Related Manuals for Sony ICB-U655
Summary of Contents for Sony ICB-U655
- Page 1 All manuals and user guides at all-guides.com ICB-U655 SERVICE MANUAL US Model Ver 1.1 1999. 05 Photo: Yellow model SPECIFICATIONS FRS TWO-WAY RADIO MICROFILM...
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Page 2: Table Of Contents
All manuals and user guides at all-guides.com TABLE OF CONTENTS Flexible Circuit Board Repairing • Keep the temperature of the soldering iron around 270 ˚C dur- ing repairing. SERVICING NOTES ..........3 • Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). -
Page 3: Servicing Notes
Always perform the following treatment when the Cabinet was removed, or the Contact Board (ANT) Assembly was removed during repair. 1. Apply SONY Grease SGL-505 (7-662-010-04) to entire sur- face of Cabinet Rear Assembly marked with using a swab. (See Fig. A) 2. -
Page 4: General
All manuals and user guides at all-guides.com SECTION 2 This section is extracted from instruction manual. GENERAL – 4 –... - Page 5 All manuals and user guides at all-guides.com – 5 –...
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Page 6: Disassembly
All manuals and user guides at all-guides.com SECTION 3 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. CABINET (FRONT) ASSY 1 clip 4 special screw (2 × 8) 8 cabinet (front) assy 3 lid battery case 7 cover (guard) 6 two screws (1.7 ×... -
Page 7: Electrical Adjustments
All manuals and user guides at all-guides.com SECTION 4 ELECTRICAL ADJUSTMENTS Tone Modulation and Modulation Sensitivity 0 dBm=0.775 V Adjustments Carrier Frequency of each channel Setting: (Frequency intervals are 25 kHz at each channel, but the interval resistor network AF oscillator between 7ch and 8ch is 4.85 MHz) PTT switch ON: Transmit... - Page 8 All manuals and user guides at all-guides.com Squelch Adjustment Adjustment Location: Setting: Carrier frequency: 467.5625 MHz (8ch) – RF BOARD (Side A) – FM RF SSG RF board TP (ANT2) TP (GND) Procedure: 1. Turn the power ON, and set to 8ch. [MODE] 2.
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Page 9: Diagrams
All manuals and user guides at all-guides.com ICB-U655 SECTION 5 DIAGRAMS 5-1. BLOCK DIAGRAM 450kHz ANT1 (ANTENNA) 2nd MIX, 3rd IF AMP, DET CTCSS ENCODER/DECODER RV106 RV104 IC109 TONE 462MHz to 468MHz MODULATION 21.7MHz LOW PASS SWITCH B.P.F. 1st IF... - Page 10 All manuals and user guides at all-guides.com...
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Page 11: 5-3. Schematic Diagram
All manuals and user guides at all-guides.com ICB-U655 5-3. SCHEMATIC DIAGRAM • See page 19 for Waveforms. • See page 20 for IC Block Diagrams. – 15 – – 16 – – 17 – – 18 –... - Page 12 All manuals and user guides at all-guides.com • Waveforms • IC Block Diagrams 5-4. IC PIN FUNCTION DESCRIPTION – RF Board – – MICRO COMPUTER Board – – RF Board – – MICRO COMPUTER Board – • MICRO COMPUTER BOARD IC101 µPD753012AGC-F00-3B9 (SYSTEM CONTROLLER) IC1 µPC2757T-E3 IC2 TA31136FN IC102 NJM2070M...
- Page 13 All manuals and user guides at all-guides.com Pin No. Pin Name Description TONE DET Tone detection signal input from the CTCSS encoder/decoder (IC109) TEST Not used (open) V1-IN Battery detection signal input terminal V2-DET Voltage detection signal input terminal System reset signal input from the reset signal generator (IC104) “L”: reset RESET “L”...
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Page 14: Exploded Views
All manuals and user guides at all-guides.com SECTION 6 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they may have some difference from the original are seldom required for routine service. Some one. - Page 15 All manuals and user guides at all-guides.com Ver 1.1 1999. 05 (2) CHASSIS SECTION not supplied (RF board) LCD101 not supplied not supplied (MICRO COMPUTER board) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-907-107-01 PACKING (MIC) 3-037-796-01 CUSHION (CR T1) 3-939-940-01 CASE * 59...
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Page 16: Electrical Parts List
All manuals and user guides at all-guides.com Ver 1.1 1999. 05 SECTION 7 MICRO COMPUTER ELECTRICAL PARTS LIST NOTE: When indicating parts by reference • Due to standardization, replacements in the • Items marked “*” are not stocked since they number, please include the board. - Page 17 All manuals and user guides at all-guides.com MICRO COMPUTER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < IC > R105 1-216-841-11 METAL CHIP 1/16W IC101 8-759-589-60 IC uPD753012AGC-F00-3B9 R106 1-216-825-11 METAL CHIP 2.2K 1/16W IC102 8-759-046-84 IC NJM2070M R107 1-216-833-11 METAL CHIP...
- Page 18 All manuals and user guides at all-guides.com Ver 1.1 1999. 05 MICRO COMPUTER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R188 1-216-825-11 METAL CHIP 2.2K 1/16W X102 1-567-098-41 VIBRATOR, CRYSTAL (32.768kHz) R189 1-216-817-11 METAL CHIP 1/16W X103 1-760-158-11 VIBRATOR, CERAMIC (1MHz)
- Page 19 All manuals and user guides at all-guides.com Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-162-964-11 CERAMIC CHIP 0.001uF 1-414-733-21 INDUCTOR 100nH 1-162-911-11 CERAMIC CHIP 0.5PF 1-414-733-21 INDUCTOR 100nH 1-162-927-11 CERAMIC CHIP 100PF 1-414-733-21 INDUCTOR 100nH 1-162-964-11 CERAMIC CHIP 0.001uF 1-414-733-21 INDUCTOR...
- Page 20 All manuals and user guides at all-guides.com ICB-U655 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-216-799-11 METAL CHIP 1/16W 1-216-813-11 METAL CHIP 1/16W 1-216-843-11 METAL CHIP 1/16W 1-216-801-11 METAL CHIP 1/16W 1-216-805-11 METAL CHIP 1/16W...