Microprocessor Operation Check - Kenwood TS-670 Service Manual

15-670
ADJUSTMENT
MICROPROCESSOR OPERATION CHECK
I
1
I
~
30
Measurement
Adjustment
Item Condition
Test
Specification
Remarks
equipment
Unit Terminal Unit Parts Method
1. BAND (1) POWER PLUG: CONNECT
Display
METER CAMP: light
: (13.8V)
on
POWER: ON VFO A
50.000.00
(2) UP: Push
Display: 51.000.00 Confirm light
Confirm "PEE" tone. dosen't
change.
(3) UP: Continue push
7.000.00-21.000.00-28.000.00
I
29.000.00
I
50.000.00
!
53.000.00- 52.000.00- 51.000.00
Confirm continues
display as above and
"PEE" tone.
(4) DOWN: Push
Confirm light doesn't Dislay changes down
change.
1 MHz or 1 BAND
and "PEE" TONE.
(5) DOWN: Continue push
Back words of UP
switch.
6. FUNCTION
(1) ANT: 7 - 28, 50 ANTS
POWER DISPLAYDISPLAY SEND SW VFO A shows VFO A
A/B SW: VFO A and
METER
OFF-ON-OFF VFO B shows VFO B
VFO B
SET
MODE: ULB
SPLIT: ON SEND SW OFF VFO B
A/B SW: VFO B
1 I
ON
VFOA
As display
1 I
OFF VFO B
A/B SW: VFO A Back words function
of VFO B
SPLIT SW: ON
3. F. STEP (1) F. STEP: OFF
Confirm frequency
One knob rotate
MODE: SSB, CW, AM
change: about 10kHz change
(2) F. STEP: ON
CW: High freq.
About 100kHz
CCW: Low freq.
chage
IND light on
(3) MODE: FM
About 100kHz
change
(4) F. STEP: OFF About 500kHz
change
IND light on
4. F. LOCK
(1) F. LOCK: ON
Confirm by knob Display doesn't
rotate.
change.
IND light on
(2) F. LOCK: OFF
IND goes off
5. MEMORY
(1) POWEROFF-ON HOLDING
Display: VFO A
HOLD
SW.
: 50.000.00
: USB
All RESET
(2) VFO/MEMO:
ON
Confirm each memo Confirm all memo
by 10 KEY which
call back.
frequency has same
as entered previous-
Iy.
(3) MS: ON Confirm at SEND SW Scan time:
ON, OFF. about 2 sec. each
channel.