Kenwood TH-235A Service Manual page 29

TH-235A/E/234
ADJUSTMENT
SERVICE ADJUSTMENT MODE (LINE MODE)
This unit has the built-in "LINE mode" which is used to per-
form and adjustment and inspection.
[How to set the LINE mode]
Turn on the main power of the unit,while shorting-circuit the
TEST land (T) of the control unit board (component side} with
GND.
Then the machine enters the LINE mode (initial value: 00 ch.
01 ch through 59 ch can be selected).
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(All indications light.) O1ch 59ch
[Operating procedure]
1. You can select any desired channel in the LINE mode by
either rotating the encoder or by calling the desired chan-
nei directly from the ten keys.
2. if the unit power is turned off while the unit is in the LINE
mode,the last channel in the LINE mode is backed up in
memory.
3.In the LINE mode,all channels are set to the split channels.
1. Frequency Range
[How to cancel the LINE mode]
Perform the VFO RESET or ALL RESET to exit the LINE mode.
Note : Be sure to perform RESET whenever the service ad-
justment is completed.
Partial Reset (VFO)
Use to initialize ail settings except the
memory channels and Memory channel
Lockout.
Press [VFO] + POWER ON.
¢ All indicators appear.
¢ Releasing [VFO] does Partial Reset.
¢ Default frequency is indicated.
All indication
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Full Reset (Memory)
Use to initialize all settings.
Press [F] + POWER ON.
¢ All indicators appear.
¢ Releasing [F] does Full Reset.
¢ Default frequency is indicated.
Destination VFO Frequency | RX/TX Tone
Frequency | Step Size | Frequency
K 144 MHz 5 kHz 88.5 Hz
TE 144 MHz 12.5 kHz 1750 Hz
M, A, 234 | 144 MHz 12.5 kHz 88.5 Hz
Operating Frequency Range (MHz) Specification Frequency Range (MHz)
TYPE T™ TX RX
K, K2 144~148 136~174 144~148 144~148
T, E, £3, E4 144~146 144~146 144~146 144-146
M, M2, M3, A, 234 136~174 136~174 144~148 144~148
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