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10 - 1

SECTION 10

BC-137 OPTIONAL DESKTOP CHARGER INFORMATION

REF. NO. ODER NO.

DESCRIPTION

QTY.

MP1

8010018030 2338 case

1

MP2

8110007080 2338 cover

1

MP3

8930050920 2327 spacer

1

MP4

8930039620 Leg cushion (A)

4

MP5

8810008660 Screw BT M3 x 8 NI-ZU

1

[CHASSIS UNIT]

10-1 PARTS LIST

10-2 DISASSEMBLY INFORMATION

MP1 (C)

MP1 (M)

MP2 (C)

MP5 (C)

MP4 (C)

MP4 (C)

MP3 (C)

MAIN unit

MP4 (C)

S.=Surface mount

REF. NO. ODER NO.

DESCRIPTION

QTY.

[MAIN UNIT]

Q1

1520000650 S.TRANSISTOR 2SB1201-S-TL 

 

1

Q2

1590000480  S.TRANSISTOR RN2402 (TE85R)   

1

Q3

1590000510  S.TRANSISTOR RN1409 (TE85R)  

1

Q4

1530001950  S.TRANSISTOR 2SC2712-GR (TE85R)   

1

 

D1

1750000550 S.DIODE

1SS355 

TE-17 

 

1

D2

1750000020 S.DIODE

1SS184 

(TE85R) 

1

D3

1790000950  S.ZENER

MA8056-M (TX)  

1

 

R1

7030010000 S.RESISTOR

MCR10EZHF 24R0 

 (240) 

1

R2

7030010000 S.RESISTOR

MCR10EZHF 24R0 

 (240) 

1

R3

7030000190 S.RESISTOR 

MCR10EZHJ 

27 

 (270)  

1

R4

7030000500  S.RESISTOR 

MCR10EZHJ 10 k

  

1

R5

7030000500  S.RESISTOR 

MCR10EZHJ 10 k

 

1

R6

7030000190 S.RESISTOR 

MCR10EZHJ 

27 

 (270)  

1

R7

7030001740  S.RESISTOR 

MCR10EZHJ 2 k

   

1

R8

7030001740  S.RESISTOR 

MCR10EZHJ 2 k

   

1

R9

7030000590  S.RESISTOR 

MCR10EZHJ 56 k

   

1

R10

7030000500  S.RESISTOR 

MCR10EZHJ 10 k

  

1

R11

7030000380  S.RESISTOR 

MCR10EZHJ 1 k

   

1

 

C1

4030001150  S.CERAMIC 

GRM40 F 104Z 25PT  

1

C2

4030001150

S.CERAMIC 

GRM40 F 104Z 25PT  

1

C3

4030001150

S.CERAMIC 

GRM40 F 104Z 25PT  

1

C4

4030001150

S.CERAMIC 

GRM40 F 104Z 25PT  

1

 

J1

6510021470 CONNECTOR HEC0470-01-230 

1

J2

6510021470 CONNECTOR HEC0470-01-230 

 

1

 

DS1

5040001390 LED TLG124A

1

W1

7030003970 S.JUMPER 

MCR18EZHJ JPW (000)

1

EP1 0910052602 

PCB 

5493B

1

EP2 6910012240 

SPACER 

TLE60-05

1

MP1

8930051340 2338 TERMINAL

3

Screw abbreviations BT : Self-tapping

NI : Nickel

NOTE:  (C) : CHASSIS

(M) : MAIN UNIT

CONVENIENT:

BC-137 is connectable max. 6 pieces in parallel.
When connect BC-137 in parallel, JIG cable (as shown 
below) is required. 

AC adaptor (BC-122)
or DC power supply

JIG cable

BC-137

J1

J2

BC-137

J1

J2

• CONNECTION

BC-137

J1

J2

(      GND)

+

(      13.8 V)

• JIG CABLE

AP-301 (Order No: 5610000010)

Max. 6 pieces of BC-137

Summary of Contents for IC-F4GS

Page 1: ...SERVICE MANUAL UHF FM TRANSCEIVERS ...

Page 2: ... F4GT MAIN UNIT 1 pieces 8810009510 Screw BT M2 x 4 NI ZU IC F4GS Chassis 10 pieces Addresses are provided on the inside back cover for your 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 variable components Turn them slowly and smoothly 4 DO NOT s...

Page 3: ...OWER SUPPLY CIRCUITS 4 3 4 5 CPU PORT ALLOCATIONS 4 4 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION 5 1 5 2 PLL ADJUSTMENT 5 4 5 3 SOFTWARE ADJUSTMENT 5 5 SECTION 6 PARTS LIST SECTION 7 MECHANICAL PARTS AND DISASSEMBLY SECTION 8 SEMI CONDUCTOR INFORMATION SECTION 9 BOARD LAYOUTS SECTION 10 BC 137 OPTIONAL DESKTOP CHARGER INFORMATION 10 1 PARTS LIST 10 1 10 2 DISASSEMBLY INFORMATION 10 1 10 3 VOL...

Page 4: ... Maximum frequency deviation 2 5 kHz Spurious emissions 73 dBc typical Adjacent channel power 60 dB typical Transmitter audio distortion Less than 3 at 1 kHz 40 deviation Limitting charact of modulator 70 100 of max deviation Ext microphone connector 3 conductor 2 5 d mm 1 10 2 2 kΩ RECEIVER Receive system Double conversion superheterodyne system Intermediate frequencies 1st 46 35 MHz 2nd 450 kHz ...

Page 5: ...7030000500 S RESISTOR MCR10EZHJ 10 kΩ 1 R6 7030000190 S RESISTOR MCR10EZHJ 27 Ω 270 1 R7 7030001740 S RESISTOR MCR10EZHJ 2 kΩ 1 R8 7030001740 S RESISTOR MCR10EZHJ 2 kΩ 1 R9 7030000590 S RESISTOR MCR10EZHJ 56 kΩ 1 R10 7030000500 S RESISTOR MCR10EZHJ 10 kΩ 1 R11 7030000380 S RESISTOR MCR10EZHJ 1 kΩ 1 C1 4030001150 S CERAMIC GRM40 F 104Z 25PT 1 C2 4030001150 S CERAMIC GRM40 F 104Z 25PT 1 C3 403000115...

Page 6: ...6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan S 13610IZ CD 2000 Icom Inc ...

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