should decide to replace Main IC or not This board has big problem because Main IC U12 have s...

Страница 12: ...ain IC U12 Can you see the normal waveform After checking the Power of Main IC U12 Check the output of Main IC IU12 Especially you should check Can you see the normal waveform After checking the Power of Main IC U12 you should decide to replace Main IC or not This board has big problem because Main IC U12 have some troubles After checking thoroughly all path once again You should decide to replace...

Страница 13: ... problem Replace this Jack Check the output of Main IC U12 Especially you should check The H V sync and clock Can you see the normal waveform After checking the Power of Main IC U12 you should decide to replace Main IC or not This board has big problem because Main IC U12 have some troubles After checking thoroughly all path once again You should decide to replace Main Board or not ...

Страница 14: ...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 U10 Can you see the normal waveform After checking the Power of RGB switch you should decide to replace RGB Audio switch or not Check the output of Main IC U10 Especially you should check The H V sync and clock Can you see the normal waveform After check...

Страница 15: ...hould decide to replace this or not Check HDCP communication lines U12 After checking the Power of this chip you should decide to replace this or not Check the output of Main IC U12 Especially you should check The sync and clock Can you see the normal waveform After checking the Power of Main IC U12 you should decide to replace Main IC or not This board has big problem because Main IC U12 have som...

Страница 16: ...904 1 2 3 PANEL ON OFF R342 1K PANEL ON OFF R344 1K 5V_Standby PWR ON OFF R30 4 7K Q39 3904 1 2 3 AVSS_PGA Standby Power 3 3V Standby Power 3 3V Standby Power 3 3V Standby Power 3 3V AVSS_PGA C54 0 1uF ADJ OUT IN OUT U06 BM1117 3 3 3 2 1 4 C59 0 1uF C47 0 1uF C386 2 2u C391 4 7u C247 0 1uF 50V R309 0 5V_Standby R363 100K D67 33V 33V Tuner 40V_PWM2 5V_Normal 3 3V_Normal WARNING WARNING WARNING WARN...

Страница 17: ...RXE1 106 G_ODD1 RXE1 107 AVDD2P5_MOD 108 G_ODD2 RXE0 109 G_ODD3 RXE0 110 G_ODD4 RXO4 111 G_ODD5 RXO4 112 G_ODD6 RXO3 113 G_ODD7 RXO3 114 R_ODD0 RXOC 115 R_ODD1 RXOC 116 R_ODD2 RXO2 117 R_ODD3 RXO2 118 R_ODD4 RXO1 119 R_ODD5 RXO1 120 R_ODD6 RXO0 121 R_ODD7 RXO0 122 VDDC 123 AVDD2P5_MOD 124 AVDD_LPLL 125 GPIO74 I2S_IN_WS PWM4 RX3 LCK 126 GPIO75 I2S_IN_SD PWM5 TX3 LDE 127 GPIO76 I2S_IN_BCK PWM2 LHSYN...

Страница 18: ...2 R198 1K_1 R1162 220 R202 1K_1 AVDD_DDR1_2 5V AVDD_DDR1_2 5V USE NANYA NT5DS16M16DS 4T R1156 NC R1162 200ohm AVDD_DDR1_2 5V A MCKE MCKE USE other DDR R1156 0ohm R1162 NC A MADR9 A MADR11 USB2_D USB2_D D139 NC 1 2 A MADR12 D140 NC 1 2 D141 NC 1 2 D142 NC 1 2 A MADR12 A_MADR12 A MADR10 USB2_D1 _in WEZM0 C93 10u USB2_D1 _in UDM0 A_MDQMU A MADR7 A_MADR7 LDQS A_MDQSL LDM0 A_MDQML UDQS A_MDQSU A MADR6 ...

Страница 19: ... 14 SCL 15 SDA 16 DDC CEC GND 17 5V POWER 18 HOT PLUG 19 20 GND1 21 GND2 22 GND3 23 GND4 HDMI1 5V R677 10R HDMI1 RX2P HDMI1 RX2N HDMI1 RX1P HDMI1 RX1N HDMI1 RX0P HDMI1 RX0N HDMI1 CLKP HDMI1 CLKN HDMI CEC R678 10R HDMI_HP1 HDMI1 SCL HDMI1 SDA ARC R679 10R R680 10R R681 10R R682 10R HDMI1 RX2 5V_Normal HDMI1 5V C78 0 1uF D19 BAT54C D13 5 NC 1 2 D13 6 NC 1 2 D13 7 NC 1 2 R396 10K R29 4 12 K R29 5 12 ...

Страница 20: ... 1 7 5 R R275 33 R R374 10 K R376 10 K R278 33 R R 2 2 2 1 2 K R 2 7 6 7 5 R C296 2 2u R 2 7 9 7 5 R D 1 3 1 N C 1 2 C295 2 2u R373 10 K R686 47 R R685 47 R R 2 7 7 1 2 K R 2 2 3 1 2 K R 2 3 8 1 2 K RGB0_ Y SOG RGB0_ Pb VGA_VS RGB0_ Pr VGA_VS C 8 2 5 N C 5 6 0 p HD SW RGB0_ Pr RGB0_ Y HD SW RGB0_ Y SOG RGB0_ Y RGB0_ Pb R348 10 0K R208 0R AV_LOUT D 1 4 3 N C 1 2 AV2_L in D 1 3 2 N C 1 2 CL OSED TO ...

Страница 21: ...IN RXO0 RXO1 LED_R LED_R R353 4 7K 5V_Standby R351 4 7K LED_G R352 2 7K Q18 3904 1 2 3 5V_Standby LED_G LED_R IR in KEY0 in KEY1 in KEYBOARD CN20 8P 2 0 1 2 3 4 5 6 7 8 LED 5V_Standby R708 4 7K R354 1K Q22 3904 1 2 3 5V_Standby 3 3V_Standby PANEL_ON OFF RXO2 PANEL_ON OFF RXOC RXO3 RXE0 BRI_ADJ PWM0 VBL_CTRL VBL_CTRL BRI_ADJ PWM0 RXE1 RXE2 RXEC R4 0 0603 RXE3 CN25 NC 3 2 5 1 1 3 2 RXO0 RXO1 RXO2 CN...

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