Icom IC-GM1600E Service Manual Download

Page: 30 / 34

SECTION 10 BLOCK DIAGRAM

10 - 1

PLL

FIL

LOOP

BUFF

IF
AMP

RF
AMP

DRIVE

PRE

PWR
AMP

APC

CTRL

TX/RX

ANT

BPF

LPF

ANTENNA

CR-747

D/A

LCD

DRIVER

BATT

LIMIT
AMP

MUTE

LPF

PWR
AMP

PWR
CTRL

POWER SW

MUTE

BPF

VCO

MOD

BUFF

LPF

BPF

CERAMIC

BPF

CERAMIC

MUTE

FIL

RIPPLE

LPF

BPF

MUTE

DRIVER

T1CON

T3CON
T4CON

T2CON

V5VS

S5VS

M5VS

BTYPE

EXDET

WDECV

RSSIV

NOISV

LOINV

TEMPV

BATTV

PTTIN

EXPTT

W/NS

LDTFS

BEEP

ISPMS

AFVS

AFMS

MICMS

T5VS

R5VS

ETXDO

ERXDI

SQLT

PWR
DET

30.6 MHz

15.3 MHz

REF

V5V
REG

S5V
REG

M5V
REG

R5V

V5V

T5V

M5V

CPU
5V

RESET

9.8304 MHz

EEPROM

BACK

LIGHT

KEY

CPU5V

CPU

VCO

RSSIV

PLL DATA BUS

VCC

DE-
ENPHA

VCC

VR BOARD

VOLO

VOLIN

GND

VCC

AFOUT

EXDET

SPG

PTT

MIC

VCC

DET

SQCON

31.05 MHz

PRE-
ENPHA

TDETV

TXMS

T1CON

MUTE
SW

T3CON

T4CON

T2CON

T1CON

DTCON

FRCON

MOCON

D/A control BUS

MODIN

AFVS

SHIFT
SW

CSIFT

ATIS

ISPMS

EXTMIC

INTSP

MIC

LOINV

BEEPO

FM IF IC

W/N
SW

MAIN UNIT

CHASSIS

S5V

REG

T5V

Q431: 2SB1132
Q432: XP6501

IC421
TA7368F

Q441: 2SC4116
Q442, Q443: RSR025N03
Q444: UNR9213J

INT
MIC SW

MIC SW

EXT

AMP

MIC

Q462:
UNR9111J

Q461: UNR9111J

IC683
TC75S01F

NJM12902V

IC261B:

MICMS

IC481A:
TC4W66FU

IC491A:
NJM2904V

IC491B:
NJM2904V

W/N
SW

ANALOG
SW

IC282:
TC4W53FU

LPF

IC261D:
NJM12902V

NJM12902V

IC261C:

IC251:
M12363FD-650C

DETMS

IC281A:
TC4W66FU

Q411:
2SC4213

AFMS

BEEPO

Q501:
UNR9213J

Q321: 2SA1588

Q323: 2SA1588

Q322: 2SA1588

IC551:
NJM2870

REG

R5V

ATT

D154:
HVC350B

HVC350B

D155:

HVC350B

D181:

HVC350B

D182:

Q165:
3SK294

3SK299

Q191:

FI211: FL-377

W/N
SW

W/NS

W/N
SW

Q232: 2SC5107
Q231: UNR9213J

W/NS

FI231:
CFWM450E

FI232:
CFWM450G

D231:
DAN222

D232:
DAN222

Q221:
2SC4116

Q47: XP6501

Q3: 2SK880

X1: CR-783

IC1:
MB15A02PFV

D39:
1SV245

Q41: 2SC4226

V5V

VCOS

D31-34: HVC350B

Q51:
2SC4226

D35-38:
HVC350B

Q61: 2SC4215

Q62: 2SC4215

Q71: 2SC4215

Q81: XP1214
Q82: UNR9113J

Q211:
2SC4215

D91, D92: MA77

Q91:
2SC5110

Q101:

Q111:

IC141:
TA75S01F

Q141:
UNR9113J

D132:
1SS375

D131, D151: 1SV307
D152: MA2S077

146-174 MHz

X601:

D601:
MA2S077

IC581: S-80942CNMC

Q561: 2SA1588

Q551: 2SB1132
Q552: XP6501
Q553: UNR9213J

IC591: BR24L32FV-W

IC661:
UPC78F0338GC

EP682:
CV1083
DS653, DS654, DS656,

SML-311YT

Q651: XP1213

RD01MUS1

RD07MVS1

X231:
CDBC450CX24

IC231:
TA31136FN

NOISV

CTFIS

ETXDO

ERXDI

BUFF

EXDET

Q652: DTC144TU
D602: DA221

VOX

VOXT

EXPTT

PTTIN

PTTM

VOXM

IC682A:
TC4W66FU

IC682B:
TC4W66FU

Q324: XP1213

SQLT

WDECV

AMP

NJM12902V

VOX

IC261A:

EXT JACK

DS655:
FRDG1211F

TX/RX

Q655:

LIGHT

XP1213

TLED

RLED

GAIN
CTRL

Q653: XP1213
Q654: UNR9213J

MIC 1, 2, 3

DS657, DS658, DS659:

S5V

NOTES :

Contorol line

Common line

TX line

RX line

DATA lime

SEC10̲SEC11.indd 1

1/17/2005 3:44:55 PM

Summary of Contents for IC-GM1600E

Page 1: ...SERVICE MANUAL SURVIVAL CRAFT 2 WAY RADIO...

