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Sony ICF-CD553RM Service Manual
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Sony ICF-CD553RM Service Manual

Sony ICF-CD553RM Service Manual

Tv/weather/fm/am cd kitchen clock radio
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SERVICE MANUAL
Ver. 1.2 2005.10
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION
With 6–ohm loads, both channels driven from 100 −
10 000 Hz; rated 1.4 W per channel-minimum RMS
power, with no more than 10 % total harmonic
distortion in AC operation.
CD player section
System: Compact disc digital audio system
Laser diode properties: Material: GaAlAs
Wavelength: 780 nm
Emission duration: Continuous
Laser output: Less than 44.6 µW
(This output is the value measured at a distance of
about 200 mm from the objective lens surface on
the optical pick-up block with 7 mm aperture.)
Frequency response: 20 − 20 000 Hz
Wow and flutter: Below measurable limit
Sony Corporation
9-877-568-03
2005J05-1
Personal Audio Group
C 2005.10
Published by Sony Engineering Corporation
ICF-CD553RM
SPECIFICATIONS
+1
dB
—1.5
TV/WEATHER/FM/AM CD KITCHEN CLOCK RADIO
Model Name Using Similar Mechanism
Optical Pick-up Block Name
Optical Pick-up Name
Radio section
Frequency range:
2 − 13 ch
TV:
WEATHER: 1 − 7 ch
87.5 − 108 MHz
FM:
530 − 1 710 kHz
AM:
General
Time display: 12-hour system
inches) dia, 6 Ω
Speaker: 77 mm (3
1
⁄
8
Power outputs:
1.8 W + 1.8 W (at 10% harmonic distortion)
Power requirements: 120 V AC, 60 Hz
Dimensions:
Approx. 400 × 84 × 323 mm (w/h/d)
× 3
× 12
3
3
3
(Approx. 15
⁄
⁄
⁄
inches) incl.
4
8
4
projecting parts and controls
Mass: Approx. 3 kg (7 lb)
Supplied accessories:
Mounting screws (4), Template (1),
Spacers (4), Remote commander (1)
Design and specifications are subject to change
without notice.
US Model
ZS-D10
KSM-900AAA
KSS-900A

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  • Page 1 Supplied accessories: Mounting screws (4), Template (1), Spacers (4), Remote commander (1) Design and specifications are subject to change without notice. TV/WEATHER/FM/AM CD KITCHEN CLOCK RADIO Sony Corporation 9-877-568-03 2005J05-1 Personal Audio Group C 2005.10 Published by Sony Engineering Corporation...
  • Page 2 LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- LISHED BY SONY.

  • Page 3: Table Of Contents

    ICF-CD553RM SECTION 1 SERVICING NOTES TABLE OF CONTENTS NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT SERVICING NOTES ..........The laser diode in the optical pick-up block may suffer electro- static break-down because of the potential difference generated GENERAL ..............

  • Page 4: General

    ICF-CD553RM SECTION 2 This section is extracted from instruction manual. GENERAL Features • Super Slim Interior Oriented Design Turn CLOCK • Voice Memo Function • MEGA Xpand function to get the effect of expansion of the sound field Push • TV/WEATHER/FM/AM Digital Tuner •...

  • Page 5: Disassembly

    ICF-CD553RM SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW 3-2. CD LID, CABINET (UPPER) (Page 5) 3-3. CD TRAY ASSY (Page 6) 3-4. CD TRAY (LOWER) (Page 6) 3-5. OPTICAL PICK-UP BLOCK (KSM-900AAA) (Page 7) 3-6.

  • Page 6: Cd Tray Assy

    ICF-CD553RM 3-3. CD TRAY ASSY 5 flexible flat (17 core) cable (CN403) 7 connector 6 flexible flat (16 core) cable (CN303) (CN410) 2 four BV tapping screws 7 two connectors (B3) (CN402, CN406) 3 Lift the TUNER board. 4 connector...

