Icom IC-A110 Service Manual Addendum Download Page 3

Page: 3 / 79

Oct. 2008

(REPLACEMENT PAGE)

4-2 PLL ADJUSTMENT

Vdd
DRAIN
VOLTAGE

Idd
DRAIN
CURRENT

PLL LOCK
VOLTAGE

TUNE
VOLTAGE

REFERENCE
FREQUENCY

ADJUSTMENT

ADJUSTMENT CONDITION

MEASUREMENT

VALUE

POINT

UNIT

LOCATION

UNIT

ADJUST

Operating frequency :

118.000 MHz

Receiving

Operating frequency :

127.000 MHz

Transmitting

Operating frequency :

118.000 MHz

Receiving

Transmitting

Operating frequency :

118.000 MHz

Receiving

Operating frequency :

136.950 MHz

Connect an RF power meter or a

dummy load to the antenna

connector.

Transmitting

MAIN

Rear

panel

Connect a digital

1) Unsolder CP5.

multi-meter to drain
terminal of Q51.

Connect a digital
multi-meter to the
check point CP2.

Connect a digital
multi-meter to the
check point CP1.
Loosely couple the
frequency counter
to the antenna con-
nector.

13.5 V

650–750 mA

–

0.5 V

0.5 V [A110]

0.3 V [A110EURO]

0.7 V

136.9500 MHz

MAIN

R392

R222

L41

L40

R59

4-3 TRANSMITTER ADJUSTMENT

OUTPUT
POWER

MODULATION
DEPTH

HEAD SET
MODULATION

ADJUSTMENT

ADJUSTMENT CONDITION

MEASUREMENT

VALUE

POINT

UNIT

LOCATION

UNIT

ADJUST

Operating frequency :

127.000 MHz

No audio applied to the [MIC]

jack.

Transmitting

Operating frequecy :

127.000 MHz

Connect an audio generator to

the [MIC] jack and set as :

1 kHz/10 mVrms

Set a modulation analyzer as :

HPF

: OFF

LPF

: OFF

De-emphasis : OFF
Detector

: (P

–

P)/2

Pre-set R110 and R121 on the

MAIN unit to the center position.

Transmitting

Set an audio generator as:

1 kHz/1 mVrms

Transmitting

Operating frequency :

127.000 MHz

Connect an audio generator to

the [EXT MIC] jack and set as :

1 kHz/25 mVrms

Transmitting

Rear

panel

Rear

panel

Rear

panel

Connect an RF
power meter to the
antenna connector.

Connect a modula-
tion analyzer to the
antenna connector
through an attenua-
tor.

9.0 W

90 %

30 %

MAIN

R150

R121

R110

R336

2) Connect an am-
meter to CP5.

Recover the solder-
ing of CP5.

4 - 3

Summary of Contents for IC-A110

Page 1: ...SERVICE MANUAL ADDENDUM CONTENTS REPLACEMENT PAGES PARTS LIST 1 BOARD LAYOUTS 9 VOLTAGE DIAGRAM 11 Oct 2008 ...

Page 2: ...ltmeter DC ammeter Digital multimeter Audio generator Standard signal generator SSG AC millivoltmeter Attenuator Terminator GRADE AND RANGE Input impedance 50 k Measuring range 0 1 1 A 7 V DC or better Input impedance 10 M7 V DC or better Frequency range 300 3000 Hz Measuring range 1 500 mV Frequency range 0 1 300 MHz Output level 0 1 μV 32 mV 127 to 17 dBm Measuring range 10 mV 10 V Power attenua...

Page 3: ...IN MAIN MAIN MAIN MAIN R392 R222 L41 L40 R59 X1 4 3 TRANSMITTER ADJUSTMENT OUTPUT POWER MODULATION DEPTH HEAD SET MODULATION ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION MEASUREMENT VALUE POINT UNIT LOCATION UNIT ADJUST 1 1 2 1 s Operating frequency 127 000 MHz s No audio applied to the MIC jack s Transmitting s Operating frequecy 127 000 MHz s Connect an audio generator to the MIC jack and set as 1...

Page 4: ...UNE voltage adjustment L40 PLL lock voltage adjustment for TX L41 PLL lock voltage adjustment for RX X1 Reference frequency adjustment CP2 PLL lock voltage check point R121 R110 Modulation depth adjustment R150 Output power adjustment CP5 Unsolder Ammeter connect J6 pin 3 Audio input point Audio generator pin 5 PTT pin 3 MIC pin 4 GND pin 2 MICE CP5 R222 Idd adjustment 4 4 ...

Page 5: ...J3GEYJ 273 V 27 k R43 7030003580 S RES ERJ3GEYJ 153 V 15 k R44 7030003580 S RES ERJ3GEYJ 153 V 15 k R45 7030003580 S RES ERJ3GEYJ 153 V 15 k R46 7030003610 S RES ERJ3GEYJ 273 V 27 k R47 7030003580 S RES ERJ3GEYJ 153 V 15 k C1 4030006860 S CER C1608 JB 1H 102K T C2 4030006860 S CER C1608 JB 1H 102K T C3 4030007090 S CER C1608 CH 1H 470J T C4 4030007090 S CER C1608 CH 1H 470J T C5 4030006860 S CER C...

Page 6: ...54 9 Q83 1530002381 S TRA 2SC4215 Y TE85L F T 110 8 33 7 Q84 1530002381 S TRA 2SC4215 Y TE85L F T 106 4 31 5 Q86 1590001980 S TRA XP4315 TX B 18 7 87 9 Q87 1560001121 S FET 2SK2414 Z E1 AZ B 18 3 36 9 Q88 1560001121 S FET 2SK2414 Z E1 AZ B 25 3 29 8 Q89 1590001170 S TRA XP1501 TX AB T 7 5 50 9 Q90 1510001020 TRA 2SA1471R Q91 1560001121 S FET 2SK2414 Z E1 AZ B 36 6 31 2 Q92 1560001121 S FET 2SK2414...