Page 2: ...convenience 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 v...

Page 3: ...R SUPPLY CIRCUITS 4 4 4 5 PORT ALLOCATIONS 4 4 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION 5 1 5 2 SOFTWARE ADJUSTMENTS 5 4 SECTION 6 PARTS LIST SECTION 7 MECHANICAL PARTS AND DISASSEMBLY SECTION...

Page 4: ...1 GHz 1 00 W 1 GHz 2 GHz Adjacent channel power 70 dB Audio harmonic distortion 10 at 60 deviation FM hum and noise 40 dB Residual modulation 40 dB Audio frequency response 1 dB to 3 dB of 6 dB oct f...

Page 5: ...geographical separation USA channels Survival operation channels for U K version only CH Frequency MHz CH Frequency MHz CH Frequency MHz CH Frequency MHz CH Frequency MHz CH Frequency MHz Transmit Rec...

Page 6: ...R5 Regulator Q322 2SA1588 S5V Regulator Q561 2SA1588 Power amplifier Q111 RD07MVS1 Pre drive Q101 RD01MUS1 CPU IC661 PD78F0338 GC 9EB VCO circuits EEPROM IC591 BR24L32FV W Reset IC IC581 S 80942CNMC...

Page 7: ...NEL 1 Remove the speaker panel A 2 Unscrew 2 screws B and remove 2 washers C 3 Unscrew 2 screws D 4 Unscrew 2 screws E and remove 2 washers F 5 Remove the rear panel and the main seal from the front p...

Page 8: ...F signal by mixing with local oscillator LO signal The converted 1st IF signal is filtered at the 1st IF filter then amplified at the 1st IF amplifier The signals from the two stage BPF are converted...

Page 9: ...the splatter filter IC491 B pins 6 7 to suppress unwanted 3 kHz and higher audio signals then applied to the modulation circuit via the D A converter IC251 pins 3 4 4 2 2 MODULATOR CIRCUIT The modulat...

Page 10: ...rom the phase of the reference frequency causing a lock voltage change to compensate for the drift in the oscillated frequency 4 3 2 TRANSMIT LOOP A portion of the generated signal at the TX VCO Q51 D...

Page 11: ...T Input port for the MIC SP detect signal 29 VOXT Input port for VOX signal 30 BATTV Input port for battery voltage detection signal 31 TDETV Input port for TX power level 32 NOISV Input port for nois...

Page 12: ...ED TEST EQUIPMENTS When adjusting IC GM1600 E the optional CS M90 GM1600 ADJ ADJUSTMENT SOFTWARE Rev 1 0 or later OPC 478 RS 232 type or OPC 478U USB type CLONING CABLE OPC 1028 and JIG cable see page...

Page 13: ...o 17 dBm DO NOT transmit while an SSG is connected to the antenna connector To CLONE line BLACK To MIC line WHITE To red line RED IC GM1600 E JIG cable PC To SP To SP connector connector to USB port t...

Page 14: ...ecific values for each setting q Adjustment condition w Reference frequency e RF output power r FM deviation Wide t Receive sensitivity Automaticaly y Receive sensitivity Manualy u Squelch level i S m...

Page 15: ...erify 2 Operating CH 16 RF power Low Transmitting 1 4 2 9 V Verify REFERENCE FREQUENCY Ref Freq 1 Operating CH 16 Connect the RF power meter or a 50 dummy load to the antenna connector RF power Low Tr...

Page 16: ...De emphasis OFF Detector P P 2 Connect the audio generator to the MIC SP jack through OPC 1028 and set as Frequency 1 kHz Level 25 mV rms Transmitting Top panel Connect the FM deviation meter to the a...

Page 17: ...ey 2 The connected PC tunes BPF T1 T4 to peak level automaticaly or 1 Put the cursor on the one of BPF T1 T4 as desired 2 Push the ENTER key to start tuning 3 Repeat 1 and 2 to perform additional BPF...

Page 18: ...8 17 5 D38 1750000711 S VCP HVC350B E B 63 8 18 8 D39 1720000400 S VCP 1SV245 TPH3 T 66 4 20 1 D40 1790001620 S DIO 1SV308 TPL3 Except USA B 65 4 10 D41 1790000680 S DIO SB20 03P TD B 118 7 29 3 D91...

Page 19: ...8 R201 7030005120 S RES ERJ2GEJ 102 X 1 k T 84 8 23 7 R202 7030005050 S RES ERJ2GEJ 103 X 10 k T 83 5 22 8 R203 7030005000 S RES ERJ2GEJ 471 X 470 T 87 2 22 R204 7030010430 S RES ERJ2GEJ 120 X 12 T 8...

