background image

7 - 1

EP2

EP3

MP1

MP2

EP1

SECTION 7

MECHANICAL PARTS AND DISASSEMBLY

J1

6510022671

Connector SMA-R235-1

1

MP1

8210018240

Panel 2507 REAR PANEL 63-222

1

MP2

8930054200

2372 Jack cap 

1

MP3

8930056321

2507 DC cap-1

1

MP4

8310050390

2372 Lock plate

1

MP5

8610010990

Knob N284

1

MP6

8930054290

2372 main seal

1

MP8

8930054371

2372 Terminal spring-1

2

MP9

8930054580

Seal O-ring (AM)

1

MP10

8930054490

2372 shaft

1

MP11

8830001470

VR nut  (N)

1

MP12

8930039850

Sealing washer (J)

3

MP14

8860001281

2507 antenna rug-1

1

MP15

8860001250

2372 vol rug Y587

1

MP17

8930053590

Seal O-ring (AG)

1

MP19

8830000880

VR nut (I)

1

MP20

8610007510

Knob spring NO.7800

1

MP21

8810009510

Screw PH BT M2

×

4  NI-ZU

3

MP22

8810008620

Screw PH BT M2

×

20 ZK

2

MP23

8810010090

Screw PH BT M2

×

12 ZK

2

MP24

8810009560

Screw PH BT M2

×

6 ZK

4

MP25

8810000100

Screw PH  M2

×

4 ZK

1

MP26

8930055510

2372 Insulate sheet

1

MP27

8930058510

Isolating plate (HC)

1

MP28

8930058500

Isolating plate (HB)

1

MP29

8930058620

Isolating plate (HE)

1

MP30

8930058630

Isolating plate (HF)

1

MP31

8930058640

2507 PA sheet

1

MP32

8930058800

2507 plate

1

MP33

8930058800

2507 plate

1

MP34

8930058820

2507 A-plate 

1

REF

ORDER

DESCRIPTION

NO.

NO.

[CHASSIS PARTS]

Screw abbreviations
BT: Self-tapping    PH: Pan head    NI-ZU: Nickel-Zinc    ZK: Black

QTY.

S251

7600000210

Encoder TP70N00E20-15F-1903

1

MP2

8930058200

2507 A-AF sheet

1

MP4

8510014850

2507 AF shield

1

REF

ORDER

DESCRIPTION

NO.

NO.

QTY.

[AF UNIT]

MP1

8930058300

Aluminium sheet (AF)

1

MP2

8930058610

Isolating plate (HD)

1

REF

ORDER

DESCRIPTION

NO.

NO.

QTY.

[VCO UNIT]

MP1

8930056310

2507 terminal holder

1

MP2

8510014590

2507 A-VCO case

1

MP5

8410002470

2507 heat sink

1

MP6

8510014410

2507 RF plate Y611

1

MP8

8930058060

Isolating plate (GZ)

1

MP9

8930058010

Sermary sheat (AF)TC-100TKC (5X7)

1

MP10

8930058070

2507 radiation plate

1

MP11

8930053900

Isolating plate (GK)

1

MP12

8930056030

Isolating plate (GS)

1

MP13

8930004081

Ground spring (B)-1

1

MP14

8930058540

2507 R-connect plate

1

MP15

8930058520

2507 L-connect plate

1

MP18

8930058530

2507 sheet

1

MP19

8930058810

2507 spring

1

MP20

8930058510

Isolating plate (HC)

1

REF

ORDER

DESCRIPTION

NO.

NO.

QTY.

[RF UNIT]

DS4

5030001990

LCD TTR5169 UPFDHW

1

EP1

8930055190

LCD contact SRCN-2372-SP-N-W

1

SP1

2510000840

Speaker CS028014-12

1

MC1

7700002310

Microphone EM-140

1

MP1

8210018341

2372 front panel (F)-1 

1

MP2

8310050400

2372 window plate

1

MP3

8210017460

2372 reflector

1

MP4

8930054221

2372 lens-1

1

MP5

8930054570

870 Salan net (A)

1

MP6

8930054500

2372 window sheet

1

MP7

8930054940

2372 LCD sponge

1

MP8

8930054380

2372 PTT plate

1

MP9

8930048840

2135 MIC sponge

1

MP10

8930046020

1123 sheet (A)-1

1

MP11

8930054250

2372 10-KEY

1

MP12

8930055170

2372 tact plate

1

MP13

8810009510

Screw PH BT M2x4  NI-ZU

6

MP14

8510013950

2372 LOGIC plate

1

MP15

8930058650

Isolating plate (HG)

1

W1

8900010520

Cable OPC-1033

1

REF

ORDER

DESCRIPTION

NO.