Page 7: ...YJ 183 V 18K B 120 4 41 R31 7030003460 S RES ERJ3GEYJ 152 V 1 5K B 125 1 37 9 R34 7030003470 S RES ERJ3GEYJ 182 V 1 8K B 133 3 19 2 R35 7030003320 S RES ERJ3GEYJ 101 V 100 B 132 5 16 8 R36 7030003600 S RES ERJ3GEYJ 223 V 22K B 131 9 14 5 R37 7030003650 S RES ERJ3GEYJ 563 V 56K B 129 15 6 R38 7030003460 S RES ERJ3GEYJ 152 V 1 5K B 129 11 8 R40 7030003480 S RES ERJ3GEYJ 222 V 2 2K B 122 7 11 7 R41 7...

Page 8: ...003560 S RES ERJ3GEYJ 103 V 10K B 122 3 13 R372 7030003320 S RES ERJ3GEYJ 101 V 100 T 116 1 27 5 R373 7030003320 S RES ERJ3GEYJ 101 V 100 T 114 29 6 S Surface mount MAIN UNIT REF ORDER DESCRIPTION M H V NO NO LOCATION R374 7030003680 S RES ERJ3GEYJ 104 V 100K T 112 3 31 5 R375 7030003530 S RES ERJ3GEYJ 562 V 5 6K T 113 2 27 5 R376 7030003770 S RES ERJ3GEYJ 564 V 560K T 105 8 28 7 R377 7030003240 S...

Page 9: ...6 1 C14 4030011020 S CER GRM31M4C2H1R0CY21L GRM42 6 CK B 88 5 100 6 C15 4030011180 S CER GRM31M2C2H220JV01L GRM42 6 CH B 93 3 104 9 C16 4030011120 S CER GRM31M2C2H100JV01L GRM42 6 CH B 96 1 93 4 C17 4030011120 S CER GRM31M2C2H100JV01L GRM42 6 CH B 87 1 93 2 C18 4030006860 S CER C1608 JB 1H 102K T B 90 6 87 3 C19 4030006860 S CER C1608 JB 1H 102K T B 94 2 86 6 C20 4030017200 S CER GRM31BR32J102KY01...

Page 10: ...C1608 CH 1H 331J T B 50 6 54 5 C295 4030006860 S CER C1608 JB 1H 102K T T 6 5 45 5 C298 4510008740 S ELE EEE1HA330P T 26 1 49 2 S Surface mount MAIN UNIT REF ORDER DESCRIPTION M H V NO NO LOCATION C299 4030006890 S CER C1608 JF 1H 103Z T B 25 3 46 6 C300 4030011600 S CER C1608 JB 1E 104K T B 28 8 46 C301 4510008580 S ELE EEE0JA470SR T 18 8 49 4 C308 4030006900 S CER C1608 JB 1H 103K T B 91 12 4 C3...

Page 11: ... 44 9 C538 4030007140 S CER C1608 CH 1H 121J T GEN T 78 9 50 3 4030007140 S CER C1608 CH 1H 121J T GEN 1 4030007140 S CER C1608 CH 1H 121J T USA 4030007140 S CER C1608 CH 1H 121J T USA 1 4030007140 S CER C1608 CH 1H 121J T AUS 4030007140 S CER C1608 CH 1H 121J T CHN S Surface mount MAIN UNIT REF ORDER DESCRIPTION M H V NO NO LOCATION C538 4030009650 S CER C1608 CH 1H 240J T EUR 4030009650 S CER C1...

Page 12: ...de B Mounted on the Bottom side MAIN UNIT REF ORDER DESCRIPTION M H V NO NO LOCATION EP4 9040901901 TUB 0 7 L 12MM EP5 6910010220 BEA HF70BB3 5X5X1 3 EUR 6910010220 BEA HF70BB3 5X5X1 3 EUR 1 EP6 9025608001 TUB 1 L 7MM S Surface mount Oct 2008 ...

Page 13: ...572 C573 C574 C580 C582 C583 C587 D3 D36 D53 D54 D55 D57 D64 D65 FI1 FI2 FI3 FI4 FI6 IC5 IC29 IC31 IC41 IC42 IC43 IC45 IC47 IC51 IC52 J5 J6 J7 L2 L3 L4 L5 L6 L7 L9 L10 L11 L21 L22 L23 L27 L31 L33 L35 L36 L39 L40 L41 L42 L43 L48 L49 L50 L52 L53 L55 L56 L57 L60 L61 L62 L63 L64 L65 L67 L68 L69 L70 L71 L82 L83 L84 L85 L89 MP4 MP5 MP6 MP7 MP8 MP13 MP19 Q11 Q16 Q21 Q33 Q43 Q44 Q51 Q51 Q53 Q58 Q59 Q68 Q6...

Page 14: ... Q20 Q22 Q23 Q42 Q52 Q70 Q71 Q72 Q74 Q75 Q79 Q80 Q81 Q82 Q86 Q87 Q88 Q91 Q92 Q93 Q94 Q96 Q97 Q100 Q101 Q102 R1 R2 R3 R9 R11 R12 R13 R14 R15 R17 R18 R19 R20 R25 R30 R31 R34 R35 R36 R37 R38 R40 R41 R42 R43 R45 R46 R48 R49 R50 R61 R62 R64 R65 R66 R67 R68 R69 R70 R71 R72 R73 R74 R75 R76 R77 R78 R79 R80 R85 R86 R87 R95 R108 R111 R112 R113 R117 R126 R127 R128 R131 R132 R148 R149 R151 R152 R153 R174 R182...

Page 15: ...6 ALI 7 AHI 8 HDEL 9 LDEL 10 AHB 11 AHO 12 AHS 13 ALO 14 ALS 15 VCC 16 VDD 17 BLS 18 BLO 19 BHS 20 BHO Q98 2SA1586 W32 0 R322 4 7 0 1 C543 68P C502 L78 ZBFS5105 0 01 C317 R443 10K 0 001 C6 0 001 C277 R69 150K TC4S66 F IC30 1 2 3 4 5 22 R501 0 75P C23 L81 ZBFS5105 R440 10K 0 001 C374 10K R110 CP06S CP13 22P C154 R148 22K MC33063ADG IC46 1 SWC 2 SWE 3 TIM 4 GND 5 INV 6 VCC 7 IPK 8 DRV L15 0 22U R433...