Page 20: ...RJ2GEJ 681 X 680 T 15 3 11 8 R658 7030005120 S RES ERJ2GEJ 102 X 1 k T 16 2 22 7 R659 7030005010 S RES ERJ2GEJ 681 X 680 T 15 2 22 7 R662 7030007280 S RES ERJ2GEJ 331 X 330 USA GEN T 68 9 4 3 70300050...

Page 21: ...007010 S CER C1608 CH 1H 100D T B 60 1 28 1 C222 4030016790 S CER ECJ0EB1C103K B 61 3 29 8 C223 4030007040 S CER C1608 CH 1H 180J T B 67 30 4 C224 4030009520 S CER C1608 CH 1H 020B T B 67 28 1 C225 40...

Page 22: ...0 S CER ECJ0EB1E102K B 32 1 42 3 C695 4030018860 S CER ECJ0EB0J105K B 48 8 39 5 C696 4030016930 S CER ECJ0EB1A104K B 48 5 41 8 C697 4030016930 S CER ECJ0EB1A104K B 36 45 5 C698 4030017460 S CER ECJ0EB...

Page 23: ...2110 Knob N 321 A 1 MP35 8830001480 VR nut O 1 MP41 8010019740 2795 chassis 1 MP46 8930064200 2795 main seal 1 MP47 8810009510 Screw B0 2X4 NI ZU BT 9 MP51 8830001600 Screw nut L 1 MP52 8930065190 O r...

Page 24: ...73 MP71 C MP73 MP66 C MP70 C MP24 C MP75 C MP74 C MP74 C MP74 C MP41 C MIC BOARD W3 C MP26 C MP25 C MP20 C MP77 C NOTE 1 NOTE 2 NOTE 2 NOTE 2 NOTE 2 NOTE 2 Unit mm inch 294 9 11 5 8 176 6 15 16 159 6...

Page 25: ...1 C2 C1 B2 E2 E C B E E C B E C B E1 C2 B1 C1 E2 B2 DIODES HVC350B Symbol B0 MA2S111 Symbol A RB706F 40 Symbol 3J MA2S728 Symbol B 1SV307 Symbol TX MA2S077 Symbol S 1SS375 Symbol FH 1SV245 Symbol T3 1...

Page 26: ...R91 R202 C201 R205 R201 R246 C246 R245 R244 R231 C245 C215 R215 C216 R213 R232 R214 R216 R321 C324 R561 R141 R431 R148 C115 R144 C137 C128 R146 R323 R415 R414 C92 C100 R391 R31 R37 R36 R39 R305 C36 R3...

Page 27: ...222 C222 R247 R64 C64 C63 R63 R71 C72 R72 R390 R40 C38 R62 R61 R53 R43 R32 R47 R33 R468 C461 R718 R552 C426 R422 C165 C181 R185 R191 R192 C194 R211 C192 C211 C191 R193 C61 R65 D35 D38 D37 D36 C56 C55...

Page 28: ...B5787B 35 30 25 20 15 10 5 0 Horizonal 65 60 55 50 45 40 20 15 10 5 0 Vertical J1 to the AC adapter AC 147A E HV GND GND 9 3 MIC BOARD TOP VIEW 9 4 BC 158 TOP VIEW R801 0 5 10 Vertical 15 10 5 0 Horiz...

Page 29: ...FOUT AFOUT GND GND 1 7 14 8 GND GND GND EXDET EXTMIC TLED RLED J415 to the MAIN unit J414 15 10 5 0 Vertical 15 10 5 0 Horizontal BOTTOM VIEW B6191C F1 0 5 10 Vertical 15 10 5 0 Horizontal BOTTOM VIEW...

Page 30: ...IC491A NJM2904V IC491B NJM2904V W N SW ANALOG SW IC282 TC4W53FU LPF LPF IC261D NJM12902V NJM12902V IC261C IC251 M12363FD 650C DETMS IC281A TC4W66FU Q411 2SC4213 AFMS BEEPO Q501 UNR9213J Q321 2SA1588...

Page 31: ...1 100 k R583 100 k R584 100 k C689 0 001 R294 10 k IC591 BR24L32FV W 1 A0 2 A1 3 A2 4 VSS 5 SDA 6 SCL 7 WP 8 VCC C662 0 001 R490 56 k EP682 CV1083 C698 0 001 C699 0 001 IC661 PD78F0338GC 9EB FX 2795A...

Page 32: ...6 C571 0 01 R572 150 k C4 47 P C83 47 P C97 47 P C114 47 P C128 47 P C166 47 P C192 47 P Q553 UNR9213J Q82 UNR9213J Q231 UNR9113J Q141 UNR9113J D41 SB20 03P C173 47 P EP2 ACZ1005Y 102 EP3 ACZ1005Y 102...

Page 33: ...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 A B N 88 006 092 575 Unit 1 103 Garden Road Clayton...

Page 34: ...S 141221Z C1 q 2005 Icom Inc...

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