NO.

QTY.

[LOGIC UNIT]

EP1

3310002950

Antenna FA-S6270D

1

EP2

0800005960

Battery BP-217 ACC

1

EP3

5930001230

Charger BC-110DR 

except [UK]

1

MP1

8010018080

Strap belt HK-009

1

MP2

0880001120

Clip MB-83 ACC

1

REF

ORDER

DESCRIPTION

NO.

NO.

QTY.

[ACCESSORIES]

Summary of Contents for IC-E90

Page 1: ...S 13903MZ C2 2002 Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan MULTIBAND FM TRANSCEIVER ie90 ic e90 IC E90 1 4...

Page 2: ...replacement parts 1 10 digit order numbers 2 Component part number and name 3 Equipment model name and unit name 4 Quantity required SAMPLE ORDER 1130006220 S IC TC4W53FU IC E90 LOGIC UNIT 1 piece 893...

Page 3: ...4 4 POWER SUPPLY CIRCUITS 4 7 4 5 PORT ALLOCATIONS 4 7 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION 5 1 5 2 TRIMMER ADJUSTMENT 5 3 5 3 ADJUSTMENT MODE ADJUSTMENTS 5 5 SECTION 6 PARTS LIST SECTION 7...

Page 4: ...ns projections not included 58 W 87 H 29 D mm 217 32 W 37 16 H 15 32 D in Weight with BP 217 Ant 280 g 97 8 oz M TRANSMITTER Output power at 8 0 V DC High 5 0 W typical Low 0 5 W typical Modulation sy...

Page 5: ...D AM is mea sured at 10 dB S N 2 The frequency range is between 222 000 MHz and 229 995 MHz 3 The frequency range is between 320 000 MHz and 330 000 MHz 4 The frequency range is between 40 000 MHz and...

Page 6: ...or Q201 2SB1201 Q202 XP1501 3 regulator Q8 2SB1132 Q9 XP1501 3C regulator Q142 XP1501 Q145 2SB1132 D143 MA2S111 CPU3 regulator IC141 NJM2370U32 440 MHz band modulation switch Q304 2SJ364 Microphone mu...

Page 7: ...Q452 2SK3475 T3 regulator Q56 XP4315 D50 MA6S121 1st mixer IC351 PC2757TB VCO circuit Power amplifier Q51 2SK3476 FM IF IC IC151 TA31136FN 1st AF amplifier Q205 2SD2216 AF mute Q251 2SJ364 IF amplifie...

Page 8: ...unit NOTE When you tighten 6 screws E tighten those in turn of 1 6 q Take off the lock plate w Unsolder 5 points F at the antenna plate vol plate and lead e Unscrew 1 screw G 2 4 mm silver and 2 screw...

Page 9: ...ls are applied to the each antenna switching circuit RF signals 0 495 MHz 75 995 MHz The signals pass through the antenna switching circuit D9 and then applied to the RF circuit RF signals 76 0 MHz 29...

Page 10: ...he 1st mixer IC351 to produce a 69 45 MHz 1st IF signal The 1st IF signal is output from pin 6 and passed through the bandpass filter Narrow AF unit FI101 Wide AF unit FI102 to suppress unwanted harmo...

Page 11: ...for the CTCSS squelch detection via the CTCIN line The electronic volume control circuit controls AF gain there fore the AF output level is according to the VOL setting and also the squelch conditions...

Page 12: ...4 2 3 DRIVE POWER AMPLIFIER CIRCUITS RF UNIT The drive amplifier circuit amplifies the transmit signal to a level needed for the power amplifier circuit The power ampli fier circuit amplifies this to...

Page 13: ...riving current 4 3 PLL CIRCUITS 4 3 1 GENERAL A PLL circuit provides stable oscillation of the transmit fre quency and the receive local frequency The PLL circuit compares the phase of the divided VCO...

Page 14: ...D7 D8 When the signal is applied to the divider circuit IC1 pin 2 the circuit divides the VCO signal into the ratio of 1 2 The divided signal passes through the low pass filter L12 L13 C48 C51 and div...