Page 16: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 7 VOLTAGE DIAGRAM 9 Jun 2008 ...

Page 17: ... ERJ3GEYJ 273 V 27 k R43 7030003580 S RES ERJ3GEYJ 153 V 15 k R44 7030003580 S RES ERJ3GEYJ 153 V 15 k R45 7030003580 S RES ERJ3GEYJ 153 V 15 k R46 7030003610 S RES ERJ3GEYJ 273 V 27 k R47 7030003580 S RES ERJ3GEYJ 153 V 15 k C1 4030006860 S CER C1608 JB 1H 102K T C2 4030006860 S CER C1608 JB 1H 102K T C3 4030007090 S CER C1608 CH 1H 470J T C4 4030007090 S CER C1608 CH 1H 470J T C5 4030006860 S CE...

Page 18: ...TR DTC144EUA T106 B 16 6 99 7 Q102 1530002280 S TR 2SC4081 T106 S B 17 7 23 1 D1 1750000511 S DIO UX9401F STD TR B 121 83 D2 1750000511 S DIO UX9401F STD TR B 118 3 75 1 D3 1750000511 S DIO UX9401F STD TR T 110 82 4 D4 1790001670 S DIO RB706F 40T106 B 94 2 90 5 D5 1790001670 S DIO RB706F 40T106 B 88 3 90 4 D6 1720000781 S VCP HVU350BTRF E B 133 5 65 7 S Surface mount MAIN UNIT REF ORDER DESCRIPTIO...

Page 19: ...3 V 10 k B 70 1 17 5 R128 7030003560 S RES ERJ3GEYJ 103 V 10 k B 65 3 18 9 R131 7030003440 S RES ERJ3GEYJ 102 V 1 k B 53 37 6 R132 7030003560 S RES ERJ3GEYJ 103 V 10 k B 49 8 35 6 R148 7030003600 S RES ERJ3GEYJ 223 V 22 k B 87 6 84 2 R149 7030003520 S RES ERJ3GEYJ 472 V 4 7 k B 84 3 79 R150 7310004530 S TRI EVM 2WSX80 B14 103 T 85 3 78 9 R151 7030003500 S RES ERJ3GEYJ 332 V 3 3 k B 84 6 82 7 R152 ...

Page 20: ...98 1 10 R478 7030003670 S RES ERJ3GEYJ 823 V 82 k T 106 3 34 1 R479 7510001571 S TMR NTCG16 4LH 104JT T 104 4 34 9 R484 7030003510 S RES ERJ3GEYJ 392 V 3 9 k B 112 2 19 3 R485 7030003440 S RES ERJ3GEYJ 102 V 1 k A110EURO only B 76 2 23 6 S Surface mount MAIN UNIT REF ORDER DESCRIPTION M H V NO NO LOCATION R486 7030003420 S RES ERJ3GEYJ 681 V 680 B 46 7 45 4 R487 7030003560 S RES ERJ3GEYJ 103 V 10 ...

Page 21: ...S ELE EEE1HA330P T 26 1 49 2 C299 4030006890 S CER C1608 JF 1H 103Z T B 25 3 46 6 S Surface mount MAIN UNIT REF ORDER DESCRIPTION M H V NO NO LOCATION C300 4030011600 S CER C1608 JB 1E 104K T B 28 8 46 C301 4510008580 S ELE EEE0JA470SR T 18 8 49 4 C308 4030006900 S CER C1608 JB 1H 103K T B 91 12 4 C309 4030011600 S CER C1608 JB 1E 104K T B 103 9 7 9 C312 4030006860 S CER C1608 JB 1H 102K T B 28 1 ...

Page 22: ... 150J T T 105 1 59 5 C553 4550007260 S TAN F931C475MAABMA B 14 1 22 4 C554 4030017190 S CER GRM31AR32J471KW01D T 59 2 112 1 C555 4030009650 S CER C1608 CH 1H 240J T B 95 1 49 5 C556 4030009650 S CER C1608 CH 1H 240J T B 96 4 51 4 C557 4030004750 S CER C2012 JB 1H 103K T B 33 7 58 5 C558 4030006860 S CER C1608 JB 1H 102K T B 93 5 26 4 C559 4030007070 S CER C1608 CH 1H 330J T A110EURO only B 33 6 60...

Page 23: ...54 C572 C573 C574 C580 C582 C583 C587 D3 D36 D53 D54 D55 D57 D64 D65 FI1 FI2 FI3 FI4 FI6 IC5 IC29 IC31 IC41 IC42 IC43 IC45 IC47 IC51 IC52 J5 J6 J7 L2 L3 L4 L5 L6 L7 L9 L10 L11 L21 L22 L23 L27 L31 L33 L35 L36 L39 L40 L41 L42 L43 L48 L49 L50 L52 L53 L55 L56 L57 L60 L61 L62 L63 L64 L65 L67 L68 L69 L70 L71 L82 L83 L84 L85 L89 MP4 MP5 MP6 MP7 MP8 MP13 MP19 Q11 Q16 Q21 Q33 Q43 Q44 Q51 Q51 Q53 Q58 Q59 Q6...

Page 24: ... Q15 Q20 Q22 Q23 Q42 Q52 Q70 Q71 Q72 Q74 Q75 Q79 Q80 Q81 Q82 Q86 Q87 Q88 Q91 Q92 Q93 Q94 Q96 Q97 Q100 Q101 Q102 R1 R2 R3 R9 R11 R12 R13 R14 R15 R17 R18 R19 R20 R25 R30 R31 R34 R35 R36 R37 R38 R40 R41 R42 R43 R45 R46 R48 R49 R50 R61 R62 R64 R65 R66 R67 R68 R69 R70 R71 R72 R73 R74 R75 R76 R77 R78 R79 R80 R85 R86 R87 R95 R108 R111 R112 R113 R117 R126 R127 R128 R131 R132 R148 R149 R151 R152 R153 R174 ...

