东芝使用1240机芯彩电IIC总线进入与调整

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机芯编号　1240机芯存储器数据交换或购买微处理器芯片　小信号处理芯片　存储器型号　所属机型　工厂模式√用户模式　进入方式 开机后，按本机音量减键不放至音量最小，然后同时按下遥控器的屏显键（DISPLAY），待屏幕显示“S1”后，即进入维修模式。调节方法及数据 维修模式分S1、S2二种状态，在S1下为主画面调整项，S2下为画中画调整项。因本机没有设置画中画功能，所以只需调整S1状态下的项目。S1状态下的调整项：项 目内 容调 节 范 围初 始 值RCUT红暗平衡00～FF20GCUT绿暗平衡00～FF20BCUT蓝暗平衡00～FF20GDRV绿亮平衡00～7F40BDRV蓝亮平衡00～7F40BRTC副亮度中心值00～7F41COLCNTSC-副色度中心值00～7F40TNTCNTSC-副色调中心值00～7F35COLSSECAM-副色度中心值00～7F40SCNT单亮度信号-副对比度00～0F08HPOS50Hz行中心00～1F0CVP5050Hz帧中心00～0705HIT50Hz帧幅00～3F2FVLIN50Hz帧线性00～0F09SBYSECAM B-Y消隐调整00～0F08SRYSECAM R-Y消隐调整00～0F08RAGC高放AGC00～3F22S1状态下的调整方法：在S1状态下，按遥控器MENU中的“↑、↓”键可选择调整项。选定调整项目后，再按“←、→”键可改变数值的大小。按-/--键，屏幕显示一条水平亮线，供调整加速极。按AV键出现测试信号，供维修调整用，每按一次AV键，改变一次显示内容，共14种信号。分NTSC、PAL二种制式：1240A与1240有相同的总线调试数据,如遇到1240的调试资料,请参照上述1240的调试资料介绍。1240机芯的总线数据有多种，根据不同的CPU版本有不同的总线数据， 见附表退出方式　备 注　【内容导航】 第1页：第2页：874v2.0的D 模式参数调整第3页：763 D 模式参数调整(87CM38N-3D27 V2.0)第4页：763 D 模式参数调整(87CM38N-3C76   V1.0)MODE0:BITFUNCTION0TC90A49 1:有梳状滤波器;0:无11:N制梳状滤波器;0:无21:关机有特殊效果;0:无31.有画中画；0.无4MSP3415D 1:有;0:无 ITT的丽音芯片5TC90A35 1:有;0:无 东芝的丽音芯片61:有SECAM;0:无71:用南美自动搜台方式;0:不用 MODE1:BITFUNCTION01:有图标10:100频道;1:218频道21:开机有特殊效果;0:无30:OSD无背景;1:有40:2路AV;1:3路AV50:无重低音;1:有60:从0频道开始搜台;1:从当前频道开始搜台70:开机正极性;1:开机负极性 MODE2:BITFUNCTION00:无M;1:有10:无I;1:有20:无BG;1:有30:无DK;1:有40.无；1.有SRS_MONO_GAIN50.无；1.有SRS_STEREO261:有开机LOGO7未用上一页1【内容导航】 第1页：第2页：874v2.0的D 模式参数调整第3页：763 D 模式参数调整(87CM38N-3D27 V2.0)第4页：763 D 模式参数调整(87CM38N-3C76   V1.0)参数名参数描述默认值OSD位置OSD的起始位置00OPT选项OPTION，详细说明附后06RCUTR CUT OFF 红截止20GCUTG CUT OFF 绿截止20BCUTB CUT OFF 兰截止20GDRVG DRIVE 绿驱动40BDRVB DRIVE 兰驱动40CNTXSUB CONTRAST MAX 副对比度最大值32BRTCSUB BRIGHT CENTER 副亮度中间值40COLCSUB COLOR CENTER FOR NTSC 副彩色中间值（NTSC）40TNTCSUB TINT CENTER 副色调中间值40COLPSUB COLOR CENTER FOR PAL 副色度中间值（PAL）00COLSSUB COLOR CENTER FOR SECAM 副色度中间值（SECAM）40SCNTY-SUB CONTRAST Y信号副对比度 08CNTCSUB CONTRASRT CENTER 