Table of Contents
Advertisement
Quick Links
Download this manual
See also:
Operating Instructions
SERVICE MANUAL
Ver 1.0 2004.05
Time display: 12-hour system
Frequency range:
Band
Range
FM
87.5 - 108 MHz
AM
530 - 1 710 kHz
531 - 1 710 kHz
Speaker: Approx. 50 mm (2 inches) dia, 8
Power output: 80 mW (at 10% harmonic distortion)
Power requirements: 3V DC, two size AA (R6) batteries
Dimensions :
Approx. 166.8 × 70 × 95 mm (w/h/d) (6
projecting parts and control.
Mass: Approx. 281.4 g (9.93 oz) incl. batteries / excl. accessories
Supplied accessories:
Mount with wheel sensor (1), Thick/Thin rubber pads (2 each),
Wheel magnet (1), Zip ties (5), Double-sided tape (1), Screws (2)
Design and specifications are subject to change without notice.
Sony Corporation
9-877-839-01
Personal Audio Company
2004E05-1
Published by Sony Engineering Corporation
© 2004.05
SPECIFICATIONS
Channel step
0.1 MHz
10 kHz
9 kHz
× 2
× 3
5
7
3
⁄
⁄
⁄
inches) incl.
8
8
4
ICF-M88B
Battery Life (Approx. hours)
When using
Sony alkaline size AA (LR6)
Sony size AA (R6)
* Measured by JEITA (Japan Electronics and Information Technology Industries
Association) standards.
The actual battery life may vary depending on circumstances of use.
FM/AM PLL SYNTHESIZED RADIO
US Model
Canadian Model
(JEITA*)
FM
AM
66
84
23
31
Advertisement
Table of Contents
Related Manuals for Sony ICF-M88B
Summary of Contents for Sony ICF-M88B
- Page 1 Battery Life (Approx. hours) (JEITA*) Frequency range: When using Band Range Channel step Sony alkaline size AA (LR6) 87.5 - 108 MHz 0.1 MHz Sony size AA (R6) 530 - 1 710 kHz 10 kHz 531 - 1 710 kHz...
-
Page 2: Table Of Contents
ICF-M88B SECTION 1 SERVICING NOTES TABLE OF CONTENTS UNLEADED SOLDER Boards requiring use of unleaded solder are printed with the lead- free mark (LF) indicating the solder contains no lead. SERVICING NOTES ..........2 (Caution: Some printed circuit boards may not come printed with... -
Page 3: General
ICF-M88B SECTION 2 This section is extracted from instruction manual. GENERAL Location of Controls Setting the Clock FREEZE P RESET The clock time display of this unit is a 12-hour system. When the batteries are first installed, AM 12:00 flashes and CLOCK turns on km/h inch in the display. -
Page 4: Disassembly
ICF-M88B SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW 3-2. CABINET (LOWER) BLOCK (Page 4) 3-3. CHASSIS ASSY (Page 5) 3-4. MAIN BOARD (Page 5) Note: Follow the disassembly procedure in the numerical order given. -
Page 5: Chassis Assy
ICF-M88B 3-3. CHASSIS ASSY 1 Remove five solders. 4 screw 5 chassis assy 1 Remove two solders. 2 two hooks 3 button assy 3-4. MAIN BOARD 3 screw 4 MAIN board 1 Remove two solders. 1 Remove the solder. 2 hook... - Page 6 ICF-M88B POSITION OF LEAD WIRES two ditches boss DX/LOCAL board lead wire (battery terminal (+)) boss lead wire (gray) cabinet (lower) block lead wire (red) lead wire (black) lead wire (gray) lead wire (red) three ditches...
