HR2510 IC VOLTAGE CHART UNITS: VOLTS
  IC101 NJM2902N IC103 TDA1905 IC104 NJM4558S IC105 AN612 IC106 TA7302P IC107 HA17808W
  SQ   TX   TX   TX
1 0.0   6.8 7.6 7.2 3.0 3.0 0.0 6.2 13.2
2 0.0   13.2 4.1 4.0 3.2 3.2 0.0 3.3 0.0
3 0.0   12.0 2.7 2.6 3.0 3.2 0.0 2.7 8.0
4 8.0   4.0 4.1 4.0 0.0 0.0 0.0 7.6  
5 0.0   0.0 0.0 0.0 6.0 5.8 0.0 0.0  
6 0.0   2.4 3.5 3.3 7.4 7.3 0.0 2.7  
7 0.0   2.0 7.1 2.3 6.4 4.0 0.0 4.2  
8 0.0 6.8 1.5 1.3 5.7     0.0 4.2  
9 1.7     7.6 7.2     0.0 7.5  
10 1.7 6.8                
11 0.0 Chart taken from the Uniden Service Manual by Rogerbird Copyright © 2004
12 0.0                  
13 0.0                  
14 0.0                  
Chart taken from the Uniden Service Manual by Rogerbird Copyright © 2004
Not responsible for errors or ommissions
HR2510 IC VOLTAGE CHART UNITS: VOLTS
  IC301 IC302 IC303 IC304 IC305 IC306 IC307 IC311 IC312 IC314 IC316 IC501
1 5.0 2.5 0.0 0.0 0.0 8.0 8.0 13.8 13.8 5.0 5.0 2.5VP-P 30ms
2 0.0 2.1 0.0 5.2 8.0 6.0 7.4 0.0 0.1 2.0 0.0
3 5.0 5.0 0.0 8.0 8.0 4.0 1.0 8.0 5.6 0.0 5.0
4 5.0 5.0 1.6 0.0 0.0 4.0 1.0     1.2 0.0
5 5.0 0.0 1.6 8.0 8.0 0.0 0.0     5.0 5.0
6 0.0 2.4 5.0 0.0 0.0 4.0 4.2~4.9       5.0
7 0.0 0.0 2.9 2.8 2.8 4.0 4.2~4.9       0.0
8 5.0 0.0 0.7 2.8 2.8 3.8~6.0 3.5~4.9       0.0
9 1.7 0.0   0.0 0.0 8.0 8.0       0.0
10 0.0     0.6 0.6           5.0
11 0.0     1.3 1.3           5.0
12 0.0     0.6 0.6           0.0
13 4.0     1.3 1.3           5.0
14 0.0     0.0 0.0           5.0
15 2.5 Chart taken from the Uniden Service Manual by Rogerbird Copyright © 2004 3.5
16 2.4                     1.0
17 2.0                     4.2
18 0.0                     4.3
19                       0.7
20                       0.0
21                       0.0
22                       0.0
Chart taken from the Uniden Service Manual by Rogerbird Copyright © 2004
Not responsible for errors or ommissions