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Now downloading free:LG CH480 5

LG CH480 5 free download

Computer monitors - CRT, TFT, LCD, touch screen, plasma display - service manuals and repair information

File information:
File name:CH480_5.pdf
[preview CH480 5]
Size:13 kB
Extension:pdf
Mfg:LG
Model:CH480 5 🔎
Original:CH480 5 🔎
Descr: LG Monitor 1468 CH480_5.pdf
Group:Electronics > Computer equipment > Monitors
Uploaded:03-04-2022
User:Anonymous
Multipart:No multipart

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Decompress result:OK
Extracted files:1
File name CH480_5.pdf

TROUBLE SHOOTING GUIDE 1 . NO POWER Circuits Checked: Power input Protection Circuit NO POWER Secondary B+ line short DPM Circuit TROUBLE IN CHECK NO POWER CORD or AC SOCKET? AC SOCKET SOLDER CHECK NO TROUBLE IN FUSE FUSE OK? F901, 3.15A/250V CHECK NO TROUBLE IN C904 (DCV)? D901 or R903 DCV = 140~370V CHECK NO TROUBLE IN IC901 OK? IC901(STR5717) CHECK NO TROUBLE IN Q921, Q922, Q921, Q922, R999 R999 CHECK TROUBLE IN SMPS TRANSFORMER NO SMPS SECONDARY SECONDARY B+ LINE SHORT CIRCUIT TROUBLE IN PRIMARY OTHER COMPONENTS - 14 - 2. NO CHARACTER Circuits Checked: Video Circuit and its related circuits. NO CHARACTER CHECK TROUBLE IN NO IC301 PIN 2, 4, 6 R/G/B SIGNAL, SIGNAL LEVEL SIGNAL CABLE CHECK NO TROUBLE IN IC201 PIN 16, 28 IC301 OR PIN 9, 10 SIGNAL LEVEL CLAMP PULSE CHECK NO TROUBLE IN Q301 ~ Q309 Q301 ~ Q309 CHECK TROUBLE IN NO CATHODE VIDEO PERIPHERAL CIRCUIT LEVEL OF CPT PCB TROUBLE IN VIDEO OUTPUT CLAMP CIRCUIT (Q310) - 15 - 3. NO RASTER Circuits Checked: High voltage generating NO RASTER circuit. CHECK NO TROUBLE IN SIGNA

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