Sharp VL-C780S Serviceanleitung Seite 190

VL-C780S/H/X
VL-C7400E
VL-C690S/H/x
VL-C6400E
4. BLC/gain-up
When the operation switch (SW003) is pressed, the camera microcomputer output (15) BLC is switched to
"H". When the output is "H", Q804 reduces the amp gain of the Y/C signal and AGC-Y signal of the AGC
and ALC amp (|C803) respectively.
performed.
| swoos_| @ input |® output] ec | output _| Gain-up |
Fan VO
pope is Se sore ae ore |
)
jonceon | H | t | orf | nH | on |
frwiceon | H[ [on || ofr
Table 5-4 (e).
SWw003 CneRe
BLC/GAIN-UP MICROCOMPUTER
> Ouro as @
KEY
LIGHT AMOUNT
INSUFFICIENCY
DETECTION
Figure 5-4 (f).
Nee
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