  • Page 7: Optical Pick-Up Block (Ksm-900Aaa)

    ICF-CD553RM 3-5. OPTICAL PICK-UP BLOCK (KSM-900AAA) 2 OP flexible board (CNP705) 1 connector 3 insulator (CNP706) 4 optical pick-up block (KSM-900AAA) 3 two insulators 3-6. OPTICAL PICK-UP (KSS-900A) 4 screw (B1.7 × 4) 5 rack spring (780C) 8 optical pick-up...

  • Page 8: Test Mode

    ICF-CD553RM SECTION 4 TEST MODE LCD TEST MODE Procedure: 1. Turn the power ON while pressing simultaneously three keys [VOLUME --] [REC/STOP] 2. The microprocessor version will be displayed on the LCD. 3. Press the key. The LCD display will become as follows.
  • Page 9 ICF-CD553RM CD TEST MODE Procedure: 1. Connect 120 kΩ and 47 kΩ resistors in parallel to the TP603 on the SIDE-KEY board, and short another end of resistors to the GND, and the CD TEST MODE will be activated. 2. Insert a CD disc.
  • Page 10 ICF-CD553RM CD-JUMP TEST MODE Procedure: 1. Connect the oscilloscope to TP (TE) and TP (VREF) on the CD board. Connecting Location: CD board (See page 13) 2. Connect 270 kΩ and 47 kΩ resistors in parallel to the end of...

  • Page 11: Electrical Adjustments

    ICF-CD553RM SECTION 5 ELECTRICAL ADJUSTMENTS 0 dB=1 µV AM IF ADJUSTMENT TUNER SECTION 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 1.0 ±...
  • Page 12 ICF-CD553RM Adjustment and Connecting Location: – TUNER BOARD (Component Side) – FM/TV/WEATHER IF Adjustment TV (7 – 13 CH)/ WEATHER (1 – 7 CH) VCO Voltage Adjustment AM IF Adjustment TV (7 – 13 CH)/ WEATHER (1 – 7 CH) FM/TV (2 –...

  • Page 13: Cd Section

    ICF-CD553RM CD SECTION Perform all CD section check in the test mode. FOCUS BIAS CHECK Procedure: 1. Connect the oscilloscope to TP (RF) and TP (VREF) on the CD board. 2. Set the CD TEST MODE. (Refer to CD TEST MODE (See page 9)) 3.

  • Page 14: Diagrams

    ICF-CD553RM SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM – CD Section – • R-ch is omitted due to same as L-ch. RF AMP, FOCUS/TRACKING SERVO, • SIGNAL PATH DIGITAL SIGNAL PROCESSOR, CLV SERVO, FIN2 DIGITAL FILTER, D/A CONVERTER : CD PLAY...

  • Page 15: Block Diagram - Tuner Section

    ICF-CD553RM 6-2. BLOCK DIAGRAM – TUNER Section – FM/TV/WEATHER FM/TV/WEATHER IF FM/AM RF AMP, MIX, OSC, FM/AM IF AMP, DET, MPX L-OUT TU LCH IF IN RF IN MIX OUT B.P.F. FM IF (Page 16) (Page 16) BPF1 RF AMP...

  • Page 16: Block Diagram - Main Section

    ICF-CD553RM 6-3. BLOCK DIAGRAM – MAIN Section – POWER AMP CD LCH IC301 (Page 14) CD LIN INPUT TU LCH R LIN SEL L V LIN L OUT L IN L OUT VOLUME SURROUND TONE FILTER AMP LINE AMP SP101...

  • Page 17: Note For Printed Wiring Boards And Schematic Diagrams

    ICF-CD553RM • Circuit Boards Location 6-4. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note on Printed Wiring Boards: Note on Schematic Diagram: • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. pF: µµF AMP board •...

  • Page 18: Printed Wiring Boards - Cd Section

    ICF-CD553RM PRINTED WIRING BOARDS – CD Section – • 6-5. :Uses unleaded solder. See page 17 for Circuit Boards Location. CD BOARD R707 Q701 RELAY BOARD C701 C702 R728 R729 R710 R709 R726 JC704 JW729 R732 JC703 R730 R713 JW732...

