PRESIDENT HENRY classic ASC 12/24 User manual

HENRY classic
ASC
12/24
SERVICE MANUAL

-TECNNICAL CHARACTERITICS
HENRY classic ASC 12/24 ( config: EU PL d EC U In )
1-GENERAL:
-Multiconfiguration (EU, PL, d, EC, U, In)
-EU 40 channels AM/FM 4W (from 26,965Mhz to 27,405Mhz)
-PL 40 channels AM/FM 4W (from 26,960Mhz to 27,400Mhz)
-d 80 channels FM 4W (from 26,565Mhz to 27,405Mhz)
40 channels AM 4W (from 26,965Mhz to 27,405Mhz)
-EC 40 channels FM 4W (from 26,965Mhz to 27,405Mhz)
-U 40 channels CEPT AM/FM 4W (from 26,965Mhz to 27,405Mhz)
40 channels FM UK 4W (from 27,60125Mhz to 27,99125Mhz)
-In 27 channels AM/FM 4W (from 26,965Mhz to 27,275Mhz)
-Channel step
-10KHz
-Class of emission
-AM(A3E)/FM(F3E)
-Power supply
-12V/24V/ From10,8V to 31,2V
-Antenna impedance
-50
-Dimensions(in mm)
-115(W)x180(D)x35(H)
-Weight
-0,8Kg
2-TRANSMISSION:
-Frequency allowance
-±300Hz
-Transmission interference
-Inferior to 4nW(-54dBm)
-Audio frequency response
-From 300Hz to 3kHz in AM/FM
-Emitted power in the adjacent channel
-Inferior to 20µW
-Microphone sensitivity
-Inferior to 10mV
-Current drain
-1,7A(in transmission mode with modulation)
-Modulated signal distortion
-Inferior to 2%

3-RECEPTION:
-Maximum sensitivity at 20dB sinad
-0,5µV(-113dBm) AM/FM
-Audio frequency response
-From 300Hz to 3kHz in AM/FM
-Adjacent channel selectivity
-Superior to 60dB
-Frequency image rejection
-Superior to 60dB
-Intermodulation response
-Superior to 54dB
-Maximum audio power
-2W
-Squelch sensitivity
-Threshold 0,2µV(-120dBm)/Tight 1mV(-47dBm)
-Current drain
-500mA nominal/800mA maximum

ALIGNMENT PROCEDURE
(HENRY classic ASC 12/24V)
* 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
DCVolmeter BFVolmeter
Distortiometer HFVolmeter
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.
FM mode: Level - 107 dBm Frequency 1 KHz with 1,2KHz of deviation.
Transmission
Frequency1 KHz 30mV.

ALIGNMENT VCO/PLL
1 - Alignment procedure (13,2V/26,4V;configuration”EU”)
STEP CONDITION ADJUSTMENT REMARKS OF ADJUSTMENT
1 FM(UK Eng)
RX mode
Channel 20
RT301 Connect a frequency counter to TP200,
and adjust RT301 to reach
38,48625MHz.
2 AM/FM(EU)
RX mode
Channel 20
RT302 Connect a frequency counter to TP200,
and adjust RT302 to reach
37,900MHz.
3 AM/FM(EU)
TX/RX mode
Channel 40
Connect a voltmeter to TP 302, and check:
Tx Channel 40=2,7V±0,2V
Rx Channel 40=2,6V±0,2V
4 AM/FM(EU)
TX/RX mode
Channel 1
Connect a voltmeter to TP 302, and check:
Tx Channel 1=2,5V±0,2V
Rx Channel 1=2,4V±0,2V
5 AM/FM(EU)
TX/RX mode
Channel 1 to 40
or 1 to 80(d)
Connect a frequency counter to TP200,
and check frequencies.

- FREQUENCY LIST (EU channels)
CH Channels
Frequencies
(MHz)
VCO
Frequencies
(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

- FREQUENCY LIST (PL channels)
CH Channels
Frequencies
(MHz)
VCO
Frequencies
(MHz)
1 26,960 37,655
2 26,970 37,665
3 26,980 37,675
4 27,000 37,695
5 27,010 37,705
6 27,020 37,715
7 27,030 37,725
8 27,050 37,745
9 27,060 37,755
10 27,070 37,765
11 27,080 37,775
12 27,100 37,795
13 27,110 37,805
14 27,120 37,815
15 27,130 37,825
16 27,150 37,845
17 27,160 37,855
18 27,170 37,865
19 27,180 37,875
20 27,200 37,895
21 27,210 37,905
22 27,220 37,915
23 27,250 37,945
24 27,230 37,925
25 27,240 37,935
26 27,260 37,955
27 27,270 37,965
28 27,280 37,975
29 27,290 37,985
30 27,300 37,995
31 27,310 38,005
32 27,320 38,015
33 27,330 38,025
34 27,340 38,035
35 27,350 38,045
36 27,360 38,055
37 27,370 38,065
38 27,380 38,075
39 27,390 38,085
40 27,400 38,095

