PRESIDENT Mc KINLEY US 12/24 User manual

Mc KINLEY US
12/24
SERVICE MANUAL

-TECNNICAL CHARACTERITICS
Mc Kinley US 12/24
1-GENERAL:
-40 channels
(from 26,965Mhz to 27,405Mhz)
-7 Weather channels
CH1 162,550Mhz/CH2 162,400Mhz/CH3 162,475Mhz/CH4 162,425Mhz
CH5 162,450Mhz/CH6 162,500Mhz/CH7 162,525Mhz
-Channel step
-10Khz
-Class of emission
-AM(A3E)/USB LSB(J3E)
-Power supply
-13,8V/27,6V/ From10,8V to 31,2V
-Antenna impedance
-50
-Dimensions (in mm)
-172(W) x 150(D) x 52(H)
-Weight
-1Kg
2-TRANSMISSION:
-Frequency allowance
-±200Hz
-Carrier Power
-4W RMS AM / 12W PEP SSB
-Modulation
± 90%
-Transmission interference
-Inferior to -60dBc
-Audio frequency response
-From 300Hz to 3Khz
-Emitted power in the adjacent channel
-Inferior to 20µW
-Microphone sensitivity
-Inferior to 3mV
-Current drain
-2,2A (in transmission mode with modulation)
-Modulated signal distortion
-Inferior to 2%

3-RECEPTION:
-Maximum sensitivity at 20dB sinad
-0,7µV(-110dBm) AM / 0,28µV(-118dBm)USB LSB
-Audio frequency response
-From 300Hz to 3Khz
-Adjacent channel selectivity
-Superior to 60dB
-Frequency image rejection
-Superior to 60dB
-Intermodulation response
-Superior to 54dB
-Maximum audio power
-3W
-Squelch sensitivity
-Threshold 0,2µV(-120dBm) / Tight 1mV(-47dBm)
-Current drain
-300mA nominal / 1000mA maximu

ALIGNMENT PROCEDURE
(Mc KINLEY US 12/24)
* VCO/PLL PORTION
- Alignment procedure
- Test points
- Frequencies chart
* TRANSMITTER
- Alignment procedure
- Test points
* RECEIVER
- Alignment procedure
- Test points
Test equipement required
Frequency counter 200 Mhz HF Generator
D
CVolmeter B FVolmeter
D
istortiometer H FVolmeter
Wattmeter - Dummy load Osilloscope
FM linear detector Load 8 Ω
AF generator Sinad meter
Conditions of Measurements on HF Generator
Reception
AM mode: Level - 107 dBm Frequency 1 Khz with 60% of modulation.
USB/LSB mode: Level - 107 dBm
FM mode: Level - 107 dBm Frequency 1 Khz with 3Khz of deviation.
Transmission
Frequency1 Khz 30mV.

ALIGNMENT VCO/PLL
- Alignment procedure (13,8V/27,6V)
STEP CONDITION ADJUSTMENT REMARKS OF ADJUSTMENT
1 AM
RX mode
Channel 20
L308 Fine + coarse center position
Connect a frequency counter to TP304,
adjust L308 to reach 37,900MHz ± 20Hz
2 USB
RX mode
Channel 20
Fine + coarse center position
Connect a frequency counter to TP304,
And check 37,9025MHz ± 20Hz
3 LSB
RX mode
Channel 20
Fine + coarse center position
Connect a frequency counter to TP304,
And check 37,8975MHz ± 20Hz
4 USB
TX mode
Channel 20
RT302 Fine + coarse center position
Connect a frequency counter to TP304,
adjust RT302 to reach 37,9025MHz ±
20Hz
5 AM
RX mode
Channel 40
Fine + coarse center position
Connect a voltmeter to TP 303,
and check 2,8V±0,2V.
6 AM
RX mode
Channel 1
Fine + coarse center position
Connect a voltmeter to TP 303,
and check 2,6V±0,2V.
7 USB
RX mode
Channel 20
L307 Fine + coarse center position
Connect a frequency counter to TP305,
adjust L307 to reach 10,6975MHz ± 20Hz

8 LSB
RX mode
Channel 20
L305 Fine + coarse center position
Connect a frequency counter to TP305,
adjust L305 to reach 10,6925MHz ± 20Hz
9 AM
TX mode
Channel 20
L306 Fine + coarse center position
Connect a frequency counter to TP305,
adjust L306 to reach 10,695MHz ± 20Hz
10 AM
RX mode
Channel 20
RT301 Fine + coarse center position
Connect a frequency counter to TP600,
adjust RT301 to reach 10,100MHz ±
20Hz

