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10 

Chapter4 The chassis frame diagram, mainboard power supply systems, 

mainboard interface definition   

This chapter mainly introduce the chassis frame diagram, power supply system, interface definition   

4-1 Power supply system 

Power board has two kinds of output voltage: +12V

 

4-1-1 MSD3663 Power Block Diagram 

               

 

4-1-2 Pin voltage of the voltage adjustor on the mainboard 

item No. 

UE1 

UE2 

UE3 

UE4 

QE1 

QL1 

CONP2  CONP3 

output voltage 

5VS 

1.1V 

1.5V 

3.3V 

5VA 

VCC-panel 

12VS 

LED 

 

 

Summary of Contents for HLS80JS

Page 1: ...LED COLOUR TV MAINTENANCE MANUAL MODEL HLS80JS CHASSIS MSD3663 PCB VERSION JUC7 820 00239365 Please read this manual carefully before maintenance ...

Page 2: ... conditons 5 3 2 2 R842 brief introduction 6 3 2 3 RDA5815M brief introduction 7 3 2 4 GD25Q64CSIG brief introduction 7 Chapter4 The chassis frame diagram mainboard power supply systems mainboard interface definition 10 4 1 Power supply system 10 4 1 1 MSD3663 Power Block Diagram 10 4 1 2 Pin voltage of the voltage adjustor on the mainboard 10 Chapter5 Software upgrade instructions 11 5 1 UART Upg...

Page 3: ...g image may remain at the top when shutdown the machine 5 Please avoid the impact from the mobile phone to protect your TV 1 3 Storage notes 1 When stored for a long time please keep the temperature between 0 to 40 don t expose the TV to the strong sunlight the humidity should be less than 85 RH 2 Please don t put your TV under high humidity and high temperature environment for example the tempera...

Page 4: ...nd system B G D K I color system PAL SECAM DTV function DVB T T2 COFDM DVB C 16QAM 32QAM 64QAM 128QAM 256QAM DVB S2 QPSK 8PSK Video System MPEG2 MP ML MPEG 2MP MLh H264 HEVC Sound System MPEG 1Layer 1 2 DD DD AAC HE AAC Audio and video signal input AV AV x 1 Audio L R x 1 HDMI HDMI x3 support to1080P USB USB x1 support media player Audio output Audio output L R 8W inner speakers for each channel S...

Page 5: ...practicality photos ATTENTION 1 HDMI support to 1080P RF input HDMI2 input Audio output Keypad IR input Lvds output USB2 input Main Chip CI input Satellite input SPDIF output AV input HDMI1 input HDMI3 input Backlight output AC input ...

Page 6: ...DVB S DVB S2 3 UM1 MSD3663LSA 005N Video decoder image processor A D and D A conversion 4 UA1 OB6228UP 15W Stereo BTL Analog Input Audio Amplifier with Power Limiter and DC Detect 5 UM2 GD25Q64CSIG 64 Mbit 8M x8bit low voltage Serial Flash memory 6 UE2 MP1657GTF Z 12VS to 1 1V DC DC For COER 7 UE1 MP1657GTF Z 12VS to 5VS DC DC 8 UE4 LC1118CS8TRAD33 5VS to 3 3VS LDO 5VA to 3 3V_T LDO 9 UE3 LC1117CL...

Page 7: ...5 3 2 Pin function description of HLS80JS chip 3 2 1 MSD3663 recommended operating power conditons UM2 Flash Memory UM1 MSD3663 USO1 UE2 DC DC UE4 LDO UTO1 UE3 DC DC UE1 DC DC UZ1 LNB UA1 OB6228UP ...

Page 8: ...6 3 2 2 R842 brief introduction ...

Page 9: ...7 3 2 3 RDA5815M brief introduction 3 2 4 GD25Q64CSIG brief introduction 3 2 5 MP1657GTF Z brief introduction ...

Page 10: ...8 3 2 6 LC1117CLTR15 brief introduction 3 2 7 RT5047GSP brief introduction 3 2 8 LC1118CS8TRAD33 brief introduction ...

Page 11: ...9 3 2 9 OB6228UP brief introduction ...

