Sony U-Ceiver ICB-U655 Service Manual Download | Manualshive

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MICROFILM

SERVICE MANUAL

FRS TWO-WAY RADIO

US Model

SPECIFICATIONS

ICB-U655

Photo: Yellow model

Ver 1.1 1999. 05

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Summary of Contents for U-Ceiver ICB-U655

Page 1: ...MICROFILM SERVICE MANUAL FRS TWO WAY RADIO US Model SPECIFICATIONS ICB U655 Photo Yellow model Ver 1 1 1999 05 ...

Page 2: ... Description 22 6 EXPLODED VIEWS 24 7 ELECTRICAL PARTS LIST 26 Flexible Circuit Board Repairing Keep the temperature of the soldering iron around 270 C dur ing repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be careful not to apply force on the conductor when soldering or unsoldering Notes on chip component replacement Never reuse a disconnected ...

Page 3: ...Assembly was removed during repair 1 Apply SONY Grease SGL 505 7 662 010 04 to entire sur face of Cabinet RearAssembly marked with using a swab See Fig A 2 Apply Sealant TSE 392W 7 432 950 03 to entire surface of Cabinet Rear Assembly marked with using a swab See Fig A 3 Apply SONY Grease SGL 505 7 662 010 04 to entire sur face of Cabinet RearAssembly marked with using a swab See Fig B cabinet fro...

Page 4: ... 4 SECTION 2 GENERAL This section is extracted from instruction manual ...

Page 5: ... 5 ...

Page 6: ... battery 5 four special screws 2 6 4 special screw 2 8 1 clip 3 lid battery case 7 cover guard 6 two screws 1 7 5 3 Open the packing MIC SP 2 Remove the solder of two battery leads 1 Remove the solder of two speaker leads 3 flexible board 5 RF board 1 knob VOL 2 packing jack micro computer board 4 two screws P1 7 2 5 MICRO COMPUTER BOARD RF BOARD ...

Page 7: ...ial cable TP ANT2 TP GND power meter impedance 50 Ω Tone Modulation and Modulation Sensitivity Adjustments Setting Procedure Tone Modulation Adjustment 1 Turn the power ON 2 Press the MODE button S105 to set the GROUP talk mode 3 Press the button to set GROUP1 4 Turn the PTT switch ON to set transmit state in no modulate condition AF oscillator OFF 5 Adjust RV104 on the MICRO COMPUTER board so tha...

Page 8: ...e squelch Recognized by sound 5 Turn the RV102 on the MICRO COMPUTER board in the counterclockwise until the squelch closes Recognized by sound stopped 6 Set to the output level is 12 dBµV of the FM RF SSG and confirm that the squelch opens 7 Set to the output level is 15 dBµV of the FM RF SSG and confirm that the squelch closes Adjustment Location MICRO COMPUTER board RF board FM RF SSG TP ANT2 T...

Page 9: ...ATION RV103 MODULATION SENSITIVITY RV107 TX POWER 1st MIX LOCAL OSC 1st IF AMP ANT1 ANTENNA 462 5625MHz to 467 7125MHz 462MHz to 468MHz XF1 21 7MHz LED V2 DET SEGMENT COMMON X1 X2 XT1 XT2 POWER TONE DET D3 SERIAL DATA D2 SERIAL CLK DECODE COM IN QUAD 67 V1 IN 66 V1 OUT 37 RESET 68 AF POWER 34 TX RX 32 POWER SAVE 31 MAIN B 53 CARIA 63 29 38 64 P10 42 PTT 39 1kHz OUT 52 TX MUTE 36 MUTE 35 BEEP 51 7 ...

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Page 11: ...ICB U655 15 16 17 18 5 3 SCHEMATIC DIAGRAM See page 19 for Waveforms See page 20 for IC Block Diagrams ...

Page 12: ...to 28 VLC0 to VLC2 Terminal for doubler circuit capacitor connection to develop liquid crystal display drive voltage 29 LED O LED drive signal output for the LCD back light on off control L LED on 30 Not used open 31 POWER SAVE O Power save control signal output terminal L power on H power off when receive squelch on mode 32 TX RX O Power supply control signal output for the transmit receive selec...

Page 13: ...attery detection signal input terminal 67 V2 DET I Voltage detection signal input terminal 68 RESET I System reset signal input from the reset signal generator IC104 L reset L is input for several 100 msec after power on then it changes to H 69 to 75 Not used open 76 to 80 LCD1 to LCD5 O Segment drive signal output to the liquid crystal display LCD101 ...