Page 25: ... AHI 8 HDEL 9 LDEL 10 AHB 11 AHO 12 AHS 13 ALO 14 ALS 15 VCC 16 VDD 17 BLS 18 BLO 19 BHS 20 BHO Q98 2SA1586 W32 0 R322 4 7 0 1 C543 68P C502 L78 ZBFS5105 0 01 C317 R443 10K 0 001 C6 0 001 C277 R69 150K TC4S66 F IC30 1 2 3 4 5 22 R501 0 75P C23 L81 ZBFS5105 R440 10K 0 001 C374 10K R110 CP06S CP13 22P C154 R148 22K MC33063ADG IC46 1 SWC 2 SWE 3 TIM 4 GND 5 INV 6 VCC 7 IPK 8 DRV L15 0 22U R433 47K R4...

Page 26: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 7 BLOCK DIAGRAM 9 VOLTAGE DIAGRAM 10 Sep 2006 ...

Page 27: ...S ERJ3GEYJ 273 V 27 k R42 7030003610 S RES ERJ3GEYJ 273 V 27 k R43 7030003580 S RES ERJ3GEYJ 153 V 15 k R44 7030003580 S RES ERJ3GEYJ 153 V 15 k R45 7030003580 S RES ERJ3GEYJ 153 V 15 k R46 7030003610 S RES ERJ3GEYJ 273 V 27 k R47 7030003580 S RES ERJ3GEYJ 153 V 15 k C1 4030006860 S CER C1608 JB 1H 102K T C2 4030006860 S CER C1608 JB 1H 102K T C3 4030007090 S CER C1608 CH 1H 470J T C4 4030007090 S...

Page 28: ...0430 S TR DTC144EUA T106 B 16 6 99 7 Q102 1530002280 S TR 2SC4081 T106 S B 17 7 23 1 D1 1750000510 S DIO UM9401F B 121 83 D2 1750000510 S DIO UM9401F B 118 3 75 1 D3 1750000510 S DIO UM9401F T 110 82 4 D4 1790001670 S DIO RB706F 40T106 B 94 2 90 5 S Surface mount MAIN UNIT REF ORDER DESCRIPTION M H V NO NO LOCATION D5 1790001670 S DIO RB706F 40T106 B 88 3 90 4 D6 1720000781 S VCP HVU350BTRF E B 13...

Page 29: ...3 S Surface mount MAIN UNIT REF ORDER DESCRIPTION M H V NO NO LOCATION R123 7030003630 S RES ERJ3GEYJ 393 V 39 k T 112 7 9 3 R124 7030003630 S RES ERJ3GEYJ 393 V 39 k T 110 6 6 5 R126 7030003560 S RES ERJ3GEYJ 103 V 10 k B 74 8 17 8 R127 7030003560 S RES ERJ3GEYJ 103 V 10 k B 70 1 17 5 R128 7030003560 S RES ERJ3GEYJ 103 V 10 k B 65 3 18 9 R131 7030003440 S RES ERJ3GEYJ 102 V 1 k B 53 37 6 R132 703...

Page 30: ...ERJ3GEYJ 103 V 10 k B 18 2 103 3 R467 7030003800 S RES ERJ3GEYJ 105 V 1 M B 43 6 63 7 R468 7030006120 S RES ERJ1WYJ4R7U 4 7 GEN AUS EUR EUR 1 T 50 3 105 4 S Surface mount MAIN UNIT REF ORDER DESCRIPTION M H V NO NO LOCATION R469 7030000100 S RES MCR10EZHJ 4R7 4 7 GEN 1 USA USA 1 B 51 3 105 4 R470 7030003600 S RES ERJ3GEYJ 223 V 22 k B 15 8 23 7 R471 7030003600 S RES ERJ3GEYJ 223 V 22 k B 10 2 10 5...

Page 31: ...0 4 23 6 C258 4030006900 S CER C1608 JB 1H 103K T B 68 7 23 6 C259 4030008860 S CER C1608 JB 1H 153K T B 63 8 28 6 S Surface mount MAIN UNIT REF ORDER DESCRIPTION M H V NO NO LOCATION C260 4030006860 S CER C1608 JB 1H 102K T B 65 1 30 C261 4030008880 S CER C1608 JB 1H 223K T B 61 3 34 8 C262 4030011340 S CER C1608 CH 1H 471J T B 58 3 33 4 C263 4030012660 S CER C1608 JB 1E 683K T B 55 2 29 6 C264 4...

Page 32: ...T T 76 4 44 9 C538 4030007140 S CER C1608 CH 1H 121J T except EUR EUR 1 T 78 9 50 3 4030009650 S CER C1608 CH 1H 240J T EUR EUR 1 T 78 9 50 3 C539 4030007030 S CER C1608 CH 1H 150J T EUR EUR 1 T 81 3 47 1 C540 4030006860 S CER C1608 JB 1H 102K T T 85 1 46 5 C541 4030011600 S CER C1608 JB 1E 104K T T 107 9 18 5 C542 4030011600 S CER C1608 JB 1E 104K T T 107 9 15 9 C543 4030011600 S CER C1608 JB 1E ...

Page 33: ...2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 4 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 8 2 0 0 0 044 6 6 3 02 31 0 044 6 6 3 02 31 0 30 30 30 30 6 6 6 42 4 54 037 05 6 044 0443 2 54 54 3 54 6 3 3 3 0 37 5 0 34 3 3 2 4 31 FROM TO 2 4 UNIT s 5 4 52 4 0 6 7 s 2 4 5 4 4 0 6 7 s 2 4 5 4 52 4 0 6 7 ...

Page 34: ... 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 7 7 7 7 7 7 7 7 7 7 30 30 30 30 6 6 6 42 4 54 037 05 6 044 0443 2 54 54 3 54 6 3 3 3 0 37 5 0 34 3 3 2 4 0 4 31 FROM TO UNIT 30 30 30 30 6 6 6 42 4 54 037 05 6 044 0443 2 54 54 3 54 6 3 3 3 0 37 5 0 34 3 3 2 4 0 4 31 FROM TO UNIT 1 3 4 5 8 0 1 6 1 6 0 4 1 4...