- FREQUENCY LIST (d channels)
CH Channels VCO CH Channels VCO
D Frequencies Frequencies D Frequencies Frequencies
(MHz) (MHz) (MHz) (MHz)
1 26,965 37,660 41 26,565 37,260
2 26,975 37,670 42 26,575 37,270
3 26,985 37,680 43 26,585 37,280
4 27,005 37,70 44 26,595 37,290
5 27,015 37,710 45 26,605 37,300
6 27,025 37,720 46 26,615 37,310
7 27,035 37,730 47 26,625 37,320
8 27,055 37,750 48 26,635 37,330
9 27,065 37,760 49 26,645 37,340
10 27,075 37,770 50 26,655 37,350
11 27,085 37,780 51 26,665 37,360
12 27,105 37,800 52 26,675 37,370
13 27,115 37,810 53 26,685 37,380
14 27,125 37,820 54 26,695 37,390
15 27,135 37,830 55 26,705 37,400
16 27,155 37,850 56 26,715 37,410
17 27,165 37,860 57 26,725 37,420
18 27,175 37,870 58 26,735 37,430
19 27,185 37,880 59 26,745 37,440
20 27,205 37,900 60 26,755 37,450
21 27,215 37,910 61 26,765 37,460
22 27,225 37,930 62 26,775 37,470
23 27,255 37,950 63 26,785 37,480
24 27,235 37,930 64 26,795 37,490
25 27,245 37,940 65 26,805 37,500
26 27,265 37,960 66 26,815 37,510
27 27,275 37,970 67 26,825 37,520
28 27,285 37,980 68 26,835 37,530
29 27,295 37,990 69 26,845 37,540
30 27,305 38,000 70 26,855 37,550
31 27,315 38,010 71 26,865 37,560
32 27,325 38,020 72 26,875 37,570
33 27,335 38,030 73 26,885 37,580
34 27,345 38,040 74 26,895 37,590
35 27,355 38,050 75 26,905 37,600
36 27,365 38,060 76 26,915 37,610
37 27,375 38,070 77 26,925 37,620
38 27,385 38,080 78 26,935 37,630
39 27,395 38,090 79 26,945 37,640
40 27,405 38,100 80 26,955 37,650

- FREQUENCY LIST (EC channels)
CH
CEPT
Channels
Frequencies
(MHz)
VCO
Frequencies
(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

- FREQUENCY LIST (UK channels)
CH
UK
Channels
Frequencies
(MHz)
VCO
Frequencies
(MHz)
1 27,60125 38,29625
2 27,61125 38,30625
3 27,62125 38,31625
4 27,63125 38,32625
5 27,64125 38,33625
6 27,65125 38,34625
7 27,66125 38,35625
8 27,67125 38,36625
9 27,68125 38,37625
10 27,69125 38,38625
11 27,70125 38,39625
12 27,71125 38,40625
13 27,72125 38,41625
14 27,73125 38,42625
15 27,74125 38,43625
16 27,75125 38,44625
17 27,76125 38,45625
18 27,77125 38,46625
19 27,78125 38,47625
20 27,79125 38,48625
21 27,80125 38,49625
22 27,81125 38,50625
23 27,82125 38,51625
24 27,83125 38,52625
25 27,84125 38,53625
26 27,85125 38,54625
27 27,86125 38,55625
28 27,87125 38,56625
29 27,88125 38,57625
30 27,89125 38,58625
31 27,90125 38,59625
32 27,91125 38,60625
33 27,92125 38,61625
34 27,93125 38,62625
35 27,94125 38,63625
36 27,95125 38,64625
37 27,96125 38,65625
38 27,97125 38,66625
39 27,98125 38,67625
40 27,99125 38,68625

- FREQUENCY LIST (In channels)
CH Channels VCO
In Frequencies Frequencies
(MHz) (MHz)
1 26,965 37,660
2 26,975 37,670
3 26,985 37,680
4 27,005 37,70
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

ALIGNMENT TRANSMITTER
1 - Alignment procedure (13,2V/26,4V;configuration”EU”)
STEP CONDITION ADJUSTMENT REMARKS OF ADJUSTMENT
1 AM/FM(EU)TX
Channel 20
RT402 Connect a wattmeter to jack antenna,
adjust RT402 to reach 4W on the
wattmeter.
2 Same as 1 Connect a dummy load to jack antenna.
Check that the “RF meter” displays S9
3 FM(EU)TX
Mod
30 mV 1 KHz
CH 20
RT303 Adjust RT303 to reach ± 1,2KHz of
deviation.
7 AM(EU)TX
Mod
30 mV 1 KHz
CH 20
RT401/RT403 First: Adjust RT401 and RT403 to the
maximum of modulation, then adjust
RT403 to reach ±90% of modulation, then
adjust RT401 to reach ± 85% of
modulation.