副对比度中间值20CNTNSUB CONTRASRT MINIMUM 副对比度最小值08BRTXSUB BRIGHT MAX 副亮度最大值20BRTNSUB BRIGHT MINIMUM 副亮度最小值20COLXSUB COLOR MAX 副色度最大值35COLNSUB COLOR MINIMUM 副色度最小值00TNTXSUB TINT MAX 副色调最大值28TNTNSUB TINT MINIMUM 副色调最小值28ST3SUB SHARP CENTER NTSC3.58 IN TV副画质中间值（NTSC3.58 IN TV）20SV3SUB SHARP CENTER NTSC3.58 IN VIDEO副画质中间值（NTSC3.58 IN VIDEO）20ST4SUB SHARP CENTER OTHER COLOR SYSTEM IN TV副画质中间值（OTHER COLOR SYSTEM IN TV）20SV4SUB SHARP CENTER OTHER COLOR SYSTEM IN VIDEO副画质中间值（OTHER COLOR SYSTEM IN VIDEO）20SHPXSUB SHARPNESS MAX POINTS FROM CENTER VALUE 副画质最大值1ASHPNSUB SHARPNESS MIN POINTS FROM CENTER VALUE 副画质最小值1ATXCXRGB CONTRAST DATA AT MAX DATA OF USER CONTRAST OSD 对比度的最大值3FRGCNRGB CONTRAST DATA AT MIN DATA OF USER CONTRAST OSD 对比度的最小值16VM0VCD 模式设置，详细附后7CVM1VCD 模式设置，详细附后00HPOS50Hz HORIZONTAL PHASE 50HZ 水平相位（行中心）11VP5050 HZ VERTICAL PHASE 50HZ 场中心03HIT50HZ VERTICAL AMPLITUDE 50HZ 场幅度20HPSSHIFT DAT OF 50/60HZ HORIZONTAL PHASE 行中心偏移量04VP6060HZ VERTICAL PHASE 60HZ 场中心01HITSSHIFT DATA OF 50/60 HZ HORIZONTAL PHASE 场中心偏移量02VLINV-LINEARITY 场线性08VSLV-S CORRECTION 场S60VLISSHIFT DATA OF 50/60 HZ V LINEARITY 场线性偏移量FFDPC50HZ E-W PARABOLA 50 HZ 枕校00CPCS60HZ E-W PARABOLA 60 HZ 枕校00KEY50HZ TRAPEZIUM 50 HZ 梯形00KEYS60HZ TRAPEZIUM 60 HZ 梯形00WID50HZ PICTURE WIDTH 50 HZ 行幅00WIDS60HZ PICTURE WIDTH 60 HZ 行幅00CNRE-W CORNER 四角东西校正00VEHT帧-高压下尺寸的调整03HEHT行-高压下尺寸的调整03SBYSECAM B-Y08SRYSECAM R-Y08AGCRF AGC ADJUSTMENT RF AGC 调整30VCOPIF VCO ADJUSTMENT PIF VCO 调整40HAFC1/2 AFC DATA ADJUSTMENT AFC调整00V25VOLUME OUTPUT DATA AT 25%3DV50VOLUME OUTPUT DATA AT 50%57BRTSSUB BRIGHTNESS 副亮度00VM2VCD 模式 详情附后34MODE0详情附后4BMODE1详情附后E0MODE2详情附后0FSELFSELECTION OF THE OUTPUT OF PIN 4 OF TB124000SELF-VCOPRESET DATA OF AFT VOLTAGE 80SELF-AGCPRESET DATA OF 1/2AGC VOLTAGE69SELF-BRTCPRESET DATA OF VOLTAGE BETWEEN BLACK LEVEL AND VSS75SELF-CNTCPRESET DATA OF VOLTAGE BETWEEN BLACK LEVEL AND WHITE LEVEL23SELF-TNTCPRESET DATA OF