Page 14: ...9 934 01 BUTTON 5 3 007 309 01 BUTTON MODE 6 3 010 670 01 RING 7 3 939 925 01 PANEL YELLOW 7 3 939 925 11 PANEL GRAY 8 3 939 926 11 PLATE TRANSPARENT 9 3 939 927 01 SHEET TRANSPARENT ADHESIVE 10 3 939 932 01 BUTTON PTT 11 3 010 671 01 RING PTT 12 3 374 079 01 SCREW 1 7X5 TAPPING 13 X 3367 452 2 PLATE ANT ASSY CONTACT 14 3 939 935 01 PACKING JACK 15 3 907 103 01 SPRING RING 16 3 385 706 01 RIVET 17...

Page 15: ...board LCD101 53 52 54 55 57 58 3 52 3 907 107 01 PACKING MIC 53 3 939 940 01 CASE 54 1 694 160 11 CONDUCTIVE BOARD CONNECTION 55 3 939 939 01 PLATE LIGHT GUIDE 57 1 650 569 11 FLEXIBLE BOARD 58 3 037 796 01 CUSHION CR T1 59 A 3638 725 A CHASSIS ASSY Including MICRO COMPUTER BOARD and RF BOARD LCD101 1 803 573 11 PANEL LIQUID CRYSTAL DISPLAY Ver 1 1 1999 05 ...

Page 16: ... 25V C142 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C143 1 165 176 11 CERAMIC CHIP 0 047uF 10 16V C144 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C145 1 165 176 11 CERAMIC CHIP 0 047 10 16V C147 1 135 201 11 TANTALUM CHIP 10uF 20 4V C148 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C149 1 162 927 11 CERAMIC CHIP 100PF 5 50V C150 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C151 1 115 156 11 CERAMIC CHIP 1uF 10V...

Page 17: ...K 5 1 16W R109 1 216 841 11 METAL CHIP 47K 5 1 16W R111 1 216 829 11 METAL CHIP 4 7K 5 1 16W R112 1 216 825 11 METAL CHIP 2 2K 5 1 16W R113 1 216 833 11 METAL CHIP 10K 5 1 16W R115 1 216 817 11 METAL CHIP 470 5 1 16W R118 1 216 821 11 METAL CHIP 1K 5 1 16W R122 1 216 821 11 METAL CHIP 1K 5 1 16W R124 1 216 827 11 METAL CHIP 3 3K 5 1 16W R126 1 216 797 11 METAL CHIP 10 5 1 16W R127 1 216 841 11 MET...

Page 18: ...R X101 1 767 192 11 VIBRATOR CERAMIC 4 194304MHz X102 1 567 098 41 VIBRATOR CRYSTAL 32 768kHz X103 1 760 158 11 VIBRATOR CERAMIC 1MHz A 3638 725 A CHASSIS ASSY Including MICRO COMPUTER BOARD and RF BOARD BAND PASS FILTER BPF1 1 234 333 11 BAND PASS FILTER CAPACITOR C1 1 162 911 11 CERAMIC CHIP 6PF 0 5PF 50V C3 1 162 911 11 CERAMIC CHIP 6PF 0 5PF 50V C4 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C5 1...

Page 19: ...L2 1 414 733 21 INDUCTOR 100nH L3 1 414 681 21 INDUCTOR 15nH L4 1 414 681 21 INDUCTOR 15nH L5 1 414 733 21 INDUCTOR 100nH L6 1 414 733 21 INDUCTOR 100nH L7 1 414 733 21 INDUCTOR 100nH L8 1 414 733 21 INDUCTOR 100nH L11 1 414 722 11 INDUCTOR 12nH L12 1 414 725 11 INDUCTOR 22nH L13 1 414 721 11 INDUCTOR 10nH L21 1 412 983 31 INDUCTOR 2 2uH L31 1 412 983 31 INDUCTOR 2 2uH L32 1 412 983 31 INDUCTOR 2 ...

Page 20: ... 11 METAL CHIP 2 2K 5 1 16W R92 1 216 813 11 METAL CHIP 220 5 1 16W R93 1 216 825 11 METAL CHIP 2 2K 5 1 16W R901 1 218 971 11 RES CHIP 33K 5 1 16W R902 1 218 933 11 RES CHIP 22 5 1 16W R903 1 218 961 11 RES CHIP 4 7K 5 1 16W R904 1 218 961 11 RES CHIP 4 7K 5 1 16W R905 1 218 943 11 RES CHIP 150 5 1 16W R906 1 218 975 11 RES CHIP 68K 5 1 16W VIBRATOR X1 1 760 893 11 VIBRATOR CRYSTAL 21 25MHz CRYST...

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