Page 15: ...ted from the 3 line by the T3 regulator circuit RF unit Q56 and D20 The output voltage is applied to the buffer amplifier RF unit IC51 pin 6 4 4 POWER SUPPLY CIRCUITS VOLTAGE LINE Pin Port Description...

Page 16: ...Outputs the R3C regulator control sig nal Low While receiving Outputs the T5V regulator control sig nal High While transmitting 46 47 48 49 51 52 53 54 55 56 57 58 61 62 65 66 69 70 71 72 73 74 75 77...

Page 17: ...selected Outputs the DTCS decorder filter con trol signal Output segment data to the LCD LOGIC unit DS4 pins 5 7 Outputs segment data to the LCD LOGIC unit DS4 pin 8 Output segment data to the LCD LO...

Page 18: ...el indicator as follow EQUIPMENT DC power supply RF power meter terminated type Frequency counter FM deviation meter GRADE AND RANGE Output voltage 11 V DC Current capacity 3 A or more Measuring range...

Page 19: ...dB or 50 dB FM deviation meter Standard signal generator 0 1 V to 32 mV 127 dBm to 17 dBm Audio generator CAUTION DO NOT transmit while an SSG is connected to the antenna connector Optional SMA BNC ad...

Page 20: ...WFM Receiving Displayed frequency 629 990 MHz Mode FM Receiving Displayed frequency 144 000 MHz Transmitting Displayed frequency 148 000 MHz Transmitting Displayed frequency 440 000 MHz Transmitting D...

Page 21: ...5 4 CP PLL lock voltage check point L456 L16 TX power balance adjustment 435 MHz L19 TX power balance adjustment 145 MHz VCO UNIT RF UNIT...

Page 22: ...PH ch 440 000 MHz Output power High Transmitting Displayed frequency PH ch 450 000 MHz Transmitting Displayed frequency PH ch 50 000 MHz Output power Low Transmitting Displayed frequency PH ch 53 900...

Page 23: ...0 000 MHz Output power High Transmitting Displayed frequency PL ch 53 900 MHz Transmitting Displayed frequency PL ch 144 000 MHz Output power High Transmitting Displayed frequency PL ch 148 000 MHz Tr...

Page 24: ...requency DL ch 440 000 MHz Output power Low Transmitting Set the channel indicator PL Transmitting Set the channel indicator DL Transmitting Displayed frequency DL ch 450 000 MHz Output power Low Tran...

Page 25: ...equency DE ch 440 000 MHz Output power Low Transmitting Set the channel indicator PE transmitting Set the channel indicator DE Transmitting Displayed frequency DE ch 450 000 MHz Output power Low Trans...

Page 26: ...MHz Transmitting Displayed frequency DH ch 440 000 MHz Transmitting Displayed frequency DM ch 52 000 MHz No audio applied to the MIC jack Set an FM deviation meter as HPF OFF LPF 20 kHz De emphasis OF...

Page 27: ...itting Displayed frequency CT ch 145 000 MHz Transmitting Displayed frequency CT ch 445 500 MHz Transmitting Displayed frequency DS ch 51 000 MHz No audio applied to the MIC jack Set an FM deviation m...

Page 28: ...ng Displayed frequency TH ch 75 100 MHz A Set the SSG as Level 1 V 107 dBm Receiving Displayed frequency TL ch 76 100 MHz B Set the SSG as Level 1 V 107 dBm Receiving Displayed frequency TH ch 149 100...

Page 29: ...IC151 pin 12 SD line RF Tracking check point L151 Detector coil adjustment CP0 Detector coil check point NOTE A EUR ITR UK only B except ESP 5 12 AF UNIT...

Page 30: ...H ch 900 100 MHz A Set the SSG as Level 3 2 V 97 dBm Receiving AF Connect a DC volt meter or oscillo scope to the IC151 pin 12 SD line Maximum voltage Maximum voltage Maximum voltage Maximum voltage M...

Page 31: ...odes When adjust the WFM mode set the SSG s deviation as 52 5 kHz Push the BAND key Push the BAND key This output level of the standard signal generator SSG is indicated as SSG s open circuit IC151 pi...

Page 32: ...DIODE MA2S077 TX D405 1720000790 S VARICAP HVC321B1TRF D406 1790001260 S DIODE MA2S077 TX D407 1720000790 S VARICAP HVC321B1TRF D408 1750000800 S DIODE HVC136TRF D451 1790001160 S DIODE 1SS362 TE85R...

