Kenwood TS-830S Service Manual page 63

TS-830S, M
AF Unit (X49-1140-00)
TS-830s SCHEMATIC ABBREVI,
Remarks
Unit/switch
Con-
" : : O r
@
@
I
@
@
Transmit bias
Ground on TX
ALC input from
A F u n i t Q 1 9
@
AF unit
AF unit
AF unit
Termi-
nal
N O
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
1
I I
I c w l
I I
MODE SW S 1 8 - 5
Termi-
nal
GND
DET
SSB
GND
VXI
NBI
STB
AV2
GND
AV1
GND
STE
KEY
SP
GND
STS
SS
Remarks
Detector lnput
Bias voltage for SSB
VOX input
N o ~ s e blanker lnput
Arm of AF gain control
Top of AF galn control
To ground In CW and
CW NAR
To ground In Tune,
USB and LSB
Speaker ~nternal
Side tone SW
Stand by SW
1
2
3
4
2
5 G
I 1
6 RIF
I
RXIFlnput
I
@
8
MIC
G
G
MV 1
RLT
S S B l
A L M
9
3
4
5
6
1
2
3
4
5
6
7
VXS
,
VOX s w ~ t c h to ground
VOX on
MlC input
nal
DET
SSB
VXI
NBI
ST B
STE
KEY
SP
STS
SS
Destination
U n ~ t / s w ~ t c h
IF unlt
IF unit
IF unlt
IF unit
Rectif~er unlt
AF galn control
AF gain control
MODE SW S 1 8 - 6
MODE SW S18-6
REMOTE socket
KEY Jack
REMOTE socket
a
@
8
VXD
VXG
GND
SP
VR3
KEY
VR 1
AV
SS
RL
9
M l C jack
VR3
KEY
VR1
AV
SS
RL
9
R B I
VOX SW
VOX delay control
VOX galn control
Phone jack
B ~ a s control
KEY jack
Bias control
Ant1 VOX control
Stand by SW S17
IF unlt
EXT VFO socket
RF unit
ALC meter DC s~gnal
+
9 v
VOX delay control
VOX gain control
Speaker output
Final b~ascontrol
Key jack
F~nal bias control
Ant1 VOXarm
Stand by SW
Relay Voltage
t l 2 3 V o n T X
t 9V
Bias for Q1 RF amp
on RF unlt
Top of MIC
galn control
Arm of MIC
gain control
MXB
TOF
DRB
XIT
T M
R LT
RSC
RLR
RTI
RIT
FG
XAL
RAL
SSB
NSG
ALC
RB2
TB
SM
RS
RF unlt
RF unit
RF unit
XIT SW S2-1
Meter SW S13
I
MODE SW S18-3
RIT SW S3-1
MODE SW S 1 8 - 5
1
Meter
RIT SW S3- 1
VFO unit
Final unlt
X.VTER socket
REMOTE socket
Bias control
NB control
NB SW S16
MODE SW S18-4
RF gain control
--
IF unit
IF unit
IF unit
IF unit
IF unit
IF unit
Con-
nector
No,
@
8
@
@
MODE SW S18-3
MODE SW S18-5
Meter SW S 13
(
MIC gain control VR9
Termi-
nal No.
1
1
3
1
1
7
3
@
@
From Q18 on AF unlt
b ~ a s to MlXer
TX stop signal for
WARC
Bias for control grid V1
Transmitter ~ncrernental
tuning
Meter select switch
S13 arm
Relay t 9 V on TX
Receiver RIT ON
Relay
t
9 V o n RX
Meter voltage
Bias voltage
--
6V
RITSW
RIT toVFO
Bias for control
grid Final
Transm~tter ALC
ALC lnput remote
socket
Arm of TX b ~ a s control
Top of nose blanker VR
Noise blanker SW
3
4
5
1
2
3
4
5
6
7
8
9
1
2
3
1
2
Arm of carrler
control
Arm of RF gain
control
AGC SW slow
AGC OFF
Notch frequency
control voltage
Bias voltage for SSB
Smeter DC s~gnal
To VOX circuit
2
3
2
1
2
3
3
2
@
8
@
@
@
@
@
8
@
MXB
TOF
DRB
XIT
T M
RLT
RSC
RLR
M
-
6
RTI
RIT
FG
XAL
RAL
VR2
N BV
NBS
3
CAR control VR9-3
-
3
1
1
2
6
6
4
3
5
1
2
2
@
9 + 9 v
SSB + 9 V in USB/LSB
RFG
4
5
1
2
3
4
5
6
7
RF1
NSG
GND
ALC
RB2
TB
SM
RS
/
RF galn control VR3-1
Top of RF gain control
Nolse blanker gate
signal
ALC voltage from Q19
on AF unit
Receiver bias for IF unit
TX bias
S meter signal,
Groundon RX
AGS
AGO
NCH
AGC SW S11-2
A G C S W S 1 1 - l
NotchSW S 1 - l
AF unit
AF unit
AF unit
RX bias
I F 0 2
G
R L
D ET
G
CAR 1
CAR2
IF output for monitor IF OUT 2 jack
TX b ~ a s for Q22 on
IF unit from relav
drlve voltage
Detector output AF unit
M X
MOE
MO
V BT
CAR
G
Monitor ON SW
Monitor signal ground
Monitor signal output
Arm of VR1-1
CAR input
Monitor SW S5
AF gain control VR3-;
VBT control VR1-1
PLL unit
Rectifier unit
Rectifier unit
Rectifier unit
CAL SW S10
MODE SW S18-1
MODE SW S18-3
MODE SW S18-3
@
l F unit (X48-1290-00)
PLL Unit (X50-1680-00)
1
2
3
3 0 0 A
G
AGC
0
@
@
IF OUT 1 jack
AF unit
AF unit
Processor SW S 1 5- 1
VR9-2
Meter S W S13
3 0 0 B +
Output for AGC
1
2
1
2
3
4
1
2
3
4
RF unit
RF unit
0
@
IF01
G
NBI
G
G
NSG
- 6
PRO
COT
COM
Noise blanker input
Noise blanker
gate signal
-6V
Processor SW
Arm of VR9-2 processor
gain control
Compression meter signal
!
l F O l
6
1
NBI
NSG
PRO
COT
COM