Page 12: ...the chassis frame diagram power supply system interface definition 4 1 Power supply system Power board has two kinds of output voltage 12V 4 1 1 MSD3663 Power Block Diagram 4 1 2 Pin voltage of the voltage adjustor on the mainboard item No UE1 UE2 UE3 UE4 QE1 QL1 CONP2 CONP3 output voltage 5VS 1 1V 1 5V 3 3V 5VA VCC panel 12VS LED ...

Page 13: ... Upgrade UART upgrade is very slow about 10 minutes if the main board is not dead please do not use UART upgrade URAT upgrade software tool is MSTV_Tool 1 tools prepare A USB cable 3 3V 5VS GND IR LED K0 GND 12VS 1 5V R R L L LED 1 1V LVDS VCC pane 5VS ...

Page 14: ... B URAT tool C 4 Pin Reverse Wire D VGA upgrade tool 2 UART upgrade A Copy the bin file upgrading to usb key root folder and then put USB key to main board USB terminal B MSTV_Tool COM port COM port COM4 ...

Page 15: ...13 C power on the TV set you will message in the blue window D view direct command mode keypad emulator click 67 key ...

Page 16: ...14 E When upgrade is finish the TV will auto power on 5 2 USB Upgrade 1 Power on TV set Copy the bin file upgrading to usb key root folder and then put USB key to main board USB terminal ...

Page 17: ... USB then press ENTER 3 Press remote control ENTER it will ask you are you sure choose yes and System auto loads the upgrade bin and start upgrading processing bar will be shown During the upgrading the OSD will show like bellow When upgrade is finish the TV will auto power on ...

Page 18: ...lity Use the qualified signal cord No picture no sound and indicator light is green Contrast brightness color and volume are all in the minimum value or TV is in mute mode Adjust the value of contrast brightness color and volume The signal cable is not correctly connected Connect the signal cable correctly Blue screen AV or SVIDEO is displayed There is no signal input or the video cable is not con...

Page 19: ...tory mode Please press EXIT key to exit source Factory menu displays as bellow The first menu value The second items value The third items value ADC ADJUST MODE RGB Ypbpr SD Ypbpr HD S CART ADC Tune Fail R GAIN 5159 G GAIN 5192 B GAIN 5206 R OFFSET 0 G OFFSET 0 B OFFSET 0 Ypbpr Phase 0 Picture mode Source VGA HDMI1 HDMI2 HDMI3 SCART DTV ATV AV YPBPR 1 Picture mode Home vivid standard mild user Bri...

Page 20: ...27 R OFFSET 1024 G OFFSET 1024 B OFFSET 1025 Copy all SSC MIU enable 1 MIU modulation Khz 25 MIU percentage 10 LVDS enable 1 LVDS modulation Khz 35 0Khz LVDS percentage 2 00 Panel swing 250 SPECIAL SET 2HOUR OFF Off on WDT Off on WHITE PATTERN Off on GE GOP PATTERN BMAP PATTERN Restore factory ...

Page 21: ...On off VIF1 VIF1 AFEC_D4 0 AFEC_D5 2 0 AFEC_D8 3 0 0 AFEC_D9 0 0 AFEC_A0 10 AFEC_A1 20 AFEC_66 7 6 0 AFEC_6E 7 4 8 AFEC_6E 3 0 8 VIF_TOP 5 VIF_VGAMAXIMUM 7000 VIF_GAIN_DISTRIBUTTO N 6A00 AFEC_CB 0 China_DESCRAMNLER_B OX 32 VIF2 VIF_CR_KP1 3 VIF_CR_KI1 3 VIF_CR_KP2 6 VIF_CR_KI2 5 VIF_CR_KP 6 VIF_CR KI 9 ...

Page 22: ...VIF_OVER_MODULATIO N 0 VERSION 005 VIF3 AFEC_D7_ 3 0 E AFEC_D7_ 7 4 18 AFEC_43 14 AFEC_44 90 VIF_CLAMPGAIN_GAIN_ OV 600 VIF_CLAMPGAIN_CLAM P_O 750 Audio_HIDEV_MODE HIDEV L1 AFEC_DSP_version 19C AUDIO_NR_THR 0 CHINA_DES BO X delay 0 0 QMAP ADJUST Input source RF_PAL_BGHI AFEC RFIN ...