  • Page 19: Schematic Diagram - Cd Section

    ICF-CD553RM SCHEMATIC DIAGRAM – CD Section – • • 6-6. See page 28 for Waveforms. See page 28 for IC Block Diagrams. CNP706 CNP704 M701 (SLED) S701 (LIMIT) ON:WHEN THE OPTICAL PICK-UP IS INNER POSITION M702 (SPINDLE) CNP705 C726 1000p...

  • Page 20: Printed Wiring Board - Tuner Section

    ICF-CD553RM PRINTED WIRING BOARD – TUNER Section – • 6-7. :Uses unleaded solder. See page 17 for Circuit Boards Location. • Semiconductor Location Ref. No. Location TUNER BOARD B-10 B-10 (SHIELD CASE) (VT) TRANS BOARD (GND) (Page 26) (ANT) MAIN BOARD...

  • Page 21: Schematic Diagram - Tuner Section

    ICF-CD553RM SCHEMATIC DIAGRAM – TUNER Section – • • 6-8. See page 28 for Waveform. See page 28 for IC Block Diagrams. KV1520NT 220p AM OSC (GND) 100p AM FERRITE-ROD JW12 ANTENNA JW22 100k 3.3k JW23 KDS121 0.01 220k 0.047...

  • Page 22: Printed Wiring Board - Main Section

    ICF-CD553RM PRINTED WIRING BOARD – MAIN Board – • 6-9. :Uses unleaded solder. See page 17 for Circuit Boards Location. CD-OPEN TUNER BOARD CD BOARD BOARD CNP2 CNP702 (Page 18) (Page 20) (Page 18) MIC1 CN408 MAIN BOARD CN406 CN401...

  • Page 23: 6-10. Printed Wiring Boards - Panel Section

    ICF-CD553RM 6-10. PRINTED WIRING BOARDS – PANEL Section – • :Uses unleaded solder. See page 17 for Circuit Boards Location. MAIN BOARD CN410 LCD BOARD SIDE-KEY BOARD (Page 22) MAIN BOARD R655 TP603 CN403 (Page 22) IC651 R654 C653 CN405...

  • Page 24: Schematic Diagram - Main Section (1/2)

    ICF-CD553RM Ver. 1.1 6-11. SCHEMATIC DIAGRAM – MAIN Section (1/2) – • • See page 32 for IC Pin Function Description. See page 28 for Waveforms. LCD651 LIQUID CRYSTAL DISPLAY R651 D651 D652 TLFGE53T TLFGE53T R655 REMOTE CONTROL D651,652 RECEIVER...

  • Page 25: Schematic Diagram - Main Section (2/2)

    ICF-CD553RM 6-12. SCHEMATIC DIAGRAM – MAIN Section (2/2) – • • See page 28 for Waveform. See page 28 for IC Block Diagrams. (Page 24) (2/2) AMUTE C132 C133 R132 0.047 0.047 220k Q104 CD TRAY 2SC4081 OPEN/CLOSE FILTER AMP...

  • Page 26: 6-13. Printed Wiring Boards - Amp/Trans Boards

    ICF-CD553RM 6-13. PRINTED WIRING BOARDS – AMP/TRANS Boards – • See page 17 for Circuit Boards Location. :Uses unleaded solder. • Semiconductor Location Ref. No. Location AMP BOARD D101 D102 D201 D202 D901 C908 D902 C909 D903 JW612 D904 D905...

