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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Hi all, I used WinDAS to adjust G2 on an overbright Sony F500R monitor, and want to learn about a few of the other registers,
especially 22-38 and the relationships between them (full dump copied below). Google was useless. In general are these registers standard across monitor manufacturers? From the names I'm thinking a few of mine may be way off, e.g. the "MAX"'s in some cases are lower than the "CENT"'s. Also if anyone has data sets for this monitor, especially unmodified factory sets, or has WinDAS & a service cable and can get me one, please respond. Thanks. Mike REG# ** LABEL ** VALUE NOTES 1 ** G2 ** 115 Factory setting (139) caused overbrightness 2 ** DRV_ZERO_LEVEL ** 0 3 ** DRIVE_MIN ** 0 4 ** DRIVE_MAX ** 250 5 ** dummy4 ** SKIP 6 ** dummy5 ** SKIP 7 ** SRGB_CONT ** 225 8 ** SRGB_BRT ** 75 9 ** dummy8 ** SKIP 10 ** dummy9 ** SKIP 11 ** dummy10 ** SKIP 12 ** dummy11 ** SKIP 13 ** dummy12 ** SKIP 14 ** REG13 ** 2 15 ** REG14 ** 2 16 ** REG15 ** 0 17 ** OSD_ENLARGE_LIN ** 102 18 ** REG17 ** 35 19 ** REG18 ** 177 20 ** REG19 ** 37 21 ** REG20 ** 80 22 ** R_DRV_CONT_MIN ** 200 23 ** R_DRV_CONT_MAX ** 200 24 ** G_DRV_CONT_MIN ** 150 25 ** G_DRV_CONT_MAX ** 150 26 ** B_DRV_CONT_MIN ** 150 27 ** B_DRV_CONT_MAX ** 150 28 ** R_BKG_BRT_CENT ** 100 29 ** R_BKG_BRT_MAX ** 86 30 ** G_BKG_BRT_CENT ** 140 31 ** G_BKG_BRT_MAX ** 125 32 ** B_BKG_BRT_CENT ** 125 33 ** B_BKG_BRT_MAX ** 105 34 ** CONT_MIN ** 30 35 ** CON_MAX_BR_CENT ** 150 36 ** CON_MAX_BRT_MAX ** 115 37 ** BRIGHTNESS_CENT ** 125 38 ** BRIGHTNESS_MAX ** 170 39 ** R_USER_DRIVE ** 151 40 ** G_USER_DRIVE ** 139 41 ** B_USER_DRIVE ** 142 42 ** R_USER_BKG ** 128 43 ** G_USER_BKG ** 128 44 ** B_USER_BKG ** 128 45 ** REG44 ** 60 46 ** USER_COLOR_FLAG ** 2 47 ** H_FREQ ** 1078 48 ** COLOR_MODE ** 1 49 ** REG48 ** 128 50 ** REG49 ** 128 51 ** dummy50 ** SKIP 52 ** dummy51 ** SKIP 53 ** LCC_NS ** 128 54 ** REG53 ** 10 55 ** REG54 ** 115 56 ** REG55 ** 77 57 ** REG56 ** 10 58 ** REG57 ** 80 59 ** dummy58 ** SKIP 60 ** dummy59 ** SKIP 61 ** dummy60 ** SKIP 62 ** REG61 ** 140 63 ** REG62 ** 120 64 ** REG63 ** 149 65 ** dummy64 ** SKIP 66 ** REG65 ** 42 67 ** REG66 ** 58 68 ** REG67 ** 38 69 ** REG68 ** 58 70 ** REG69 ** 2 71 ** REG70 ** 186 72 ** REG71 ** 18 73 ** REG72 ** 30 74 ** REG73 ** 155 75 ** REG74 ** 120 76 ** REG75 ** 110 77 ** REG76 ** 90 78 ** dummy77 ** SKIP 79 ** REG78 ** 75 80 ** REG79 ** 60 81 ** REG80 ** 92 82 ** REG81 ** 75 83 ** REG82 ** 53 84 ** REG83 ** 75 85 ** REG84 ** 4 86 ** REG85 ** 128 87 ** REG86 ** 30 88 ** REG87 ** 0 89 ** REG88 ** 150 90 ** REG89 ** 180 91 ** REG90 ** 255 92 ** dummy91 ** SKIP 93 ** TDT_S_CAP ** 7 94 ** REG93 ** 210 95 ** REG94 ** 140 96 ** dummy95 ** SKIP 97 ** dummy96 ** SKIP 98 ** REG97 ** 2 99 ** REG98 ** 10 100 ** SIGNAL_INDEX ** 17 101 ** V_BLK_WIDTH_MIN ** 115 102 ** V_BLK_WIDTH_MAX ** 115 103 ** REG102 ** 115 104 ** H_PHASE ** 149 105 ** H_SIZE ** 114 106 ** V_CENTER ** 148 107 ** V_SIZE ** 132 108 ** PIN ** 136 109 ** PIN_BAL ** 128 110 ** KEY ** 128 111 ** KEY_BAL ** 128 112 ** MOIRE_CANCEL_SW ** 0 113 ** MOIRE_LEVEL ** 0 114 ** H_CENT_LO_FH ** 128 115 ** H_CENT_MD_FH ** 128 116 ** H_LIN_MD_FH ** 200 117 ** H_CENT_HI_FH ** 128 118 ** REG117 ** 0 119 ** H_LIN_LO_FH ** 22 120 ** H_LIN_HI_FH ** 140 121 ** H_PHASE_SHIFT ** 350 122 ** H_SIZE_ORIGIN ** 174 123 ** H_SIZE_MAX ** 200 124 ** VDC_MODE ** 0 125 ** VDC_INIT_1 ** 1000 126 ** VDC_INIT_2 ** 1400 127 ** V_SHAPE_LVL_1 ** 900 128 ** V_SHAPE_LVL_2 ** 1600 129 ** REG128 ** 1444 130 ** REG129 ** 3590 131 ** REG130 ** 3422 132 ** REG131 ** 4253 133 ** REG132 ** 5671 134 ** V_LIN ** 128 135 ** VLIN_BAL ** 128 136 ** REG135 ** 6 137 ** PIN_FOR_HSIZE ** 8 138 ** REG137 ** 128 139 ** PIN_BAL_LO_FH ** 128 140 ** PIN_BAL_MD_FH ** 128 141 ** dummy140 ** SKIP 142 ** PIN_BAL_HI_FH ** 128 143 ** S_PIN ** 130 144 ** S_PIN_BAL ** 128 145 ** C_BOW ** 177 146 ** C_BOW_BAL ** 130 147 ** SC_BOW_TOP ** 128 148 ** SC_BOW_BTM ** 128 149 ** H_FP ** 406 150 ** H_SBP ** 2438 151 ** V_TTL_LINE ** 1072 152 ** V_FP ** 1 153 ** V_SBP ** 47 154 ** ASC_TARGET_H_SI ** 64 155 ** ASC_TARGET_V_SI ** 191 156 ** ASC_HFP_OFFSET ** 208 157 ** ASC_MEAS_TOL ** 1 158 ** ASC_HSBP_OFFSET ** 48 159 ** REG158 ** 200 160 ** REG159 ** 200 161 ** dummy160 ** SKIP 162 ** REG161 ** 200 163 ** ASC_ADJ_H_SIZ_1 ** 64 164 ** ASC_ADJ_H_SIZ_2 ** 88 165 ** ASC_H_SIZE_1 ** 85 166 ** ASC_H_SIZE_2 ** 128 167 ** HPHS_OFFSET_LO ** 256 168 ** HPHS_OFFSET_MD ** 256 169 ** dummy168 ** SKIP 170 ** HPHS_OFFSET_HI ** 256 171 ** ASC_HSIZE_43 ** 88 172 ** ASC_HSIZE_54 ** 64 173 ** ASC_HPHS_DEF ** 128 174 ** ASC_HPHS_PLUS ** 254 175 ** ASC_DISABLE_ACT ** 65 176 ** ADJ_V_SIZE ** 191 177 ** ZM_ADJ_V_SIZE_1 ** 160 178 ** ZM_ADJ_V_SIZE_2 ** 14 179 ** ZM_V_SIZE_1 ** 160 180 ** ZM_V_SIZE_2 ** 191 181 ** ZM_V_ACT_RATIO ** 230 182 ** REG181 ** 240 183 ** BCF_R_CRCT ** 128 184 ** BCF_G_CRCT ** 128 185 ** BCF_B_CRCT ** 128 186 ** CONTRAST ** 192 187 ** BRIGHTNESS ** 188 188 ** COLOR_INDEX ** 2 189 ** H_CONV ** 140 190 ** V_CONV ** 112 191 ** V_CONV_TOP ** 119 192 ** V_CONV_BTM ** 146 193 ** TILT ** 128 194 ** REG193 ** 0 195 ** dummy194 ** SKIP 196 ** LCC_LT ** 128 197 ** LCC_RT ** 128 198 ** LCC_LB ** 128 199 ** LCC_RB ** 128 200 ** REG199 ** 0 201 ** REG200 ** 255 202 ** LANGUAGE ** 1 203 ** KEY_LOCK ** 0 204 ** REG203 ** 29 205 ** REG204 ** 122 206 ** REG205 ** 47 207 ** REG206 ** 161 208 ** REG207 ** 31 209 ** dummy208 ** SKIP 210 ** dummy209 ** SKIP 211 ** REG210 ** 106 212 ** dummy211 ** SKIP 213 ** REG212 ** 50 214 ** REG213 ** 55 215 ** REG214 ** 100 216 ** REG215 ** 10 217 ** REG216 ** 100 218 ** REG217 ** 70 219 ** REG218 ** 80 220 ** ABL_SHUTDW_LMT ** 101 221 ** ABL_CONT_LIMIT ** 76 222 ** REG221 ** 10 223 ** REG222 ** 5 224 ** REG223 ** 88 225 ** REG224 ** 64 226 ** REG225 ** 43 227 ** REG226 ** 5 228 ** REG227 ** 10 229 ** REG228 ** 63 230 ** REG229 ** 154 231 ** REG230 ** 30 232 ** REG231 ** 0 233 ** REG232 ** 0 234 ** REG233 ** 0 235 ** REG234 ** 0 236 ** REG235 ** 95 237 ** REG236 ** 1270 238 ** REG237 ** 10 239 ** REG238 ** 10 240 ** REG239 ** 210 241 ** REG240 ** 160 242 ** SHUTDOWN_LOG_0 ** 0 243 ** SHUTDOWN_LOG_1 ** 0 244 ** N_FACT_PRESET ** 4 245 ** NEXT_USER_MODE ** 4 246 ** FUNCTION_SW ** 7 247 ** CHARACTER_SW ** 1 248 ** TABLE_SW ** 15 249 ** LCC_SW ** 15 250 ** OPERATION_TYPE ** 0 251 ** OSD_TYPE ** 0 252 ** KEY_PAD_TYPE ** 8 253 ** INPUT_SEL ** 0 254 ** LAST_POWER ** 0 |
#2
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#4
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On Jan 20, 6:44*am, wrote:
Hi all, I used WinDAS to adjust G2 on an overbright Sony F500R monitor, and want to learn about a few of the other registers, especially 22-38 and the relationships between them (full dump copied below). Google was useless. In general are these registers standard across monitor manufacturers? Some names are familiar. Your "G2" means the second grid of the CRT, and determines the overall brightness (and needs correction often as the tube ages). A 'readjustment' of a color monitor is potentially complex, it seems like most things we used to do with screwdrivers are now 0-255 range binary numbers, probably