Sharp CD-BK2100V Service Manual page 59

ICV4 VHiNJM2267M-1: Video operation amp. (NJM2267M)
Terminal Name
Pin No.
1 Clamp input terminal
2 GND
3 Sag correction terminal
4,5 Output terminal
6 Sag correction terminal
7 V+
8 Clamp input terminal
VIN2
VIN1
Input of 1.9 V clamp, 1 Vp-p composite or Y-signal
Ground
Able to obtain an output without any sag by feeding back the sag, generated from output
coupling C, using the external C (see block diagram).
When not using the sag correction terminal, connect directly to the pin 4.
6 dB amplifier output. Able to drive 75
Able to obtain an output without any sag by feeding back the sag, generated from output
coupling C, using the external C (see block diagram).
When not using the sag correction terminal, connect directly to the pin 5.
Power source
Input of 1.9 V clamp, 1 Vp-p composite or Y-signal.
8
6dB
Amp
2.0k
1
6dB
Amp
2.0k
Figure 59 BLOCK DIAGRAM OF IC
Function
video line.
V+
7
75
Driver
2.2
Correction terminal
75
Driver
2.2k
Correction terminal
2
GND
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CD-BK2100V
Vout2
5
VOUT2
(6dB)
75
6
VOUT2
V5AG2
Vout1
4 VOUT1
(6dB)
75
3
VOUT1
V5AG1