7
FOR FEATURE BOX (A8 ONLY)
5V & 8V SHORT CIRCUIT CHECK USING FEATURE BOX BOARD
•
Measure the resistance between 5V (EU11, pin1) and GND (EU11, pin3) by multi-meter. If the meter shows 62.5 ± 4
Ω
,
The FEATURE BOX is OK.
•
Measure the resistance between 8V (EU11, pin6) and GND (EU11, pin3) by multi-meter. If the meter shows 1.29 ± 0.1k
Ω
,
The FEATURE BOX is OK.
If these resistance are not correct, Please check solder bridge or solder losing around IU03 (SDA9272).
FEATURE BOX OPERATION CHECK
•
Fit FEATURE BOX onto main board.
•
Receiving circle pattern (PAL), checking the picture quality.
Check
: Horizontal line is stable (see horizontal line). <-----
Only for 2897,W35 models Colour bar part is correct (see colour bar). White part of picture is pure white(see greyscale).
•
Check the progressive scan/100Hz operation by handset (scan-key) <----Only for 2897,W35 models.
•
Change sharpness , CTI , compression (14:9, 4:3 & zoom), noise reduction (low, mid & high) by handset. Check the total
performance. Whenever digital noise is appears on the picture, or miss operation occurs, reject the feature box.
Receive an NTSC signal , check same items as PAL.
Summary of Contents for C28W40TN
Page 29: ...28 GENERAL BLOCK DIAGRAM ...
Page 91: ...90 CASE DE FONCTIONS EXTRÉMITÉ HAUTE CASE FONCTIONS EXTRÉMITÉ BASSE ...
Page 102: ...101 SCHÉMA SYNOPTIQUE ...
Page 165: ...164 HÖHERE FEATURE BOX NIEDRIGE FEATURE BOX ...
Page 177: ...176 BLOCKSCHALTBILD ...
Page 200: ...199 ...
Page 225: ...224 WAVEFORMS ...
Page 226: ...225 ...
Page 227: ...226 ...
Page 228: ...227 ...
Page 229: ...228 ...
Page 230: ...229 IC DATA I200 ...
Page 231: ...230 ...
Page 232: ...231 ...
Page 233: ...232 IE01 ...
Page 234: ...233 ...
Page 235: ...234 IE02 ...
Page 236: ...235 ...
Page 237: ...236 ...
Page 238: ...237 MECHANICAL ...
Page 239: ...239 C32W35TN ...
Page 240: ...240 C32W35TN ...
Page 241: ...241 C32W35TN ...
Page 242: ...242 CL28W35TAN ...
Page 243: ...243 CL28W35TAN ...
Page 244: ...244 CL28W35TAN ...
Page 245: ...245 CL32W35TAN ...
Page 246: ...246 CL32W5TAN ...
Page 247: ...247 C35W35TN CL28W35TAN CL32W5TAN ...
Page 248: ...248 C35W35TN CL28W35TAN CL32W5TAN ...
Page 249: ...249 C35W35TN CL28W35TAN CL32W5TAN ...
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Page 251: ...251 C35W35TN CL28W35TAN CL32W5TAN ...
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Page 255: ...255 C35W35TN CL28W35TAN CL32W5TAN ...
Page 256: ...256 C28W40TN C32W40TN ...
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Page 274: ...274 C35W35TN CL28W35TAN CL32W5TAN ...
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Page 283: ...283 C35W35TN CL28W35TAN CL32W5TAN ...
Page 284: ...284 C35W35TN CL28W35TAN CL32W5TAN ...
Page 285: ...285 C28W40TN C32W40TN ...
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Page 297: ......
Page 299: ...Users Guide C28W40TN C32W40TN ...
Page 351: ...notes ...
Page 352: ...notes ...
Page 353: ...notes ...
Page 355: ...Users Guide C28W35TN C32W35TN S C R E E N S C R E E N ...