Panasonic TH-L42S25S, Service Manual

Page: 34 / 94

TH-L42S25S
34
8 Measurements and Adjustments
8.1. Power Supply to Check A-Board
Set IP-Board to a dummy set and check the satisfaction with the specified voltage as following table.
8.2. Target of WB adjustment value
* Clearance use WB 3 mode
x, y : +/-0.003 in Cool Colour Balance, +/-0.010 in Warm/Normal Colour Balance use WB difference mode
x, y : +/-0.003 in Cool Colour Balance, +/-0.010 in Normal Colour Balance, +/-0.015 in Warm Colour Balance
Power Supply Name Measurement Point Specification (V)
SUB3.3V TP5503 3.21 - 3.45
SUB1.5V TP5502 1.47 - 1.56
SUB1.2V_A TP5500 1.26 - 1.33
SUB1.2V_D TP5501 1.26 - 1.33
SUB5V TP5200 4.86 - 5.14
SUB_OP_5V TP5300 4.92 - 5.31
Ambient Temp. Colour Balance
White Gray
x y
Y (cd/m
2
)
x y
Y (cd/m
2
)
Cool 0.279 0.286 0.279 0.286
10.0 - 12.5 deg. Normal 0.293 0.308 0.293 0.308
Warm 0.323 0.334 0.323 0.334
Cool 0.276 0.282 0.276 0.282
12.5 - 17.5 deg. Normal 0.291 0.304 0.291 0.304
Warm 0.320 0.330 0.320 0.330
Cool 0.273 0.277 0.273 0.277
17.5 - 22.5 deg. Normal 0.287 0.298 0.287 0.298
Warm 0.317 0.325 > 300 0.317 0.325 don’t care
Cool 0.271 0.273 0.271 0.273
22.5 - 27.5 deg. Normal 0.285 0.295 0.285 0.295
Warm 0.314 0.322 0.314 0.322
Cool 0.268 0.268 0.268 0.268
27.5 - 32.5 deg. Normal 0.281 0.289 0.281 0.289
Warm 0.310 0.316 0.310 0.316
Cool 0.265 0.263 0.265 0.263
32.5 - 35.0 deg. Normal 0.278 0.284 0.278 0.284
Warm 0.306 0.311 0.306 0.311