Philips DPTV565 AA Service Manual page 106

EN 106 9. DPTV565 AA
9.7.7 Diagram H1, MC1496D (IC7510 and IC7520)
Equivalent Schematic
Circuit Descriptions, List of Abbreviations, and IC Data Sheets
10
CARRIER (±)
8
INPUT (+)
4
SIGNAL (±)
1
INPUT (+)
5
BIAS
D
1
14
V±
Pin Configuration
F, N Packages
POSITIVE 1
SIGNAL INPUT
2
GAIN ADJUST
3
GAIN ADJUST
NEGATIVE
4
SIGNAL INPUT
5
BIAS
POSITIVE
6
OUTPUT
7
NC
Figure 9-51 Internal block diagram and pin configuration
V (+) V (-)
O O
12
6
Q Q
Q
2 Q 4
1 3
Q Q
5 6
Q
7
Q
8
R
R
1
1
R
1
500k 500k 500k
14
V
CC
13
NC
NEGATIVE
12
OUTPUT
11
NC
NEGATIVE
10
CARRIER INPUT
9
NC
POSITIVE
8
CARRIER INPUT
2
GAIN
ADJUST
3
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