ALIGNMENT RECEIVER
1 - Alignment procedure (13,2V/26,4V;configuration”EU”)
STEP CONDITION ADJUSTMENT REMARKS OF ADJUSTMENT
1 AM(EU)
Channel 20
Middle volume
level.
No squelch active
Connect HF generator to jack antenna
adjusted at ( –107dBm 1KHz 60%),
connect sinad meter to jack EXT speaker
and check that the sensitivity
( 20dB sinad).
2 FM(EU)
Channel 20
Middle volume
level
No squelch active
L 12 Connect HF generator to jack antenna
adjusted at ( –107dBm 1KHz 1,2KHz
Dev), connect sinad meter to jack EXT
speaker and adjust L12 for maximum
sensitivity( 20dB sinad).
3 AM(EU)
Channel 20
Middle volume
level
No squelch active
Connect HF generator to jack antenna
adjusted at ( –67dBm 1KHz 60%) and
check that the “S meter” displays S9.
4 AM(EU)
Channel 20
Middle volume
level
Squelch maximum
clockwise
RT1(SQ) Connect HF generator to jack antenna
adjusted at ( –47dBm 1KHz 60%) and
adjust RT1 so that the signal is audible .
5 AM(EU)
Channel 20
Middle volume
level
Squelch maximum
counterclockwise
(ASC)
RT2 Connect HF generator to jack antenna.
Connect sinad meter to jack EXT speaker,
adjust the ouput level of HF generator and
adjust RT2 so that the opening ASC sinad
is 20dB±2dB.

HENRY classic
ASC
12/24
BLOC DIAGRAM

ASC AGC
27MHz
10.695MHz
455kHz
10.24MHz
EXT SP
10.24MHz
37.66MHz
～
38.1MHz
INTERNAL
SP
16Ω
5W
FRONT MIC
6
5
4
RX AUDIO
3
26.965MHz
～
27.405MHz
26.965MHz
～
27.405MHz
2
ANT
1
MIC
MAXMOD
POWER SUPPLY
EN
MCU
IC404
D551
LED MODULE
CH SW
Q204
TX BUFFER
Q203
PRE DRV
Q404,Q405
DIGIT DRV IC406 RESET
IC6
SQ AMP
Q5
2nd Mixer
Q6
IF AMP
1st
Q420,Q423
PWR
REGU
IC301
PLL
IC7
ASC
NOISE AMP
T401
AM MOD
TRANS
Q406
CLK BUFFER
FT1
MCF
D1,D2
RF ATT Q1 RF AMP BPF Q2,Q3 1st Mixer
Q303
VCO
SHIFT
Q202
DRV
Q11
ASC
GATE
Q401
AF MUTE
LPF
D12
AGC DET
D11
AM DET Q10 SUM AMP
D13
ASC
NOISE DET
IC5
FM DET
IC6
AGC AMP
Q8
IF AMP
2nd
FT2
Ceramic
Filter
X301
REF OSC FREQ CONT
Q426
TX POWER
ADJ.
IC406
SP AMP
Q9
AM MUTE
Q19
FM MUTE
D8
ANL
FINAL
MATCH
Q502
FINAL
Q302
VCO
BUFF
IC403
EEPROM
IC402
2.5V REF
Q421,Q424
TX 8V
REGU
Q402
AM MOD
MUTE
Q409,Q412
COMP DET
& DC AMP
Q415
AMC DET
Q301
VCO
IC491
12V DC/DC
Q416,418,422
8V REGU
Q417,419
5V REGU
CONFIG
MATRIX
Q304
FM MOD
MUTE
IC401
LPF IC401 MIC AMP Q407 MIC MUT
LPF
ASC
AMMUT
FMMUT
VOLUME
SCK
DAT
LE
SRF
SQ
SQ
CONT
AGC
VT8
LD
MAX MOD
AM FM PWR ADJ
MIC SW
MIC
BIAS
FIN
12V
8V
5V
FMMUT
AMMUT
XIN
CP
12V
12V
TONE
PLL DAT
LD
UK
OFFSET
UK
SQ
SRF
CONFIG
FM MUT
MIC SW
TB RMUT
TXPC
UK
PLLCLK
PLLDAT
PLLLE
A
B
C
D E
G
ANI
ANI
CHUP
SQVOL
ANI
MULTI
EEP DAT
EEP CLK
RSTN
TONE
CHDN
ASC
ANI
MIC MUT
AMC
MICMUT
XIN
BLOCK DIAGRAM
HENRYCLASSIC 12/24V(UT405ZV)
RMUT
XTAL
OFFSET
EXTCLK
EXTCLK
SQ VOL SQVOL
VT8
VT8
8VVT8
SFT
SFT
TB
AM MUT
TXPC
RFG
PWR SW
RFgain VOL
SP GND
SP GND
AM MOD
FM AM F
OFF OFF CH19
F
DP
S1
S2
S3
S4
TLED
COM1
COM2

HENRY classic
ASC
12/24
SCHEMATIC DIAGRAM