Kenwood TK-3212L Service Manual page 20

TK-3212L
Adjustment Points
AUX
5R
RSSI
BATT+
5C
PCTV
5M
TX-RX unit
Component side
BPF : Band-pass wave form test point
CV : VCO lock voltage adjustment terminal
Common Section
Item Condition
1.Setting 1) BATT terminal voltage:7.5V
2) SSG standard modulation
[Wide] MOD:1kHz,DEV:3kHz
[Narrow] MOD:1kHz,DEV:1.5kHz
2.VCO lock 1) CH:High
voltage
RX 2) CH:Low
3.VCO lock 3) CH:High
voltage PTT:ON
TX 4) CH:Low
PTT:ON
Transmitter Section
Item Condition
1.Frequency 1) CH:High
Adjust 2) PTT:ON
2.High power TEST CH: Low
Adjust
BATT terminal voltage:7.5V
PTT:ON
3.High power TEST CH: Low'
Check
BATT terminal voltage:7.5V
PTT:ON
4.Low power TEST CH: Low
Adjust
BATT terminal voltage:7.5V
PTT:ON
20
ADJUSTMENT
BPF
SP–
SP+
B
SB
RXD
TXD
CV
Test equipment
Power meter
DVM
Test equipment
Frequency counter ANT
Power meter
Center Ammeter
High
(3 points)
High'
Center
High
(3 points)
S1
PTT
CN13
ANT
EXT. SP/EXT. MIC
VR1 : Frequency adjustment
TC1 : Transmit VCO lock voltage adjustment
TC2 : Receive VCO lock voltage adjustment
CV : VCO lock voltage adjustment terminal
Measurement
Terminal
ANT TC2
CV
TC1
Measurement
Terminal
VR1
Programming
Software:KPG-100D :3.95W
Programming
Software:KPG-100D
S2 S3
SW1 SW2
TX-RX unit
Foil side
TC1
TC2
J301
CV
Adjustment
Parts Method
3.4V K,M
3.0V K2,M2
Check
3.1V K,M
3.0V K2,M2
Check
Adjustment
Parts Method
High frequency
±50Hz
Low, Center
High
:3.95W K,M
3.8W K2,M2
Check
0.95W
VR1
Specifications/
Remarks
±0.1V
0.6V or more
±0.1V
0.6V or more
Specifications/
Remarks
Note: After replacing
the TCXO(X1) align
frequency.
Low, Center
:±0.05W
High
:±0.05W K,M
-0W/+0.1W
K2,M2
2.0 A or less
Low'
:3.8~4.1W
High'
:3.8~4.1W K,M
3.7~4.0W
K2,M2
2.0 A or less
±0.05W
1.0 A or less