Midland Marine Nautico Diagram

87654321

BPF

2nd-if

BPF&

C55C9 C56

R79

R13

2nd-IF DET

HPF

LCD

KEY BOARD

UP

MONI

MEMO LOCK

DATE BACKUP

IC207

AT93C46

C57

Q14

T1

A001

BACK LAMP

D

SQL

C

B

DOWN

CH16

CALLH/L

A

RX UNIT

Q9

2SC4226

1st MIX

Q4

3SK320

TX VCO

Q16

2SK210

MOD

D7

1SV217

MOD TX/RX SW

J1,J201

IC209 :LM2931

Q205 2SC4097

Q214 2SA1363

D204 1SS226

POWER SW

RX POWER

TX POWER

POWER UNIT

Q215 FMA5A

BAT.

7.2V

RX VCO

Q15

2SK210

TX/RX TRANS

Q12,Q13,Q20

FMA5A,2SC4097

TX/RX SW

LOW BAT

R373

R374,R375

F1,F2

WX POWER

POWER UNIT

Q216 FMA5A

D6

1SV217

LPF

VCO POWER

SAVE CONTRAL

TX/RX CONTRAL

SQL C0NTRAL

IC208

NJM4051

RESET

IC203,Q201

2SC4097

XC61AC4302

IF AMPCRYSTAL BPF

Q1

2SC4726

VCO & PLL UNIT

RXTX
D5

1SV217

WX CONTRAL

SQD1
SQD2
SQD3

LOW BAT

UNLOCK

LOB BAT

RESET

X2

12.8MHz

PLL

IC102

M56760

DATA

m-COM

COMPUTER

IC201

UPD75308

RESET

CLK

CS

X201

4.19MHz

ANT SW

D1,D10
1SS356 21.6MHz

BUFF AMP

Q4

2SC2408

APC
IC4

TA75S01

Q204

Q212

2SA1577

VOL

MUTE

AF MUTE

2SC4097

PTT CHECK

Q2

DETPOWER

D11

1SS356

AF POWER AMP

LPF

LPF

IC206

NJM386

BEEP

MIC AMP. UNIT

TX YOUNGER

Q3

2SC2053

AF POWER

Q205,Q206

2SA1298

2SC2712

MIC AMP

IC205:C,D

NJM3403(2/4)

D

C

B

A

ANT

TX POWER AMP.

2SC1971

TX POWER AMP. UNIT

SPEAKER

J6

EXT MIC&SP

MIC

PTT

RF AMP

Q18

2SK302

D9

DAN235E

RX/TX SW

H/L

HPF

2SC4097Q206

1050Hz CHECK

IC207,Q207

LMC567

2SC4097

AUDIO AMP. UNIT

LPF

IC205:A,B

NJM3403(2/4)

PTT

AMP

Q14

2SC4226

AUDIO

WX ALERT DET

MOD

MOD

BPF

T2,T3

BUFF AMP

POWER +5V

CPU +5V

X1

21.145MHz

SQL DET

D4

1SS226

2nd LOCAL MIXER,SQL

IC2 DBL5018L

F3 455KHz

AF OUT

BACK LAMP-CONT

Q208 2SC4097

Q211 2SA1577Q

CPU & DISPLAY

UNIT

TM-882

1 2 3 4 5 6 7 8

BLOCK DIAGRAM