VOLTAGE BETWEEN BLACK LEVEL AND WHITE LEVEL00SELF-COLPRESET DATA OF VOLTAGE BETWEEN RED LEVEL AND MAGENTA LEVEL20LOGO左边界LOGO设置0BLOGO 右边界LOGO设置7FLOGO上边界LOGO设置0ELOGO 下边界LOGO 设置46WAIT TIME开机等待时间3FOPT：BITFUNCTION0Mute ON/OFF when B.B is OFFｉｎ　ＮＯSignal(=1:OFF)1EXT_Mute ON/OFF when B.B is OFFｉｎ　ＮＯSignal(=1:OFF)2V_Mute ON/OFF when ＣＨ changes(=1:ON)3AUDIO GAIN SW of tb12404Not VT Down of AFT when No Signal(=1)5Exmute unuse6Not use7Not use VMO：BITFUNCTION0ID-SW ID sensitivity 0:Normal;1:Low1WPS 0:ON;1:OFF White Peak Suppressor2ABL-Gain 00:-0.74;01:-0.64;10:-0.37;11:-0.12v34ABL Start Point 00:-0.01;01:-0.11;10:-0.3;11:-0.45v56CW-SW Set TB1240 P29 Fsc CW output Frequency 0:4.43MHz;1:Auto(aCCording to color system)7F-ID 0:Killer ON;1:Killer OFF at forced color systemVM1：BITFUNCTION0BLK(Blanking SW) 0:ON;1:OFF1V-Mute Timing=200ms+8ms*Data23456N-COM(NTSC Comb Switch)0:ON;1:OFF7V-MOD (TB1231)VM2:BITFUNCTION0AFT ON of TB1240 0:Norma;1:AFT MUTE OFF1SECAM Adjustment of B1240 0:Normal;1:ON2V-MOD of TB12403PIF-VCO adjust mode on of TB12404SHOP OUT audio system setting:00:no use;01:I;02:B/G;03:D/K56V-MUTE selection 0:Y-MUTE 1:RGB Out-Cut Off DC7No useMODE0:BITFUNCTION01.拉幕；0.淡入淡出11:有兰背景;0:无21:有TA8776;0:无31:有TA8859;0:无4TC9090F 1:有梳状滤波器;0:无51:有TB1212;0:无 61:有SECAM;0:无7No useMODE1:BITFUNCTION01.开机有特殊效果；0.无10:丛0频道开始搜台;1:丛当前频道开始搜台21.关机有特殊效果；0.无31.有背景窗口；0.无41.TV、VIDEO1、VIDEO2（S-VIDEO）；0.TV、VIDEO51.游戏；0.无61.38；0.38.970:开机负极性;1:开机正极性MODE2:BITFUNCTION00:无M;1:有10:无I;1:有20:无BG;1:有30:无DK;1:有40:无;1:英文菜单50:无;1:中文菜单60:无;1:阿文菜单70:单;1:多语言菜单以上设置均为推荐值，仅供参考使用，最终设置值应由硬件工程师根据具体情况具体设置。上一页12【内容导航】 第1页：第2页：874v2.0的D 模式参数调整第3页：763 D 模式参数调整(87CM38N-3D27 V2.0)第4页：763 D 模式参数调整(87CM38N-3C76   V1.0)参数名参数描述默认值OSD位置OSD的起始位置00OPT选项OPTION，详细说明附后07RCUTR CUT OFF 红截止20GCUTG CUT OFF 绿截止20BCUTB CUT OFF 兰截止20GDRVG DRIVE 绿驱动40BDRVB DRIVE 兰驱动40CNTXSUB CONTRAST MAX 副对比度最大值32BRTCSUB BRIGHT CENTER 副亮度中间值40COLCSUB COLOR