- FREQUENCY LIST
CH Channels
Freq
(MHz)
VCO(TP304)
AM Freq
(MHz)
1 26,965 37,660
2 26,975 37,670
3 26,985 37,680
4 27,005 37,700
5 27,015 37,710
6 27,025 37,720
7 27,035 37,730
8 27,055 37,750
9 27,065 37,760
10 27,075 37,770
11 27,085 37,780
12 27,105 37,800
13 27,115 37,810
14 27,125 37,820
15 27,135 37,830
16 27,155 37,850
17 27,165 37,860
18 27,175 37,870
19 27,185 37,880
20 27,205 37,900
21 27,215 37,910
22 27,225 37,930
23 27,255 37,950
24 27,235 37,930
25 27,245 37,940
26 27,265 37,960
27 27,275 37,970
28 27,285 37,980
29 27,295 37,990
30 27,305 38,000
31 27,315 38,010
32 27,325 38,020
33 27,335 38,030
34 27,345 38,040
35 27,355 38,050
36 27,365 38,060
37 27,375 38,070
38 27,385 38,080
39 27,395 38,090
40 27,405 38,100

ALIGNMENT VCO/PLL
TP 303
TP 304
TR 302
TP 305
TP 600
Q417
RT 301

ALIGNMENT TRANSMITTER
- Alignment procedure (13,8V/27,6V)
-Connect a DC amperemeter between the power supply and the transceiver.
STEP CONDITION ADJUSTMENT REMARKS OF ADJUSTMENT
1 USB
Channel 20
TX mode
without
modulation
RT204 CCW
RT205 CCW
Check 0,65A±10mA on the amperemeter
2 USB
Channel 20
TX mode
without
modulation
RT205 Adjust RT205 to add
0,1A±10mA=0,75A±10mA
3 USB
Channel 20
TX mode
without
modulation
RT204 Adjust RT204 to add
0,1A±10mA=0,85A±10mA
4 USB
Channel 20
TX mode
with modulation
0,4KHz&2,5KHz
(adjust audio
frequency level to
become 0,5WPEP)
L213
L214
L215
Adjust L213, L214, L215 to reach the
maximum power on the RF power meter.
5 AM
Channel 20
TX mode
without
modulation
L207
RT202
1-Set RT 202 to center position
2-Adjust L207 to maximum reading on
the RF power meter

6 USB
Channel 20
TX mode
with modulation
0,4KHz&2,5KHz
(30mV RMS)
RT202 Adjust RT202 to reach
11Wpep ± 0,5W on the RF power
meter.
7 USB
Channel 20
TX mode
without modulation
RT207 Connect RF probe to TP 201.
Adjust RT 207 to minimum reading
on oscilloscope.
8 AM
Channel 20
TX mode
without modulation
RT203 Adjust RT203 to reach 3,8W ±
0,1W on the RF power meter.
9 AM
Channel 20
TX mode
1,25Khz 30mV
RT206 Adjust RT206
to 90% ± 3% modulation
10 AM
Channel 20
TX mode
without modulation
RT201 Adjust RT201
to reach SRF 9 displayed
on the SRF meter.

ALIGNMENT TRANSMITTER
RT 206 RT 202
RT 204
RT 205
RT 201
RT 207
RT 203

ALIGNMENT RECEIVER
- Alignment procedure (13,8V/27,6V)
STEP CONDITION ADJUSTMENT REMARKS OF ADJUSTMENT
1 AM
Channel 20
Middle volume level.
No squelch active
RF gain: MAX
Fine Coarse: Center
NB/ANL/HiCut: OFF
L1-L2-L3-L5-L6 Connect HF generator (27,205Mhz) to
jack antenna adjusted at (-112dBm
1Khz mod 60%), connect sinad meter
to jack EXT speaker and adjust coils
(L1-L2-L3-L5-L6) for maximum
sensitivity 20dB sinad.
2 AM
Channel 20
Middle volume level.
Squelch: MAX(CW)
RF gain: MAX
Fine Coarse: Center
NB/ANL/HiCut: OFF
RT2 Connect HF generator (27,205Mhz) to
jack antenna adjusted at (-47dBm
1KHz mod 60%) and adjust RT2 so
that the signal is audible .
3 USB
Channel 20
Middle volume level.
Squelch: MAX(CW)
RF gain: MAX
Fine Coarse: Center
NB/ANL/HiCut: OFF
RT1 Connect HF generator (27,206Mhz) to
jack antenna adjusted at (-47dBm no
modulation) and adjust RT1 so that the
signal is audible.
4 AM
Channel 20
Middle volume level.
Squelch: CCW
ASC: ON
RF gain: MAX
Fine Coarse: Center
NB/ANL/HiCut: OFF
RT101 Connect HF generator (27,205Mhz) to
jack antenna adjusted at (-113dBm
1KHz mod 60%) and adjust RT101 so
that the signal is audible .

