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This manual is perfect! Just what I needed. Thanks!
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This manual was very clear and complete, the prices can't be beat, great to have older manuals available!
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Doubted for buy this manual as it is my first order here and at not have cover image, I assumed would haven't. However, within 24 hs, already possessed the link to download it. The manual are scanned correctly and have all what is needed. Includes adjustments and diagrams of all circuits. Very satisfied.
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Really good quality, аll readable.! Wonderful work shop. I recommend to all!
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Good quality service manual.The scheme is on A3 format and very readable.Thank you
TFT-LCD DRIVER BOARD ALIGNMENT
OSC FREQUENCY ADJUSTMENT 1. Adjust the voltage of VR-OSC to -1.2 � -1.6 V. 2. Turn off and turn on unit. 3. Measure the frequency between VD716 and R781 with X10 probe. It should be 19.8 � 20 MHz, and the value shoulb be steady comparatively.
VCO CHECK Measure the frequency between X601 and X602 with X10 probe. at NTSC system, the frequency is 3.579545 MHz (±1 kHz), when change to PAL system by remote, the frequency is 4.433619 MHz (±1 kHz).
IMAGE CENTER POSITION ADJUSTMENT Playing VCD test disc, make the image locate ceter of TFT panel by adjustment VR-BCK.
DRIVER BOARD FUNCTION CHECK 1. Image reverse check: press �reverse display� key on key board, the image on TFT panel can be 180º reversed. 2. NTSC / PAL switchover check: switch NTSC / PAL system by remote, there are a abviously color change on TFT panel, but the color change can not be colorless.
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