CENTER FOR NTSC 副彩色中间值（NTSC）40TNTCSUB TINT CENTER 副色调中间值40COLPSUB COLOR CENTER FOR PAL 副色度中间值（PAL）00COLSSUB COLOR CENTER FOR SECAM 副色度中间值（SECAM）40SCNTY-SUB CONTRAST Y信号副对比度 08CNTCSUB CONTRASRT CENTER 副对比度中间值20CNTNSUB CONTRASRT MINIMUM 副对比度最小值08BRTXSUB BRIGHT MAX 副亮度最大值20BRTNSUB BRIGHT MINIMUM 副亮度最小值20COLXSUB COLOR MAX 副色度最大值35COLNSUB COLOR MINIMUM 副色度最小值00TNTXSUB TINT MAX 副色调最大值28TNTNSUB TINT MINIMUM 副色调最小值28ST3SUB SHARP CENTER NTSC3.58 IN TV副画质中间值（NTSC3.58 IN TV）20SV3SUB SHARP CENTER NTSC3.58 IN VIDEO副画质中间值（NTSC3.58 IN VIDEO）20ST4SUB SHARP CENTER OTHER COLOR SYSTEM IN TV副画质中间值（OTHER COLOR SYSTEM IN TV）20SV4SUB SHARP CENTER OTHER COLOR SYSTEM IN VIDEO副画质中间值（OTHER COLOR SYSTEM IN VIDEO）20SHPXSUB SHARPNESS MAX POINTS FROM CENTER VALUE 副画质最大值1ASHPNSUB SHARPNESS MIN POINTS FROM CENTER VALUE 副画质最小值1ATXCXRGB CONTRAST DATA AT MAX DATA OF USER CONTRAST OSD 对比度的最大值3FRGCNRGB CONTRAST DATA AT MIN DATA OF USER CONTRAST OSD 对比度的最小值16VM0VCD 模式设置，详细附后7CVM1VCD 模式设置，详细附后00HPOS50Hz HORIZONTAL PHASE 50HZ 水平相位（行中心）11VP5050 HZ VERTICAL PHASE 50HZ 场中心03HIT50HZ VERTICAL AMPLITUDE 50HZ 场幅度20HPSSHIFT DAT OF 50/60HZ HORIZONTAL PHASE 行中心偏移量04VP6060HZ VERTICAL PHASE 60HZ 场中心01HITSSHIFT DATA OF 50/60 HZ HORIZONTAL PHASE 场中心偏移量02VLINV-LINEARITY 场线性08VSLV-S CORRECTION 场S60VLISSHIFT DATA OF 50/60 HZ V LINEARITY 场线性偏移量FFDPC50HZ E-W PARABOLA 50 HZ 枕校00CPCS60HZ E-W PARABOLA 60 HZ 枕校00KEY50HZ TRAPEZIUM 50 HZ 梯形00KEYS60HZ TRAPEZIUM 60 HZ 梯形00WID50HZ PICTURE WIDTH 50 HZ 行幅00WIDS60HZ PICTURE WIDTH 60 HZ 行幅00CNRE-W CORNER 四角东西校正00VEHT帧-高压下尺寸的调整03HEHT行-高压下尺寸的调整03SBYSECAM B-Y08SRYSECAM R-Y08AGCRF AGC ADJUSTMENT RF AGC 调整30VCOPIF VCO ADJUSTMENT PIF VCO 调整40HAFC1/2 AFC DATA ADJUSTMENT AFC调整00V25VOLUME OUTPUT DATA AT 25%3DV50VOLUME OUTPUT DATA AT 50%57BRTSSUB BRIGHTNESS 副亮度00VM2VCD 模式 详情附后34MODE0详情附后4BMODE1详情附后E0MODE2详情附后0FSELFSELECTION OF THE OUTPUT OF PIN 4 OF TB124000SELF-VCOPRESET DATA OF