Page 23: ...1135_1o5 P6_1135_1o5 S_1 135_1o5 N4_1135_1o5 PM_11 35_1o5 PNC_1135_1o5 N_dyn amic P_dynamic P6_dynamic S _dynamic N4_dynamic PM_dy namic PNC_dynamic N_1135 P _1135 P6_1135 S_1135 N4_11 35 PM_1135 PNC_1135 N_113 5_1o5 ADC_sampling SCinit CSC Off L_RGB2YCC_SD F_RGB 2YCC_SD L_RGB2YCC_HD F_RGB2YCC_HD CSC_dither Off on YCdelay Off YC_91 YC_92 preFilter FIR66 FIR_janus FIR75 FIR80 FIR85 FIR90 FIR95 OFF ...

Page 24: ...to8_Dither Off rand_dith fix_dith Memformat 422MF 444_10BIT 444_8BIT PreSNR OFF PS_1 PS_2 PS_3 PS_4 PS 5 PS_6 PS_7 PS_8 PS_9 PS_1 0 PS_11 PS_12 PS_13 PS_14 P S 15 PS_16 PreSNR_patch Off PSP_1 PSP_2 DNR DNR_OFF ON ON_PT NR_O FF DNR_motion MR_NR MR_nonNR DNR_Y OFF DY_1 DY_1_1 DY_2 DY _2_1 DY_3 DY_3_1 DY_4 DY _4_1 DY_5 DY_5_1 DY_6 DY _6_1 DY_7 DY_7_1 DY_8 DY _8_1 DY_9 DY_9_1 DY_10 D Y_10_1 DY_nonline...

Page 25: ...C_nonlinear3 U1 U2 U3 U4 U5 U6 U7 U8 O FF DC_1 DC_1_1 DC_2 DC_2 _1 DC_3 DC_3_1 DC_4 DC_4 _1 DC_5 DC_5_1 DC_6 DC_6 _1 DC_7 DC_7_1 DC_8 DC_8 1 DC_9 DC_9_1 DC_10 DC_ 10_1 DC_nonlinear1 PNR OFF PNR_PCCS_AVG_O ON AVG_ON PNR_Y OFF PY1 PNR_C OFF PC1 postCCS VD_8R_8 HDMI_8R_3 HDMI _8R_6 HDMI_8R_7 SD_ONL Y_REF_YE OFF VD_6R_3 V D_6R_6 HDMI_6R_3 HDMI_6 R_6 VD_8R_3 VD_8R_6 VD_ 8R_7 PostCCS_NP PAL NTSC OFF ...

Page 26: ... BWS1 BWS2 MADi 25_14F_8R_MC 25_16F_8R_ MC P_MODE8_444 P_MODE 10_444 P_MODE_MOT10_4 R FBL_2D RFBL_25D RFBL_3 D 25_14F_6R_MC P_MODE_ MC_3Frame P_MODE_MC_6 Frame P_MODE_MC_12Frame RFBL_MC RFBL_P_MODE_ MC 25_4R_MC_Yonly 25_6F_ 4R_MC 25_6F_4R_MC_Yonly P_MODE_MOT10_N 25_8F_4 R_MC 25_8F_4R_MC_Yonly P_MODE8_NO_DNF 24_4R 2 4_2R 25_4R 25_2R 26_4R 26_ 2R 27_4R 27_2R P_MODE8 P _MODE10 P_MODE_MOT10_ 8 P MODE_...

Page 27: ... DFK4 DFK5 DFK6 MADi_SST OFF SST1 SST2 SST3 SST4 S ST5 SST6 SST_REC1 MADi_EODiW W2 W3 OFF W1 MADi_Force OFF YC_fullmotion YC_fullsti ll Y_fullmotion Y_fullstill C_fu llmotion C_fullstill EODi SD_8 SD_7 SD_6 SD_5 SD_4 SD_3 SD_2 SD_1 HD_15 HD_ 14 HD_13 HD_12 HD_11 HD_ 10 HD_9 HD_8 HD_7 HD_6 H D_5 HD_4 HD_3 HD_2 HD_1 OFF SD_15 SD_14 SD_13 SD _12 SD_11 SD_10 SD_9 Film OFF SD_2 SD_1 SD_3 HD_2 HD_1 HD_3...