Page 35: ... IP4081AIBZ IC47 1 BHB 2 BHI 3 DIS 4 VSS 5 BL I 6 ALI 7 AHI 8 HDEL 9 LDEL 10 AHB 11 AHO 12 AHS 13 ALO 14 ALS 15 VCC 16 VDD 17 BLS 18 BLO 19 BHS 20 BHO Q98 2SA1586 W32 0 R322 4 7 0 1 C543 68P C502 L78 ZBFS5105 0 01 C317 R443 10K 0 001 C6 0 001 C277 R69 150K TC4S66 F IC30 1 2 3 4 5 22 R501 0 75P C23 L81 ZBFS5105 R440 10K 0 001 C374 10K R110 CP06S CP13 22P C154 R148 22K MC33063ADG IC46 1 SWC 2 SWE 3 ...

Page 36: ...SERVICE MANUAL VHF AIR BAND TRANSCEIVER iA110 iA110EURO ...

Page 37: ...RDER 1130008830 S IC TB31207AFN IC A110 MAIN UNIT 5 pieces 8810009130 Screw BT M3x12 NI ZU IC A110 Buttom cover 10 pieces Addresses are provided on the inside back cover for your convenience REPAIR NOTES 1 Make sure a problem is internal before disassembling the transceiver 2 DO NOT open the transceiver until the transceiver is disconnected from its power source 3 DO NOT force any of the variable ...

Page 38: ... ALLOCATIONS 3 5 SECTION 4 ADJUSTMENT PROCEDURES 4 1 PREPARATION 4 1 4 2 PLL ADJUSTMENTS 4 3 4 3 RECEIVER ADJUSTMENTS 4 5 4 4 TRANSMITTER ADJUSTMENTS 4 7 SECTION 5 PARTS LIST SECTION 6 MECHANICAL PARTS AND DISSASEMBLY SECTION 7 SEMI CONDUCTOR INFORMATION SECTION 8 BOARD LAYOUTS 8 1 FRONT UNIT IC A110 8 1 8 2 MAIN UNIT IC A110 8 3 8 3 FRONT UNIT IC A110EURO 8 5 8 4 MAIN UNIT IC A110EURO 8 7 SECTION...

Page 39: ...ratio More than 40 dB Spurious emissions 16 dBm or less except 62 5 kHz of operating frequency Antenna requirements Standard 50 Ω antenna with a VSWR 3 1 RECEIVER m e t s y s e n y d o r e t e h r e p u s n o i s r e v n o c e l b u o D m e t s y s e v i e c e R Intermediate frequencies 1st 38 85 MHz 2nd 450 kHz N S B d 6 t a V µ 1 n a h t s s e L y t i v i t i s n e S Squelch sensitivity Less tha...

Page 40: ...6 dBm 9 kHz to 30 MHz Less than 36 dBm for har monics 30 MHz to 1 GHz Less than 46 dBm for non harmonics 30 MHz to 1 GHz Less than 30 dBm for har monics 1 GHz to 4 GHz Less than 40 dBm for non harmonics 1 GHz to 4 GHz Antenna requirements Standard 50 Ω antenna with a VSWR 3 1 RECEIVER Receive system Double conversion super heterodyne system Intermediate frequencies 1st 38 85 MHz 2nd 450 kHz Sensit...

Page 41: ... Q11 2SC4081 Crystal band pass filter FI2 FL 307 USA 1 only Power complifier Q51 MRF137 TCXO X1 CR 657A 2 1 SECTION 2 INSIDE VIEWS MAIN UNIT IC A110 TOP VIEW AF amplifier IC37 TDA7233D RX 1st mixer Q2 3SK184 2nd IF IC IC40 TA31136FN PLL IC IC2 TB31207AFN PWM modulator IC44 µPC311G2 EEPROM IC4 BA3308F Low pass filter Antenna switching circuit AF power amplifier Q92 93 2SK2414 Z BOTTOM VIEW ...

Page 42: ...amplifier Q11 2SC4081 Crystal band pass filter FI2 FL 307 Power complifier Q51 MRF137 TCXO X1 CR 658A MAIN UNIT IC A110EURO TOP VIEW AF amplifier IC37 TDA7233D RX 1st mixer Q2 3SK184 2nd IF IC IC40 TA31136FN PLL IC IC2 TB31207AFN PWM modulator IC44 µPC311G2 EEPROM IC4 BA3308F Low pass filter Antenna switching circuit AF power amplifier Q92 93 2SK2414 Z BOTTOM VIEW 2 2 ...

Page 43: ...N UNIT The 1st mixer circuit converts the received signal into a fixed frequency of the 1st IF signal with a PLL output frequency By changing the PLL frequency only the desired frequency will pass through a crystal filter at the next stage of the 1st mixer The filtered signals from the RF circuit are mixed at the 1st mixer Q2 with a 1st LO signal coming from the VCO circuit to produce a 38 85 MHz ...

Page 44: ...ation is included in the signal the squelch circuit cuts out the AF signal by com paring voice audio and noise audio components in the AF detected signals The 2nd IF signal from the IF IC MAIN unit IC40 pin 3 passes through the 450 kHz ceramic filter Wide mode FI3 Narrow mode FI4 to remove out of band signals and then applied to the IF amplifier A portion of the amplified 2nd IF signal from the IF...

Page 45: ...3 C468 and then applied to the drain of power amplifier Q51 for the last stage modulation 3 2 3 DRIVE POWER AMPLIFIER CIRCUITS MAIN UNIT The amplifier circuit amplifies the VCO oscillating signal to the output power level The signal from the buffer amplifiers Q14 Q15 is passed through the TX RX switch D11 and is amplified at the pre amplifier Q42 pre drivers Q20 Q21 and the power amplifier Q51 to ...

Page 46: ...OOP MAIN UNIT The generated signal at the RX VCO Q59 D65 enters the PLL IC IC2 pin 8 and is divided at the programmable divider section The divided signal is then applied to the phase detector section The phase detector compares the input signal with a refer ence frequency and then outputs the out of phase signal pulse type signal from pin 9 The pulse type signal is converted into DC voltage lock ...

