Icom IC-H6 Service Manual

SECTION 9 VOLTAGE CHARTS
TRANSISTORS VOLT AGE CHART
• Measuring instrument is a 50KQ/V multimeter.
..
-
I
TRANSMIT
RECEIVE
UNIT NO.
BASE
COLLECTOR
EMITTER BASE COLLECTOR EMITTER
REMARKS
or
or
or or
or or
GATE DRAIN
SOURCE GATE DRAIN
SOURCE
..
MAIN 0101 0 0
GNO
0.8
1.2
GND
RF Amp
0102
i
0 0
I
0 1.9
5.8
1.2 RF Amp
0103 0 0
0 0 6.0
1.4
1st Mixer
0104 0 0
GNO 0.7
0.9
GND
1st
IF Amp
.
.
--
0105 0 0
0
1.5 2.8
0.9
1st IF Amp
0106
5.2/6.0 I
5.9/0
6.0 6.0
0 6.0
T /R Switch Locked/Unlocked
--
0107 0 /0.6 0.7/0 GND 0
/0.6 0.3/0
GND T /R Switch Locked/Unlocked
-
0108
0.7
0
GND
0.3 6.0 GNO T/R Switch
0109 I
5.8
0
6.0
5.3
6.0
I
6.0
.
T/R Switch
I
0110
0
8.1 0.4
6.0
7.7
5.4 T/R Switch
0111
8.1
0 8.4
7.7 6.2 8.4 T/R
Switch
..
-
-·
l 0112
5.9/0
I
8.0/8.4 5.2/0
0
8.4
0
I T /A Switch Locked/Unlocked
0113
0
0.6
0
4.2 o- 1.2
3.2
- 3.7
Noise Detector
SOL CLOSED/SOL OPENED
-
-
0114 0.6
I
0
GNO
0.610
0
/8.0
GND Squelch Control Closed/Opened
I
0115 0
8.0
0 0
/8.0
8.0
I
0
17.4
· Squelch Control
0116 8.0 0
8.4 8.0 0
17.4 8.4
T/R
Switch SOL Closed/Opened
0117 0.6 8.4
1.7
0.6 8.4
1.7 Regulator
0118 7.7 6.0
8.4 I
7.7 6.0 8.4 Regulator
I
0119 0.6 6.0
I
GND
0.6 7.4 GND Regulator
0120
0.6
0.6
GND
0.6 0.6 GND
~:!
6.4
4.5
6.0
6.4 0 6.0
! ndicator Control
-
I
I
'
Indicator Control
4.5 5.1/0
5.2/0 0
0 0
Locked/Unlocked
3 4.6
5.2
5.2
6.0 1.6 6.0
T/R Switch
,9125
'
3.0
i
5.2
2.6
0
0
0
Mic Amp
!
i
I
0126 3.2 5.1
2.6 0
0
0
Mic Amp
-
0127 5.1
2.0 5.2
0 0 0 Mic Amp
0128 0.3
2.4 I GNO
0
'
0 GND Limiter
i
i
'
.
0129
2.4tit
3.1
"±jj
0
Low Pass Filter
I
. .. .
PLL
0201
0
5.2
0.6
0
5.2
0.6
VCO,
FM Mod.
I
-
0202 0.6 l 1.0
GND
o~~ 1.0
GND Buffer Amp
-·
0203
1.6 3.4
1.0
··g
1.0 Buffer Amp
-
----
0204 0.7 0.8
GND
0.7 0.8 GND PLL Mixer
.
0205 1.8 3.4
1.3
1.8
I 3.4
I
1.3 Level Converter
0206
2.2
I
5.9
I
1.8 2.2
I
5.9
1.8
Multiplier
.
0207
0 0
1.2 1.6
5.8
1.0
Multiplier
0208
0.5
1.2
GNO
0.5
I
1.0 GNO Buffer Amp
0209 1.7
I
5.6
1.2
0
I
l
0
1.0
Multiplier
0210 -0.6-0 1.5
GNO
0.7
0
GND
T/R Switch
-·
0211 1.4 8.0
0.6
0
8.4
0
Buffer Amp
0212
0.6 8.4
0.2
0
8.4
'
0
Driver
0213 0.5
8.4
GND
0
8.4 GND
Power Amp
...
0214 5.9/5.4 0
/6.0 6.0
5.9/5.4
0 16.0 6.0
Lock Failure Mute
Locked/Unlocked
..
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9-1

Icom IC-H6 Specifications

General

Brand	Icom
Model	IC-H6
Category	Transceiver
Language	English