Adjustment Procedure - Sharp LC-32HT3U Service Manual

LC-32HT3U/LC-37HT3U/LC-42HT3U
2.4. LCD Adjustment Item
2.4.1 MICON SOFTWARE writing
1. Monitor Micon and Main Micon software writing (Main PWB: QPWBXE285WJZZ)
Adjustment item Adjustment conditions
Software writing In spection Mode
File version checking
SD-card checking
*(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.
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.)
• Composite signal
• 15K component signal
• 33K component signal
• Analog RGB signal
2. Tuner/V-CHIP test
Adjustment item Adjustment conditions
1 Setting NTSC RF signal
US-7 (AIR) ch
2 Auto adjustment
execution

Adjustment procedure

*(i)
:
: Y level :
PB, PR level :
: Y level :
PB, PR level :
: RGB level :
Feed the NTSC signal to the RF antenna input.
Move the cursor to [
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.
3 – 5
0.714 Vp-p ± 0.02 Vp-p (from pedestal to white)
0.714 Vp-p ± 0.02 Vp-p (from pedestal to white)
0.7 Vp-p ± 0.02 Vp-p
0.7 Vp-p ± 0.02 Vp-p (from pedestal to white)
0.7 Vp-p ± 0.02 Vp-p
0.7 Vp-p ± 0.02 Vp-p (from pedestal to white)
Adjustment procedure
Beret Girl
TUNER VCHIP TEST (*07ch)] and press [OK]. (: Fit the selected