  • Page 27: 6-14. Schematic Diagram - Amp/Trans Boards

    ICF-CD553RM 6-14. SCHEMATIC DIAGRAM – AMP/TRANS Boards – • See page 28 for IC Block Diagram. POWER AMP IC301 BA5417 C119 C219 C114 R116 R117 C331 4.7k D101 R120 1SS355 Q103 C218 C118 C225 C125 2SD1757K 1000 1000 MUTING C112...
  • Page 28 ICF-CD553RM • Waveforms • IC Block Diagrams – CD Board – – MAIN Board – – CD Board – – TUNER Board – IC701 LC78646E-E 1 IC701 4 (RF) (CD play mode) qa IC2 w; (XOUT) wa IC401 ua (XT2)
  • Page 29 ICF-CD553RM IC702 BA5826FP-E2 SP– D.BUFF SL– D.BUFF LEVEL D.BUFF SHIFT D.BUFF SPIN LEVEL SHIFT SLIN THERMAL SHUT-DOWN MONITOR (SLIN) REG–B VREF REGO MUTE (FIN) DRIVER MUTE (TIN) LEVEL LEVEL SHIFT D.BUFF SHIFT D.BUFF F– T– D.BUFF D.BUFF OPOUT OPIN – TUNER Board –...
  • Page 30 ICF-CD553RM IC2 LC72137M-TLM XOUT REFERENCE DIVIDER AOUT PHASE 12BITS DETECTOR PROGRAMMABLE CHARGE DIVIDER PUMP UNLOCK DETECTOR POWER ON RESET SWALLOW COUNTER FMIN 1/16,1/17 4BITS UNIVERSAL COUNTER AMIN IFIN – MAIN Board – IC302 BD3870FS-E2...
  • Page 31 ICF-CD553RM IC303 MS87V1021-02TA SIGNAL TIMING LOW-PASS GROND CONTROLLER FILTER CONVERTER VOLUME ADPCM CONTROLLER ANALIZER/ LOW-PASS SYNTHESIZER FILTER CONVERTER MASKROM DARM 512K-bit 2M-bit INTERFACE IC304 BA6208 MOTOR SWITCH DRIVE MOTOR SWITCH DRIVE – AMP Board – IC301 BA5417 T.S.D. – –...
  • Page 32 ICF-CD553RM • IC Pin Function Description MAIN BOARD IC401 µPD789478GC-A28-8BT (SYSTEM CONTROLLER) Pin No. Pin Name Description 1, 2 — Not used 3 to 5 VLC2 to VLC0 — Terminal for doubler circuit capacitor connection to develop liquid crystal display drive voltage...
  • Page 33 ICF-CD553RM Pin No. Pin Name Description System reset signal input from the reset signal generator “L”: reset RESET For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H” A MUTE Audio muting on/off control signal output terminal “L”: muting on RADIO ON Power on/off control signal output for the radio section “L”: power on...

  • Page 34: Exploded Views

    ICF-CD553RM SECTION 7 EXPLODED VIEWS NOTE: • Items marked “*” are not stocked since they • -XX and -X mean standardized parts, so they The components identified by mark 0 or dotted line with mark may have some difference from the original are seldom required for routine service.

  • Page 35: Cabinet (Front) Section

    ICF-CD553RM 7-2. CABINET (FRONT) SECTION D652 LCD board D651 LCD651 D653 not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 51 A-4547-295-A LCD BOARD, COMPLETE X-2021-191-1 CABINET (FRONT) SUB ASSY (WHITE) 3-264-174-01 HOLDER (LCD)

  • Page 36: Cabinet (Lower) Section

    ICF-CD553RM Ver. 1.2 7-3. CABINET (LOWER) SECTION MAIN board section, CD tray assy section not supplied F901 SP101 T901 SP201 MIC1 The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified.

  • Page 37: Main Board Section

    ICF-CD553RM 7-4. MAIN BOARD SECTION not supplied M301 not supplied not supplied CD tray section Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-264-181-01 GEAR * 160 A-4547-305-A MAIN BOARD, COMPLETE 3-252-828-01 SCREW (B2.6), (+) PWH TAPPING...

  • Page 38: Cd Tray Assy Section

    ICF-CD553RM 7-5. CD TRAY ASSY SECTION optical pick-up section (KSM-900AAA) not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-253-143-01 SCREW (B2.6), (+) P TAPPING 3-264-175-01 TRAY (UPPER), CD 3-264-190-01 TRAY (LOWER), CD...

