Icom IC-H6 Service Manual page 30

IC'S VOLTAGE CHART
• Measuring instrument is a 50KO/V multimeter.
IN TRANSMIT MODE
PIN No.
UNIT IC No. REMARKS
1 2
•3
4 5
6
7 8
9
10 11 12 13 14 15 16 17 18
MAIN IC101 0 0 0 0 0 0 0 0 0 0 0 GND 0 0 GND 0
MAIN
IC102 0 0
0
0
GND
0 0 0 0
~~·"
PLL IC201 6.0 2.0
* * * * *
*
* * *
*
* * *
0 0
GND
PLL IC202 0
3.0 1-5 6.0 6.0 0
10
3.0 GND
--·
PLL
IC203 1.4 2.5 2.5
-
6.0 3.0
- -
GND
*
6.0V or OV depending on the diode matrix programming.
IN RECEIVE MODE
PIN No.
UNIT IC No.
REMARKS
1 2
3
4
5 6 7
8
9
10
11
12 13
14
15 16 17
18
MAIN IC101 6.0 5.6 5.9 6.2 1.0 1.0 1.0 6.2 3.5 1.9 2.0 GND 5.6 0 GND 2.0
MAIN
IC102 5.9 3.9 7.4 3.3 GND 3.3 3.3 3.1 7.4 SOL OPEN
I
..
PLL
IC201 6.0 2.0
*
*
* *
*
*
* * *
*
* *
*
0 0
GND
·-
---
PLL
IC202
0
3.0
1~5
6.0 6.0 0 0 3.0
GND
PLL IC203 1.4 2.5 2.5
-
6.0 3.01 -
-
GND
I
*
6.0V or OV depending on the diode matrix programming.
9-2