-
Page 7: Test Mode
ICF-M88B SECTION 4 TEST MODE EEPROM INITIALIZE MODE LCD display-3 Procedure: 1. Turn on the power to place the set in the standby state. 2. Press the [BAND/SET], [LIGHT] and [MODE/FREEZE] keys simultaneously for 5 seconds, or short the TP116 (KS0) and TP117 (KR3) on the key board. -
Page 8: Electrical Adjustments
ICF-M88B SECTION 5 ELECTRICAL ADJUSTMENTS 0 dB=1 µV AM IF ADJUSTMENT Adjust for a maximum reading on level meter [AM] 450 kHz Setting: Function: RADIO AM VCO VOLTAGE ADJUSTMENT BAND: AM Adjustment Part Frequency Display Reading on Digital Voltmeter 1.2 ± 0.1 V... - Page 9 ICF-M88B Adjustment Location: – MAIN BOARD (Component Side) – AM IF Adjustment FM Tracking Adjustment AM VCO Voltage Adjustment AM Tracking Adjustment ANT1 – MAIN BOARD (Conductor Side) – TP10 TP13 (RF GND) (FM IN) (GND) (VT) TP15 (AF GND)
-
Page 10: Diagrams
ICF-M88B SECTION 6 DIAGRAMS • Note for Printed Wiring Boards and Schematic Diagrams 6-1. PRINTED WIRING BOARDS – TUNER Section – :Uses unleaded solder. Note on Printed Wiring Boards: Note on Schematic Diagram: • X : parts extracted from the component side. -
Page 11: Schematic Diagram - Tuner Section
ICF-M88B 6-2. SCHEMATIC DIAGRAM – TUNER Section – • See page 14 for Waveform. • See page 14 for IC Block Diagrams. 100k (VT) ANT1 1000p FERRITE-ROD 0.01 1000p 100k HVU202A ANTENNA HVU202A 1000p 220p 1000p 220p SVC347 S301 FM SENS... -
Page 12: Printed Wiring Board - Panel/Power Supply Section
ICF-M88B 6-3. PRINTED WIRING BOARD – PANEL/POWER SUPPLY Section – : Uses unleaded solder. DRY BATTERY MAIN SIZE "AA" BOARD (IEC DESIGNATION R6) KEY BOARD (Page 10) 2PCS. 3V (COMPONENT SIDE) Q106 R188 Q104 Q107 B C E KEY BOARD... -
Page 13: Schematic Diagram - Panel/Power Supply Section
ICF-M88B • See page 14 for Waveforms. • See page 15 for IC Pin Function Description. 6-4. SCHEMATIC DIAGRAM – PANEL/POWER SUPPLY Section – Q103 2SA1576 LCD101 LED DRIVE LIQUID CRYSTAL DISPLAY R102 470k R187 R189 SENSOR R103 D105,106 470k... - Page 14 ICF-M88B • Waveforms • IC Block Diagrams – MAIN Board – – MAIN Board – – KEY Board – IC1 CXA1019M-T6 IC2 w; (X OUT) IC101 ua (XT2) 1.1 Vp-p 2.5 Vp-p FM FE 13.3 µ s 30.5 µ s DISCRIMINATOR 500 mV/DIV, 5 µ...
- Page 15 ICF-M88B • IC Pin Function Description KEY BOARD IC101 µPD789488GC-A35-8BT (SYSTEM CONTROLLER) Pin No. Pin Name Description 1, 2 CAPH, CAPL — Terminal for doubler circuit capacitor connection to develop liquid crystal display drive voltage 3 to 5 VLC2 to VLC0 —...
-
Page 16: Exploded Views
ICF-M88B SECTION 7 EXPLODED VIEWS NOTE: • Items marked “*” are not stocked since they • -XX and -X mean standardized parts, so they may have some difference from the original are seldom required for routine service. Some one. delay should be anticipated when ordering •... -
Page 17: Chassis Section
ICF-M88B 7-2. CHASSIS SECTION LCD101 KEY board ANT1 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-254-083-01 SCREW 2-055-147-01 SHIELD (DD), B 3-267-233-01 LEVER, JOG A-4547-686-A MAIN BOARD, COMPLETE 3-267-227-01 CHASSIS 2-176-535-01 SHEET (A), REFLECTION A-4547-690-A KEY BOARD, COMPLETE... -
Page 18: Cabinet (Lower) Section
ICF-M88B 7-3. CABINET (LOWER) SECTION not supplied (DX/LOCAL board) not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-4578-031-A CABINET (LOWER) ASSY 3-236-793-01 O RING (VOL) 3-267-238-01 CASE (LOWER), ANTENNA 3-267-235-01 KNOB (VOL) -
Page 19: Electrical Parts List
ICF-M88B SECTION 8 ELECTRICAL PARTS LIST DX/LOCAL NOTE: • Items marked “*” are not stocked since they • Due to standardization, replacements in the When indicating parts by reference number, please include the board. parts list may be different from the parts are seldom required for routine service. - Page 20 ICF-M88B MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R178 1-216-845-11 METAL CHIP 100K 1/10W < COIL > R179 1-216-845-11 METAL CHIP 100K 1/10W L101 1-412-995-21 INDUCTOR 22uH R180 1-216-825-11 METAL CHIP 2.2K 1/10W L104...
- Page 21 ICF-M88B MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-115-156-11 CERAMIC CHIP 1-456-788-11 COIL, AIR-CORE 1-412-959-11 INDUCTOR 47uH 1-115-156-11 CERAMIC CHIP 1-126-916-11 ELECT 1000uF 6.3V < TRANSISTOR > 1-162-970-11 CERAMIC CHIP 0.01uF 1-126-157-11 ELECT 10uF...
- Page 22 ICF-M88B Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ACCESSORIES *********** 2-025-136-01 + TAPPING SCREW P2.6X8 (for WHEEL MAGNET) 3-267-406-11 MANUAL, INSTRUCTION (ENGLISH) (US) 3-267-406-21 MANUAL, INSTRUCTION (ENGLISH, FRENCH) (Canadian) A-4578-036-A MAGNET ASSY (WHEEL MAGNET) A-4578-034-A BRACKET ASSY...
- Page 23 ICF-M88B MEMO...
- Page 24 ICF-M88B REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision...