LC-32HT3U/LC-37HT3U/LC-42HT3U
3 – 5
2.4. LCD Adjustment Item
2.4.1 MICON SOFTWARE writing
1. Monitor Micon and Main Micon software writing (Main PWB: QPWBXE285WJZZ)
NOTE: When the SD-card can’t insert to MAIN PWB or read out is error. Main Micon software must be writed again.
2.4.2 Signal adjustment
1. Checking the Device
Before starting the adjustment, make sure the adjustment tool and signal generator are set for Sharp LCD US.
Checking the signal generator level adjustment (Set to the standard level.)
2. Tuner/V-CHIP test
Adjustment item Adjustment conditions Adjustment procedure
Software writing In spection Mode
File version checking
SD-card checking
*(i)
*(i): Connect the tool to write Main software to P9301 (TL9301, TL9302, TL9310~TL9355, TL9357, TL9359, TL9375, TL9378, TL9380~TL9383)
that is mounted on the MAIN PWB, and insert SD-card with Monitor Micon software to MAIN PWB.
Monitor connect to TL8112 that denoted figure.
Load stated voltage to MAIN PWB, write the lastest version Main software to IC8451, and write the Monitor Micon software to IC2002, after
all completed, turn off the AC power.
• Composite signal : 0.714 Vp-p ± 0.02 Vp-p (from pedestal to white)
• 15K component signal : Y level : 0.714 Vp-p ± 0.02 Vp-p (from pedestal to white)
PB, PR level : 0.7 Vp-p ± 0.02 Vp-p
• 33K component signal : Y level : 0.7 Vp-p ± 0.02 Vp-p (from pedestal to white)
PB, PR level : 0.7 Vp-p ± 0.02 Vp-p
• Analog RGB signal : RGB level : 0.7 Vp-p ± 0.02 Vp-p (from pedestal to white)
Adjustment item Adjustment conditions Adjustment procedure
1 Setting NTSC RF signal
US-7 (AIR) ch
Feed the NTSC signal to the RF antenna input.
Beret Girl
2 Auto adjustment
execution
Move the cursor to [ TUNER VCHIP TEST (*07ch)] and press [OK]. (: Fit the selected
channel to the in-house signal.)
OK when [ A-OK (***.**)/VM-OK] is displayed in blue.
(NG if A-NG/VM-NG is displayed in yellow or red.)
OK when the deviation from the center frequency is ± 0.0625MHz or less.
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