5 AM
Channel 20
Middle volume level.
No squelch active
RF gain: MAX
Fine Coarse: Center
NB/ANL/HiCut: OFF
Connect HF generator (27,205Mhz) to
jack antenna adjusted at (-67dBm
± 4dBm no modulation) and check
S9 on the SRF meter.
6 Weather channel 6
162,500Mhz
Middle volume level
L506 Connect HF generator to jack antenna
adjusted at (-47dBm 1Khz mod 3Khz
deviation), connect a voltmeter to
TP501 and adjust L506 to reach
4V±0,1V.
6 Weather channel 6
162,500Mhz
Middle volume level
Connect HF generator to jack antenna
adjusted at (-117dBm 1Khz mod 3Khz
deviation), connect sinad meter to jack
EXT speaker and check that the
sensitivity is ≥20dB ± 2dB.
7 Weather channel 6
162,500Mhz
Middle volume level
RT 501 Connect HF generator to jack antenna
adjusted at (-120dBm 1Khz mod 3Khz
deviation), and adjust RT501 so that
the signal is audible.

ALIGNMENT RECEIVER
L 506
RT 501
RT 2 RT 1
RT 101
TP 501

Mc KINLEY US
12/24
BLOC DIAGRAM

ASC AGC
27MHz
10.695MHｚ10.695MHz
10.695MHz
455KHｚ
X303
10.695MHz 455kHz
RX
D303,306
IC301
IC302 TX
FRONT MIC
612V
PD1 5 GND
4 RX AUDIO
3PTT/UP/DN
2 SP GND
J591 1 MIC
VOX MIC. JACK
POWER
INPUT
COM 0-3
MASTER MCU IC601 SLAVE MCU IC404
CH SW
Q203
SSB SW
Q413
PA MIC AMP
Q414
PA MUTE
Q407
BEEP ATT
Q401
BEEP MUTE
Q411
TB MUTE
Q209
COMP DET
IC204
MIC AMP
Q202
AM
CUR CONT
BPF
SW
SW
SW
WX TRAP
GRN
BLU
PD
Q606,607
DIMMER
LCD
SEG 0-51
Q201 SSB
ALC DET
Q602
Q604
Q603
RED
Q3,Q4,Q5
NOISE
AMP
D6
NOISE
DET
Q14,Q21
PULSE
AMP
IC603
EEPROM
Q591
FINAL
Q592
DRV
BUFFE
R
Q593
PRE DRV
÷
2048
Q208
TX BUFFER
Q304 VCO
BUFFER
IC2
SQ AMP
D1,D2
RF ATT
Q1
RF AMP
BPF
Q2
1st Mixer
Q15,Q16
SQ
SENS SW
FT2
MCF
D18
AGC DET
D17
AM DET
Q9
IF AMP
1st
IC1
AGC AMP
2nd
D222,223
TX MIXER
FT1
MCF
Q307
CARRIER
OSC
D410
ANTI
VOX DET
Q18
AM AGC
SW
D101
ASC
NOISE DET
Q22
AM MUTE
Q10
IF AMP
3rd
D19,Q23
ANL
FREQ.
SELECT
IC3
ASC
NOISE AMP
Q6
NB AGC
AMP
BPF
Q8
NB GATE
Q7
2nd Mixer
FT2
Ceramic
IC1
AGC AMP
1st
Q11
IF AMP
2nd
SW
Q17
SSB AGC
SW
Q12
HI CUT
Q439,440
VOX AMP
D411,412
VOX DET
Q12
IF AMP
4th
IC2
SUM AMP
Q13
RX MUTE
Q101
ASC
GATE
Q403
AF MUTE
Q13
SSB DET
Q303, D303