Page 33: ...RJ2GEJ 220 X 22 R358 7030005090 S RESISTOR ERJ2GEJ 104 X 100 k R359 7030005090 S RESISTOR ERJ2GEJ 104 X 100 k R360 7030005040 S RESISTOR ERJ2GEJ 472 X 4 7 k REF ORDER DESCRIPTION NO NO RF UNIT R361 70...

Page 34: ...0 S CERAMIC ECJ0EB1E102K C352 4030017380 S CERAMIC ECJ0EC1H050B C353 4030017460 S CERAMIC ECJ0EB1E102K 6 3 REF ORDER DESCRIPTION NO NO RF UNIT C354 4030017460 S CERAMIC ECJ0EB1E102K C355 4030017460 S...

Page 35: ...RESISTOR ERJ2GEJ 104 X 100 k R3 7030005090 S RESISTOR ERJ2GEJ 104 X 100 k R4 7030006610 S RESISTOR ERJ2GEJ 394 X 390 k R5 7030004970 S RESISTOR ERJ2GEJ 470 X 47 R7 7030005120 S RESISTOR ERJ2GEJ 102 X...

Page 36: ...MIC ECJ0EB1C103K C154 4030017670 S CERAMIC ECJ0EC1H390J C155 4030017700 S CERAMIC ECJ0EC1H151J C156 4030017460 S CERAMIC ECJ0EB1E102K 6 5 REF ORDER DESCRIPTION NO NO AF UNIT C157 4030017460 S CERAMIC...

Page 37: ...2 TE85R D301 1790001560 S DIODE 1SS372 TE85R D302 1790001560 S DIODE 1SS372 TE85R X1 6050011080 S XTAL CR 687 6 7584 MHz L24 6200003640 S COIL MLF1608E 100K T L140 6200003640 S COIL MLF1608E 100K T R1...

Page 38: ...7030005170 S RESISTOR ERJ2GEJ 474 X 470 k R368 7030005170 S RESISTOR ERJ2GEJ 474 X 470 k R400 7030005090 S RESISTOR ERJ2GEJ 104 X 100 k R451 7030008300 S RESISTOR ERJ2GEJ 184 X 180 k R452 7030005600...

Page 39: ...R YG DS12 5040002670 S LED CL 165HR YG MC1 7700002310 MICROPHONE EM 140 S401 2230001090 S SWITCH EVQPSH02K S402 2230001090 S SWITCH EVQPSH02K SP1 2510000840 SPEAKER CS028014 12 REF ORDER DESCRIPTION N...

Page 40: ...S CERAMIC ECJ0EC1H1R5B C17 4030017550 S CERAMIC ECJ0EC1H1R5B C19 4030017730 S CERAMIC ECJ0EB1E471K C20 4030017460 S CERAMIC ECJ0EB1E102K C21 4030017560 S CERAMIC ECJ0EC1H2R5B C22 4030017460 S CERAMIC...

Page 41: ...eet AF 1 MP2 8930058610 Isolating plate HD 1 REF ORDER DESCRIPTION NO NO QTY VCO UNIT MP1 8930056310 2507 terminal holder 1 MP2 8510014590 2507 A VCO case 1 MP5 8410002470 2507 heat sink 1 MP6 8510014...

Page 42: ...C MP26 C MP4 C MP10 C MP9 R MP2 R MP6 R MP1 R MP1 V MP2 V MP2 A MP4 A MP14 R MP15 R W1 L MP21 C MP23 C MP12 R MP13 R MP27 C MP17 C J1 C MP14 C MP28 C MP19 C RF UNIT AF UNIT LOGIC UNIT A B B C C Note C...

Page 43: ...E C E C B E 2SK880 Y XY S D G B E C B E C XP1501 AB 5R B1 E B2 C1 C2 B1 E B2 C1 C2 UN9113 6C B E C XP1214 9H E1 B1 B2 C1 C2 XP4214 BR E1 C2 B1 C1 E2 B2 NAME SYMBOL INSIDE VIEW NAME SYMBOL INSIDE VIEW...

Page 44: ...N VFO MHZ 4 DUP 5 SKIP 6 M N 0 RIT MR S MW 7 TSCAN 8 SET 9 TS DTMF M CALL TV LOCK The combination of this page and the next page shows the unit layout in the same configuration as the actual P C Board...

