F.TDA9112A Check List
Repair Flow Chart (Continued) |
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Vcc=pin29
gnd =pin7=pin27=0v
12.HFLB (from H.defl)
Check pin 12 
pulse
Check 6806
25.Xray (from LOT)
26.HDRV
24.EWDRV
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| pin3 = Vblk = floating |
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| Pin5 = Hpll2 = 0V |
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| pin6 = HDRV = floating |
if active |
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| pin8 = BDRV = flaoating |
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| pin12 = Vout1 = floating |
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| pin13 = Vout2 = floating |
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| pin16 = CLBL= Hi |
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to H_deflection.
7601 base
to H_deflection
east/west control
7602 base
23,13 Vref/Vout
differential input to 7401 pin 1, 7
1,2
Vsync,Hsync
the input sync from cpu pin 33,34
