Download Philips 107E51/99 Technical data
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http://jdwxzlw.5d6d.com/?fromuser=华盛维修 48 V20 107E5 9 Go to cover page D. Vertical Deflection Failure Sympton : one horizontal line V_size is abnormal too large/small Repair Flow Chart (Continued) basic check +12/-12V check 3402,3403 3415 good Ok check 6401 good? No No check 7401 check 7401 check 3412,3411 Ok Ok check 7501 Pin13,pin14 ramp exist ? No check 7501 家电维修资料网,免费下载各种维修资料