for one or several 8-bit DACs. (about registers 28-33) Red, green, blue blanking levels (the cutoff 'black' setting) might have a 'center' value so one can start the adjustment procedure at a neutral value (we used to center the ranges first, set G2 or "screen" and go from there). The "max" might mean maximum value of the voltage, not necessarily maximum integer in the DAC register... then when the 'zero' brightness values are set you adjust gains of the video amplifiers, i.e. 'drive' (registers 22...27) Sizing and centering the screen with (104...107) Pincushion and pincushion balance adjustments(108...109) are for barrel distortion (or inverse barrel == pincushion) Keystone (get this wrong and the rectangles come out as rhombuses) (110...111) REG# ** LABEL ** VALUE NOTES 1 ** G2 ** 115 Factory setting (139) caused overbrightness 2 ** DRV_ZERO_LEVEL ** 0 3 ** DRIVE_MIN ** 0 4 ** DRIVE_MAX ** 250 5 ** dummy4 ** SKIP 6 ** dummy5 ** SKIP 7 ** SRGB_CONT ** 225 8 ** SRGB_BRT ** 75 9 ** dummy8 ** SKIP 10 ** dummy9 ** SKIP 11 ** dummy10 ** SKIP 12 ** dummy11 ** SKIP 13 ** dummy12 ** SKIP 14 ** REG13 ** 2 15 ** REG14 ** 2 16 ** REG15 ** 0 17 ** OSD_ENLARGE_LIN ** 102 18 ** REG17 ** 35 19 ** REG18 ** 177 20 ** REG19 ** 37 21 ** REG20 ** 80 22 ** R_DRV_CONT_MIN ** 200 23 ** R_DRV_CONT_MAX ** 200 24 ** G_DRV_CONT_MIN ** 150 25 ** G_DRV_CONT_MAX ** 150 26 ** B_DRV_CONT_MIN ** 150 27 ** B_DRV_CONT_MAX ** 150 28 ** R_BKG_BRT_CENT ** 100 29 ** R_BKG_BRT_MAX ** 86 30 ** G_BKG_BRT_CENT ** 140 31 ** G_BKG_BRT_MAX ** 125 32 ** B_BKG_BRT_CENT ** 125 33 ** B_BKG_BRT_MAX ** 105 34 ** CONT_MIN ** 30 35 ** CON_MAX_BR_CENT ** 150 36 ** CON_MAX_BRT_MAX ** 115 37 ** BRIGHTNESS_CENT ** 125 38 ** BRIGHTNESS_MAX ** 170 39 ** R_USER_DRIVE ** 151 40 ** G_USER_DRIVE ** 139 41 ** B_USER_DRIVE ** 142 42 ** R_USER_BKG ** 128 43 ** G_USER_BKG ** 128 44 ** B_USER_BKG ** 128 45 ** REG44 ** 60 46 ** USER_COLOR_FLAG ** 2 47 ** H_FREQ ** 1078 48 ** COLOR_MODE ** 1 ..... 100 ** SIGNAL_INDEX ** 17 101 ** V_BLK_WIDTH_MIN ** 115 102 ** V_BLK_WIDTH_MAX ** 115 103 ** REG102 ** 115 104 ** H_PHASE ** 149 105 ** H_SIZE ** 114 106 ** V_CENTER ** 148 107 ** V_SIZE ** 132 108 ** PIN ** 136 109 ** PIN_BAL ** 128 110 ** KEY ** 128 111 ** KEY_BAL ** 128 112 ** MOIRE_CANCEL_SW ** 0 113 ** MOIRE_LEVEL ** 0 .... and lots more... |
#5
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whit3rd, thanks. Very useful info.
