VHF FM TRANSCEIVER
TK-190
SERVICE MANUAL
REVISED
Antenna
(KRA-21:Option)
Knob assy (SEL)
(K29-5282-04)
Knob assy (VOL)
(K29-5283-04)
Panel assy
(A62-0779-03)
Knob assy
(Side key)
(K29-5423-04)
Cabinet assy
(A02-2139-63)
© 2001-2 PRINTED IN JAPAN
B51-8510-10 (S) 858
CONTENTS
GENERAL ................................................................. 2
SYSTEM SET-UP ..................................................... 2
OPERATING FEATURES ......................................... 3
REALIGNMENT...................................................... 10
CIRCUIT DESCRIPTION ......................................... 12
SEMICONDUCTOR DATA ..................................... 20
DESCRIPTION OF COMPONENTS ....................... 22
PARTS LIST ............................................................ 24
EXPLODED VIEW .................................................. 31
PACKING ................................................................ 32
DISASSEMBLY FOR REPAIR ................................ 33
ADJUSTMENT ....................................................... 34
PC BOARD VIEWS
FINAL UNIT (X45-3610-10) ............................... 43
CONTROL UNIT (X53-3930-10) ........................ 43
TX-RX UNIT (X57-608X-XX) ............................ 47
SCHEMATIC DIAGRAM ........................................ 53
BLOCK DIAGRAM.................................................. 59
LEVEL DIAGRAM................................................... 61
TERMINAL FUNCTION ......................................... 62
KNB-17A (Ni-Cd BATTERY) .................................. 63
KMC-25A (SPEAKER MICROPHONE) .................. 64
KSC-19 (CHARGER) ............................................... 65
KSC-20 (RAPID CHARGER) ................................... 65
KPG-36 (PROGRAMMING INTERFACE CABLE)
KBP-4 ....................................................................... 65
SPECIFICATIONS............................... BACK COVER
..... 65
Photo is TK-190 K type.
Does not come with antenna.
Antenna is available as an option.
CAUTION
When using an external power connector,
please use with maximum final module protection of 10V
TK-190
OPERATING FEATURES
You can use these features, using the programming software (KPG-59D). Selector function is selectable channel select or group select.
The functions for Toggle switch are listed page 7 (Fig. 2).
Right position is active for programmed function on toggle
switch except "group select".
The functions for the top key are listed page 7 (Fig.2).
Hold action and shift action are programmable.
The functions for side key are listed page 7 (Fig.2). Hold
action and shift action are programmable.
The functions for microphone key are listed page 7
(Fig.2). Hold action is programmable.
5-1. No Function
Sounds error operation beep, and no action will occur.
Use this function when the transceiver is required to be
more simple operated.
5-2. AUX.
This function can be programmed when the voice scrambler board is not installed.
If this key is pressed, "AUX" icon lights on the LCD and
"CLR/C" port which is inside of the transceiver turns to the
high level. If pressed again, the "AUX" icon goes off and the
"CLR/C" ports turns to the lower level.
5-3. Channel Down
If this key is pressed once, the channel number decreases by one step. If this key is hold down, the channel
number decreases continuously.
5-4. Channel Up
If this key is pressed once, the channel number increases
by one step. If this key is hold down, channel number increases continuously.
5-5. Channel Name
This key switches the LCD display between the current
channel number and programmed channel name.
5-6. Delete/Add
This key switches the currently displayed channel between "Delete" and "Add".
The "Add" channel contained in the scan sequence, and
"Delete" channel is not contained. In the scan mode, this
key switches the channel delete or add temporarily.
5-7. Home Channel
Press this key once, the channel switches to the pre-programmed home channel. Press this key again, the channel
goes back to the previous channel.
5-8. Invert Display
Press this key once, the displayed the channel number or
channel name are inverted. Press this key again, the display
returns to the normal.
For the operator who does not change the display and
needs "Invert" only, refer "Invert Display" setting of optional
feature.
5-9. Key Lock
Pressing this key causes the transceiver to accept an entry of only the [Shift], [KeyLock], [PTT], [Emergency] keys,
[Selector switch], [Volume], [Toggle], [Lamp], [Moni], [Moni
monentary], [SQ off], [SQ momentary] and [SP Attennation]
"Lock" is used to prevent users from unexceptable key
press which might cause a transceiver malfunction. The display does not change while the key is being locked.
Pressing Key Lock again cancels the key lock. Key locked
transceiver can still receive. Pressing this key while scanning, keys are locked but a scanning continues.
5-10. Lamp
Press this key, the transceiver illuminates the display and
back lit approximate 5 seconds. Press this key again, the
transceiver stops the illuminating.
Pressing any key except the LAMP key while the illuminated restarts the 5 second timer.
5-11. Low Power
Press this key, the transmission power of all channel
changes to Low. Press this key again, the transmission
power returns to programmed value.
service-repai
5-12. Monitor
Monitor the channel before a transmission.
Press this key once, "MON" appears and unmutes
speaker if a carrier is present, regardless of the specified
signalling (including option signalling). Press this key again,
"MON" disappears and mutes speaker.
Press this key after the Option Signalling is matched, the
Option Signaling is reset. DBD (Dead Beat Disable) mode is
not reset by this operation.
5-13. Monitor Momentary
While pressing this key, the monitor function (refer 5-12)
is activated. Release this key, the monitor function is deactivated.
5-14. Operator Selectable Tone
This key switches the pre-set decode QT/DQT and encode QT/DQT to OST (Operator Selectable Tone) tone pair.
Press this key, the transceiver enters to OST select
mode. In this mode, the display shows "OFF" and the operator can select one of the OST tone pair using the Side 1/Side
2 key. The display shows "TONE
selected or OST name.
Press OST key again, the transceiver exits from the OST
select mode, and returns to the channel mode with "OPT"
icon. "OPT" icon means that the OST tone pair is selected.
OST tone pair number or OFF can be memorized for each
channel.
16 kinds of tone pair for OST can be programmed by
KPG-59D. OST is useful to access the repeater with same
radio frequency and different tone (QT/DQT).
∗∗" and tone pair No. ∗∗ is
8