Page 45: ...VMOD CHG GND 10V WXALT PLSTB WFM TXC DASTB DIUD R3C SD V2C VSFT EXTM MUTE VCC DETO 3 XMOD PATMP GND GND SQL PTT to AF unit J251 SP1 W2 L W2 L The combination of this page and the previous page shows...

Page 46: ...a REF PLSTB CK PDA UL 10V GND VMOD VSHFT CK DATA PLSTB DASTB T43 T50 T14 B4C AGC B1C VCC B5C B3C GND REF PDA UL VMOD HV VSHFT 3 PATMP B2C 10V BSFT V2 FSET V3 V1 IF CHG The combination of this page and...

Page 47: ...The combination of this page and the previous page shows the unit layout in the same configuration as the actual P C Board RF unit BOTTOM VIEW 9 4...

Page 48: ...NTSP GND to LOGIC unit J1 EXT MIC J252 EXT SP REMOTO J253 J251 GND GND PATMP XMOD 3 DETO VCC MUTE EXTM VSHFT V2C SD R3C DIUD DASTB TXC WFM PLSTB WXALT 10V 1 8 1 6 1 8 1 6 to RF UNIT J1 J2 to RF UNIT R...

Page 49: ...nit J251 J51 CK DATA PLSTB DASTB T43 T50 T14 B4C AGC B1C VCC B5 B3 GND REF PDA UL VMOD HV VSHFT 3 PATMP B2C 10V BSFT V2 FSET V3 V1 IF CHG The combination of this page and the previous page shows the u...

Page 50: ...2SD2216 D141 MA2S111 3 HV VCC INTSP VMOD XMOD MUTE DETO REMO 3C TXC DIUD DICK 10V EXTM VOLC VSFT AM WFM BEEP R3C V1C V2C V3C 3 Q146 XP1501 Q147 2SB1132 Q8 2SB1132 Q9 XP1501 Q4 2SB1201 Q10 2SD2216 Q11...

Page 51: ...HVC136 D302 MA2S077 Q302 2SC5006 D303 HVC136 D313 HVC136 D307 MA2S077 D308 HVC321B Q303 2SC5006 D309 MA2S077 D310 HVC321B D352 MA2S077 D353 1SV290 Q351 3SK320 D355 D356 1SV290 D354 D359 MA2S077 D358 H...

Page 52: ...SEG37 6 SEG36 7 SEG35 8 SEG34 9 SEG33 10 SEG32 11 SEG31 12 SEG28 13 SEG27 14 SEG26 15 SEG25 16 SEG24 17 SEG23 18 SEG22 19 SEG21 20 SEG20 21 SEG19 22 SEG18 23 SEG17 24 SEG16 25 SEG15 26 SEG14 27 SEG13...

Page 53: ...A1 2 A2 3 VSS 4 SDA 5 SCL 6 WP 7 VCC 8 W3 R458 47k C102 0 001 C25 0 001 R82 56k C315 0 001 C32 0 001 C240 0 0015 1 2 3 4 5 6 R207 1M R241 330k C17 0 0022 C310 47p C150 0 01 1 2 3 5 CTRL 1 GND 2 NB 3...

Page 54: ...C112 0 001 C88 0 001 L409 18nH R419 3 9k C420 0 01 C421 0 01 1 2 3 4 5 6 MP5 C76 0 01 R77 1k R78 56 R79 56 R80 330 D57 1SV308 C89 0 1 R82 3 9 R81 330 L68 1 0nH L24 65nH D10 1SV308 R11 2 2k R10 2 2k D1...

Page 55: ...O 3 G 4 FL SD BEEP IOSTB PLSTB DASTB 10V PDA UL IF CHG MUTE BEEP BEEP MUTE MUTE VOLC VOLC VOLC HV VMOD PATMP CK R3C DATA XMOD DETO AFV AFV AFV WXALT WXALT REMO INTSP VSHFT AM VCC 3C DETO 3C 3C V3C NOI...

Page 56: ...replacement parts 1 10 digit order numbers 2 Component part number and name 3 Equipment model name and unit name 4 Quantity required SAMPLE ORDER 1130006220 S IC TC4W53FU IC E90 LOGIC UNIT 1 piece 893...

Page 57: ...S 13903MZ C2 2002 Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan MULTIBAND FM TRANSCEIVER ie90 ic e90 IC E90 1 4...

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