Page 28: ... SD_4 S D_5 SD_6 SD_7 SD_8 SD_9 S D_10 HD_1 HD_2 HD_3 HD_ 4 HD_5 HD_6 SD_P SD_N H D AUTO_22 AUTO1_50SD A UTO1_50HD SD_P_auto1 SD_ N_auto1 HD_auto1 Film_any OFF SD_1 SD_2 SD_3 SD_4 S D_5 SD_6 SD_7 SD_8 SD_9 S D_10 HD_1 HD_2 HD_3 HD_ 4 HD_5 HD_6 SD HD AUTO_ ANY UCNR SD_3 SD_4 SD_P_1 SD_P_2 S D_P_3 SD_P_4 SD_5 HD_1 S D_24p_2 HD_24p OFF SD_1 S D_2 UCDi T12 T12_UCDI_OFF OFF SD_ 1 SD_2 SD_3 RF_1 RF_2 RF...

Page 29: ...D_source_H n ew_HD_source_M new_HD_so urce_L OFF T0 T1 SPF_SNR OFF E1S1 E1S2 E2S1 E3S1 E 4S1 E4S2 E4S3 SPF_SNR_MR ON OFF SPF_MR_LPF LPF3x3 OFF SPF_NMR_Y S2 S3 OFF S1 SPF_NMR_Y_M R ON OFF DMS ON OFF DMS_H S1 S2 S3 OFF VSP_Y SRAM_1_4Tap SRAM_2_4Tap SRAM_1_6Tap SRAM_2_6Ta p bypass bilinear VSP_C C_SRAM_2 C_SRAM_3 C_SR AM_4 SRAM_1_4Tap SRAM_ 2_4Tap bypass bilinear C_SRA M_1 VSP_coring Y_coring_1 Y_cor...

Page 30: ...CTI_N_S5_MS5 HSP_Y SRAM_2_4tap SRAM_1_6tap SRAM_2_6tap SRAM_2_8tap bypass bilinear SRAM_1_4tap HSP_C C_SRAM_1 C_SRAM_2 C_SR AM_3 C_SRAM_4 SRAM_1_ 4tap SRAM_2_4tap bypass bili near HSP_coring Y_coring_1 Y_coring_2 Y_cori ng_3 Y_coring_4 Y_coring_5 OFF HSP_dither OFF ON Hnonlinear OFF H_1366_0 H_1366_1 H_1 366_2 H_1440 H_1680 H_192 0_0 H_1920_1 H_1920_2 SRAM1 SRAM2 SRAM3 SRAM4 C_SRAM1 C121 C161 C212...

Page 31: ...y OFF y0cb0cr0 y0cb1cr0 y1cb0 cr0 VIP_HNMR_Y S2 S3 S4 OFF S1 VIP_HNMR_ad_ C Yon OFF VIP_HNMR_ad_ C_gain S1 S2 S3 S0 VIP_HNMR_C_w in1 OFF flesh_1 flesh_2 VIP_pre_yoffset RF_PAL RF NTSC AV_PAL A V_NTSC YPBPR_HD YPBPR _SD HDMI_HD HDMI_SD D TV_HD DTV_SD VIDEO1_H D VIDEO1_SD VIDEO2_HD VIDEO2_SD VIDEO_HD VID EO_SD PHOTO_HD PHOTO_ SD VIDEO_3D 0xF0 OFF VIP_pre_ygain RF_PAL RF NTSC AV_PAL A V_NTSC YPBPR_HD...

Page 32: ...FF ON VIP_VNMR S3 S4 OFF S1 S2 VIP_VNMR_dithe r OFF ON VIP_VLPF_coef1 0x5 VIP_VLPF_coef2 0x5 VIP_VLPF_dither OFF ON VIP_LDE OFF HDto4k2k 4k2k_o4k2k VIP_LDE_setting S2 S3 S4 4k2k_S0 4K2K_S1 S 0 S1 VIP_peaking ON OFF VIP_peaking_ban d RF_NTSC RF_NTSC_0 RF_N TSC_1 RF_NTSC_2 RF_NTSC 3 RF_NTSC_4 RF_SECAM A V_NTSC AV_PAL AV_SECA M AV_1 SV_NTSC 480i480i_1 720p 1080i H_480i H_576i H_ 720p H 1080i H_1080i_...