AFT VOLTAGE 80SELF-AGCPRESET DATA OF 1/2AGC VOLTAGE69SELF-BRTCPRESET DATA OF VOLTAGE BETWEEN BLACK LEVEL AND VSS75SELF-CNTCPRESET DATA OF VOLTAGE BETWEEN BLACK LEVEL AND WHITE LEVEL23SELF-TNTCPRESET DATA OF VOLTAGE BETWEEN BLACK LEVEL AND WHITE LEVEL00SELF-COLPRESET DATA OF VOLTAGE BETWEEN RED LEVEL AND MAGENTA LEVEL20LOGO左边界LOGO设置0BLOGO 右边界LOGO设置7FLOGO上边界LOGO设置0ELOGO 下边界LOGO 设置46WAIT TIME开机等待时间3FOPT：BITFUNCTION0Mute ON/OFF when B.B is OFFｉｎ　ＮＯSignal(=1:OFF)1EXT_Mute ON/OFF when B.B is OFFｉｎ　ＮＯSignal(=1:OFF)2V_Mute ON/OFF when ＣＨ changes(=1:ON)3AUDIO GAIN SW of tb12404Not VT Down of AFT when No Signal(=1)5Exmute unuse6Not use7Not useVMO：BITFUNCTION0ID-SW ID sensitivity 0:Normal;1:Low1WPS 0:ON;1:OFF White Peak Suppressor2ABL-Gain 00:-0.74;01:-0.64;10:-0.37;11:-0.12v34ABL Start Point 00:-0.01;01:-0.11;10:-0.3;11:-0.45v56CW-SW Set TB1240 P29 Fsc CW output Frequency 0:4.43MHz;1:Auto(aCCording to color system)7F-ID 0:Killer ON;1:Killer OFF at forced color systemVM1：BITFUNCTION0BLK(Blanking SW) 0:ON;1:OFF1V-Mute Timing=200ms+8ms*Data23456N-COM(NTSC Comb Switch)0:ON;1:OFF7V-MOD (TB1231)VM2:BITFUNCTION0AFT ON of TB1240 0:Norma;1:AFT MUTE OFF1SECAM Adjustment of B1240 0:Normal;1:ON2V-MOD of TB12403PIF-VCO adjust mode on of TB12404SHOP OUT audio system setting:00:no use;01:I;02:B/G;03:D/K56V-MUTE selection 0:Y-MUTE 1:RGB Out-Cut Off DC7No useMODE0:BITFUNCTION01.拉幕；0.淡入淡出11:有兰背景;0:无21:有TA8776;0:无31:有TA8859;0:无4TC9090F 1:有梳状滤波器;0:无51:有TB1212;0:无 61:有SECAM;0:无7No useMODE1:BITFUNCTION01.开机有特殊效果；0.无10:丛0频道开始搜台;1:丛当前频道开始搜台21.关机有特殊效果；0.无31.有背景窗口；0.无41.TV、VIDEO1、VIDEO2（S-VIDEO）；0.TV、VIDEO51.游戏；0.无61.38；0.38.970:开机负极性;1:开机正极性MODE2:BITFUNCTION00:无M;1:有10:无I;1:有20:无BG;1:有30:无DK;1:有40:无;1:英文菜单50:无;1:中文菜单60:无;1:阿文菜单70:单;1:多语言菜单 以上设置均为推荐值，仅供参考使用，最终设置值应由硬件工程师根据具体情况具体设置。上一页123【内容导航】 第1页：第2页：874v2.0的D 模式参数调整第3页：763 D 模式参数调整(87CM38N-3D27 V2.0)第4页：763 D 模式参数调整(87CM38N-3C76   V1.0)