CCB-M series
EXTENTIONAL FUNCTIONS
Modification of Auto Gain Control
Preset is AGC ON.(CCB-M25/CE, CCB-M35A/CE)
AGC OFF
Remove R406 (0W ) at 16P of CXA1310AQ on Process board, then make there OPEN. GAIN is fixed.
AGC Manual Control
Remove R406, R451 and R452. Supply the proper voltage to 3P at CN203 (GAIN CONT.).
Ref: AGC Control Characteristics
5V
R451 (15KW)
CN202IC401
R406Gain Cont.316AGC Cont.
R452R406
(27KW)(0W)
16P
17
IC401
CXA1310AQ
AGC Manual Control characteristics
AGC control characteristicsAGC MAX control characteristics (RV403)Set up control characteristics (RV401)
100
4040)
)(mV
30dB 30
(
50
2020GAIN
1010Set up level Preset
Preset
000
012345012345012345
AGC CONT (V)AGC MAX (V)SET CONT (V)
CN2023IC40114IC4015
<Pedestal Control characteristics>
Electronic Shutter Control
Preset is normal shutter speed ( EIA : 1/60 sec., CCIR : 1/50 sec.)
With reference below table, connect 5P (D0), 6P (D1) and/or 7P (D2) at CN202 to GND, as preset of each
terminals are high.
On the PSB-915IA, short lands for settling the electronic shutter by connecting the lands. The terminal connect to
ground.
ED0ED1ED2Shutter Speed
HHH1/60 or 1/50 sec.
ED0LHH1/100 sec.
ED1
ED2LHH1/120 sec.
HLH1/250 sec.
LLH1/500 sec.
HHL1/1000 sec.
LHL1/2000 sec.
HLL1/4000 sec.
LLL1/10000 sec.
11H : OPEN, L : GROUND |