Page 33: ...ad_C OFF T1 T2 T3 T4 T5 T6 VIP_peaking_gain 0x28 VIP_peaking_gain _ad_C OFF T1 T2 T3 T4 T5 T6 VIP_post SNR S6 S7 S8 S9 OFF S1 S2 S3 S4 S5 VIP_post CTI S1 S2 S3 OFF S0 VIP_post CTI_coe f 0x20 VIP_post CTI_gra y OFF VIP_FCC_full_ran ge ON OFF VIP_FCC_bdry_di st ON OFF VIP_FCC_T1 RF_PAL RF_NTSC AV_PAL A V_NTSC YPBPR_HD YPBPR SD HDMI_HD HDMI_SD DT V_HD DTV_SD VIDEO1_HD VIDEO1_SD VIDEO2_HD VI DEO2_SD V...

Page 34: ... RF_PAL RF_NTSC AV_PAL A V_NTSC YPBPR_HD YPBPR SD HDMI_HD HDMI_SD DT V_HD DTV_SD VIDEO1_HD VIDEO1_SD VIDEO2_HD VI DEO2_SD VIDEO_HD VIDE O_SD PHOTO_HD PHOTO_S D VIDEO_3D OFF VIP_FCC_T4 RF_PAL RF_NTSC AV_PAL A V_NTSC YPBPR_HD YPBPR SD HDMI_HD HDMI_SD DT V_HD DTV_SD VIDEO1_HD VIDEO1_SD VIDEO2_HD VI DEO2_SD VIDEO_HD VIDE O_SD PHOTO_HD PHOTO_S D VIDEO_3D OFF VIP_FCC_T5 RF_PAL RF_NTSC AV_PAL A V_NTSC YP...

Page 35: ... VI DEO2_SD VIDEO_HD VIDE O_SD PHOTO_HD PHOTO_S D VIDEO_3D OFF VIP_FCC_T7 RF_PAL RF_NTSC AV_PAL A V_NTSC YPBPR_HD YPBPR SD HDMI_HD HDMI_SD DT V_HD DTV_SD VIDEO1_HD VIDEO1_SD VIDEO2_HD VI DEO2_SD VIDEO_HD VIDE O_SD PHOTO_HD PHOTO_S D VIDEO_3D OFF VIP_FCC_T8 RF_PAL RF_NTSC AV_PAL A V_NTSC YPBPR_HD YPBPR SD HDMI_HD HDMI_SD DT V_HD DTV_SD VIDEO1_HD VIDEO1_SD VIDEO2_HD VI DEO2_SD VIDEO_HD VIDE O_SD PHO...

Page 36: ...D YPBPR SD HDMI_HD HDMI_SD DT V_HD DTV_SD VIDEO1_HD VIDEO1_SD VIDEO2_HD VI DEO2_SD VIDEO_HD VIDE O_SD PHOTO_HD PHOTO_S D VIDEO_3D OFF VIP_IHC_dither OFF ON VIP_IHC_CRD_S RAM 15win3_stronggain 7wins_old_ ROM 7wins_weakgain 7wins_s tronggain 15wins1 15wins2 15 win2_weakgain 15wins_9flesh 15win3 15win2_stronggain VIP_IHC_SETTI NG RF_PAL RF_NTSC AV_PAL A V_NTSC YPBPR_HD YPBPR SD HDMI_HD HDMI_SD DT V_H...

Page 37: ...CC_ditther ON OFF VIP_ICC_CRD_S RAM 15win3_stronggain 7wins_old_ ROM 7wins_weakgain 7wins_s tronggain 15wins1 15wins2 15 win2_weakgain 15wins_9flesh 15win3 VIP_ICC_SETTI NG RF_PAL RF_NTSC AV_PAL A V_NTSC YPBPR_HD YPBPR SD HDMI_HD HDMI_SD DT V_HD DTV_SD VIDEO1_HD VIDEO1_SD VIDEO2_HD VI DEO2_SD VIDEO_HD VIDE O_SD PHOTO_HD PHOTO_S D VIDEO_3D OFF VIP_Ymode_Yval ue_ALL RF_PAL RF_NTSC AV_PAL A V_NTSC YP...

