Service manual

4-4 Adjusting Procedure
1. Function Test
1.1. Product
- 32” LCD TV
1.2. Test Equipment
-PC signal generator: CHROMA 2130,2135,2325,2326 or 2525.
-TV, Video signal generator: SHIBASOKU TG91CC.
-AV, S-Video, HD, and SCART signal generator: DVD.
-Color analyzer: MINOLTA CA110.
-Power meter: CP-310A or CP-320A.
1.3. Test Condition
Before function test and alignment, each LCD TV should be run-in and warmed up for at least
30 minutes with the following conditions:
(a) In room temperature,
(b) With full-white screen, and 16 grey scale,
(c) With cycled display modes.
1.4. Test Display Modes & Pattern
1.4.1 EEPROM INIT
A. Timing: 1366*768@60Hz
B. Pattern: 16*12 pane
C. Press ’POWER’, ‘▲’and ‘ENTER’ at the same time, then go into the FACTORY
MODE.
Fig.1 Fig.2
D. Figure 1,press ENTER, and the Fig. 2 come out. The act of EEPROM INITIAL is
completed when EEPROM INIT disappeared. And remove OSD to WHITE BALANCE.
1.4.2 COLOR TEMPERATURE ADJUSTING
PC MODE:
A. Timing: 1280*1024@75Hz.
B. Pattern: 16 grey scale and full white.
C. LCD TV should be run-in and warmed up for at least 30 minutes.
D. Make sure the distance between SENOR of the CA110 and the LCD TV is about
20cm.
E. Color Temperature adjusting.
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