CB VCO
IC202
BAL
MOD.
Q217
COMP DC
AMP
Q215
Buffer
LPF
Q412
INHIBIT
IC401
SP AMP
Q14
SSB MUTE
IC501
2nd Mixer
FT502
BPF
IC501
IF LMT AMP
IC501
FMDET
Q406
RL DRV
IC501
SQ AMP
IC501
NOISE AMP
D502
NOISE
DET
Q301
WX VCO
÷N1
Q306
REF OSC
Q503
1050Hz
BPF
Q504
WAVE
FORM
Q212
SSB
MOD MUTE
Q302 VCO
BUFFER
÷N
REF
OSC
X601, Q601
CLOCK OSC
(10.16MHz)
IC602
RESET
D501
ANT SW
Q501
LNA
Q502
1st Mixer
FT501
BPF
DIRECTIONAL
COUPLER
LPF L203,204
FINAL
MTCH
IC201
2CH
DC AMP
LPF
LPF
Q435
MIC SEL
Q436,437
MIC SEL
Q204,Q205
V LIMIT
Q433,441
DC/DC SW
Q434
MIC SEL
COMP ATT
Q214
Q218
MIC ATT
÷
R
Qxxx
WXINV
Q417
CLOCK OSC
(10.100MHz)
Q421～432, D408,409
MODE SW
Q415,416
5V REGU
Q418,419,420
8V REGU
IC405
DCDC
CONV
IC402
2.5V REF
IC403
RESET
Q220
TBEEP MUTE
Q25
RX TONE
Q409
PWM BUFF-1
IC205 2/2
PWM BUFF-2
IC205 1/2
PWM BUFF-3
Q219
TB ATT
Q210
BAL SW
Q505
WX MUTE
SSB_RX
AM
SSB_RX
TX
SSB_RX
TX
SSB_RX
AM
AM
SSB_RX
ASC GATE
ANL
SSB
AM
WXMUT
RMUT
VOLUME
CB PLL DAT
SRF
CBSQ
SQ
CONT
SSB
AM
SSB SQ
AM/FM SQ
AGC
VT8
RF G
MC G
USB
LSB
AM
SSB_RX
VT8
IDLE
PTT
NC
F
R
REV
FWD
HICUT
VXSNS
MIC
BIAS
MIC
BIAS
JKDET
SRF
PWR SW
V13I
V12
V8
V5
SQVOL
V12
CBSQ
ANL
PLL CLK
SPCONT
PASP
HICUT
P-CONT
ANTVX
P-DIM
9/19
SRF
CHUP
SQVOL
ANTVX
ALTSW
SWM
EEP DAT
EEP CLK
ASC GATE
P_KE
BEEP
NB
CHDN
WXSQ
BEEP
AM
MSEL
MICMUT
ALC
1050Hz
JK DET
BACK LIGHT FOR LCD/KNOBS
FWD
VXSNS
REV
PRESIDENT Mckinley USA BLOCK DIAGRAM
IDLE
27MHz
PLL DAT
VOLMUT
TONE
V13I
MODSIG
NB
AMC
AMC
5kHz
SPCONT
TXC
D7,9
D8,21
Q305
D8,11
D12,13
USB TX/RX:10.6975MHz
LSB TX/RX:10.6925MHz
AM TX :10.6975MHz
ANT
LD
CLARIFIER
TX F ADJ
1050Hz
WXSQ
PAAMP
EXT SP
INT SP
PA SP
PASP
ALTSW
A
MSEL
LD
U
WX PLL DAT
CB
PA
RL401
X301
10.100MHz
X302
10.2417MHz
RED
GRN
BLU
・F/MEM
CB/PA
WEATHER
ANL/NB/HIC
CLK
VL4
DAT
DAT
EN
PLL LE CB
PLL LE WX
RMUT
TBMUT
RMUT
PAAMP
WXMUT
VOLH
VOLH
ALC
SSB
VR8
PC
PC
AM
TB 1-4
AM
L
TBMUT
RXC
10.100MHz
10.100MHz
VT8
VR8
SSBRX
SSB
AM
USB
LSB
VR8
/WXMUT
/WXMUT
TONE
MICMUT
TB LEVEL
BEEP
LEVEL
TB LEVEL
PW1
PW2 PW3
RF G
MIC G
PC
TONE

Mc KINLEY US
12/24
SCHEMATIC DIAGRAM

PRESIDENT

PRESIDENT

PRESIDENT
ASC ASC OUT
ASC IN
ASC adjust