Page 38: ..._HD VI DEO2_SD VIDEO_HD VIDE O_SD PHOTO_HD PHOTO_S D VIDEO_3D Y1 Y2 Y_15win 2 VIP_IBC ON OFF VIP_IBC_dither OFF ON VIP_IBC_SETTI NG RF_PAL RF_NTSC AV_PAL A V_NTSC YPBPR_HD YPBPR SD HDMI_HD HDMI_SD DT V_HD DTV_SD VIDEO1_HD VIDEO1_SD VIDEO2_HD VI DEO2_SD VIDEO_HD VIDE O_SD PHOTO_HD PHOTO_S D VIDEO_3D OFF VIP_DLC ON OFF VIP_DLC_ad_C OFF T0 T1 T2 T3 demo HD R 5G7BBrown5G9 AV_PAL VIP_DLC_dither ON OFF ...

Page 39: ...dithe r ON OFF VIP_UVC OFF ON ON_HD VIP_post_Yoffset OFF 0x05 VIP_post_Ygain RF_PAL RF_NTSC AV_PAL A V_NTSC YPBPR_HD YPBPR SD HDMI_HD HDMI_SD DT V_HD DTV_SD VIDEO1_HD VIDEO1_SD VIDEO2_HD VI DEO2_SD VIDEO_HD VIDE O_SD PHOTO_HD PHOTO_S D VIDEO_3D 0x36D OFF VIP_post_Cgain RF_PAL RF_NTSC AV_PAL A V_NTSC YPBPR_HD YPBPR SD HDMI_HD HDMI_SD DT V_HD DTV_SD VIDEO1_HD VIDEO1_SD VIDEO2_HD VI DEO2_SD VIDEO_HD ...

Page 40: ... C4 VIP_Hcoring_dith er OFF ON VIP_Ycbcr_Clip OFF SwDriver UC 1 UC_P MADI_UCNR_I OFF no_UC_I no_UC_P 3x3 RGB_offset OFF RGB_Clip OFF LinearRGB_bypas s ON OFF LinearRGB_de_ga mma OFF ON LinearRGB_DE_ GAMMA SRAM XVYCC ADOBE SRGB LinearRGB_de_ga mma_dither OFF ON LinearRGB_3x3 OFF LinearRGB_comp OFF LinearRGB_comp _dither OFF ON LinearRGB_clip OFF LinearRGB_gamm OFF ON ...

Page 41: ...OFF BS1 Blue_stretch_dithe r OFF ON Gamma ON OFF Gamma_dither OFF ON Post_CON_BRI OFF Clone_main_no_c omm Clone_sub_no_co mm MWE_diff_no_co mm 3DSettingForLBL _no_comm SettingFor2LineM ode_no_comm PEQ Off on overScan Overscan_reslutio n ATV AV YPBPR1 VGA HDMI 1 HDMI2 HDMI3 SCART DT V Overscan HSIZE 46 Overscan_HPOSI 9 ...

Page 42: ...UG HK AEON VDEC none CI Key USB upgrade ok NONLINEAR MODE DTV ATV AV YPBPR1 VGA HDMI1 HDMI2 HDMI3 SCAR T Brightness curve OSD_0 80 OSD_25 104 OSD 50 128 OSD 75 189 OSD_100 230 Contrast curve OSD_0 50 OSD_25 70 OSD 50 89 OSD 75 109 OSD_100 128 Saturation curve OSD_0 0 OSD_25 64 OSD 50 150 OSD 75 175 OSD_100 192 Hue curve OSD_0 0 ...

Page 43: ... 63 Volume curve OSD_0 0 OSD_25 25 OSD 50 50 OSD 75 75 OSD_100 100 Volume 100 Prescale 148 Dynamic backlight Panel 178 Panel 72 Panel 30 Panel 0 Panel swing 24 Panel swing 70 Panel swing 110 Panel swing 250 CI factory setting CI credential mode Test Nand library Performance monitor Off on Resource manager 0 ...

Page 44: ...mmunication 0 Content control 0 Host language control 0 CAM upgrade 0 Operate profile 0 Specific application support 0 Application_man_ machine_interface 0 Program map table 0 Host service shunning 0 Canal ready authentication 0 DEFAULT TX RX 0 Panel control Panel control panel LVDS_TI_MODE 1 TI_BITS_MODE 8BITS On time 30 ...

Page 45: ...tors can choose setting item orderly with and key font having background display represents the item has been chosen Press key to enter sub directory Use and keys on remote control to make up or down option and use and keys to set 2 All the menu functions are opened in factory mode item checking and effect testing can be done by using menu if it is needed 3 Switching TV signal in factory mode can ...

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