Apologies for the top post. Mike "whit3rd" wrote in message ... On Jan 20, 6:44 am, wrote: Hi all, I used WinDAS to adjust G2 on an overbright Sony F500R monitor, and want to learn about a few of the other registers, especially 22-38 and the relationships between them (full dump copied below). Google was useless. In general are these registers standard across monitor manufacturers? Some names are familiar. Your "G2" means the second grid of the CRT, and determines the overall brightness (and needs correction often as the tube ages). A 'readjustment' of a color monitor is potentially complex, it seems like most things we used to do with screwdrivers are now 0-255 range binary numbers, probably for one or several 8-bit DACs. (about registers 28-33) Red, green, blue blanking levels (the cutoff 'black' setting) might have a 'center' value so one can start the adjustment procedure at a neutral value (we used to center the ranges first, set G2 or "screen" and go from there). The "max" might mean maximum value of the voltage, not necessarily maximum integer in the DAC register... then when the 'zero' brightness values are set you adjust gains of the video amplifiers, i.e. 'drive' (registers 22...27) Sizing and centering the screen with (104...107) Pincushion and pincushion balance adjustments(108...109) are for barrel distortion (or inverse barrel == pincushion) Keystone (get this wrong and the rectangles come out as rhombuses) (110...111) REG# ** LABEL ** VALUE NOTES 1 ** G2 ** 115 Factory setting (139) caused overbrightness 2 ** DRV_ZERO_LEVEL ** 0 3 ** DRIVE_MIN ** 0 4 ** DRIVE_MAX ** 250 5 ** dummy4 ** SKIP 6 ** dummy5 ** SKIP 7 ** SRGB_CONT ** 225 8 ** SRGB_BRT ** 75 9 ** dummy8 ** SKIP 10 ** dummy9 ** SKIP 11 ** dummy10 ** SKIP 12 ** dummy11 ** SKIP 13 ** dummy12 ** SKIP 14 ** REG13 ** 2 15 ** REG14 ** 2 16 ** REG15 ** 0 17 ** OSD_ENLARGE_LIN ** 102 18 ** REG17 ** 35 19 ** REG18 ** 177 20 ** REG19 ** 37 21 ** REG20 ** 80 22 ** R_DRV_CONT_MIN ** 200 23 ** R_DRV_CONT_MAX ** 200 24 ** G_DRV_CONT_MIN ** 150 25 ** G_DRV_CONT_MAX ** 150 26 ** B_DRV_CONT_MIN ** 150 27 ** B_DRV_CONT_MAX ** 150 28 ** R_BKG_BRT_CENT ** 100 29 ** R_BKG_BRT_MAX ** 86 30 ** G_BKG_BRT_CENT ** 140 31 ** G_BKG_BRT_MAX ** 125 32 ** B_BKG_BRT_CENT ** 125 33 ** B_BKG_BRT_MAX ** 105 34 ** CONT_MIN ** 30 35 ** CON_MAX_BR_CENT ** 150 36 ** CON_MAX_BRT_MAX ** 115 37 ** BRIGHTNESS_CENT ** 125 38 ** BRIGHTNESS_MAX ** 170 39 ** R_USER_DRIVE ** 151 40 ** G_USER_DRIVE ** 139 41 ** B_USER_DRIVE ** 142 42 ** R_USER_BKG ** 128 43 ** G_USER_BKG ** 128 44 ** B_USER_BKG ** 128 45 ** REG44 ** 60 46 ** USER_COLOR_FLAG ** 2 47 ** H_FREQ ** 1078 48 ** COLOR_MODE ** 1 ..... 100 ** SIGNAL_INDEX ** 17 101 ** V_BLK_WIDTH_MIN ** 115 102 ** V_BLK_WIDTH_MAX ** 115 103 ** REG102 ** 115 104 ** H_PHASE ** 149 105 ** H_SIZE ** 114 106 ** V_CENTER ** 148 107 ** V_SIZE ** 132 108 ** PIN ** 136 109 ** PIN_BAL ** 128 110 ** KEY ** 128 111 ** KEY_BAL ** 128 112 ** MOIRE_CANCEL_SW ** 0 113 ** MOIRE_LEVEL ** 0 .... and lots more... |
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