Page 47: ...ted by the 8 V regulator circuit IC29 8 V for receiver circuits regulated by the 8 V regulator circuit IC29 3 5 PORT ALLOCATIONS 3 5 1 OUTPUT EXPANDER IC FRONT UNIT IC5 Pin number 4 5 6 7 11 12 13 14 Port name LED1 LED2 TRC R T SMUT AFMUT RMUT TMUT Description Outputs backlight control signals Outputs control signal to the MOD AF swtich MAIN unit IC48 pin 5 and etc High While transmitting Outputs ...

Page 48: ...EEPROM FRONT unit IC4 pin 2 Outputs serial data to the PLL IC MAIN unit IC2 pin 4 the expander IC FRONT unit IC5 pin 2 and the electric volume MAIN unit IC13 pin 9 Outputs strobe signals to the PLL IC MAIN unit IC2 pin 5 Outputs 2nd IF filter s select signal High While wide is selected Input port for the unlock signal from the PLL IC MAIN unit IC2 pin 11 Low PLL is unlocked Input port for the clon...

Page 49: ...oltmeter Digital multimeter Audio generator Standard signal generator SSG AC millivoltmeter Attenuator Terminator GRADE AND RANGE Input impedance 50 kΩ V DC or better Input impedance 10 MΩ V DC or better Frequency range 300 3000 Hz Measuring range 1 500 mV Frequency range 0 1 300 MHz Output level 0 1 µV 32 mV 127 to 17 dBm Measuring range 10 mV 10 V Power attenuation 40 or 50 dB Capacity 50 W or m...

Page 50: ...illivoltmeter Modulation analyzer Attenuator 40 dB or 50 dB Power supply DC 13 75 V 10 A Distortion meter AC millivoltmeter CAUTION DO NOT transmit while an SSG is connected to the antenna connector Frequency counter Personal computer OPC 592 to an RS 232C port OPC 478 DB9 female plug incl level converter circuit CONNECTION 1 2 3 4 5 6 7 8 MIC connector Audio generator Pin 4 PTT Pin 7 GND AC milli...

Page 51: ... L40 R59 X1 4 3 TRANSMITTER ADJUSTMENT OUTPUT POWER MODULATION DEPTH HEAD SET MODULATION ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION MEASUREMENT VALUE POINT UNIT LOCATION UNIT ADJUST 1 1 2 1 Operating frequency 127 000 MHz No audio applied to the MIC jack Transmitting Operating frequecy 127 000 MHz Connect an audio generator to the MIC jack and set as 1 kHz 10 mVrms Set a modulation analyzer as HPF...

Page 52: ...age check point R59 TUNE voltage adjustment L40 PLL lock voltage adjustment for TX L41 PLL lock voltage adjustment for RX X1 Reference frequency adjustment CP2 PLL lock voltage check point R121 R110 Modulation depth adjustment R150 Output power adjustment J6 pin 3 Audio input point Audio generator pin 5 PTT pin 3 MIC pin 4 GND pin 2 MICE ...

Page 53: ...8 µV 122 dBm A110EURO 0 25 µV 119 dBm Modulation OFF Receiving Set an SSG as Level 5 6 µV 92 dBm Modulation OFF Rear panel Front panel Connect an AC milli voltmeter and dis tortion meter with 8 Ω load to the exter nal SP jack Display Maximum AF output level Maximum AF output level MAIN This output level of the standard signal generator SSG is indicated as SSG s open circuit L9 L10 L11 L49 R59 Veri...

Page 54: ...4 6 DC power supply 13 75 V 10 A L9 R59 L49 L10 L11 RX sensitivity adjustment ...

Page 55: ...7030003610 S RESISTOR ERJ3GEYJ 273 V 27 kΩ R42 7030003610 S RESISTOR ERJ3GEYJ 273 V 27 kΩ R43 7030003580 S RESISTOR ERJ3GEYJ 153 V 15 kΩ R44 7030003580 S RESISTOR ERJ3GEYJ 153 V 15 kΩ R45 7030003580 S RESISTOR ERJ3GEYJ 153 V 15 kΩ R46 7030003610 S RESISTOR ERJ3GEYJ 273 V 27 kΩ R47 7030003580 S RESISTOR ERJ3GEYJ 153 V 15 kΩ C1 4030006860 S CERAMIC C1608 JB 1H 102K T A C2 4030006860 S CERAMIC C1608 ...

Page 56: ...20 S FET 2SK2414 Z E1 Q88 1560001120 S FET 2SK2414 Z E1 Q89 1590001170 S TRANSISTOR XP1501 TX AB Q90 1510001020 TRANSISTOR 2SA1471R Q91 1560001120 S FET 2SK2414 Z E1 Q92 1560001120 S FET 2SK2414 Z E1 Q93 1560001120 S FET 2SK2414 Z E1 Q94 1590002870 S FET FW215 TL Q96 1590000430 S TRANSISTOR DTC144EUA T106 Q97 1590000430 S TRANSISTOR DTC144EUA T106 Q98 1510000770 S TRANSISTOR 2SA1586 GR TE85R Q99 1...

Page 57: ...7030003220 S RESISTOR ERJ3GEYJ 150 V 15 Ω R66 7030003220 S RESISTOR ERJ3GEYJ 150 V 15 Ω R67 7030003220 S RESISTOR ERJ3GEYJ 150 V 15 Ω R68 7030003480 S RESISTOR ERJ3GEYJ 222 V 2 2 kΩ R69 7030003700 S RESISTOR ERJ3GEYJ 154 V 150 kΩ R70 7030003400 S RESISTOR ERJ3GEYJ 471 V 470 Ω R71 7030003280 S RESISTOR ERJ3GEYJ 470 V 47 Ω R72 7030003660 S RESISTOR ERJ3GEYJ 683 V 68 kΩ R73 7030003370 S RESISTOR ERJ3...