  • Page 39: Optical Pick-Up Section (Ksm-900Aaa)

    ICF-CD553RM 7-6. OPTICAL PICK-UP SECTION (KSM-900AAA) (including M701, M702) not supplied The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref. No.

  • Page 40: Electrical Parts List

    ICF-CD553RM SECTION 8 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark parts list may be different from the parts speci- are seldom required for routine service.
  • Page 41 ICF-CD553RM Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R223 1-216-813-11 METAL CHIP 1/10W C755 1-162-970-11 CERAMIC CHIP 0.01uF R224 1-216-817-11 METAL CHIP 1/10W R225 1-216-789-11 METAL CHIP 1/10W < CONNECTOR > R226 1-216-833-11 METAL CHIP...
  • Page 42 ICF-CD553RM CD-CLOSE CD-OPEN FRONT-KEY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R731 1-216-825-11 METAL CHIP 2.2K 1/10W R623 1-216-837-11 METAL CHIP 1/10W R732 1-216-813-11 METAL CHIP 1/10W R624 1-216-841-11 METAL CHIP 1/10W R625 1-216-837-11 METAL CHIP...
  • Page 43 ICF-CD553RM Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C671 1-162-927-11 CERAMIC CHIP 100PF C123 1-126-963-11 ELECT 4.7uF C672 1-162-927-11 CERAMIC CHIP 100PF C131 1-164-227-11 CERAMIC CHIP 0.022uF C673 1-162-927-11 CERAMIC CHIP 100PF...
  • Page 44 ICF-CD553RM MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C401 1-162-970-11 CERAMIC CHIP 0.01uF C402 1-135-834-11 CERAMIC CHIP 2.2uF 6.3V C968 1-162-970-11 CERAMIC CHIP 0.01uF C403 1-135-834-11 CERAMIC CHIP 2.2uF 6.3V C969 1-126-964-11 ELECT 10uF...
  • Page 45 ICF-CD553RM MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q304 8-729-028-83 TRANSISTOR DTA124EUA-T106 R241 1-216-833-11 METAL CHIP 1/10W R301 1-216-841-11 METAL CHIP 1/10W Q305 8-729-029-14 TRANSISTOR DTC144EUA-T106 Q308 8-729-905-35 TRANSISTOR 2SC4081-R R302 1-216-821-11 METAL CHIP...
  • Page 46 ICF-CD553RM MAIN MOTOR RELAY SIDE-KEY TRANS Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R437 1-216-821-11 METAL CHIP 1/10W R951 1-216-833-11 METAL CHIP 1/10W R438 1-216-821-11 METAL CHIP 1/10W R952 1-249-401-11 CARBON 1/4W R439 1-216-821-11 METAL CHIP...
  • Page 47 ICF-CD553RM TRANS TUNER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark L902 1-402-964-11 COIL, AIR-CORE 1-162-927-11 CERAMIC CHIP 100PF 1-162-964-11 CERAMIC CHIP 0.001uF ************************************************************ A-3683-339-A TUNER BOARD, COMPLETE 1-162-964-11 CERAMIC CHIP 0.001uF 1-162-974-11 CERAMIC CHIP 0.01uF...
  • Page 48 ICF-CD553RM TUNER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < IC > 1-216-827-11 METAL CHIP 3.3K 1/10W 1-216-841-11 METAL CHIP 1/10W 6-700-512-01 IC TA2149BN 1-216-849-11 METAL CHIP 220K 1/10W 8-759-483-40 IC LC72137M-TLM-E 1-216-817-11 METAL CHIP 1/10W <...
  • Page 49 ICF-CD553RM Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ACCESSORIES ************ 3-009-707-01 SPACER 3-011-879-01 SCREW (M5X80), +B (MOUNTING SCREW) 3-238-070-21 LID, BATTERY CASE (for RM-CD543A) 3-265-482-11 MANUAL, INSTRUCTION (ENGLISH) 3-265-573-01 CARD BOARD A-3013-992-A REMOTE CONTROL RM-CD543A/SC (SET)
  • Page 50 ICF-CD553RM 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 2004.02...

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