Page 58: ...J 473 V 47 kΩ R398 7030003480 S RESISTOR ERJ3GEYJ 222 V 2 2 kΩ R399 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kΩ R400 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kΩ R401 7030003480 S RESISTOR ERJ3GEYJ 222 V 2 2 kΩ R403 7030003480 S RESISTOR ERJ3GEYJ 222 V 2 2 kΩ R404 7030003480 S RESISTOR ERJ3GEYJ 222 V 2 2 kΩ R405 7030003650 S RESISTOR ERJ3GEYJ 563 V 56 kΩ R406 7030003470 S RESISTOR ERJ3GEYJ 182 V 1 8 kΩ...

Page 59: ...AMIC C1608 CH 1H 330J T A C102 4030007050 S CERAMIC C1608 CH 1H 220J T A C103 4030007100 S CERAMIC C1608 CH 1H 560J T A C110 4030012600 S CERAMIC C2012 JB 1A 105M T A C112 4550006220 S TANTALUM TEMSVA 0J 156M 8L C113 4510004630 S ELECTROLYTIC ECEV1CA100SR C114 4550006140 S TANTALUM ECST1EY474R C115 4030006860 S CERAMIC C1608 JB 1H 102K T A C116 4030006900 S CERAMIC C1608 JB 1E 103K T A C117 403000...

Page 60: ...S CERAMIC C1608 CH 1H 120J T A B only C395 4030006950 S CERAMIC C1608 CH 1H 040C T A C396 4030012610 S CERAMIC C2012 JB 1C 474K T A C397 4030012610 S CERAMIC C2012 JB 1C 474K T A C398 4030009000 S CERAMIC C2012 JB 1C 224K T A C399 4510006220 S ELECTROLYTIC ECEV1CA101UP C400 4510004640 S ELECTROLYTIC ECEV1CA470SP C401 4510004640 S ELECTROLYTIC ECEV1CA470SP C402 4030008980 S CERAMIC C2012 JB 1C 154K...

Page 61: ...C C1608 JB 1H 102K T A A only C568 4030006850 S CERAMIC C1608 JB 1H 471K T A A only C569 4030004720 S CERAMIC C2012 JB 1H 102K T A A only C570 4030004710 S CERAMIC C2012 JB 1H 471K T A A only C571 4030005030 S CERAMIC C2012 CH 1H 221J T A A only C572 4030007170 S CERAMIC C1608 CH 1H 221J T A A only C573 4030007130 S CERAMIC C1608 CH 1H 101J T A A only C574 4030007090 S CERAMIC C1608 CH 1H 470J T A...

Page 62: ...440 2270 thermal sheet TC 200TKC 1 MP18 8930051830 2270 B sheet 1 MP19 8930051820 2270 A sponge 1 MP20 8930052930 Theraml sheet P TC 500TK 1 ACCESSORIES REF NO ORDER NO DESCRIPTION QTY F1 5210000070 Fuse FGB 10A 2 W1 8900003741 DC power cable OPC 344 A110 1 8900010730 DC power cable OPC 1091 A110EURO 1 W2 8900000730 Microphone HANG cable OPC 049 1 MC1 0800005780 Microphone HM 100N 1 MP1 8010016730...

Page 63: ...S1 F EP2 F J2 F FRONT UNIT MP10 F MP14 F MP15 F MP10 F MP4 C MP12 C J1 C MP1 C MP9 C MP20 C Unit abbreviations F FRONT UNIT M MAIN UNIT C CHASSIS PARTS MP7 C MP8 F MP7 C MP10 C SP1 F MP6 F MP7 F MP13 C OPPOSITE DIRECTION TO THE MAIN UNIT MP2 C MP7 M MP1 M MP2 M MP2 C MP2 C MP8 M MP3 C MP6 M MP5 M MP4 M MP9 M MP6 C MP2 C MP2 C W1 M ...

Page 64: ...9 A R 2SK2414 Z E1 2SK3074 2SK3075 2SK880 GR 3SK184 R DTA143ZUA T106 DTA144EUA T106 DTB123 EK T147 DTC114EUA T106 DTC144 EE TL DTC144EUA T106 XP1501 AB XP4315 FW215 TL MRF137 XP1113 Symbol QY Symbol R25 Symbol R45 Symbol LY3 Symbol LG Symbol UW Symbol UB F Symbol XG Symbol 3R R Symbol 113 Symbol 16 Symbol F12 Symbol 24 Symbol 26 Symbol 5R Symbol 26 Symbol CB Symbol MRF133 Symbol W215 Symbol 7L 1SS...

Page 65: ...N GND MICE AFO 8V V M SCAN PRI SQL I MP2 8 1 SECTION 8 BOARD LAYOUTS The combination of this page and the next page show the unit layout in the same configuration as the actual P C Board 8 1 FRONT UNIT IC A110 TOP VIEW ...

Page 66: ... 8 1 8 9 16 W1 W2 SPE SP GND GND SPE SPE SP SP 8V VCC 5V TRC TMUT PSWC CPU5V MICE MIC PTT PTTS GND GND GND GND GND RMUT AFMUT SMUT VCS SCK SO BEEP FISW UNLK PLSTB SO SCK R T PDET SQLI GND GND GND 2 40 1 39 J1 from to MAIN unit J5 8 2 BOTTOM VIEW ...

Page 67: ...V VCC 5V TRC TMUT PSWC CPU5V MICE MIC PTT PTTS GND GND GND GND GND RMUT AFMUT SMUT VCS SCK SO BEEP FISW UNLK PLSTB SO SCK R T NC SQLI GND GND GND 2 40 1 39 J5 from to FRONT unit J1 J1 8 2 MAIN UNIT IC A110 TOP VIEW 8 3 The combination of this page and the next page show the unit layout in the same configuration as the actual P C Board ...

Page 68: ...4 4 5 5 1 1 3 3 1 4 5 8 1 4 5 8 1 4 5 8 1 4 5 8 1 4 5 8 1 8 9 16 1 3 4 5 1 7 8 14 1 4 5 8 1 8 16 9 1 7 8 14 1 4 5 8 1 4 5 8 1 4 5 8 1 8 9 16 W36 RED W37 BLACK BOTTOM VIEW 8 4 ...

Page 69: ...IC PTT CLON GND MICE AFO 8V V M SCAN PRI SQL I MP2 8 5 8 3 FRONT UNIT IC A110EURO TOP VIEW The combination of this page and the next page show the unit layout in the same configuration as the actual P C Board ...

Page 70: ... 8 1 8 9 16 W1 W2 SPE SP GND GND SPE SPE SP SP 8V VCC 5V TRC TMUT PSWC CPU5V MICE MIC PTT PTTS GND GND GND GND GND RMUT AFMUT SMUT VCS SCK SO BEEP FISW UNLK PLSTB SO SCK R T PDET SQLI GND GND GND 2 40 1 39 J1 from to MAIN unit J5 8 6 BOTTOM VIEW ...

Page 71: ...C 5V TRC TMUT PSWC CPU5V MICE MIC PTT PTTS GND GND GND GND GND RMUT AFMUT SMUT VCS SCK SO BEEP FISW UNLK PLSTB SO SCK R T NC SQLI GND GND GND 2 40 1 39 J5 from to FRONT unit J1 J1 MP13 8 4 MAIN UNIT IC A110EURO TOP VIEW 8 7 The combination of this page and the next page show the unit layout in the same configuration as the actual P C Board ...

Page 72: ...4 4 5 5 1 1 3 3 1 4 5 8 1 4 5 8 1 4 5 8 1 4 5 8 1 4 5 8 1 8 9 16 1 3 4 5 1 7 8 14 1 4 5 8 1 8 16 9 1 7 8 14 1 4 5 8 1 4 5 8 1 4 5 8 1 8 9 16 W36 RED MP18 MP16 W37 BLACK BOTTOM VIEW 8 8 ...

Page 73: ...DC DC CONVERT CONTROL IC46 MC33063AD DC DC CONVERT CONTROL Q72 XP4315 Q53 DTB123EK R8 SW Q59 2SC4226 RX VCO D65 HVU350B Q89 XP1501 POWER SW CTRL D44 MA8051 IC40 TA31136FN 2nd IF IC IC18 TC4W53FU W28 W N SW FI3 CFWM450D CERAMIC BPF T1 ST 82P IMPE CONVERT DANCE IC31 TA75S01F LPF IC13 TC9260F E VOL Q77 2SD1819A AMP AGC Q78 2SD1819A AMP AGC FI1 FL 306 XTAL BPF Q74 2SB798 Q75 2SC4081 S MUTE Q86 XP4315 ...

Page 74: ...72 AVCC 73 PB0 AN0 74 PB1 AN1 75 PB2 AN2 76 PB3 AN3 77 PB4 AN4 78 PB5 AN5 79 IC4 CS 1 SO 2 WP 3 VSS 4 SI 5 SCK 6 HOLD 7 VCC 8 IC3 1 2 3 4 5 6 7 8 IC5 STR 1 D 2 CLK 3 Q1 4 Q2 5 Q3 6 Q4 7 VSS 8 QS 9 QS 10 Q8 11 Q7 12 Q6 13 Q5 14 OE 15 VDD 16 Q2 Q3 D5 MA111 D6 C27 PTT MICE MIC 5V 8V SP 10 J2 DS1 COM4 1 COM3 2 COM2 3 COM1 4 SEG1 5 SEG2 6 SEG3 7 SEG4 8 SEG5 9 SEG6 10 SEG7 11 SEG8 12 SEG9 13 SEG10 14 AE...

Page 75: ...6nH C100 0 001 C167 0 001 C168 0 1 C103 56p L23 25nH C418 0 001 C500 24p L67 30nH C217 39p C501 22p L35 17nH C502 68p C503 7p L68 8 8nH C504 150p L69 17nH C520 270p R46 4 7 R46 4 7 R21 39 C218 C413 1 5 R220 8 2k R221 15k Q21 2SK3075 R25 10k C87 15p R87 120 L17 0 12µH Q42 2SC4226 R85 33k R86 220 C85 0 001 C92 0 001 C251 0 001 R77 10k C472 0 001 R79 150 R78 68 R80 68 C82 0 001 D11 MA77 D10 MA77 R76 ...

Page 76: ... 10k R440 10k D62 SB07 03C Q96 DTC144EU R433 47k Q97 DTC144EU R418 470k R434 10k R441 3 3k C518 1 R417 2 2k 8V VCC 5V C293 330p C292 0 047 C212 470 C231 0 001 C232 1 L53 HK 08S070 1310 D26 DE5SC6M C505 470 Q88 2SK2414 Z 20 19 18 17 16 15 14 13 12 11 BHO BHS BLO BLS VDD VCC ALS ALO AHS AHO 1 2 3 4 5 6 7 8 9 10 BHB BHI DIS VSS BLI ALI AHI HDEL LDEL AHB IC43 HIP4081AIB W44 W43 Q87 2SK2414 Z C436 10 D...

Page 77: ...L42 0 82µH C288 0 001 R256 2 7k C430 0 01 R372 100 C421 22p L55 0 33µH C422 33p C423 6p R373 100 L56 0 33µH C424 56p R374 100k C425 0 01 C428 0 01 L57 0 33µH Q83 2SC4215 C426 20p C427 39p R376 560k Q84 2SC4215 R436 33k 8 7 6 5 4 3 2 1 FIN2 BS2 BS1 STB DATA CLK GND FIN1 9 10 11 12 13 14 15 16 CP2 GND LD BO XOUT XIN VCC CP1 IC2 TB31207AFN R475 4 7k C213 0 001 C429 2 5p L77 6 8µH R64 100k R218 4 7k V...

Page 78: ...lenwood Centre 150 6165 Highway 17 Delta B C V4K 5B8 Canada Phone 1 604 952 4266 Fax 1 604 952 0090 URL http www icomcanada com E mail info icomcanada com Unit 1 103 Garden Road Clayton VIC 3168 Australia Phone 61 03 9549 7500 Fax 61 03 9549 7505 URL http www icom net au E mail sales icom net au 146A Harris Road East Tamaki Auckland New Zealand Phone 64 09 274 4062 Fax 64 09 274 4708 URL http www ...

Page 79: ...S 13608HZ C1 2 c 2001 Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan ...

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